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Potential for Severe Thunderstorms and Excessive Rainfall in the Central U.S. and Snow in the Northwest on Tuesday. Moisture from Tropical Storm Norma will aid in heavy rain potential across parts of Texas. A slight risk of excessive rainfall is forecast over the southern Plains on Tuesday and Wednesday. A few strong to severe thunderstorms ...

Www spc noaa. Oct 14, 2023 · NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. spc.feedback@noaa.gov

SPC Forecast Products Page. Mesoscale Discussion 2160  Previous MD: Mesoscale Discussion 2160 NWS Storm Prediction Center Norman OK 1245 PM CDT Sun Sep 17 2023 Areas affected...Southeast Georgia into southwest South Carolina Concerning...Severe potential...Watch unlikely Valid 171745Z - 171945Z Probability of Watch Issuance...20 …

SPC Sounding Analysis Page - 10/22/2023 00 UTC. Observed Radiosonde Data. 10/22/2023 00 UTC. Click on any blue star to display that sounding. Choose another date/time period. View Tabular Sounding Data. Click here for a description of this page. Contacts for this resource: John Hart and Rich Thompson.SPC Forecast Products Page. Mesoscale Discussion 114  Previous MD Next MD >: Mesoscale Discussion 0114 NWS Storm Prediction Center Norman OK 0118 PM CST Mon Jan 30 2023 Areas affected...parts of east central/northeastern Oklahoma into northwestern Arkansas and southwest Missouri Concerning...Winter mixed precipitation Valid 301918Z …The best places to view live satellite images of earth are the National Oceanic and Atmospheric Administration (NOAA)’s website and NASA’s website. NOAA’s website features images from live weather satellites, and NASA’s website offers a liv...A tornado is as a rotating, funnel-shaped cloud that extends from a thunderstorm to the ground with whirling winds that can reach 300 mph. [1] Damage paths of tornadoes can be in excess of one mile wide and 50 miles long. [2] Tornadoes can accompany tropical storms and hurricanes once on land.SPC Forecast Products Page. Mesoscale Discussion 2240  Previous MD Next MD >: Mesoscale Discussion 2240 NWS Storm Prediction Center Norman OK 0940 PM CDT Wed Oct 11 2023 Areas affected...Portions of the western Florida Peninsula Concerning...Severe potential...Watch possible Valid 120240Z - 120415Z Probability of Watch Issuance...40 …Day 2 Fire Weather Outlook. Risk. Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area. No Risk Areas Forecast. ZCZC SPCFWDDY2 ALL FNUS22 KWNS 221953 Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0253 PM CDT Sun Oct 22 2023 Valid 231200Z - 241200Z ...NO CRITICAL AREAS... No changes.US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Indianapolis, IN 6900 West Hanna Avenue Indianapolis, IN 46241-9526

AWC - Convection. This site is changing on October 16, 2023. Preview the new site at. SCN23-79: Upgrade of Aviation Weather Center Website. Convection. Conv Home.Jan 1, 2001 · Archived Data. The table below provides links to comma separated value (.csv) files for tornado, hail, and damaging wind data as compiled in Storm Data. Tornado reports exist back to 1950 while hail and damaging wind reports date from 1955. These files can be imported into any spreadsheet capable of handling .csv format. Latest weather radar images from the National Weather ServiceZCZC MIATWOAT ALL TTAA00 KNHC DDHHMM Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Mon Oct 23 2023 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Active Systems: The National Hurricane Center is issuing advisories on Hurricane Tammy, located a few hundred miles north of the northern Leeward Islands, and on newly formed Tropical Depression Twenty-One ...5. 200-234. 5. Over 200. *** IMPORTANT NOTE ABOUT ENHANCED F-SCALE WINDS: The Enhanced F-scale still is a set of wind estimates (not measurements) based on damage. Its uses three-second gusts estimated at the point of damage based on a judgment of 8 levels of damage to the 28 indicators listed below. These estimates vary with height and exposure.

All SPC Forecasts Current Watches Meso. Discussions Conv. Outlooks Tstm. Outlooks Fire Wx Outlooks RSS Feeds E-Mail Alerts Weather Information Storm Reports Storm Reports Dev. NWS Hazards Map National RADAR Product Archive NOAA Weather Radio Research Non-op. Products Forecast Tools Svr. Tstm. Events SPC Publications SPC-NSSL HWT Education ...The Storm Prediction Center (SPC) is part of the National Weather Service (NWS) and the National Centers for Environmental Prediction (NCEP). Our mission is to provide timely and accurate forecasts and watches for severe thunderstorms and tornadoes over the contiguous United States. The SPC also monitors hazardous winter weather and fire ...SPC Mesoscale Analysis. Deep Moist Convergence 925mb Temp Advection 850mb Temp Advection 700mb Temp Advection Sfc Frontogenesis 925mb Frontogenesis 850mb Frontogenesis 700mb Frontogenesis 1000-925mb Frontogenesis 925-850mb Frontogenesis 850-700mb Frontogenesis 700-500mb Frontogenesis 700-400mb Diff. Vorticity Advection 400-250mb Pot. Forecaster: Leitman. Issued: 22/0803Z. Valid: Wed 10/25 1200Z - Mon 10/30 1200Z. Note: A severe weather area depicted in the Day 4-8 period indicates a 15%, 30% or higher probability for severe thunderstorms (e.g. a 15%, 30% chance that a severe thunderstorm will occur within 25 miles of any point).NCEP: AWC · CPC · EMC · NCO · NHC · OPC · SPC · SWPC · WPC Home . Forecasts & Analyses Daily Weather Map ... NWS All NOAA. This is a prototype! Enter a start time …

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Most commonly, a survey team will conduct a full ground survey in order to assess tornado damage, but occasionally, a team may also conduct an aerial survey if the spatial extent of the damage is large enough. Image 1. Damage survey kit includes maps, camera, and a GPS. Depending on the survey team, the starting and ending point of the tornado ...SPC Forecast Products Page. Mesoscale Discussion 2002  Previous MD Next MD >: Mesoscale Discussion 2002 NWS Storm Prediction Center Norman OK 1025 PM CST Fri Dec 10 2021 Areas affected...much of Indiana Concerning...Tornado Watch 557...Valid 110425Z - 110600Z The severe weather threat for Tornado Watch 557 …Click on the NWS Warnings and Advisories Map above for more details. Weather Topics: Watches , Mesoscale Discussions , Outlooks , Fire Weather , All Products , Contact Us. NOAA / National Weather Service. National Centers for Environmental Prediction. Storm Prediction Center.SPC Forecast Products Page. Mesoscale Discussion 2143  Previous MD Next MD >: Mesoscale Discussion 2143 NWS Storm Prediction Center Norman OK 0710 AM CDT Wed Sep 13 2023 Areas affected...Southern New England Concerning...Severe potential...Watch unlikely Valid 131210Z - 131345Z Probability of Watch Issuance...5 percent …Jan 1, 2001 · Here is more information about the mesoscale analysis page and a detailed description of the parameter fields. These new mesoscale analysis pages, implemented during the Spring of 2010, incorporate the use of layered transparent images and a javascript display system. They have been thoroughly tested for compatibility with modern web browsers.

Severe Weather for the Plains; Record Warmth for the Great Lakes and Northeast. Thunderstorms, associated with large hail, wind damage, a few tornadoes alongside the …The summaries cover assessment topics directly related to NOAA’s mission, specifically historical climate variations and trends, future climate model projections of climate conditions during the 21st century, and past and future conditions of sea level and coastal flooding.Potential for Severe Thunderstorms and Excessive Rainfall in the Central U.S. and Snow in the Northwest on Tuesday. Moisture from Tropical Storm Norma will aid in heavy rain potential across parts of Texas. A slight risk of excessive rainfall is forecast over the southern Plains on Tuesday and Wednesday. A few strong to severe thunderstorms ...SPC Storm Reports Page. Yesterday's Storm Reports (20231018 1200 UTC - 20231019 1159 UTC) (Print Version) 231017 Reports 231019 Reports >1. Reports for each day are put onto a grid 80 km x 80 km. 2. If one or more reports occur in a grid box, that box is assigned the value "1" for the day. If no reports occur, it's a zero. 3. The raw frequency for each day at each grid location is found for the period (number of "1" values divided by number of years) to get a raw annual cycle.Mesoscale Discussion 2158  Previous MD Next MD >: Mesoscale Discussion 2158 NWS Storm Prediction Center Norman OK 0230 PM CDT Sat Sep 16 2023 Areas affected...Far southeast Nebraska...Northeast Kansas...portions of western Missouri Concerning...Severe potential...Watch unlikely Valid 161930Z - 162130Z Probability of …SPCS83 (Version 2.1) Converts NAD 83 State Plane Coordinates to NAD 83 geographic positions (latitudes and longitudes) and vice versa. All input and output linear units are in meters. The NAD 83 realization used for SPCS zones depends on the tectonic plate where it is located: North America and Caribbean plates: NAD 83 (2011)NCEP : AWC · CPC · EMC · NCO · NHC · OPC · SPC · SWPC · WPC. Home. Forecasts & Analyses . Daily Weather Map. Day ½–2½. Day 3–7 CONUS. Day 3–7 Hazards. Day 4–8 Alaska. Excessive Rainfall.All SPC Forecasts Current Watches Meso. Discussions Conv. Outlooks Tstm. Outlooks Fire Wx Outlooks RSS Feeds E-Mail Alerts Weather Information Storm Reports Storm Reports Dev. NWS Hazards Map National RADAR Product Archive NOAA Weather Radio Research Non-op. Products Forecast Tools Svr. Tstm. Events SPC Publications SPC-NSSL HWT Education ...

Current Day 4-8 Outlook. Forecaster: Gleason. Issued: 11/0802Z. Valid: Sat 10/14 1200Z - Thu 10/19 1200Z. Note: A severe weather area depicted in the Day 4-8 period indicates a 15%, 30% or higher probability for severe thunderstorms (e.g. a 15%, 30% chance that a severe thunderstorm will occur within 25 miles of any point).

NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected] earthquake with a magnitude of 6.7 struck the southern California city of Northridge in 1994. The quake killed 57 people, injured more than 9,000, and displaced over 20,000. It caused an estimated $20 billion in property losses and infrastructure damages. It is considered the costliest earthquake in U.S. history.Subject: NOAA - Storm Prediction Center FAQs Attachments: NOAA 2020 Storm Prediction Cntr FAQ.pdf . Storm Prediction Center Frequently Asked Questions (FAQ) ... The Storm …In the world of entertainment, it’s not uncommon for fans to seek out websites related to their favorite TV shows or movies. One such website that has gained significant attention is www.icarly.com.Jun 17, 2022 · Enh. Fujita Page. We present a video lecture series on severe thunderstorm forecasting, a collaboration between the NOAA Storm Prediction Center, The University of Oklahoma, the NOAA National Severe Storms Laboratory, and the NOAA Warning Decision Training Division. This is based on a three-semester-hour graduate-level course offered at The ... SPC SSCRAM+HRRR. SSCRAM+HRRR Severe Weather Guidance. Four-hour probability of severe storms, based on RAP/HRRR forecast and SSCRAM Technique. 12z. F001. 13z. F002. 14z. F003.SPC Convective Outlooks. Jeremy Grams and Bill Bunting, Storm Prediction Center. Days 1, 2, and 3. Overview: Convective outlooks for days 1, 2, and 3 consist of categorical and probabilistic graphics that depict severe and general thunderstorm threats across the continental United States, along with a text narrative.Space Weather Prediction Testbed Website Goes Live! published: Wednesday, June 21, 2023 21:32 UTC. The Space Weather Prediction Center (SWPC) is pleased to announce …A tornado is as a rotating, funnel-shaped cloud that extends from a thunderstorm to the ground with whirling winds that can reach 300 mph. [1] Damage paths of tornadoes can be in excess of one mile wide and 50 miles long. [2] Tornadoes can accompany tropical storms and hurricanes once on land.

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The best places to view live satellite images of earth are the National Oceanic and Atmospheric Administration (NOAA)’s website and NASA’s website. NOAA’s website features images from live weather satellites, and NASA’s website offers a liv...SPC Forecast Products Page. Mesoscale Discussion 2089  Previous MD Next MD >: Mesoscale Discussion 2089 NWS Storm Prediction Center Norman OK 0809 PM CDT Tue Sep 05 2023 Areas affected...Far southeastern Minnesota...portions of western Wisconsin Concerning...Severe Thunderstorm Watch 669...Valid 060109Z - 060245Z The severe …Products and Data. SWPC provides numerous tools, graphics and datasets to help both the casual user and research scientists understand and make use of the vast array of space weather information. Forecasts of several types are available to give warning of upcoming space activity, and models provide longer term outlooks for future events.SPC PRODUCTS. All Forecasts; Severe Thunderstorm/Tornado Watches; Mesoscale Discussions; Convective Outlooks; Thunderstorm Outlook; Fire Weather Outlooks; ... NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, ...NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected]. Reports for each day are put onto a grid 80 km x 80 km. 2. If one or more reports occur in a grid box, that box is assigned the value "1" for the day. If no reports occur, it's a zero. 3. The raw frequency for each day at each grid location is found for the period (number of "1" values divided by number of years) to get a raw annual cycle.NOAA National Weather Service Memphis, TN. Mostly cloudy and dry tonight with lows in the middle 50s to middle 60s.SPC Forecast Products Page. Mesoscale Discussion 1173  Previous MD Next MD >: Mesoscale Discussion 1173 NWS Storm Prediction Center Norman OK 0737 AM CDT Tue Jun 20 2023 Areas affected...northeast Texas into northwest Louisiana Concerning...Severe potential...Watch unlikely Valid 201237Z - 201530Z Probability of …SPC PRODUCTS. All Forecasts; Severe Thunderstorm/Tornado Watches; Mesoscale Discussions; Convective Outlooks; Thunderstorm Outlook; Fire Weather Outlooks; ... NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, ... ….

US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Indianapolis, IN 6900 West Hanna Avenue Indianapolis, IN 46241-9526Mesoscale Discussion 2158  Previous MD Next MD >: Mesoscale Discussion 2158 NWS Storm Prediction Center Norman OK 0230 PM CDT Sat Sep 16 2023 Areas affected...Far southeast Nebraska...Northeast Kansas...portions of western Missouri Concerning...Severe potential...Watch unlikely Valid 161930Z - 162130Z Probability of …U.S. Tornado Environment Browser (2003-2011) Click on map to display data. Schneider, R.S. and A.R. Dean, 2008: A Comprehensive 5-year Severe Storm Environment Climatology for the Continental United States. , Preprints, 24th Conf. Severe Local Storms, Savannah, GA.No Risk Areas Forecast. ZCZC SPCFWDDY1 ALL FNUS21 KWNS 171642 Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1142 AM CDT Tue Oct 17 2023 Valid 171700Z - 181200Z ...NO CRITICAL AREAS... Windy conditions have developed across central Montana with relative humidity around 30 percent. Additional heating may allow relative humidity ...Official records of NOAA climate and product data should be obtained from the National Climatic Data Center. Archived Convective Outlooks. To view convective outlooks for a previous day, type in the date you wish to retrieve (e.g. 20140503 for May 3, 2014). Data available since January 23, 2003 . Enter the date range for previous convective ...Central Pacific Hurricane Center 2525 Correa Rd Suite 250 Honolulu, HI 96822 [email protected] Sounding Analysis Page - 10/22/2023 00 UTC. Observed Radiosonde Data. 10/22/2023 00 UTC. Click on any blue star to display that sounding. Choose …NOAA National Weather Service Austin/San Antonio, TX. Although scattered, mainly light rain is forecast in some areas Monday and Tuesday, we're watching for the potential for storms and heavier rains Wednesday and Wednesday night.SPC Products All SPC Forecasts Current Watches Meso. Discussions Conv. Outlooks Tstm. Outlooks Fire Wx Outlooks RSS Feeds E-Mail Alerts Weather Information Storm Reports Storm Reports Dev. NWS Hazards Map National RADAR Product Archive NOAA Weather Radio Research Non-op. Products Forecast Tools Svr. Tstm. Events SPC Publications …Jun 28, 2023 · 1. Reports for each day are put onto a grid 80 km x 80 km. 2. If one or more reports occur in a grid box, that box is assigned the value "1" for the day. If no reports occur, it's a zero. 3. The raw frequency for each day at each grid location is found for the period (number of "1" values divided by number of years) to get a raw annual cycle. Www spc noaa, The NWS Radar site displays the radar on a map along with forecast and alerts. The radar products are also available as OGC compliant services to use in your application. Enhanced Radar. Support. Review the Radar FAQ for help with the transition to the new site. Contact the helpdesk for operational issues., For HRRR online training, go to the NWS SOO Science and Training Resource Center. You can browse forecast hours and model runs by using the keyboard "arrow" keys. Left and right will change forecast hour, while up and down will change model run times. This webpage is NOT supported 24x7. Please use with caution., The Social Security Administration (SSA) is a federal agency that provides financial assistance to millions of Americans, including veterans and their families. Social security benefits can be an important source of financial support for ve..., NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected], The NOAA Satellite and Information Service provides timely access to global environmental data from satellites and other sources to monitor and understand our dynamic Earth. We manage the Nation's operational environmental satellites and deliver data and information services such as Earth system monitoring and official assessments …, NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected], 5:00 PM EDT Mon Oct 23 Location: 11.6°N 83.5°W Moving: W at 5 mph Min pressure: 1007 mb Max sustained: 30 mph Public Advisory #1 500 PM EDT: Aviso Publico* #1 500 PM EDT: Forecast Advisory #1, SPC Storm Reports Page. Yesterday's Storm Reports (20231018 1200 UTC - 20231019 1159 UTC) (Print Version) 231017 Reports 231019 Reports >, NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected], SPC Day3-8 Fire Otlk Back Home. Day 2 Fire Outlook. Categorical D3-8 D3 D4 D5 D6 D7 D8. ... For complete SPC content, please go to our full web page at: ... , NCEP: AWC · CPC · EMC · NCO · NHC · OPC · SPC · SWPC · WPC Home . Forecasts & Analyses Daily Weather Map ... NWS All NOAA. This is a prototype! Enter a start time …, Observed Sounding Archive. This page shows current and recent observed radiosonde data in skew-t format. An archive of seven days of data will always be available. The images are created using a sounding analysis program called NSHARP. Sounding data will flow to this site as early as HH:30 after the hour, and will also re-run old hours to fill ... , Observed Sounding Archive. This page shows current and recent observed radiosonde data in skew-t format. An archive of seven days of data will always be available. The images are created using a sounding analysis program called NSHARP. Sounding data will flow to this site as early as HH:30 after the hour, and will also re-run old hours to fill ..., SPC Forecast Products Page. Mesoscale Discussion 2240  Previous MD Next MD >: Mesoscale Discussion 2240 NWS Storm Prediction Center Norman OK 0940 PM CDT Wed Oct 11 2023 Areas affected...Portions of the western Florida Peninsula Concerning...Severe potential...Watch possible Valid 120240Z - 120415Z Probability of Watch Issuance...40 …, NOAA National Weather Service Austin/San Antonio, TX. Although scattered, mainly light rain is forecast in some areas Monday and Tuesday, we're watching for the potential for storms and heavier rains Wednesday and Wednesday night., U.S. Winter Outlook: Wetter South, warmer North. Drought improvement likely across the Southeast, Gulf Coast and Texas amid ongoing El Nino., Contact Us. SPC Feedback. Current Mesoscale Discussions. Updated: Fri Oct 20 06:35:03 UTC 2023. No Mesoscale Discussions are currently in effect. Most recently issued Mesoscale Discussion #2253. Notice: The responsibility for Heavy Rain Mesoscale Discussions has been transferred to the Weather Prediction Center (WPC) on April 9, 2013., NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected], Day 1 Convective Outlook: Outlines areas where thunderstorms are forecast during the Day 1 period. First issuance is 0600Z and is the initial Day 1 outlook valid 1200Z that day until 1200Z the following day. The other issuances are 1300Z, 1630Z, 2000Z, and 0100Z, all valid until 1200Z the next day. Outlooks issue qualifiers for the level of ..., SPC Mesoscale Analysis. Deep Moist Convergence 925mb Temp Advection 850mb Temp Advection 700mb Temp Advection Sfc Frontogenesis 925mb Frontogenesis 850mb Frontogenesis 700mb Frontogenesis 1000-925mb Frontogenesis 925-850mb Frontogenesis 850-700mb Frontogenesis 700-500mb Frontogenesis 700-400mb Diff. Vorticity Advection 400-250mb Pot. , NOAA / National Weather Service National Centers for Environmental Prediction Storm Prediction Center 120 David L. Boren Blvd. Norman, OK 73072 U.S.A. [email protected] , SPC: SWPC: WPC : Climate News. CPC Key Messages (Issued 23 Oct 2023) - Much below normal temperatures expanding south across the Great Plains; ... NOAA/ National Weather Service NOAA Center for Weather and Climate Prediction Climate Prediction Center 5830 University Research Court College Park, Maryland 20740, The Thunderstorm Outlooks depict the probability of thunderstorm across the contiguous United States in 4 or 8 hour time periods. The probabilistic forecast directly expresses the best estimate of a thunderstorm occurring within 12 miles of a point. The three probabilistic forecast thresholds are: 10, 40, and 70 percent., When a tornado watch is issued, think about the drill and check to make sure all your safety supplies are handy. Turn on local TV, radio or NOAA Weather Radio and stay alert for warnings. Forget about the old notion of opening windows to equalize pressure; the tornado will blast open the windows for you! , All SPC Forecasts Current Watches Meso. Discussions Conv. Outlooks Tstm. Outlooks Fire Wx Outlooks RSS Feeds E-Mail Alerts Weather Information Storm Reports Storm Reports Dev. NWS Hazards Map National RADAR Product Archive NOAA Weather Radio Research Non-op. Products Forecast Tools Svr. Tstm. Events SPC Publications SPC-NSSL HWT Education ... , Current Hazards, thunderstorms, outlooks. SPC Activity Chart. Showing a 1 hour radar loop, the current Day 1 convective outlook, and all active watches., US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Indianapolis, IN 6900 West Hanna Avenue Indianapolis, IN 46241-9526, Learn about the formation and classification of convective storms in this poster by Steve Corfidi, a meteorologist at the Storm Prediction Center. Download the PowerPoint file and explore the fascinating world of thunderstorms, tornadoes, and hail., As with most other paid apps, interested users can also download the latest Adobe Photoshop version and use it for free for a limited time. To download and sample the latest Photoshop version, visit the Adobe website by typing www.adobe.com..., If you are in the market to buy or sell a home, having access to accurate and up-to-date information about home values is essential. Start by visiting the official website of Zillow at www.zillow.com., The Storm Prediction Center (SPC) is part of the National Weather Service (NWS) and the National Centers for Environmental Prediction (NCEP). Our mission is to provide timely and accurate forecasts and watches for severe thunderstorms and tornadoes over the contiguous United States. The SPC also monitors hazardous winter weather and fire ..., Updated: (1 September 2023) SPC is now recreating the UA maps one hour later since Mexican UA data sometimes arrives late. The UA maps are generated at 0101, 0201, 1301, and 1401 UTC (i.e. during Central Daylight Time this is 8:01 pm, 9:01 pm, 8:01 am, and 9:01 am). , SPC Oct 18, 2023 0600Z Thunderstorm Outlook. Wed Oct 18 04:37:03 UTC 2023. 12Z-16Z. 16Z-20Z.