Day 1 Areal Outline

Issued: 2026-07-20 16:32 UTC

Summary

Severe thunderstorms, including risks of tornadoes, large hail, and damaging winds, are expected across much of the central and eastern United States on Monday. The most significant risks include an enhanced threat of severe storms in parts of the Mississippi Valley and a slight risk across portions of the Southeast and Midwest.

Product Text

000 WUUS01 KWNS 201632 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 1130 AM CDT MON JUL 20 2026 VALID TIME 201630Z - 211200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 46658233 44188426 42528653 41588784 41038933 40649106 40689236 41239433 42179510 42709537 43049518 43869394 44639271 46639166 47409020 48108677 0.02 29708612 30078544 30168477 30158425 29978371 29638335 29218319 28438351 0.05 44289254 46229136 46549040 46978904 46988827 46708741 46528710 46448645 46188617 45728656 44308637 43558659 43098744 42178920 41818981 41279096 41319205 41749351 42089390 42539407 42879403 43239387 44289254 0.10 43088977 42409108 42489269 43169282 43949159 45449019 46308930 46268865 45938807 45478800 44388849 43088977 CIG1 46888848 46698754 45718695 44728749 43038811 42348900 41459090 41489205 41929336 42529369 43169357 44179187 46448993 46888848 && ... HAIL ... 0.05 46478253 44118433 42738607 41388799 40799026 40619158 40739362 41219650 41969778 42159821 42649843 43519688 44689467 45359344 46779247 47439235 48199189 49079088 0.15 47798488 45038640 42528779 41958874 41669024 41399121 41439222 41669382 41859431 42249464 42609478 43189463 44059344 44739247 46699156 47659066 48548921 CIG1 43608787 41968858 41279119 41389276 41589387 41959462 42639506 43339482 44839256 46309161 46839106 46629030 46858879 46508772 45068737 43608787 && ... WIND ... 0.05 43158163 40778441 39548665 39108767 38928904 39129098 39999327 40629564 41129654 41909782 42329838 42649850 43129764 44719462 45719345 46439343 47539387 49349367 0.05 33747647 34578080 35068333 36078327 36688246 36767775 36717524 0.15 46708231 42748471 41648585 40818700 40178794 39779042 40099240 41049528 41649661 42199731 42609728 43179567 44009372 44759266 46789208 47669079 48718866 0.15 36147693 35787671 35307679 34837746 34547812 35218031 35818060 36128061 36428009 36347750 36147693 0.30 44408732 43628733 42978761 42638800 41918887 41329082 41439208 41589297 41819368 42049411 42489426 42859424 43349349 43959217 44809122 45579073 46349013 46788930 46958859 46928771 46378718 45438719 44408732 CIG1 43439410 44139280 45789108 46529009 47158846 46968748 46118698 44708712 43918703 43058721 42178773 41838821 41139029 40639143 41249347 41789459 42299490 42809492 43439410 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... ENH 42859424 43349349 43959217 44809122 46349013 46788930 46958859 46928771 46378718 43628733 42978761 41918887 41329082 41439208 41589297 41819368 42049411 42489426 42859424 SLGT 36428009 36347750 36147693 35787671 35307679 34837746 34547812 35218031 35818060 36128061 36428009 SLGT 45968276 42748471 41648585 40178794 39779042 40099240 41049528 41649661 42199731 42609728 43179567 44009372 44759266 46789208 47669079 48548921 MRGL 29708612 30078544 30168477 30158425 29978371 29638335 29218319 28588345 MRGL 33887718 35068333 36078327 36688246 36767775 36717525 MRGL 43038177 40778441 39548665 39108767 38928904 39129098 39999327 40629564 42159821 42329838 42649850 44719462 45719345 46439343 47539387 49149369 TSTM 28799192 30319319 32059467 32989530 33909546 34589537 36029453 36939378 37269358 37639363 37899378 38109424 38399523 38899667 39709967 39870106 39760236 39610313 39400358 39160399 38840430 38490443 37630450 36760440 35980410 35030362 34510298 34000179 33640107 33260052 32870027 32360026 31900039 31070083 30230122 29700139 29230137 99999999 31961413 32781444 33351452 33991476 34521504 34991533 35411590 35741672 35991774 36081830 36341891 36541920 37011962 37752021 38042037 38662044 39542021 40671981 41451900 42091812 42641726 42851656 42931592 42921507 42901393 42981300 43321079 43590817 43800636 43880476 43850381 43890217 43820064 43789925 43839843 44029774 44419733 44769733 45189763 45809850 46350013 46850163 47770424 48560621 49560781 99999999 44087809 42967937 42208047 41708112 41228154 40948152 40588137 40488063 40557989 40717927 41217836 42037724 42617653 42977601 43147574 43177538 43027499 42647468 42067453 41537453 40737448 40117440 39667425 39127354 38927289 38587193 38367091 38186973 && THERE IS A ENHANCED RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 20 N FOD 15 NNW MCW 15 E RST 15 ESE EAU 15 S IWD 45 ENE IWD 15 SSW CMX 30 NNW MQT 20 ESE MQT 40 SSE MTW 20 NE RAC 25 SSE RFD 20 WSW MLI 30 NE OTM 20 NNE OXV 20 N DSM 35 S FOD 0 - FOD 20 N FOD THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 25 NNW GSO 15 ESE RZZ 45 WSW ECG 45 SW ECG 20 NE EWN 10 E OAJ 20 NW ILM 35 E CLT 45 NNE CLT 40 W GSO 25 NNW GSO THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 70 NNE APN 0 - LAN 25 E SBN 20 W DNV 40 W SPI 10 E IRK 20 NNE SDA 25 WSW TQE 15 NNE OFK 25 SSE YKN 35 S OTG 20 SSE MKT 30 ESE MSP 0 - DLH 20 WSW GNA 75 NE GNA THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 45 SW PFN 20 SE PFN 30 WSW TLH 20 SSE TLH 45 WNW CTY 15 W CTY 30 S CTY 65 NW PIE THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 50 ESE ILM 50 NW AND 30 WNW HSS 15 NNW TRI 15 ENE AVC 55 ESE ORF THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 60 ENE MTC 40 WSW FDY 25 N BMG 30 SW HUF 20 NNW SLO 40 NW STL 20 NE CDJ 15 SW SDA 35 SE ONL 20 SE ONL 15 NE ONL 25 ENE RWF 30 ENE STC 35 E BRD 50 WNW HIB 40 NNW INL GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 70 S 7R4 15 N LCH 25 S GGG 45 N TYR 20 N PRX 30 SE MLC 20 W FYV 0 - UMN 10 WNW SGF 30 NNW SGF 50 NNW SGF 60 SSE OJC 40 SW OJC 15 S MHK 25 NNE HLC 35 SW MCK 35 N ITR 40 S AKO 10 NNE LIC 20 WSW LIC 25 E COS 15 NNE PUB 25 NNW TAD 0 - RTN 55 SSE RTN 10 S TCC 20 ENE CVS 10 SSW PVW 45 E LBB 75 NW ABI 45 NW ABI 35 W ABI 35 N SJT 30 SW SJT 60 NNW DRT 35 NW DRT 30 WSW DRT ...CONT... 55 SSE YUM 15 NE YUM 20 SSE BLH 25 N BLH 30 SW EED 45 WNW EED 65 SW LAS 60 N DAG 20 N NID 45 NW NID 65 N BFL 35 ESE FAT 15 NNE FAT 35 NNE MER 55 N MER 30 SW TVL 25 W RNO 70 SE AAT 75 WNW WMC 35 SSW REO 30 E REO 55 SSW BOI 45 SSE BOI 45 NW TWF 25 NNW BYI 20 WNW PIH 20 S JAC 30 SSW WRL 60 N CPR 50 SE GCC 40 WSW RAP 30 WSW PHP 45 SSW PIR 0 - 9V9 20 WNW MHE 25 NE MHE 25 WNW BKX 15 SW ATY 30 NW ATY 25 N ABR 40 SE BIS 55 S N60 0 - SDY 30 NE GGW 105 NNW GGW ...CONT... 70 NNW ROC 30 W BUF 15 WNW ERI 40 NW YNG 20 NNW CAK 0 - CAK 25 S CAK 20 N HLG 20 E PIT 30 NNE LBE 30 E DUJ 20 WSW ELM 10 NNW ITH 10 SSE SYR 20 W UCA 0 - UCA 20 ESE UCA 50 SE UCA 30 NNE MSV 20 SE MSV 15 W EWR 0 - NEL 25 S NEL 60 ESE ACY 100 ESE ACY 165 SSE ISP 195 S BID 215 S ACK