Day 1 Areal Outline

Issued: 2026-08-28 01:10 UTC

Summary

There is a slight risk of tornadoes, hail, and damaging winds across parts of the central and eastern United States, as well as marginal risks for severe thunderstorms in various regions, throughout the day on August 28, 2026.

Product Text

000 WUUS01 KWNS 280110 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0809 PM CDT THU AUG 27 2026 VALID TIME 280100Z - 281200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 39977777 41097674 41367581 41487550 42057425 42277367 41917332 41707343 41017481 40287556 39467581 38997578 39387767 39977777 0.02 41480174 41790107 41880050 41850022 41659994 41239964 40719967 40620108 40800152 41180165 41480174 && ... HAIL ... 0.05 39717406 37847729 38387864 40807813 41817675 42237507 41657332 40627334 39717406 0.05 44750314 44180071 42699878 40749810 38229856 37729997 38130113 40120198 42900367 44160424 44420429 44750314 0.15 39740114 41030209 41560241 42280140 42280015 41809974 41099959 40529956 39849955 39510044 39740114 CIG1 40190187 41320258 41550265 42350139 42320018 41779948 40819913 40099902 39709990 39550051 39690111 40190187 && ... WIND ... 0.05 39107399 37887663 36717812 35238071 34698210 34738322 35888403 36698331 37948194 39468029 40488024 41437796 42947478 42677296 41897274 40997311 39187339 0.05 49620871 48660822 47030770 45400757 45020794 44850870 45010987 44921109 44501248 44661318 45381382 47491373 49511247 0.05 37980121 39150201 40540290 42920380 44160433 44210422 44640299 44170066 43690013 42679885 40759814 38229849 37379888 37179997 37520088 37980121 0.05 28760099 29469863 29479709 29259634 28889644 28399660 28439723 28409961 28200073 0.15 46721221 47271242 48081272 48551243 48701187 48601100 48281029 48081007 47700986 47440984 47040984 46600993 46241032 46111094 46231183 46721221 0.15 41670237 41990185 42160127 42200013 41919964 41059925 39759896 39209965 39060079 39770125 40610174 41060213 41490248 41670237 0.15 38577766 39917778 41137684 41427571 41347516 39807563 38807649 38527663 38577766 CIG1 47860880 47110865 46420865 45780888 45340939 45211024 45371105 45471168 45851204 46501235 46951246 47971284 48691307 49171270 49231239 49361046 49080964 48730923 47860880 CIG1 39530132 40290207 41480276 41580257 42260137 42250009 41919955 41269915 40549901 39679873 38969959 38870079 39530132 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 41137684 41427571 41347516 39807563 38807649 38527663 38577766 39917778 41137684 SLGT 41670237 42280140 42280015 41919964 41059925 39759896 39209965 39060079 40340158 41490248 41670237 SLGT 48551243 48701187 48601100 48281029 48081007 47700986 47040984 46600993 46241032 46111094 46231183 46721221 48081272 48551243 MRGL 44200425 44420429 44750314 44170066 42699878 40749810 38229849 37379888 37179997 37520088 40540290 44160433 44200425 MRGL 49500865 48660822 47030770 45400757 45020794 44850870 45010987 44921109 44501248 44661318 45381382 47491373 49511247 MRGL 28760099 29469863 29479709 29259634 28399660 28409961 28200072 MRGL 39107399 37887663 36717812 35238071 34698210 34738322 35888403 36698331 39468029 40488024 41437796 42947478 42677296 41897274 40997311 39997326 TSTM 49710343 48530346 46790309 45820229 45340057 45219916 44709783 43179671 40959585 39349590 38139739 36619845 36059970 35530024 34269894 32439649 31659413 30899200 30749057 31019007 31758908 32208881 32758908 33588962 33879028 34169204 34979380 35749307 35819120 36668643 38678303 40788136 43497628 46187287 99999999 31711336 33051393 34581461 35441537 36421596 37561646 38511670 39831684 41551648 44051563 46161493 47591449 48311483 48881550 49411617 49751681 99999999 32131679 33231713 34321755 34761754 35041720 34931676 33301531 31901457 99999999 27659671 27700020 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 10 SSE IPT 0 - AVP 30 SW MSV 10 NNW ILG 30 SSE BWI 20 NW NHK 40 WSW DCA 15 NNW HGR 10 SSE IPT THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 SE AIA 25 NW MHN 20 SSW ANW 35 N BBW 25 NNW EAR 60 N RSL 15 SE HLC 55 ESE GLD 15 S IML 35 NE SNY 35 SE AIA THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 0 - CTB 25 ENE CTB 80 NNE GTF 30 SW HVR 35 SSW HVR 50 NNW LWT 15 W LWT 15 NNW 3HT 25 WSW 3HT 25 NNE BZN 25 SSE HLN 15 NW HLN 40 SSW CTB 0 - CTB THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 60 W RAP 60 E GCC 50 N RAP 25 SW PIR 15 NNW ONL 20 SE GRI 35 WNW HUT 15 WNW P28 40 S DDC 30 SSW GCK 30 NE AKO 60 ESE GCC 60 W RAP THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 85 NE HVR 70 E HVR 95 NNE BIL 50 NNW SHR 60 SSE BIL 30 NE COD 55 SSE LVM 15 N WEY 10 WSW MQM 45 SE SMN 20 N SMN 45 NNE MSO 60 N CTB THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40 S DRT 10 WSW SAT 45 NNW VCT 35 N PSX 30 SW PSX 25 W COT 80 S DRT THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40 SE ACY 30 SSW NHK 0 - AVC 15 E CLT 15 SSE GSP 35 WNW AND 0 - TYS 60 S JKL 25 WSW MGW 0 - PIT 40 N UNV 35 ESE UCA 25 NE PSF 0 - BDL 10 S BDR 55 S ISP GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 105 N ISN 25 NNE ISN 15 W DIK 10 SW Y22 15 SSW MBG 40 WSW ABR 30 NE HON 30 S FSD 25 S OMA 25 NW TOP 35 N ICT 15 SE AVK 15 SSE GAG 60 SSW GAG 35 SE LTS 30 N CRS 45 NE LFK 40 SSE ESF 30 S MCB 25 ESE MCB 25 NE PIB 10 SSW MEI 35 NNW MEI 25 ENE GWO 30 NNW GWO 0 - PBF 40 SE FSM 35 N RUE 25 SW ARG 20 S BWG 35 NW HTS 10 SSE CAK 25 NNW SYR 95 NNW EFK ...CONT... 95 SSW GBN 50 NE YUM 15 S EED 45 SSW LAS 15 S DRA 50 SE TPH 35 NE TPH 30 NE U31 30 SSW OWY 45 NE BOI 30 E P69 50 SSW GPI 25 W GPI 90 N 3TH 130 NNW 3TH 150 NNE GEG ...CONT... 40 SSW CZZ 35 N SAN 25 NNW RAL 25 ESE EDW 25 WNW DAG 0 - DAG 35 NNE IPL 50 S YUM ...CONT... 50 E CRP 45 WNW LRD