Day 1 Areal Outline

Issued: 2026-08-23 20:01 UTC

Summary

There is a slight risk of tornadoes, large hail, and damaging winds across portions of the central and eastern United States through the afternoon and evening. Marginal risks for severe thunderstorms also extend across much of the Midwest, the Southeast, and parts of the Southwest.

Product Text

000 WUUS01 KWNS 232001 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0259 PM CDT SUN AUG 23 2026 VALID TIME 232000Z - 241200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... && ... HAIL ... 0.05 45377250 44427197 43007181 42027248 41867339 41947431 42237528 42287702 42147883 41747986 41578086 41708117 42348182 0.05 49830448 48580396 48230298 47700163 47300067 46529957 45629870 44689821 43739814 42969852 42819922 42579980 41210046 40320106 39590184 38990252 38830328 38820442 38840459 39060497 39810520 40200514 40740459 41030405 41280384 41990376 42730389 42910393 43550398 44400442 45470449 46700486 46990563 46900646 46070727 45590818 45160923 44801036 44361188 44281251 44331289 44541315 45501302 47211262 49571220 0.05 32317946 32428054 32828114 33348099 34147979 34537887 34917793 34857711 34717695 34287693 0.15 49490919 47940949 47130964 46410987 46171079 46451172 47571199 48351193 49411172 0.15 43750032 42820067 42300135 42250211 42450285 43000325 43740356 44170372 45630382 46230371 47070321 47360231 47040102 46250048 45550021 44530013 43750032 CIG1 46330032 45469993 43819981 42499988 41740026 40710087 40420175 41120259 42540333 43770359 44100374 44550378 45620388 46220380 47060332 47400233 47060101 46330032 && ... WIND ... 0.05 29089348 29749388 30279388 31109466 31489463 31739432 31759364 31319131 31329125 31218854 31418651 32118441 34387925 35167723 36037493 99999999 29608041 29688214 29488397 0.05 45787140 44707100 43427083 42747108 41957154 40947223 40487367 40167482 40107578 40167732 40367896 40958145 41448211 42248249 0.05 38629649 38529532 37739390 35989214 35289221 34889263 34889354 36269528 36969728 37599761 38399736 38629649 0.05 32021526 33541500 34461445 34531374 34171317 33911246 33801151 32981076 32371049 31081021 0.05 49870448 48370377 47780259 47400109 47080047 46800011 45459990 43819978 42729977 41970006 41160041 39980106 38740179 37800223 37440208 37150161 37050074 36710040 36310043 35840129 35970289 36420359 37510425 38420476 39780522 40220516 40740460 41130384 41540361 42240356 42630358 42900358 43470365 43910383 44280453 44330483 44140554 43690631 42960699 41970748 40870779 39740815 38850904 38401087 38371242 38581370 38851445 39211493 39771580 40331619 40631620 41001580 41351510 41671471 43301369 46061281 47951288 49551374 0.15 42931272 43011184 42901147 42621119 41851048 41560994 41290988 41001001 40621072 40191150 39911237 39811286 39721337 39751404 39881460 40241487 40931476 41791419 42331356 42931272 0.15 49500556 47390521 46750518 46060574 45690655 45460731 45230856 45220963 45881143 46681186 48121164 49621095 CIG1 42401401 43051309 43781018 44901027 45461165 46771194 48181166 49141123 49261075 49280551 48440416 47530231 47160095 45500007 43909988 42739982 41880013 40940074 39190195 37750236 37310210 37070150 36970077 36780053 36440048 35920121 36050289 36550328 38230415 40400424 41520337 42430310 43220301 43660335 44070406 44310451 44380499 44450609 44220710 43530845 42700928 41550986 39531000 39311038 39321065 39651135 39671159 39631198 39381259 39011319 38811382 38851420 39061454 39691542 40391601 40811578 41431481 42401401 CIG1 32151510 33491495 34401440 34461372 34121328 33831257 33721160 32971091 32301061 31071033 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 40931476 41791419 42931272 43011184 42901147 41851048 41560994 41290988 41001001 40191150 39911237 39721337 39751404 39881460 40241487 40931476 SLGT 46230371 47070321 47360231 47040102 46250048 45550021 44530013 43750032 42820067 42300135 42250211 42450285 43000325 44170372 45630382 46230371 SLGT 49470556 47390521 46750518 46060574 45690655 45460731 45230856 45220963 45881143 46681186 46891183 47571199 48351193 49411172 MRGL 32201523 33541500 34461445 34531374 34171317 33911246 33801151 32981076 32371049 31081021 MRGL 49480430 48540385 47300067 46529957 45629870 44689821 43739814 42969852 42819922 42579980 41160041 38740179 37800223 37440208 37150161 37050074 36710040 36310043 35840129 35970289 36420359 38420476 39780522 40220516 40740460 41030405 41280384 41990376 43550398 44150429 44280453 44330483 44140554 43690631 42960699 41970748 39740815 38850904 38401087 38371242 38581370 38851445 39771580 40331619 40631620 41001580 41351510 41671471 43301369 45331304 46351282 47951288 49521373 MRGL 29608048 29688214 29488397 99999999 29139351 29749388 30279388 31109466 31489463 31739432 31759364 31319131 31218854 31418651 32118441 34387925 36027496 MRGL 38399736 38629649 38529532 37739390 35989214 35289221 34889263 34889354 36269528 36969728 37599761 38399736 MRGL 45787140 44707100 43427083 42747108 40947223 40487367 40167482 40107578 40167732 40367896 40958145 41448211 42248249 TSTM 39347366 39377508 39637881 40338170 41188381 41468440 42698484 43818471 44318439 44788338 45168159 99999999 28789452 29229527 29739601 30849644 32309655 33169609 33949631 34529710 34789850 34750003 34680146 34300401 33730564 32920784 32520846 32130879 31080862 99999999 49419737 46929753 45969734 45369674 44399546 43589472 41159327 37889132 36419063 35519024 35029031 34759035 34449029 34189016 33988980 33898922 33728803 33628553 33918257 34398067 35757828 36557713 37367616 37747475 99999999 32291683 33531602 34611556 35701530 36331534 36861553 37171580 37371626 37471664 37451705 37151736 36811780 36611822 36701860 37091899 37801943 38611958 39551953 40251906 41291775 42811565 43511535 44371514 45331516 46101540 46761586 47281692 47701846 48281974 49112068 49882137 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40 WNW ENV 50 SSE TWF 0 - PIH 35 SSE IDA 50 SE IDA 50 NE EVW 45 W RKS 45 WSW RKS 45 NNW VEL 50 SSE SLC 35 NNE U24 40 SW DPG 55 NE ELY 45 NNE ELY 65 N ELY 40 WNW ENV THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 25 ESE BHK 25 NW DIK 45 NNE DIK 20 NW BIS 40 SSE BIS 10 E MBG 15 NE PIR 45 S PIR 0 - VTN 20 NW MHN 40 ENE AIA 30 N AIA 15 NNW CDR 35 WNW RAP 15 WNW 2WX 25 ESE BHK THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 95 N OLF 25 NW GDV 30 SW GDV 25 SSE MLS 60 SSW MLS 50 NNW SHR 40 S BIL 55 NNW COD 15 WNW BZN 10 NE HLN 20 NNE HLN 30 WNW GTF 30 SE CTB 60 NNE CTB THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 50 SSE IPL 15 WSW BLH 25 SSE EED 50 SSE IGM 55 SW PRC 40 NW PHX 40 NE PHX 60 N TUS 30 NE TUS 35 SSE FHU THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 95 NNW ISN 25 NNW ISN 35 N BIS 50 WSW JMS 20 NW ABR 20 N HON 0 - MHE 35 NNE ONL 35 NW ONL 10 E ANW 15 E LBF 45 S GLD 30 SE LAA 30 NNW EHA 20 ENE EHA 15 E LBL 40 SE LBL 35 W GAG 10 NNE BGD 20 W DHT 25 W CAO 15 NW PUB 20 W DEN 20 SSW FCL 30 SSE CYS 40 ESE CYS 45 SSW BFF 10 NW BFF 60 SW RAP 60 W RAP 50 E GCC 35 E GCC 15 S GCC 55 N CPR 25 W CPR 20 NW RWL 50 NNE GJT 35 WSW GJT 10 W 4HV 35 E MLF 40 WNW MLF 35 SE ELY 20 NNE P68 40 SSW EKO 25 WSW EKO 10 N EKO 50 NE EKO 55 SSW TWF 35 ESE SUN 25 WNW DLN 25 SE 3DU 50 SSW CTB 85 NNE GPI THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 45 NE DAB 10 E GNV 55 W CTY ...CONT... 65 SSE BPT 15 SSE BPT 25 NNE BPT 10 SSE LFK 20 NNE LFK 45 NE LFK 30 W IER 20 S HEZ 40 NNW MOB 30 E GZH 40 NNW ABY 30 ENE FLO 65 NNE HSE THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30 SSE SLN 25 NW EMP 40 SSE TOP 45 NW SGF 25 SE FLP 40 N LIT 25 WNW LIT 35 SW RUE 40 N MKO 20 NNW PNC 10 WSW ICT 30 SSE SLN THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 80 N BML 10 ENE BML 25 N PSM 25 N BOS 30 SSW GON 10 SSE JFK 10 S TTN 30 NNW ILG 25 W CXY 25 ENE LBE 0 - CAK 15 W CLE 30 SE MTC GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 50 E ACY 25 NE DOV 55 SSW AOO 30 NNE ZZV 15 NNW FDY 30 WSW TOL 15 WSW LAN 35 S HTL 15 E HTL 25 N OSC 100 ENE OSC ...CONT... 40 SSE GLS 15 ENE LBX 45 W HOU 20 NNW CLL 20 NNW CRS 50 SW PRX 0 - DUA 15 NNW ADM 10 NNW FSI 25 NNE CDS 40 NNE PVW 40 W CVS 20 NNW SRR 25 NE SVC 20 WSW SVC 50 SW SVC 65 ESE DUG ...CONT... 50 NNW HCO 35 W FAR 70 N ATY 15 WNW VVV 20 WSW RWF 15 WSW FRM 15 SW OXV 30 SE VIH 25 SSW POF 30 SE JBR 20 W MEM 30 SW MEM 45 SSW MEM 40 WSW UOX 30 SSW UOX 40 SSE UOX 25 ENE CBM 20 E ANB 40 SSE AND 40 NE CAE 20 WSW RWI 35 ENE RZZ 30 N ORF 40 ESE WAL ...CONT... 30 SW CZZ 10 SE TRM 55 WSW EED 30 SSW LAS 20 NNW LAS 30 ENE DRA 35 NNE DRA 50 NNW DRA 50 SSE TPH 45 S TPH 65 SSW TPH 50 SE BIH 50 S BIH 45 SSW BIH 40 WSW BIH 70 NNE FAT 30 SE TVL 15 ENE RNO 30 WNW LOL 25 N WMC 60 SSE BOI 45 E BOI 60 SE MYL 60 SSE P69 10 ESE P69 45 NNW P69 40 NNE PUW 45 W GEG 15 SW OMK 70 NW OMK 90 NE BLI