Day 1 Areal Outline

Issued: 2026-08-19 05:59 UTC

Summary

Severe thunderstorms, including risks of tornadoes, large hail, and damaging winds, are expected across much of the central and southern United States on Wednesday. The risk levels vary from marginal to slight across a wide area spanning from the Plains through the Southeast and into the Mid-Atlantic.

Product Text

000 WUUS01 KWNS 190559 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 1257 AM CDT WED AUG 19 2026 VALID TIME 191200Z - 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 34880243 34920353 35020421 35340487 35850527 36600538 37600499 38480397 38990331 40070147 41010098 42450088 44170094 44870049 45359999 45579884 45539811 44969714 44389673 43569659 41219693 40109745 38589839 37209940 36140032 35450100 34880243 && ... WIND ... 0.05 31621298 32301312 32681296 33161257 33931157 34221058 34240995 34020926 33620897 32990891 32590908 31840995 31121064 0.05 37368438 36358512 35518596 34768634 33938656 33048643 32018633 31298671 30898739 30818821 31068888 31648979 32659072 33639144 35709384 36449492 37129590 37619723 37529830 37209934 36410003 35400108 34850271 34990413 35300482 35800521 36550541 37550500 38200430 38660376 39500247 40080146 41030097 42540089 44180093 44930048 45369993 45579898 45539814 44979715 44469679 43639654 42869556 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 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 37419354 37839327 38139268 38249201 38178872 38018757 37748697 37388675 36778682 36328709 35968785 35808878 35949187 36109273 36559329 36949354 37419354 MRGL 31621298 32301312 32681296 33161257 33931157 34221058 34240995 34020926 33620897 32990891 32590908 31840995 31121064 MRGL 37600499 38990331 40080147 41010098 42540089 44170094 44930048 45359999 45579898 45539811 44979715 44389673 43639654 41739392 41049243 40749120 40298838 39998587 39288396 38718364 38058371 37368438 36358512 35518596 34768634 33938656 32018633 31298671 30898739 30818821 31068888 31648979 32659072 33639144 35709384 37129590 37619723 37529830 37209934 35450100 34880243 34990413 35300482 35850527 36550541 37600499 TSTM 43406903 43867147 43687279 43077370 42227517 41487693 40767852 39777977 38748082 37928205 35268412 34638463 34048509 32878486 32288423 32108347 32078264 32378176 33098126 33818098 34508056 35257976 35817904 36417767 36897608 36967507 36967496 36807460 99999999 31691372 32051414 32771481 33681478 33891462 34471425 34881375 35311341 35851258 36021168 35961113 35831063 36590915 37341005 37721155 38221205 39021244 40111248 40651229 41201149 41481000 41330837 41330688 41340555 41170412 40790283 40520215 40670167 41230139 41730140 42350131 43660140 44770228 44910242 45280265 45930287 46800335 47850398 49480501 99999999 29019246 29069246 29469263 29549265 30269286 31269269 32099236 32479251 33049336 33599407 34509534 35079656 35289794 35140060 33890405 32950459 32490532 31940641 31210714 99999999 49709904 47789898 46529813 45369700 44319555 43459375 42939271 42579123 42208993 41688778 41698648 42268360 43358157 && 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 MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 90 S GBN 50 SSW GBN 25 SW GBN 20 NNE GBN 45 NE PHX 35 W SOW 0 - SOW 45 ESE SOW 65 NE SAD 45 ENE SAD 35 ESE SAD 30 NE FHU 35 SSW FHU THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 45 WNW TAD 25 SE LIC 30 SSE IML 20 WSW LBF 25 SW VTN 35 ENE PHP 40 NNW PIR 25 ESE MBG 30 WNW ABR 15 ENE ABR 0 - ATY 0 - BKX 10 ENE FSD 20 NW DSM 0 - OTM 0 - BRL 20 NNW CMI 30 NE IND 30 ENE LUK 50 ESE LUK 40 NNW JKL 25 NW LOZ 30 N CSV 55 NW CHA 25 ENE HSV 25 NNE BHM 20 SSE MGM 20 ESE GZH 30 NNW PNS 10 NNE MOB 40 SE PIB 30 WNW PIB 45 WNW JAN 20 E LLQ 30 SE FYV 25 NNE BVO 10 ESE ICT 20 NE P28 40 W P28 30 SE BGD 45 WSW AMA 35 WSW TCC 30 SE LVS 15 NNW LVS 50 WSW RTN 45 WNW TAD GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 75 SSE AUG 20 N LCI 15 NE RUT 20 SSW GFL 40 NNW MSV 15 N IPT 35 NNW AOO 10 NE MGW 50 ENE CRW 40 SW CRW 40 S TYS 35 ENE RMG 20 SSE RMG 15 SE LGC 45 SW MCN 45 SSE MCN 20 WSW VDI 35 WNW SAV 35 SW OGB 10 SE CAE 50 NE CAE 20 W SOP 15 WSW RDU 0 - RZZ 0 - ORF 70 SSE WAL 75 SSE WAL 90 SSE WAL ...CONT... 85 SE YUM 50 SSE YUM 15 NW YUM 0 - BLH 20 NNE BLH 30 SE EED 30 SSE IGM 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 35 SSE RWL 0 - LAR 35 E CYS 25 SSE SNY 30 W IML 10 NNW IML 40 W LBF 30 SW MHN 25 NNW MHN 30 SSE PHP 60 NW PHP 70 S Y22 50 SSW Y22 35 W Y22 25 W DIK 15 NE SDY 100 NNE OLF ...CONT... 55 SSW 7R4 55 SSW 7R4 35 SW 7R4 35 WSW 7R4 25 ENE LCH 25 WSW ESF 35 SSW MLU 30 W MLU 35 WSW ELD 10 NNW TXK 35 SE MLC 45 SSE CQB 15 N CHK 50 NNW CDS 50 NNE ROW 25 S ROW 55 NNW GDP 10 N ELP 60 SW ELP ...CONT... 110 N DVL 25 S DVL 40 SE JMS 30 NNE ATY 30 SW RWF 30 NW MCW 30 NNW ALO 30 WNW DBQ 45 ESE DBQ 45 WNW VPZ 10 W SBN 10 ENE ARB 80 NE MTC