Day 1 Areal Outline

Issued: 2026-07-18 05:59 UTC

Summary

Severe thunderstorms capable of producing tornadoes, large hail, and damaging winds are expected throughout much of the central and eastern United States on Saturday, July 18. The most intense hazards, including an enhanced risk of severe weather, are centered over portions of the Southeast and Mid-Atlantic regions.

Product Text

000 WUUS01 KWNS 180559 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 1257 AM CDT SAT JUL 18 2026 VALID TIME 181200Z - 191200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 37807423 37967549 38417753 38877778 39467868 39878034 39948309 40168398 40338477 40778593 41388588 42258477 43438325 44198146 99999999 46087307 44727300 40017140 0.05 44287736 44197631 43887533 42877346 41317332 40357218 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 37317460 37497764 38337866 39757851 40128051 40348596 40318658 40208843 40428861 40728844 41668746 42698496 44118141 99999999 45487534 43907346 39747267 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 36937449 36777496 35947718 35507884 35357915 34998030 34938140 35178194 35658182 36588097 37598067 38218088 38378184 38198312 38308500 38848725 40348977 40939020 41458981 41658896 41848754 42548513 43368336 44148153 99999999 45497364 43907297 42367236 39937181 0.30 45497538 44937410 43947371 42157329 40927306 40267287 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 42367236 40357191 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 30941136 33171278 33991392 34221524 34621585 36321578 39551668 40241637 41481606 43601609 45521619 47511514 49531347 99999999 28349087 30679067 33938944 34999044 34879320 32859824 31500026 27860061 99999999 49649984 47520040 45639806 43189660 42469289 42929020 44278705 47278336 99999999 37180103 38189800 39039671 39779644 40319760 40749931 41090010 41630138 42250262 42680472 42020598 40880567 39610489 38180381 37390278 37030168 37180103 && 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 NE BAF 60 SSW 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 75 SW FHU 15 NNW GBN 55 ENE BLH 50 NW BLH 55 ESE DAG 25 SSE DRA 30 ENE U31 35 SE BAM 35 S OWY 0 - BOI 45 N MYL 10 ESE 3TH 80 NW CTB ...CONT... 85 S HUM 30 ENE BTR 30 S UOX 25 W MEM 25 SSW RUE 10 WNW MWL 15 ENE SJT 75 WNW LRD ...CONT... 115 NNW DVL 55 NNE BIS 20 NE ABR 30 SSE FSD 25 WSW ALO 20 S LNR 35 ENE MTW 75 NE ANJ ...CONT... 10 NNW LBL 10 NW HUT 0 - MHK 40 SSE BIE 55 N CNK 15 W EAR 35 SW BBW 35 SSW MHN 15 NNE AIA 35 E DGW 50 NNW LAR 30 S LAR 10 S DEN 20 WNW LHX 10 NW SPD 10 E EHA 10 NNW LBL