Day 1 Areal Outline

Issued: 2026-08-19 16:36 UTC

Summary

There is a slight to marginal risk of severe thunderstorms, including possible tornadoes, hail, and damaging winds, across portions of the southern and central United States on Wednesday. These storms are expected to affect various areas from the Southwest through the Gulf Coast and into the Midwest during the afternoon and evening.

Product Text

000 WUUS01 KWNS 191636 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 1134 AM CDT WED AUG 19 2026 VALID TIME 191630Z - 201200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 35859010 35949188 36109272 36549328 36949353 37419353 37829326 38139268 38249199 38168866 38018756 37748698 37398676 36768683 36328709 35978785 35818875 35859010 && ... HAIL ... 0.05 35839003 35939185 36109271 36559327 36979349 37479348 37859322 38149268 38269197 38178867 38028753 37698690 37318675 36748684 36358708 35958786 35818872 35839003 0.05 43719705 43239573 42509487 42089432 41769348 41619237 41539026 41548807 41558664 41398546 41148474 40728455 40308464 39968484 39778531 39728612 39758716 39718953 39839194 39699496 39629604 39439759 39069897 38320070 37370242 36550312 36140345 35800377 35350412 35210464 35520537 35930538 37150574 38460575 39890573 40610550 40780500 40810477 40590439 40330404 39860322 39500161 40059985 40669951 43069974 43489934 43649859 43719795 43719705 && ... WIND ... 0.05 31421369 33751304 34191214 34381115 34211005 34020926 33620897 32990891 32590908 31730974 30941006 0.05 37368438 36358512 34698703 34178735 33548719 32398696 31828644 31348538 31178390 31218253 30898148 30418119 29968103 29468110 29088141 28888199 29088266 29958371 30318500 30418603 30478882 30468968 30579047 31179097 33719147 35709384 36389449 37119452 37739455 38239453 38479495 38529595 37999757 36500004 35400108 34850271 34990412 35510535 36010536 37190571 39840570 40580548 40810474 39820315 39560166 39959977 40769951 41919959 43119973 43549915 43749777 43719700 43179563 42699521 41739392 41049243 40749120 40298838 39998587 39288396 38718364 38058371 37368438 0.15 35869015 35949187 36109273 36559329 36949354 37419354 37839327 38139268 38249201 38239125 38178872 38018757 37748697 37388675 36778682 36328709 35968785 35808878 35869015 0.15 31771342 32701279 32991236 33341170 33411109 33211073 32781041 31971044 31181073 30851101 0.15 41209637 40909542 40769419 40559387 40249382 40009405 39899468 39999624 40689810 41359905 41579900 41689858 41679794 41209637 CIG1 31761359 32911322 33681210 33181036 32380981 31740974 30921009 31171218 31761359 CIG1 40009627 40669808 41369905 41559900 41699859 41679795 40939548 40829483 40309460 39939497 40009627 CIG1 35900388 36900442 37940486 39580490 39750426 39470365 38260266 36720234 36060264 35700328 35900388 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 31771342 32701279 33341170 33411109 33211073 32781041 31971044 31181073 31011087 SLGT 37419354 37839327 38139268 38249201 38178872 38018757 37748697 37388675 36778682 36328709 35968785 35808878 35949187 36109273 36559329 36949354 37419354 SLGT 41579900 41689858 41679794 40909542 40769419 40559387 40249382 40009405 39899468 39999624 40689810 41359905 41579900 MRGL 31621363 33751304 34191214 34381115 34211005 34020926 33620897 32990891 32590908 31730974 30941006 MRGL 39890573 40610550 40780500 40810474 39860321 39560166 40059985 40749952 43119973 43489934 43649859 43749777 43719700 43239573 42089432 41769348 41619237 41539026 41558664 41398546 41148474 40728455 40308464 39968484 39788529 39288396 38718364 38058371 37368438 36358512 34698703 34178735 32398696 31828644 31348538 31178390 31218253 30898148 30418119 29968103 29468110 29088141 28888199 29088266 29958371 30318500 30418603 30468968 30579047 31179097 33719147 35709384 36389449 38239453 38479495 38529595 37999757 36500004 35400108 34850271 34990412 35520537 35930538 37150574 38460575 39890573 TSTM 30931383 35291337 35851258 36021168 35961113 35831063 36590915 37341005 37721155 38221205 39021244 40111248 40651229 41201149 41481000 41330837 41400658 42060542 42080444 41500336 40480234 40400070 40949967 42219983 44200022 46370110 47150319 49820268 99999999 49319210 47049194 46159279 45979406 45749558 45189640 44329658 43549578 42059323 41779000 41958645 41898327 42038229 43278062 99999999 43416882 43867147 43687279 43077370 42227517 41487693 40767852 39777977 38748082 38068189 35148515 34648690 33878713 32938655 32378534 32028417 32108347 32078264 32378176 33118125 34687935 35297657 35227469 99999999 29019246 29069246 29469263 29549265 30269286 31269269 32099236 33069257 33609291 34109372 34699487 35079656 35289794 34960050 32980319 32320460 32020515 31680613 31210714 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 90 SSW GBN 15 SSW GBN 20 ESE PHX 55 E PHX 75 N TUS 45 W SAD 30 NNW FHU 35 SW FHU 50 SW FHU THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 15 NW SGF 45 N SGF 40 NW TBN 15 WNW VIH 15 SE MVN 0 - EVV 10 E OWB 35 NNW BWG 25 WSW BWG 25 SE CKV 50 SSW CKV 15 NNE MKL 20 NW BVX 15 WSW FLP 20 NNW HRO 20 SSW SGF 15 NW SGF THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 15 SSE BUB 30 ESE BUB 35 SW OFK 10 N SDA 15 NW LWD 0 - LWD 25 SSE LWD 30 WNW CDJ 15 ENE STJ 35 SE BIE 20 ENE HSI 30 S BUB 15 SSE BUB THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 90 SE YUM 60 NNW GBN 35 SSE PRC 50 SSW INW 0 - SOW 45 ESE SOW 65 NE SAD 45 ENE SAD 35 ESE SAD 20 NNW DUG 45 SSE FHU THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 45 W DEN 30 WNW FCL 25 N FCL 25 S CYS 20 S AKO 15 N GLD 45 N HLC 25 W EAR 40 NNE ANW 20 S 9V9 30 WSW MHE 15 E MHE 15 WNW FSD 30 SSW OTG 35 S FOD 20 NNE DSM 35 N OTM 15 ENE MLI 20 WSW SBN 30 NNW FWA 25 ENE FWA 35 ESE FWA 35 NW DAY 35 W DAY 35 S MIE 30 ENE LUK 50 ESE LUK 40 NNW JKL 25 NW LOZ 30 N CSV 15 W HSV 45 SSE MSL 0 - SEM 25 W TOI 0 - DHN 10 NW MGR 10 WSW AYS 20 S SSI 30 NNE SGJ 20 E SGJ 20 N DAB 25 WSW DAB 25 SE OCF 25 WSW OCF 45 WNW CTY 40 SSE MAI 25 WNW PFN 10 NE ASD 40 S MCB 30 W MCB 15 ENE LLQ 30 SE FYV 20 SE GMJ 45 SSE OJC 30 SSW OJC 20 NE EMP 15 ESE HUT 20 NW GAG 25 SE BGD 45 NE CVS 30 WSW TCC 15 SW LVS 25 NNW LVS 20 SSE ALS 70 N ALS 45 W DEN GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 125 SSE YUM 30 E IGM 25 WSW GCN 25 E GCN 65 NNE FLG 55 N INW 55 SSW CEZ 35 WSW 4BL 35 E BCE 35 N BCE 25 S U24 25 ESE DPG 20 WSW SLC 25 WSW EVW 50 W RKS 40 ESE RKS 40 SE RWL 50 S DGW 15 W TOR 30 SSE BFF 40 W IML 15 NNW MCK 35 S BBW 25 SSE ANW 15 SSE PIR 35 SSW BIS 30 NW DIK 120 NNE ISN ...CONT... 100 N ELO 20 NE DLH 55 SSW DLH 30 N STC 10 SW AXN 10 S VVV 10 E BKX 15 SW OTG 40 NNE DSM 35 NE MLI 10 S BEH 25 S DTW 50 NNW CLE 85 NNW ERI ...CONT... 75 SSW BHB 20 N LCI 15 NE RUT 20 SSW GFL 40 NNW MSV 15 N IPT 35 NNW AOO 10 NE MGW 50 ENE CRW 25 SW CRW 10 NNE CHA 0 - HSV 30 NW BHM 45 N MGM 15 SSE AUO 35 N ABY 45 SSE MCN 20 WSW VDI 35 WNW SAV 35 SW OGB 35 S SOP 30 ENE EWN 50 E HSE ...CONT... 55 SSW 7R4 55 SSW 7R4 35 SW 7R4 35 WSW 7R4 25 ENE LCH 25 WSW ESF 35 SSW MLU 20 SE ELD 25 N ELD 40 E DEQ 25 SSW RKR 45 SSE CQB 15 N CHK 40 NNW CDS 20 N HOB 20 W CNM 25 WNW GDP 15 ESE ELP 60 SW ELP