Day 1 Areal Outline

Issued: 2026-09-21 01:01 UTC

Summary

Severe thunderstorms capable of producing tornadoes, large hail, and damaging winds are expected across portions of the southeastern United States and eastern Gulf Coast on Sunday evening. Marginal to slight risks for these hazards are identified for areas ranging from Louisiana and Mississippi through Alabama, Georgia, and the Carolinas.

Product Text

000 WUUS01 KWNS 210101 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0800 PM CDT SUN SEP 20 2026 VALID TIME 210100Z - 211200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 36810155 37000129 37470127 38680185 39340252 39520313 39490353 39250391 38980401 38450360 37330249 36860208 36810155 && ... HAIL ... 0.05 36500201 37050252 38100348 38790424 39230438 39690386 39730335 39680293 39380230 38770165 37870113 36990094 36740104 36550113 36450127 36430151 36500201 0.15 37320227 38080301 38690353 39020369 39170356 39270336 39270302 39130271 38810241 38070168 37570144 37280141 37100146 37010159 36970184 37020201 37320227 CIG1 37360224 37590245 38340330 38740361 38930364 39090348 39220327 39190301 39040266 38650225 37930167 37620153 37370153 37240161 37200177 37200201 37270214 37360224 && ... WIND ... 0.05 36249176 35859303 35709350 35769426 36109471 36569482 37039457 37919285 39128938 39748627 40018380 40058215 40048183 39938141 39778119 39538115 39268134 39088159 38998197 38848362 38228655 37448907 36889029 36249176 0.05 36440135 36450155 36490174 36560201 36870236 37810315 38770420 39040431 39330429 39620400 39750380 39680293 39330226 38800168 38370139 37740108 37010102 36930097 36560114 36490120 36440135 0.15 37000161 36980179 37010195 37080211 37370238 38430327 38870366 39110363 39290343 39330307 39040266 38220184 37650153 37260141 37120144 37000161 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 39290343 39330307 39130271 38070168 37570144 37120144 37000161 36970184 37080211 38690353 39020369 39290343 MRGL 37039457 37919285 39128938 39748627 40018380 40048183 39938141 39778119 39538115 39268134 39088159 38848362 38228655 37448907 36249176 35709350 35769426 36109471 36569482 37039457 MRGL 39750380 39680293 39380230 38770165 37870113 36990094 36550113 36450127 36430151 36500201 38100348 38790424 39230438 39750380 TSTM 38387430 37277726 36437894 35088078 34448145 33788185 33298179 33028158 32888110 32968043 33377924 34747666 35617470 99999999 28648998 29229025 30089041 31109048 32229037 33938940 35068840 35798731 36318625 36518557 36778522 37218500 37578508 37748544 37838636 37618738 37128864 36199061 35069226 33249392 31479539 30249616 29439677 29019739 28499899 27960009 27770029 99999999 29430482 30570454 31850430 33780336 34780252 35330244 35720278 36170366 37050511 38110578 38650600 39520605 41130608 42660623 43650632 44350614 44800530 44810427 44600293 44260129 44290010 44319965 44589778 44579629 44199479 43529359 42589304 41939280 41469230 41189147 40869015 40778913 40818809 41108698 41588531 41648373 41398171 40887992 40247876 39807740 39887665 40147504 40307326 40327232 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 15 E LIC 30 E LIC 25 WSW ITR 55 W GCK 45 NW LBL 30 N GUY 15 E EHA 0 - EHA 15 WNW EHA 40 S LIC 15 S LIC 15 E LIC THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 10 SSW JLN 40 WNW TBN 40 NW SLO 0 - IND 25 ENE DAY 0 - ZZV 25 E ZZV 30 NNE PKB 20 NE PKB 10 SE PKB 20 SSW PKB 45 ESE LUK 50 NE OWB 25 SSE MDH 35 S UNO 40 NW RUE 15 SSW FYV 35 S GMJ 0 - GMJ 10 SSW JLN THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 NNW LIC 40 SSE AKO 10 N ITR 40 S GLD 25 W GCK 0 - LBL 20 ESE GUY 20 SE GUY 15 S GUY 35 S EHA 0 - LHX 25 E COS 35 NNE COS 35 NNW LIC GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 75 SSE ACY 15 S RIC 25 ESE DAN 15 SE CLT 40 NNW CAE 30 NNE AGS 10 ESE AGS 35 SE AGS 45 SSW OGB 25 W CHS 30 SW CRE 30 SE EWN 60 ENE HSE ...CONT... 60 SW BVE 35 SE HUM 10 WNW MSY 0 - MCB 20 WSW JAN 30 SSE UOX 45 SE MKL 40 WSW BNA 25 ENE BNA 45 NW CSV 55 N CSV 60 SSW LEX 40 SW LEX 35 SSE SDF 40 SW SDF 15 WSW OWB 10 ENE PAH 20 ENE ARG 25 N LIT 15 SSE TXK 40 WNW LFK 25 SSE CLL 40 NNE VCT 30 WNW VCT 15 E COT 45 NW LRD 50 WNW LRD ...CONT... 80 SW MRF 35 WNW MRF 35 S CNM 40 S CVS 55 ENE CVS 50 S DHT 25 SSW DHT 35 SW CAO 40 NW RTN 45 N ALS 50 E GUC 50 ENE ASE 25 WSW LAR 20 SE CPR 50 N CPR 30 W GCC 35 NNE GCC 65 SW 2WX 40 N RAP 20 NE PHP 10 SE PIR 40 NNW 9V9 25 ENE HON 30 NE BKX 30 SSE RWF 30 NNW MCW 40 SSE MCW 45 NNE OXV 25 NNE OTM 35 NNW BRL 30 WNW PIA 25 NNW BMI 50 NNW DNV 25 S VPZ 40 N FWA 0 - TOL 0 - CLE 30 NNE PIT 25 W AOO 20 ENE HGR 25 SSE CXY 15 SW TTN 35 SSW ISP 50 SE ISP