Day 1 Areal Outline

Issued: 2026-08-25 12:42 UTC

Summary

Severe thunderstorms capable of producing tornadoes, large hail, and damaging winds are expected across much of the central and eastern United States and parts of Canada through August 26. Risks range from marginal to slight for several regions, including the Great Plains, Midwest, and Gulf Coast areas.

Product Text

000 WUUS01 KWNS 251242 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0740 AM CDT TUE AUG 25 2026 VALID TIME 251300Z - 261200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 48689090 47299090 46029005 44649095 44269155 44359241 44949293 46209306 47449329 49029393 && ... HAIL ... 0.05 48708965 45898912 44638968 43829071 43529152 43559359 44229428 45529470 49859491 0.05 40699556 39859577 38139764 37539855 36799981 36220005 35130012 34450020 34160105 34310227 34500322 35210415 35970475 36970486 38830492 41000496 42010483 42570430 42690332 42370198 42379988 42079766 41649598 40699556 0.15 41800156 41570047 41339940 40899894 40329880 39899908 39609944 39490061 39920172 40480219 41110226 41800156 0.15 48699092 48209114 47559123 46909090 46289096 45499122 44919150 44879256 45259307 45819334 47759328 49079350 && ... WIND ... 0.05 32767994 32298024 31628096 31118137 30348137 29778122 29278090 29168130 29818198 29948262 29878331 30208662 30158757 30328793 30928800 31268794 31408761 31668642 32118410 32788223 33078039 32767994 0.05 39179519 37889629 35499864 34199867 33259941 33240043 33540294 34180388 35970480 36910492 38350493 40990497 42000484 42580431 42680332 42370197 42390002 42079766 41639597 40659509 40059502 39179519 0.05 48529000 47258970 46388973 45338991 44209069 43549173 43559355 44269432 45539471 49869490 0.15 39659721 37989779 36679929 35769995 34470019 34210101 34450248 34820342 35540377 36380371 37250322 40990241 41450192 41349943 40949809 40639750 39659721 0.15 48609108 47609124 46889090 46329096 45849124 45419178 45339238 45499319 45839333 47709328 49069351 CIG1 40000387 41420321 41880246 42010130 41800023 41209815 40669730 39559711 37659774 36189902 34269904 33639915 33259949 33270042 33440161 33950295 34640375 35820412 38360399 40000387 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 36380371 37250322 40990241 41800156 41349943 40949809 40639750 39659721 37989779 36679929 35769995 34470019 34210101 34450248 34820342 35540377 36380371 SLGT 48699092 48209114 47579123 46909090 46289096 45499122 44919150 44879256 45259307 45819334 47719328 49069351 MRGL 31268794 31408761 32118410 32788223 33078039 32767994 32298024 31628096 31118137 30348137 29778122 29278090 29168130 29818198 29948262 29878331 30208662 30158757 30328793 30928800 31268794 MRGL 42000484 42580431 42690332 42370197 42390002 42079766 41649598 40659509 40059502 39179519 37889629 35499864 34199867 33259941 33240043 33540294 34180388 35970480 36910492 40990497 42000484 MRGL 48528962 45898912 44638968 43829071 43529152 43559359 44269432 45539471 49859491 TSTM 44496663 44206828 44216934 44517062 44957157 45477248 99999999 32441787 33711753 35671637 36851622 39561616 42101661 44171706 44661768 44671880 44881903 45341915 46031845 46621700 47111519 47231379 47091160 46230859 46000780 45110477 44470133 44160011 44019902 44189768 44719652 45629579 46309567 47019633 47489749 48049898 49400103 99999999 28989448 29519455 30069453 30889402 31639386 32189405 32489443 32599521 32659708 32300110 32240467 32350680 32580826 32590930 32370986 32030995 31590983 31180968 30970960 99999999 45898255 42268518 40858588 40168687 39728815 39468871 39098894 38628900 37998908 36888885 35238789 33798756 33368722 33198693 33118646 33328529 33938188 34867837 35757481 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30 W CAO 35 W SPD 30 ESE SNY 30 SW MHN 10 ESE BBW 10 E GRI 40 WSW LNK 25 ENE CNK 10 SE HUT 35 NE GAG 40 SSW GAG 0 - CDS 40 E PVW 45 WNW PVW 25 SSE TCC 25 NNW TCC 30 W CAO THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 70 NNW GNA 40 ENE ELO 25 NNE BFW 25 N ASX 20 S ASX 45 NNE EAU 0 - EAU 30 E MSP 25 NNE MSP 40 ENE STC 30 NW HIB 35 N INL THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 45 NNE MOB 35 W GZH 40 N ABY 40 NNE VDI 25 WNW CHS 10 SSE CHS 45 SSW CHS 40 SSE SAV 0 - SSI 20 ESE JAX 15 SSE SGJ 10 NE DAB 15 W DAB 20 ENE GNV 30 NW GNV 20 NW CTY 40 S CEW 30 SW PNS 30 SE MOB 20 NE MOB 45 NNE MOB THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 W TOR 35 NNW TOR 15 SW CDR 50 ENE AIA 15 S ANW 15 WNW OFK 15 SE TQE 20 ESE SDA 20 NNW STJ 20 SW FLV 30 S EMP 35 ENE CSM 20 NNW SPS 60 NNE ABI 70 NW ABI 60 NNE HOB 35 WSW CVS 30 NE LVS 25 WNW RTN 15 SW CYS 35 W TOR THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 65 NNE GNA 25 NE RHI 10 S CWA 25 WSW VOK 30 SSW LSE 30 NNW MCW 20 W MKT 30 W STC 65 NNE RRT GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 SSE EPM 20 SSE BHB 25 ESE AUG 30 ESE BML 30 NW BML 40 NNW EFK ...CONT... 45 WSW SAN 15 SSW RAL 60 NNE DAG 15 NW DRA 10 WNW P68 25 WNW OWY 60 SE BKE 15 SSE BKE 50 WSW BKE 55 S PDT 30 SSW PDT 10 WSW ALW 10 SSE PUW 35 SSE 3TH 25 NNE MSO 30 SSW GTF 30 N BIL 40 ENE BIL 40 SE 4BQ 30 NNE PHP 15 SSE PIR 20 NE 9V9 35 NNE MHE 30 NNE BKX 25 SW AXN 30 NNW AXN 25 WNW DTL 35 SSW GFK 0 - DVL 80 N MOT ...CONT... 30 SE GLS 15 NE GLS 30 WNW BPT 50 ESE LFK 45 W IER 25 SW SHV 20 ENE GGG 20 NNE TYR 20 SW DAL 25 ENE BGS 25 WSW CNM 45 NNW ELP 0 - SVC 25 SE SAD 35 SSW SAD 40 NE FHU 15 WNW DUG 20 SSW DUG 35 S DUG ...CONT... 75 NE APN 20 E AZO 40 WSW FWA 20 S LAF 20 NNE MTO 25 SSE DEC 30 N SLO 0 - SLO 15 NNE MDH 15 SSW PAH 35 NNW MSL 40 N TCL 25 ENE TCL 30 SSW BHM 35 SSE BHM 25 NNW LGC 40 N AGS 30 ESE FAY 60 NE HSE