Day 1 Areal Outline

Issued: 2026-07-18 16:22 UTC

Summary

Severe thunderstorms capable of producing tornadoes, large hail, and damaging winds are expected across parts of the Eastern and Central United States today, with an enhanced risk area spanning from the Mid-Atlantic through the Southeast. A slight risk of severe weather also exists for portions of the Northeast and the Central Plains.

Product Text

000 WUUS01 KWNS 181622 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 1120 AM CDT SAT JUL 18 2026 VALID TIME 181630Z - 191200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 45567373 43927300 43417240 42477136 40697102 99999999 37807423 37967549 38417753 38877778 39467868 39878034 39498308 39688426 39898522 40638623 41388588 42258477 43438325 44198146 0.05 44287736 44197631 43887533 43017360 42197266 40407241 99999999 38497409 38607601 38757672 39357733 39937793 40287844 40397903 40668030 41128052 42038047 43117970 CIG1 39207556 39637632 40457632 40947587 41427518 41497470 40877381 40587369 40137374 39507409 39137437 38887487 39207556 && ... HAIL ... 0.05 37317460 37497764 38337866 39757851 40128051 40348596 40398643 40458719 40818785 41338784 41748700 42898410 44118141 99999999 44547659 43917483 43297384 41847238 40357208 0.05 49390591 46680890 45591037 44161223 43501313 43841436 44361499 45851504 48021319 49831186 && ... WIND ... 0.05 36367400 34927756 34028021 33708168 33858274 33948389 34548504 35288632 36678677 38909000 39539111 40649306 41299289 41909023 42168777 42798472 45108123 99999999 45767211 44077123 43397081 42257059 40887034 0.05 49350567 46610893 44321199 43491311 43801434 44331501 45831512 48011349 49821195 0.15 36937449 36777496 35947718 35617842 35357915 34998030 34938140 35178194 35658182 36588097 37598067 38218088 38378184 38198312 38308500 38848725 40348977 40939020 41259001 41498934 41818774 42568458 43418287 44148153 99999999 45497364 43907297 42477138 40727101 0.15 49300772 47160952 45561138 45311260 45791324 46781346 49211134 0.30 38227412 38017516 37557712 37437766 37637828 38057846 38477839 39057824 39577863 39647883 39747944 39618067 39708190 39958343 40658530 41278552 42068386 42608279 42958197 99999999 44587661 44187546 43527380 42347220 40467208 0.45 38467438 38137663 38217762 38757802 39327783 39957789 40207835 39998000 40228141 40848369 41458386 42098261 99999999 43977683 43837623 43527542 43217488 42817442 42267402 40617347 39557331 CIG1 49010810 47250973 45771148 45501256 45901313 46731344 49021148 49010810 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... ENH 43977683 43527542 43217488 42817442 42267402 40617347 39977337 99999999 38467440 38137663 38217762 38757802 39327783 39957789 40207835 39998000 40228141 40848369 41458386 42098261 SLGT 45487364 43907297 42477138 40727101 99999999 36677523 35947718 34998030 34938140 35178194 35658182 36588097 37598067 38218088 38378184 38198312 38308500 38848725 40348977 40939020 41259001 41498934 42568458 44078165 SLGT 49300772 47160952 45561138 45311260 45791324 46781346 49211134 49511134 MRGL 45477196 43397081 40887034 99999999 35987494 34927756 34028021 33708168 33948389 35288632 36678677 38909000 40649306 41299289 41909023 42168777 42798472 44748178 MRGL 49350567 46610893 43491311 43801434 44331501 45831512 48011349 49521221 TSTM 49399776 49029822 48819910 48720016 48720146 48520208 48180237 47780252 47440239 47220172 46639968 45199824 44589797 43979748 43499661 42929484 42659267 42598693 42918502 43888377 45168125 99999999 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 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 40 W ART 25 N UCA 25 E UCA 30 W ALB 35 SSW 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 10 S FDY 10 SSW 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 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 30 ESE MLI 35 WNW MMO 15 S LAN 70 ENE BAX THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 90 NNW GGW 10 NNW LWT 20 SW BZN 0 - DLN 35 WSW BTM 15 WNW 3DU 60 NE CTB 75 NE CTB 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 E OXV 35 NNE MLI 40 S RAC 0 - LAN 90 NE BAX 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 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 25 SE SPW 15 WNW ALO 40 NW BEH 25 WNW LAN 30 NNE MBS 130 NE BAX ...CONT... 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... 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