Day 1 Areal Outline

Issued: 2026-07-27 13:01 UTC

Summary

Severe thunderstorms capable of producing tornadoes, large hail, and damaging winds are expected across parts of the central and eastern United States on Monday, July 27. An enhanced risk of severe weather is forecast for areas including parts of Missouri, Illinois, and Indiana, while slight and marginal risks extend across much of the Midwest, South, and Northeast.

Product Text

000 WUUS01 KWNS 271301 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0800 AM CDT MON JUL 27 2026 VALID TIME 271300Z - 281200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 41708382 40948354 39928340 39108355 38678394 38098502 38068608 38148721 38708915 39249031 40239118 40999123 43479157 44799140 45489104 45939024 45898890 45748798 45448745 44378573 42958458 42208409 41708382 && ... HAIL ... 0.05 42308188 40538216 39048330 38768535 39158741 41089025 45479144 47469188 49049231 0.05 44950306 44140120 43390028 42669997 41579955 40919951 40399961 39949994 39440031 38970075 38760143 38730190 38700226 39050329 39840347 40530305 41450275 42120276 42790322 43130367 43950450 44810420 44950306 0.15 42758978 45239001 45778945 45628853 44678712 43678629 42798583 41908499 41088545 40518699 40848822 41368924 42048940 42758978 && ... WIND ... 0.05 36537496 35677687 35897842 36787803 37437784 37957810 38157893 37438008 36698077 35928359 35418435 35048599 35158676 35448820 36118969 37229149 38589284 39649304 40899273 42219252 46349178 49179237 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 38130273 41110544 42710585 44390597 46070487 46340383 46050157 45470048 44479953 0.15 39030123 38770175 38750244 39230313 40090351 40730342 41120325 41700329 42070339 42460368 42840403 43370436 44140466 45000407 45060332 44750226 44410155 43260098 42370066 41330046 40290049 39030123 0.15 42917937 40497942 38868061 37328292 37188715 38759017 40259133 42309164 44409103 46098900 46658751 46968600 47198403 0.30 42968370 42358312 41088318 39718426 39118552 39318734 39798836 40438949 41389005 42409028 43469039 44388937 44518805 44318684 43778535 43418438 42968370 CIG1 42619981 39239993 38300109 38240202 38310293 39670401 41060455 43620506 44770491 45650487 46130457 46330365 46160267 45620173 44910102 44220062 42619981 CIG1 42269153 44089067 45208917 45418750 45318641 44428504 42188298 40608299 39888322 39268383 38578574 38668781 39418969 40419127 42269153 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... ENH 44388937 44518805 44318684 43418438 42968370 42338312 41088318 39718426 39118552 39318734 40438949 41389005 42409028 43469039 44388937 SLGT 45000407 45060332 44750226 44410155 43260098 42370066 41330046 40290049 39030123 38770175 38750244 39230313 40090351 40730342 41120325 42070339 42840403 43370436 44140466 45000407 SLGT 42917937 40497942 38868061 37328292 37188715 38759017 40259133 42309164 44409103 46098900 46658751 46968600 47158440 MRGL 31201153 32821200 33261178 33481128 33281052 32010939 31020889 MRGL 44067812 42217826 41807738 41877577 41687440 41257381 40067334 99999999 36457515 35677687 35897842 36787803 37437784 37957810 38157893 37438008 36698077 35928359 35418435 35048599 35448820 36118969 37229149 38589284 39649304 40899273 46349178 48969233 MRGL 46070487 46340383 46050157 45470048 44479953 41909747 41069723 39719755 39119809 38320009 38010114 38130273 41110544 42710585 44390597 46070487 TSTM 47756904 43417158 40167266 39547266 99999999 31551334 32181326 32941322 33801353 34711420 36091481 37521446 38651443 39121485 39641561 40161572 40541529 40831468 42991316 43851339 44611284 45391232 46391181 47540995 48510667 48830398 48210134 46399908 44539787 42579755 42109645 42079465 42929336 44389311 44929330 46139362 49879432 99999999 28438971 28888980 30489036 31609039 33498993 35568978 36469044 37689356 38129463 38219657 37909782 37149998 36080153 34870322 33020454 30030549 99999999 34258064 35787891 37097811 37807814 37917899 37238004 36578068 36138258 35748361 35398399 34798324 34418182 34258064 && THERE IS A ENHANCED RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30 SSE CWA 0 - GRB 30 W MBL 15 WSW MBS 0 - FNT 15 ENE DTW 25 E FDY 15 S DAY 65 N SDF 10 S HUF 20 SSE PIA 25 ESE MLI 20 E DBQ 20 NNW LNR 30 SSE CWA 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 35 SW SNY 15 W SNY 15 NE BFF 55 N TOR 65 NE DGW 45 ESE GCC 50 SW 2WX THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30 W BUF 15 N LBE 40 W EKN 30 ESE JKL 35 S OWB 10 SSW ALN 20 NNW UIN 30 N CID 40 NNE LSE 40 NE RHI 10 NNE MQT 80 ENE MQT 45 N ANJ 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... 60 ENE ECG 45 NNE EWN 20 E RDU 0 - AVC 30 W RIC 25 ESE CHO 10 S SHD 10 NW ROA 30 S PSK 25 ENE TYS 35 SW TYS 45 W CHA 40 ESE MKL 20 WNW DYR 40 NNE UNO 35 WSW COU 30 ESE CDJ 20 SW OTM 40 SSE DLH 55 ENE INL 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 40 N DDC 25 WNW GCK 0 - LAA 20 SE LAR 25 W DGW 20 W GCC 35 SW BHK GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 75 NW CAR 15 NNW CON 50 SSE ISP 90 SSE ISP ...CONT... 100 SSW GBN 60 SSW GBN 30 W GBN 75 NW GBN 25 E EED 20 E LAS 10 SSE 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 25 W MQM 15 NE DLN 15 SSE HLN 40 NNW LWT 20 N GGW 50 NNW ISN 0 - MOT 40 SSW JMS 20 ENE HON 25 SSW YKN 20 S SUX 40 SW FOD 15 S MCW 35 S MSP 0 - MSP 30 SE BRD 80 NE RRT ...CONT... 65 SSW BVE 40 SW BVE 35 N MSY 30 N MCB 10 E GWO 40 NNE MEM 20 S POF 35 NNW SGF 50 S OJC 25 WSW EMP 10 SSE HUT 45 S DDC 25 NNW BGD 30 SE TCC 20 S ROW 90 WSW MRF ...CONT... 35 NE CAE 10 SW RDU 30 N AVC 30 SE CHO 25 S SHD 0 - ROA 40 S PSK 20 NE HSS 25 ESE TYS 30 S TYS 35 NW AND 35 SSE SPA 35 NE CAE