Day 1 Areal Outline

Issued: 2026-07-21 01:01 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 21. Risk levels range from marginal to slight for various regions during the day.

Product Text

000 WUUS01 KWNS 210101 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0800 PM CDT MON JUL 20 2026 VALID TIME 210100Z - 211200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 46658233 44188426 42528653 41588784 41038933 40369111 40449266 41209461 42199466 42659433 43239345 44179185 44419117 45378988 46408809 47478504 0.05 44259103 45258976 45888806 45838716 45408677 44738701 44128764 43798835 43558943 43449124 43799144 44259103 CIG1 46338816 46398729 46138687 45688672 45188690 44498729 43628812 42998967 42839198 43319263 43699265 44209180 44379118 45388980 46338816 && ... HAIL ... 0.05 46238257 43948401 42898498 41388799 40539009 40429149 40569340 41219650 41619724 42149777 42869726 43239522 44049268 44429119 45209012 46458802 46968654 47538492 0.15 46908524 45948355 45218369 44008459 43538565 42608864 40949054 40749120 40809185 41199369 41549427 42549464 43129401 43559297 43849220 44279107 45138994 46268814 46938603 46908524 CIG1 43828843 42758988 40909051 40689089 40669184 41139385 41599445 42509475 43119404 44069198 44379120 44629087 45239010 45688933 45768864 45198763 44638765 43828843 && ... WIND ... 0.05 43158163 40778441 39548665 39108767 38898878 38728953 38799151 39599483 40389617 41689767 42169779 42799734 43019658 43259520 43839326 44419118 45358999 46438801 47498499 0.05 33747647 34688093 35068333 35898336 36668179 36767775 36717524 0.15 46708231 42748471 41218621 40818700 39508935 39439109 39849422 40519564 41659610 42029586 43129403 44279105 45318969 46338794 47368483 CIG1 42119427 42299388 42279320 41829194 41479075 40998975 40268917 39538946 39449103 39919332 40509431 41489461 42119427 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 45968276 42748471 41218621 39508935 39439109 39849422 40519564 41659610 42029586 43129403 44279107 45318969 46268814 47368483 MRGL 33897717 34688093 35068333 35898336 36668179 36767775 36717525 MRGL 43038177 40778441 39548665 39108767 38728953 38799151 39599483 40389617 41689767 42169779 42869726 43259520 44049268 44429119 45358999 46458802 47498503 TSTM 28799192 30299316 32509423 34149449 35059443 36099399 36679326 37229291 37759295 38039322 38239366 38639485 38919663 39739963 39830105 39740252 39340384 38870483 38270530 37300517 35590443 33550383 32240303 31580226 30690180 29150186 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 43890482 43910203 43339998 43099812 43359583 43829379 44409262 45189240 45679324 45639457 45279569 45319713 46069993 46810184 47630284 48550354 49550329 99999999 44087809 42967937 42208047 41708112 41228154 40948152 40588137 40488063 40557989 40717927 41217836 42037724 42617653 42977601 43147574 43177538 43027499 42647468 42067453 41537453 40737448 40117440 39567410 39107350 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 70 NNE APN 0 - LAN 35 S SBN 30 SE SPI 35 S UIN 35 W CDJ 20 SW SDA 10 SSE TQE 25 NE TQE 40 NNE FOD 30 NNE LSE 25 SSW RHI 30 N IMT 65 NNW ANJ THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 50 ESE ILM 35 S CLT 50 NW AND 30 W HSS 35 ENE 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 NE BLV 35 ENE JEF 15 SSE STJ 30 ENE BIE 25 SSW OFK 20 NW OFK 0 - YKN 0 - SPW 10 NW RST 35 SSE EAU 35 NNW AUW 20 WSW MQT 75 NNW ANJ GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 70 S 7R4 10 NNE LCH 25 W SHV 10 NW DEQ 10 E RKR 10 ENE FYV 30 NNW HRO 25 E SGF 45 NNE SGF 50 SSE SZL 35 S SZL 15 SSW OJC 15 S MHK 25 NNE HLC 35 SW MCK 35 NNW ITR 10 WNW LIC 0 - COS 50 SW COS 40 ESE ALS 40 E LVS 45 ENE ROW 30 SSE HOB 25 S MAF 50 NNE 6R6 65 SSE 6R6 ...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 45 SE GCC 25 WSW PHP 45 NE VTN 45 S MHE 25 SSW OTG 30 SSE MKT 35 N RST 45 ENE MSP 55 N MSP 25 WNW STC 45 SSW AXN 25 N ATY 45 NNE MBG 60 SSW N60 55 N DIK 25 N ISN 95 N ISN ...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 ENE ACY 65 ESE ACY