Day 1 Areal Outline

Issued: 2026-07-18 12:21 UTC

Summary

Severe thunderstorms, including potential tornadoes, hail, and damaging winds, are expected across portions of the central and eastern United States on Saturday. An enhanced risk of severe weather is forecast for parts of the Mississippi and Alabama regions, with slight to marginal risks extending through the Mid-Atlantic and Southeast.

Product Text

000 WUUS01 KWNS 181221 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0719 AM CDT SAT JUL 18 2026 VALID TIME 181300Z - 191200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 46087307 44717296 43417240 42477136 40697102 99999999 37807423 37967549 38417753 38877778 39467868 39878034 39948309 40168398 40338477 40778593 41388588 42258477 43438325 44198146 0.05 44287736 44197631 43887533 43037284 42337219 40427207 99999999 38497409 38607601 38757672 39357733 39937793 40287844 40397903 40668030 40758223 41278261 42308188 CIG1 39207556 39637632 40457632 40947587 41427518 41497470 40877381 40587369 40137374 39507409 39137437 38887487 39207556 && ... HAIL ... 0.05 45507537 44937410 43967373 42357217 40357208 99999999 37317460 37497764 38337866 39757851 40128051 40348596 40318658 40208843 40428861 40728844 41668746 42698496 44118141 0.05 49390591 46680890 45591037 44161223 43501313 43841436 44361499 45851504 48021319 49831186 && ... WIND ... 0.05 49350567 46610893 44321199 43491311 43801434 44331501 45831512 48011349 49821195 0.05 36367400 34927756 34028021 33708168 33858274 33948389 34548504 35288632 36678677 38909000 39539111 40649306 41279293 41639165 43578582 45368135 99999999 45767211 44077123 43397081 42257059 40887034 0.15 45497364 43907297 42477138 40727101 99999999 36937449 36777496 35947718 35507884 35357915 34998030 34938140 35178194 35658182 36588097 37598067 38218088 38378184 38198312 38308500 38848725 40348977 40939020 41458981 41658896 41848754 42548513 43368336 44148153 0.30 45497538 44937410 43967370 42347220 40467208 99999999 38227412 38017516 37557712 37437766 37637828 38057846 38477839 39057824 39577863 39697878 39747944 39618067 39708190 39958343 40658530 41278552 42428383 42758299 42958197 0.45 44947689 44967599 44777542 44347459 43207419 42477421 40617347 39557331 99999999 38467438 38137663 38217762 38757802 39327783 39957789 40207835 39998000 40228141 40658359 41268419 42098261 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... ENH 44967599 44777542 44347459 43207419 42477421 40617347 39977337 99999999 38467440 38137663 38217762 38757802 39327783 39957789 40207835 39998000 40228141 40658359 41268419 42098261 SLGT 45487364 43907297 42477138 40727101 99999999 36677523 35947718 35507884 34998030 34938140 35178194 35658182 36588097 37598067 38218088 38378184 38198312 38308500 38848725 40348977 40939020 41458981 41658896 41848754 42548513 44098166 MRGL 45477196 43397081 40887034 99999999 35987494 34927756 34028021 33708168 33948389 35288632 36678677 38909000 40649306 41279293 41639165 43578582 45168186 MRGL 49350567 46610893 43491311 43801434 44331501 45831512 48011349 49521221 TSTM 37980077 38479843 38759770 39159730 39769724 40149754 40529863 40980026 41870219 42420392 42400520 41990564 40590567 39990542 39110457 38460396 37910296 37740181 37980077 99999999 31081188 32931372 34571529 35611615 36721673 37581695 39431703 43621671 45621619 46911524 48681370 49441318 99999999 49399776 49029822 48819910 48720016 48720146 48520208 48180237 47780252 47440239 47220172 46639968 45199824 44589797 43979748 43499661 43159461 42889247 42939063 43798771 45368457 46148304 99999999 28349087 30649071 32318989 33708954 34288965 34649007 34799095 34829173 34459420 33959570 32949795 31259988 30560032 29400053 27860061 && THERE IS A ENHANCED RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 65 N ART 30 WSW MSS 20 W SLK 30 WSW GFL 30 SW ALB 15 E JFK 50 SSE JFK ...CONT... 70 S ACY 15 SW NHK 50 NNW RIC 45 S MRB 10 SE MRB 20 NNW HGR 0 - AOO 25 N MGW 30 NE ZZV 25 S FDY 30 SW TOL 35 SSE MTC THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 75 NNW BTV 25 N RUT 20 WNW BOS 45 SE BID ...CONT... 55 ESE ORF 40 E RWI 25 S RDU 40 ESE CLT 30 SW CLT 15 N SPA 25 W HKY 40 SSW PSK 25 SW SSU 30 NNE BKW 15 W CRW 35 WSW HTS 30 NW LEX 40 S HUF 25 SSW PIA 35 WNW PIA 35 E MLI 25 NW MMO 40 NW VPZ 30 SE GRR 70 ENE BAX THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40 NNE EFK 20 N PSM 30 SSW ACK ...CONT... 65 NE HSE 0 - OAJ 30 WSW FLO 30 NE AGS 30 W AHN 50 NNE HSV 30 SW BWG 0 - ALN 45 S OXV 10 ESE OXV 20 SSE CID 35 NE MKG 90 ENE OSC THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 85 N OLF 40 SE LWT 45 NNW PIH 20 N SUN 65 NNW SUN 30 SE P69 40 ESE GPI 65 N CTB GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 0 - GCK 35 SE RSL 0 - SLN 30 NE SLN 25 NE CNK 40 N CNK 10 WSW HSI 25 ESE LBF 35 ESE AIA 30 NNE TOR 25 SSE DGW 45 N LAR 35 WNW FCL 30 WNW DEN 20 NNE COS 30 ENE PUB 20 SW LAA 50 N EHA 0 - GCK ...CONT... 90 SW TUS 55 ENE YUM 40 WSW EED 65 NE DAG 40 W DRA 35 SSE TPH 10 ESE U31 25 W BOI 50 N MYL 50 S 3TH 35 NE GPI 65 NNW CTB ...CONT... 60 NW HCO 70 NNE DVL 50 N DVL 60 ENE MOT 30 NNW MOT 40 WNW MOT 55 NW N60 70 N DIK 50 NNE DIK 35 SSW N60 50 WSW JMS 20 SSE ABR 20 NE HON 30 ENE MHE 10 SE FSD 35 SSW FRM 25 N ALO 30 SW LNR 25 S MTW 20 SE PLN 80 NNE APN ...CONT... 85 S HUM 25 ENE BTR 10 E JAN 35 ENE GWO 10 SW UOX 30 S MEM 60 WSW MEM 30 ENE LIT 30 NNE DEQ 25 NNW PRX 15 NNE MWL 40 ESE SJT 35 W JCT 25 E DRT 75 WNW LRD