Day 1 Areal Outline

Issued: 2026-06-18 13:03 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. A marginal risk of severe weather exists for portions of the Mississippi Valley and Midwest, while a slight risk is forecast for areas stretching from the Gulf Coast toward the Southeast.

Product Text

000 WUUS01 KWNS 181303 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0801 AM CDT THU JUN 18 2026 VALID TIME 181300Z - 191200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 30909093 32099022 33738501 33798396 33768260 33158122 32548080 32008118 31548255 30828356 30018547 29588870 29438939 29359009 29419068 30289098 30909093 0.02 45837129 44327028 42927057 41777148 40977384 41657475 42267578 42197666 41797780 41627871 41467956 41887984 43667917 0.02 37088468 37838460 37948137 38177967 38287827 37577760 36607830 36287984 36418269 36518413 37088468 0.05 45647152 44577136 43427153 42847173 42447225 42387341 42687473 42517661 43047664 44297577 45367544 0.05 29728907 29789007 30319022 30958997 31268959 31728866 32228773 32468666 32538556 32168520 31408522 30818591 30388653 30238727 29978842 29728907 0.10 30258998 30738968 31908769 32018702 31818651 31098655 30548716 30138980 30258998 && ... HAIL ... 0.05 34489730 33619826 31569890 31120011 31670053 32390075 33830078 34760079 35650052 36649939 37959712 37909510 37399320 36679340 35869455 35219639 34489730 0.05 36557360 36727806 36097934 35778068 35998152 36448284 36588392 36168584 36398676 36908700 37278684 37878519 38428237 39497913 39757548 39707321 && ... WIND ... 0.05 28839150 33289082 34339103 34919219 34669471 33569669 31099806 31009890 30940011 31460057 31810072 32490073 33240053 35200025 36459931 37549728 37709477 37539269 37358903 37878760 38448415 38888178 39638089 40368051 41987989 42717888 44087788 99999999 46807057 45266998 43026903 99999999 30547978 28688350 0.15 36037424 36177577 35947740 35617957 35848142 36318276 36408411 36178564 36728627 37658587 37998435 38008278 38268123 39167921 39197910 39717752 39967636 40617541 40827530 41807526 42027569 42207668 42537722 43037697 43817607 45417495 99999999 45757128 44497039 42966980 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 30958997 31268959 32228773 32468666 32538556 32168520 31408522 30388653 29978842 29728907 29789007 30319022 30958997 SLGT 45757128 44497039 42966980 99999999 36107500 36177577 35617957 35848142 36318276 36408411 36178564 36728627 37658587 37998435 38008278 38268123 39167921 39717752 39967636 40617541 40827530 41807526 42027569 42207668 42537722 43037697 43747616 44297577 45267547 MRGL 46797057 43216911 99999999 30108066 28688350 99999999 28839150 33289082 34339103 34919219 34669471 33569669 31099806 30940011 31460057 31810072 34760079 35650052 36649939 37959712 37909510 37659417 37358903 37878760 38888178 39638089 40368051 41987989 42077977 43667917 TSTM 49349755 48629646 47749551 46689501 45689442 45359360 45309213 45549141 46679050 47469034 48599090 99999999 36571795 36461868 36651964 37482035 39292120 41242199 42002210 42362163 42422037 41721939 40851893 39621847 38671782 38061744 37231734 36871758 36571795 99999999 44908198 45488312 45638421 45328512 44338624 42728849 41818970 41329067 40709130 40189107 39878986 39648828 39388666 39598374 40328214 40868167 41248143 42028098 42808058 99999999 31041152 31981134 32721138 33581191 34601288 35191317 35841292 36331171 36331085 36381000 36400876 36630781 36900690 37170603 37340534 37280470 36680388 36210343 36190276 36370233 37150169 38790071 40219928 40769810 41099716 41449665 42129677 42399746 42629887 42660083 42880290 43750594 45411044 47051368 48331550 49451688 99999999 29159294 29699347 30329458 30819541 30879612 30719650 29769763 28549886 27709930 26629967 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 ESE MCB 20 SW PIB 45 WSW SEM 20 NW MGM 10 SW AUO 30 SSW CSG 15 ENE DHN 30 S CEW 50 SSW MOB 35 NE BVE 20 SE MSY 20 N MSY 35 ESE MCB THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 75 N BML 30 WNW AUG 55 SSE PWM ...CONT... 70 NNE HSE 25 ESE ECG 30 NNW SOP 10 NNW HKY 25 WSW TRI 40 N TYS 35 WNW CSV 20 SSE BWG 35 SSW SDF 15 ESE LEX 30 SSW HTS 20 ESE CRW 40 ENE EKN 10 E HGR 30 SE CXY 0 - ABE 15 NNE ABE 25 WNW MSV 20 SE BGM 10 E ELM 30 NNW ELM 35 E ROC 20 SSW ART 25 NNE ART 40 NW MSS THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 150 N BML 65 ESE PWM ...CONT... 40 ENE SGJ 70 SSW CTY ...CONT... 70 SW HUM 15 SE GLH 60 N GLH 15 N LIT 25 SSW RKR 10 S GYI 40 W TPL 35 NW JCT 0 - SJT 35 NNW SJT 35 NW CDS 50 E BGD 30 NE GAG 25 NE ICT 25 NE CNU 40 NNE JLN 25 NW PAH 10 SSW EVV 35 NNW CRW 40 SSW HLG 15 NNE HLG 15 ESE ERI 20 E ERI 55 NNW BUF GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 50 NW HCO 25 ESE HCO 30 WNW BJI 60 S BJI 20 WNW STC 25 ESE STC 45 NW EAU 45 N EAU 20 WNW IWD 20 S GNA 65 NNW GNA ...CONT... 60 SSE BIH 65 SSW BIH 10 SSE FAT 15 NE MER 55 NNE SAC 20 ESE MHS 20 WSW LMT 15 NNE LMT 15 N LKV 60 ESE LKV 55 NNW LOL 15 ENE NFL 60 NW TPH 20 W TPH 60 SSW TPH 55 SE BIH 60 SSE BIH ...CONT... 75 ENE OSC 35 NE APN 30 E PLN 25 SW PLN 0 - MBL 30 ENE JVL 40 SW RFD 15 SW MLI 10 WSW BRL 15 NNE UIN 10 W SPI 10 N MTO 15 N BMG 35 SE DAY 30 NNW ZZV 15 WSW CAK 20 N CAK 40 W ERI 55 NNW ERI ...CONT... 80 SSW TUS 25 WSW TUS 50 NNW TUS 10 NNE PHX 25 W PRC 45 E IGM 45 W GCN 35 NE GCN 55 SE PGA 90 SSW 4BL 40 SW FMN 25 ESE FMN 60 N 4SL 20 SSW ALS 30 ESE ALS 20 W TAD 35 E RTN 25 SW CAO 15 NW DHT 25 NNE DHT 15 NE EHA 60 N GCK 40 SSW EAR 20 SE GRI 25 SSE OLU 35 SW TQE 30 SW SUX 30 N OFK 15 NW ONL 20 SW VTN 10 ENE CDR 45 SSW GCC 20 S LVM 20 ENE MSO 50 N 3TH 130 NNE GEG ...CONT... 70 SSE LCH 35 SSW LCH 40 NW BPT 0 - UTS 25 NE CLL 10 NW CLL 25 E BAZ 25 ENE COT 15 NE LRD 65 S LRD