Day 1 Areal Outline

Issued: 2026-07-27 16:51 UTC

Summary

Severe thunderstorms, including risks of tornadoes, large hail, and damaging winds, are forecast across much of the central and eastern United States through July 28. An enhanced risk of severe weather exists for parts of the Midwest, with slight to marginal risks affecting much of the eastern half of the country.

Product Text

000 WUUS01 KWNS 271651 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 1149 AM CDT MON JUL 27 2026 VALID TIME 271630Z - 281200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 41708382 40948354 39928340 39108355 38678394 38058507 38678689 40258888 42398989 45289051 45908983 45898890 45748798 45438742 44128664 42978457 42208409 41708382 && ... HAIL ... 0.05 42308188 40538216 39048330 38768535 39158741 41019027 44798999 45818720 45588600 44738182 0.05 44950306 44140120 43390028 42780024 42560093 43020276 43980452 44810420 44950306 0.15 42768979 43538994 44988897 45428749 43698630 42798583 41908499 41088545 40518699 40848822 41368924 42048940 42768979 && ... WIND ... 0.05 32607927 31798162 32078329 33398331 34168225 34227927 34437841 35067788 36497724 37937813 38737928 38787994 36478185 35978330 35298466 35188555 35488695 37748984 39199220 40149270 41499180 43159073 45258991 45598941 45918796 46028712 45498439 44928183 99999999 44067812 42217826 41807738 41877577 41687440 41257381 40067334 0.05 31201153 32331188 32821200 33261178 33481128 33281052 32771005 32010939 31020889 0.05 44479953 43039832 41909747 41069723 39719755 39119809 38639920 38320009 38010114 38170277 39620406 40890329 41640226 42100285 43560539 44390597 46070487 46340383 46050157 45470048 44479953 0.15 42927939 42367936 40828065 38908206 37768237 37328294 36948428 37128709 38759017 40259133 40869139 44798991 45498808 45438514 44668170 0.15 39030123 38770175 38750244 39230313 40070348 40580317 41500162 42060154 42490310 42930385 43420438 44140466 45000407 45060332 44750226 44410155 43260098 42370066 41330046 40290049 39030123 0.30 42968370 42358312 41088318 39718426 39118552 39318734 39778832 40098891 41498926 43528901 44498806 44318684 43778535 43418438 42968370 CIG1 38708775 39788882 41618929 43498910 44528817 44598691 43368398 42188298 40608299 39888322 39268383 38578574 38708775 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... ENH 43528901 44498806 44318684 43418438 42968370 42358312 41088318 39718426 39118552 39318734 40088890 41498926 43528901 SLGT 42927939 42367936 40828065 38908206 37768237 37328294 36948428 37128709 38759017 40259133 40869139 44798991 45498808 45438514 44678176 SLGT 45000407 45060332 44750226 44410155 43260098 42370066 41330046 40290049 39030123 38770175 38750244 39230313 40070348 40580317 41500162 42060154 42490310 42930385 43420438 44140466 45000407 MRGL 31201153 32821200 33261178 33481128 33281052 32010939 31020889 MRGL 44067812 42217826 41807738 41877577 41687440 41257381 40067334 99999999 32607927 31798162 32078329 33398331 34168225 34227927 34437841 35067788 36497724 37937813 38737928 38787994 36478185 35978330 35298466 35188555 35488695 37748984 39199220 40149270 43159073 44279029 45289051 45908983 45818841 46028712 44928183 MRGL 46070487 46340383 46050157 45470048 44479953 41909747 41069723 39719755 39119809 38639920 38010114 38170277 39620406 40890329 41640226 42100285 43560539 44390597 46070487 TSTM 28408975 28888980 30489036 31609039 35018977 36499050 37189135 37799249 38519437 38559620 38219764 37149998 36100179 34790350 33070478 30550573 99999999 31551334 32221305 32931310 33691333 34831377 35971449 37441419 38651443 39121485 39641561 40161572 40541529 40831468 42991316 43851339 45091293 46031238 46821165 47191056 47050951 46930795 47150670 47890542 48540520 49460566 99999999 49470034 48969978 48329905 47679844 46929801 45879743 45139750 44369774 43689789 42809740 42169633 42079465 42929336 44389311 44929330 46139362 49879432 99999999 34558050 35787891 37097811 37577803 37847819 38037855 37977890 37497947 36578066 36138258 35748361 35398399 34798324 34418182 34558050 99999999 47756904 43417158 40167266 39547266 && THERE IS A ENHANCED RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30 NNE MSN 0 - GRB 30 W MBL 15 WSW MBS 0 - FNT 15 NE DTW 25 E FDY 15 S DAY 65 N SDF 10 S HUF 15 N DEC 30 WNW MMO 30 NNE MSN THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 W BUF 15 NNW JHW 30 S YNG 25 SSE UNI 45 SSE HTS 30 ESE JKL 15 SW LOZ 40 NE HOP 10 SSW ALN 20 NNW UIN 15 WNW BRL 10 W CWA 25 S IMT 20 WSW PLN 85 NE BAX THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 50 SW 2WX 35 SSE 2WX 60 NNW PHP 25 N PHP 35 NW VTN 35 S VTN 20 NE LBF 10 NE MCK 35 SE GLD 40 S GLD 35 SSW ITR 30 E LIC 15 WSW AKO 30 N AKO 45 SW MHN 25 W MHN 25 S CDR 40 W CDR 70 NE DGW 45 ESE GCC 50 SW 2WX THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 70 SSW TUS 40 S PHX 20 SE PHX 45 E PHX 60 WNW SAD 40 NNE DUG 50 SE DUG THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 70 NNW ROC 35 NNE BFD 35 SW ELM 25 SSE BGM 20 E MSV 25 S POU 45 SSE JFK ...CONT... 50 ESE CHS 35 SW SAV 50 SSE MCN 40 S AHN 35 SE AND 25 E FLO 30 WNW ILM 20 NW OAJ 25 E RZZ 20 SE CHO 30 ESE EKN 10 SW EKN 30 E TRI 25 W HSS 35 ENE CHA 20 WNW CHA 45 SSW BNA 40 NNW CGI 25 N COU 10 WNW IRK 30 W LNR 25 N VOK 50 WNW AUW 25 NW RHI 15 W IMT 20 N ESC 95 NE BAX THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 SW BHK 20 E BHK 30 ENE Y22 0 - MBG 50 NNW 9V9 0 - OFK 30 SSE OLU 15 NNE CNK 30 NW SLN 25 SW RSL 25 WNW GCK 10 NW LAA 30 NW LIC 20 SW SNY 40 SE AIA 0 - AIA 55 S GCC 20 W GCC 35 SW BHK GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 70 SSW BVE 40 SW BVE 35 N MSY 30 N MCB 10 E MEM 20 S POF 40 NE UNO 20 W TBN 30 SE OJC 15 N EMP 15 NE HUT 45 S DDC 35 NW BGD 30 SSE TCC 20 SW ROW 95 SSE ELP ...CONT... 100 SSW GBN 55 SSW GBN 25 W GBN 65 NW GBN 30 SSE IGM 40 ESE LAS 20 SE P38 50 SSE ELY 10 S ELY 20 ENE P68 45 S EKO 30 SE EKO 35 WNW ENV 30 W PIH 50 ENE SUN 20 WSW DLN 10 NE BTM 20 NE HLN 45 ESE GTF 0 - LWT 85 NNE BIL 75 S GGW 15 SSE OLF 35 NNE OLF 95 N OLF ...CONT... 95 NNE MOT 70 NW DVL 15 NNW DVL 40 SE DVL 30 E JMS 65 NNW ATY 20 NW ATY 25 E HON 10 SE MHE 10 S YKN 15 S SUX 40 SW FOD 15 S MCW 35 S MSP 0 - MSP 30 SE BRD 80 NE RRT ...CONT... 55 SSE CLT 10 SW RDU 30 N AVC 45 SSE CHO 25 SE CHO 10 SW CHO 20 S SHD 20 NW LYH 40 S PSK 20 NE HSS 25 ESE TYS 30 S TYS 35 NW AND 35 SSE SPA 55 SSE CLT ...CONT... 75 NW CAR 15 NNW CON 50 SSE ISP 90 SSE ISP