Day 1 Areal Outline

Issued: 2026-08-25 19:56 UTC

Summary

Severe thunderstorms are expected throughout much of the central and eastern United States, with an enhanced risk of tornadoes, hail, and high winds occurring from August 25 through August 26. High-severity wind and hail hazards are specifically forecasted for portions of the Midwest and Great Lakes regions.

Product Text

000 WUUS01 KWNS 251956 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0255 PM CDT TUE AUG 25 2026 VALID TIME 252000Z - 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 42580430 42690332 42370197 42390001 42079766 41649598 40699556 0.15 41770194 41350073 40909978 40509940 40199943 39649992 38820136 38760332 39230409 40100404 41630379 41860316 41770194 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 35629839 34389816 33259941 33240043 33540294 34180388 35970480 36910492 38350493 40990497 42000484 42580431 42680332 42370197 42390002 42079766 41639597 40659509 40059502 39179519 0.05 48558967 47218939 45928916 44688969 43829071 43559152 43559355 44269432 45539471 49869490 0.15 36430415 37400426 40180413 41660379 41920317 41770195 41360077 40899977 40509939 39729878 38749809 37709813 36679929 35979979 34989928 34329954 33900022 33930191 34810343 35540377 36430415 0.15 48609108 47609124 46889090 46329096 45849124 45419178 45339238 45499319 45839333 47709328 49069351 0.30 34590106 34570200 35300282 36080285 36460221 36420118 35670050 35280023 34700029 34590106 CIG1 35950445 38390457 40540461 41790452 42250409 42370327 42210195 41860027 41209815 40669730 39559711 37659774 36189902 34269904 33639915 33259949 33270042 33440161 33950295 34640375 35400419 35950445 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... ENH 36460221 36420118 35280023 34700029 34590106 34570200 35300282 36080285 36460221 SLGT 40180413 41660379 41920317 41770194 41350073 40909978 40509939 38749809 37709813 36679929 35979979 34989928 34329954 33900022 33930191 34810343 36430415 37400426 40180413 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 42390001 42079766 41649598 40659509 40059502 39179519 35629839 34389816 33259941 33240043 33540294 34180388 35970480 36910492 40990497 42000484 MRGL 48528962 45898912 44638968 43829071 43529152 43559359 44269432 45539471 49859491 TSTM 27999563 28499603 29249610 30049567 30969410 31559319 32179232 32529197 32769200 32929234 32999301 32989542 32899706 32599980 32510283 32420541 32590617 32760678 32870790 33080842 33210906 33160970 33071015 32861033 32261041 31731022 30871002 99999999 32161697 33241738 34011769 34831768 35781728 36841647 38051584 39401586 40641630 41641694 42451713 43631751 43891773 44411827 44611879 44851919 45231932 45751908 46481805 47051685 47211534 47151275 46100868 44900619 44030322 42759795 42859696 43729569 45359547 46619577 47139642 47659754 48459902 49420016 99999999 45366647 44486862 44196963 44427081 45007144 45567195 99999999 46418285 42268476 40328619 38248743 35448789 34288812 33408835 33138840 32798826 32518802 32308742 32358687 32708614 33128522 33478394 34018019 34557832 34867512 && THERE IS A ENHANCED RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 NNE DHT 25 SE GUY 60 N CDS 20 N CDS 45 NE PVW 30 NNW PVW 50 SSW DHT 15 WNW DHT 35 NNE DHT THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 50 NE DEN 20 SSW BFF 20 WSW AIA 50 ESE AIA 15 N LBF 35 SSW BBW 25 SW EAR 25 W SLN 30 SSW HUT 35 NE GAG 20 S GAG 25 N LTS 25 SW LTS 35 S CDS 20 NNW LBB 25 SSE TCC 30 SE RTN 10 NNE TAD 50 NE DEN 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 45 NNW CHK 25 SE FSI 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 65 SE PSX 20 SE PSX 35 NNE PSX 35 NW HOU 45 ESE LFK 15 SSW IER 30 SW MLU 0 - MLU 15 N MLU 35 NNW MLU 20 SW ELD 45 N TYR 10 WNW DAL 15 NNW ABI 25 ESE HOB 50 SE ALM 20 SSW ALM 45 SE TCS 20 NE SVC 35 NNW SVC 40 NE SAD 20 N SAD 35 WNW SAD 40 W SAD 35 ENE TUS 10 NNE FHU 50 SSW DUG ...CONT... 40 SSE SAN 40 NNW SAN 15 WNW RAL 15 ESE EDW 25 ENE NID 30 WNW DRA 65 E TPH 10 SE P68 30 WSW EKO 45 WSW OWY 40 ESE REO 75 NNE REO 65 S BKE 35 SW BKE 50 WSW BKE 60 SSW PDT 40 SW PDT 15 WNW PDT 30 NNE ALW 25 NNE PUW 25 S 3TH 40 NNE 3DU 20 NNW BIL 40 ENE SHR 10 W RAP 30 WSW YKN 20 ESE YKN 0 - OTG 35 S AXN 15 SSE DTL 25 NE FAR 25 SW GFK 25 NNW DVL 95 NNE MOT ...CONT... 40 NE EPM 10 W BHB 10 SE AUG 25 SE BML 25 NNW BML 50 NNE EFK ...CONT... 100 NNE APN 15 W JXN 40 N IND 15 NNE EVV 50 NNW MSL 35 E TUP 15 SSE CBM 35 S CBM 45 NE MEI 45 ENE MEI 25 W SEM 0 - SEM 30 NNE MGM 10 NW LGC 30 ESE ATL 30 WSW FLO 30 NW ILM 40 SE HSE