Day 1 Areal Outline

Issued: 2026-06-18 19:59 UTC

Summary

Severe thunderstorms capable of producing tornadoes, large hail, and damaging winds are expected across parts of the central and southern United States through Friday morning. A slight risk of severe weather exists for portions of the Mississippi Valley and Southeast, while marginal risks extend across parts of the Midwest and Deep South.

Product Text

000 WUUS01 KWNS 181959 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0258 PM CDT THU JUN 18 2026 VALID TIME 182000Z - 191200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 29518963 29898983 30408975 30668964 31408879 31838886 32948663 33978585 35648060 36087860 35597804 34767858 32568076 32008118 31548255 30828356 30018547 29588870 29438939 29518963 0.02 45837129 44327028 42927057 41777148 41517255 41657475 42407541 43007416 43747313 44557277 45107267 45587289 0.02 37088468 37858456 37868337 37168181 36968126 36598170 36368266 36518413 37088468 0.05 45647152 44577136 43427153 42847173 42447225 42387341 42577394 43167329 44187254 44977223 45557241 0.05 30108858 29928915 30198937 30478921 30778886 31528782 32058695 33028618 33758547 35388050 35417950 34787962 32798294 31148439 30658569 30388653 30238727 30088783 30108858 && ... HAIL ... 0.05 34489730 33619826 31609889 31070015 31320065 31700087 32670108 34400023 35549952 37419903 37979711 37869592 37479513 37009460 36389381 35869455 35219639 34489730 0.05 36787753 36737808 36097934 35778068 35988165 36438206 37088129 37667913 37677721 37187680 36907710 36787753 && ... WIND ... 0.05 32480128 33230089 33900052 34530087 35460041 36149933 37299839 37279527 36529436 35429451 34839457 34299463 33639414 33209410 32949447 32419542 32029599 31399712 30949746 30609776 30309818 30279848 30259912 30299946 30600001 31210104 31570129 32480128 0.05 29118811 29818981 29918995 30468983 30988956 31688929 31868886 32238829 32388737 34688569 35648542 36058614 36268752 36768786 37878646 38378240 38798050 40337653 41237612 42177575 43667317 44657264 45497247 99999999 28417966 28068086 28278148 29418221 30348265 30418351 29418477 28828548 99999999 46077116 45216994 43526783 0.15 36037424 36177577 35947740 35637951 34767960 32408367 32068439 32398503 33138519 33938447 35008169 35988175 36308271 36408411 36178564 36728627 37398599 37828410 38008278 38188107 38947700 38367339 0.15 42226993 41307211 40867386 41717521 42257535 43437306 44847208 45217213 45327186 45327135 45347098 44347031 42646964 42226993 0.15 32990039 33989916 33949883 33619778 33509719 33239668 32969649 32519649 32229678 32089728 31879759 31469802 31229820 31059875 31169959 31980061 32990039 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 32990039 33989916 33509719 33239668 32969649 32519649 32229678 32089728 31879759 31229820 31059875 31169959 31980061 32990039 SLGT 36107500 36177577 35637951 34767960 32798294 31148439 30388653 30088783 30108858 29928915 30198937 30478921 30778886 32058695 33028618 33758547 35008169 35988175 36308271 36408411 36178564 36728627 37398599 37828410 38188107 38947700 38527440 SLGT 45647152 45327147 45347098 44347031 42916975 99999999 42636964 42226993 41307211 40867386 41717521 42257535 43407311 44187254 44977223 45477239 MRGL 45977101 45216994 43596791 99999999 28337994 28068086 28278148 29418221 30348265 30418351 29008526 99999999 29188829 29508906 29438939 29518963 29808978 29918995 30369011 31298991 31788950 32238829 32298794 32688715 34688569 35648542 36058614 36268752 36768786 37878646 38378240 38798050 40337653 42177575 43747313 44557277 45107267 45487284 MRGL 32480128 33900052 34530087 35460041 36129937 37419903 37979711 37869592 37479513 36389381 35949444 34299463 33639414 33209410 31399712 30609776 30309818 30299946 31210104 31570129 32480128 TSTM 31181164 32271132 32931146 33761212 34171270 34801313 35511292 35901249 36181145 36030957 35810853 35920786 36000732 36410682 36920661 37230643 37710574 37830472 37720419 37350385 36600353 36290321 36210244 36840181 37919974 38659742 39189422 39259149 39198975 39378379 39678074 40147856 40717774 41627756 42607789 43247853 44077865 99999999 23918103 24508106 25148135 25608184 25968228 99999999 49669714 48839639 47129544 46269474 45879403 45679335 45669267 45869187 46249121 46499060 46728968 46638837 46358631 45878543 45308512 44418585 43828709 41989040 41629136 41689404 42349589 43339954 43740338 44230600 45060867 45881117 46771292 47811435 49431663 99999999 29089242 29459323 29699390 29999470 30219518 30389587 30269663 29529793 28899865 27899923 26439950 99999999 39192272 39862347 41342398 42122390 42592352 42812300 42982178 42912051 42421944 41291850 39851772 39031698 38491588 38161566 37511610 36891679 36291774 35971858 36281955 37102059 38442178 39192272 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 55 NW ABI 40 W SPS 35 WSW GYI 30 NNE DAL 20 ENE DAL 35 N CRS 25 WNW CRS 30 N ACT 25 NW ACT 45 W TPL 55 SSE BWD 45 NNE JCT 45 N SJT 55 NW ABI THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 70 NNE HSE 25 ESE ECG 30 NNW SOP 35 SSW SOP 40 E MCN 30 SSW ABY 30 S CEW 50 SSE MOB 35 SE GPT 35 S GPT 25 SW GPT 10 WNW GPT 30 NNE GPT 20 S SEM 45 SSW ANB 25 ENE ANB 15 ENE SPA 25 NW HKY 20 SW TRI 40 N TYS 35 WNW CSV 20 SSE BWG 35 NE BWG 30 ESE LEX 30 N BKW 0 - DCA 65 S ACY THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 60 NE EFK 50 NNW BML 50 NNE BML 25 W AUG 60 SSE PWM ...CONT... 75 NNE HYA 40 NNE HYA 0 - GON 15 NNW JFK 20 W MSV 30 E BGM 10 SW RUT 0 - MPV 0 - EFK 40 N EFK THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 90 N BML 60 N AUG 65 SSE BHB ...CONT... 45 ENE MLB 15 W MLB 20 SSW ORL 15 N OCF 50 NNW GNV 30 SSW VLD 50 SSW AAF ...CONT... 70 E BVE 25 ENE BVE 0 - BVE 20 NW BVE 30 ESE MSY 20 ESE MSY 15 W ASD 35 ENE MCB 25 NNW PIB 30 ESE MEI 45 E MEI 25 NNW SEM 35 SW CHA 30 SW CSV 30 E BNA 25 SSW CKV 20 WNW HOP 40 ENE OWB 10 E HTS 35 W EKN 20 ENE CXY 10 E BGM 15 NNW RUT 20 ENE BTV 25 WNW EFK 50 NW EFK THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 20 NE BGS 40 SSW CDS 35 WNW CDS 60 ESE BGD 25 ESE GAG 25 WNW P28 30 NE ICT 25 WNW CNU 25 SE CNU 35 S UMN 15 WSW FYV 20 NW DEQ 15 NNW TXK 20 SSW TXK 15 SSE ACT 20 N AUS 30 W AUS 25 SE JCT 35 WSW SJT 45 SSE BGS 20 NE BGS GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 75 SSW TUS 25 WNW TUS 45 SE PHX 25 NNW PHX 35 SSW PRC 40 WNW PRC 55 SW GCN 20 W GCN 40 ENE GCN 55 NW GUP 25 NE GUP 50 N GNT 20 W 4SL 30 NNE 4SL 55 SW ALS 35 WSW ALS 20 NNE ALS 35 SSW PUB 30 NNE TAD 25 ENE TAD 25 WNW CAO 10 SSW CAO 15 NNE DHT 10 SSE EHA 15 NE DDC 15 SE SLN 20 ENE MKC 50 SSW UIN 25 NE ALN 45 SSE DAY 35 S HLG 15 SW AOO 10 SSE UNV 40 NW IPT 40 SSW ROC 25 NNE BUF 80 N BUF ...CONT... 55 S MTH 15 S MTH 35 NNW MTH 40 S APF 35 WSW APF ...CONT... 65 N HCO 25 ENE HCO 30 NE DTL 30 WSW BRD 20 N STC 35 ENE STC 60 NNE MSP 70 SSE DLH 25 SW ASX 15 ESE ASX 25 ENE IWD 40 S CMX 60 NE ESC 35 NW PLN 25 SW PLN 25 SSW TVC 35 SE MTW 35 SSE DBQ 25 SE CID 20 WNW DSM 25 E SUX 30 SSW 9V9 25 SW RAP 25 WSW GCC 40 NNE COD 0 - BZN 15 ENE 3DU 35 S GPI 130 NNE GEG ...CONT... 50 SSW 7R4 45 S LCH 20 SSE BPT 45 N GLS 40 N HOU 35 SW UTS 25 SW CLL 15 SSE BAZ 45 SSW SAT 30 NNE LRD 75 S LRD ...CONT... 25 E UKI 50 NNW UKI 25 NNE ACV 20 E 4BK 35 WNW MFR 30 NNW MFR 55 N LMT 50 N LKV 50 ENE LKV 45 NW WMC 40 NW U31 35 SSE U31 70 S P68 70 WNW P38 60 N DRA 45 WNW DRA 40 N NID 45 NE BFL 35 SSE FAT 15 SSW MER 15 WSW SAC 25 E UKI