Day 1 Areal Outline

Issued: 2026-08-23 06:11 UTC

Summary

There is a risk of tornadoes, hail, wind, and severe thunderstorms across much of the central and eastern United States throughout Sunday, August 23, 2026. Various regions may experience varying levels of severity, ranging from marginal to slight risks for severe thunderstorm activity.

Product Text

000 WUUS01 KWNS 230611 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0109 AM CDT SUN AUG 23 2026 VALID TIME 231200Z - 241200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... && ... HAIL ... 0.05 49830448 48580396 47980262 47520161 47300067 47089990 46639867 45899753 45289708 44869687 44399679 43959693 43599712 43159741 42939833 42819922 42529996 41900068 40580147 39660203 39220250 39130295 39680355 40730333 41540307 42090290 42600286 42970291 43480344 44350448 44940525 45100573 45260762 45160874 45090966 44881068 44641119 44361188 44281251 44331289 44541315 45501302 47211262 49571220 0.05 45667310 44767133 44307095 43437082 42767107 42227146 41427224 40927301 40377413 40247466 40227580 40327679 40777802 41367901 41757965 42098005 43218045 0.15 43500205 44240281 45250349 46060368 47040307 47300227 46950101 46250048 45550021 44530013 43820042 43400127 43500205 0.15 49490919 47940949 47130964 46410987 46171079 46501188 47701210 48351193 49411172 CIG1 44700364 45670374 46220380 46890333 47270248 47250126 46780041 46149965 45449931 44489911 43339979 42140062 41530106 40840147 40370182 39950209 39640260 39870321 40260337 41570294 42390272 43230267 43800286 44320328 44700364 && ... WIND ... 0.05 32121463 32961441 33901385 33911324 33921246 33801151 32981076 32371049 31081021 0.05 29089348 29749388 30589386 31249286 31558971 31738690 32568475 33678169 34387925 35447611 36087467 99999999 30438040 30468197 30268421 29948531 29378620 0.05 46147151 45297124 44757101 44097091 43327097 42537140 41697195 40907276 40487367 40167482 40107578 40167732 40367900 40768058 40958145 41448211 42318212 0.05 49870448 48370377 47790265 47410153 46880017 46369915 45779867 44929800 44189757 43719761 43419821 43129904 42779972 41970007 41200046 40400100 39850155 39250211 38930249 38890293 39210342 39610366 39900381 40500375 41600335 42100326 42770305 43230303 43620332 43910383 44280453 44330483 44140554 43690631 42960699 41970748 40870779 39740815 38850904 38401087 38371242 38581370 38851445 39211490 39641520 40331534 41031509 43301369 46061281 48001242 49981202 0.05 35549636 36159751 36899794 37659781 38219736 38439595 37709381 36949264 36019215 34839210 34369291 34739441 35549636 0.15 42931272 43011184 42901147 42651122 42101111 41681113 40861153 40461174 40121209 39911240 39811286 39721337 39751404 39881460 40241487 40931476 41791419 42331356 42931272 0.15 49510494 47390563 46140619 45460733 45230856 45220963 45881143 46681186 48121164 49621095 CIG1 49261075 49240493 48670439 48170361 47730264 47370155 47120087 46779998 46409931 45749867 44899800 44209761 43739767 43509812 43169904 42759981 41880013 40940065 40060134 39400197 38940249 38890294 39210342 39820375 40510375 41520337 42360310 43310305 43660335 44070406 44160430 44380499 44450609 44220710 43530845 42700928 41560984 40901027 40171080 39551194 39281291 39491390 39821461 40021485 40471492 40731496 41431481 42361407 43821337 45441242 46021211 47891161 49461088 49261075 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 40931476 41791419 42931272 43011184 42901147 42651122 42101111 41681113 40461174 39911240 39721337 39751404 39881460 40241487 40931476 SLGT 47040307 47300227 46950101 46250048 45550021 44530013 43820042 43400127 43500205 44240281 45250349 46060368 47040307 SLGT 49480495 47390563 46140619 45460733 45230856 45220963 45881143 46461174 46501188 47701210 49411172 MRGL 30448074 30468197 30268421 29948531 29498601 99999999 29139351 29749388 30589386 31249286 31558971 31738690 33678169 34387925 35447611 35967493 MRGL 32121463 32961441 33901385 33921246 33801151 32981076 32371049 31081021 MRGL 37659781 38219736 38439595 37709381 36949264 36019215 34839210 34369291 34739441 35549636 36159751 36899794 37659781 MRGL 45797140 44757101 43437082 42767107 42227146 40907276 40487367 40167482 40107578 40167732 40367900 40958145 41448211 42318212 MRGL 49480430 48530385 47520161 47089990 46639867 45899753 44869687 44399679 43959693 43159741 42819922 42589980 41200046 40400100 38930249 38890293 39210342 39900381 40500375 41600335 42770305 43090304 44090417 44280453 44330483 44140554 43690631 42960699 41970748 39740815 38850904 38401087 38371242 38581370 38851445 39211490 39641520 40331534 41031509 43301369 45331304 49521221 TSTM 29079392 31739628 33699732 34169857 34100087 34450315 34580407 34500459 34190540 33610645 33160714 32590795 32180844 31750862 30930865 99999999 31841760 34341591 37171456 37511451 37751461 37981485 38171538 38251598 38251640 38211653 38101671 37901700 37661723 37541743 37461759 37361833 37461868 37761933 38531977 39231988 39611956 40021906 42861536 43961458 45271415 46301402 47201432 47631473 47911534 47971618 47961718 47931857 47961952 48012073 48322169 48882228 50022329 99999999 49779833 45309624 45009599 44589538 44249473 43389381 42969360 37479142 34669015 33948983 33538930 33168865 32918782 32818713 32848660 32918633 33188515 34188155 34817995 36547702 37277617 38117598 38527602 38947624 39277662 39567711 39737762 39867811 39907873 39727985 39468065 39378129 39428223 39718312 40168398 40948456 41828489 42508470 43328420 46298214 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40 WNW ENV 50 SSE TWF 0 - PIH 35 SSE IDA 50 SE IDA 70 SSW JAC 55 N EVW 30 N EVW 25 SSE SLC 35 N U24 40 SW DPG 55 NE ELY 45 NNE ELY 65 N ELY 40 WNW ENV THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 20 NW DIK 45 NE DIK 15 NW BIS 40 SSE BIS 10 E MBG 15 NE PIR 40 S PIR 50 SSE PHP 45 SSW PHP 20 NE RAP 20 S 2WX 35 NNW 2WX 20 NW DIK THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 100 NNE OLF 50 S OLF 25 SW MLS 50 NNW SHR 40 S BIL 55 NNW COD 15 WNW BZN 15 SE HLN 10 SE HLN 35 WNW GTF 60 NNE CTB THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 50 NE SGJ 15 W JAX 15 SE TLH 20 NW AAF 55 SSW PFN ...CONT... 65 SSE BPT 15 SSE BPT 45 NNE BPT 25 NE POE 25 WNW PIB 25 NNE GZH 25 NE AGS 30 ENE FLO 30 WNW HSE 65 NE HSE THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 S YUM 25 NNE YUM 55 ENE BLH 40 NW PHX 40 NE PHX 60 N TUS 30 NE TUS 35 SSE FHU THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 20 W ICT 30 ENE HUT 15 ENE EMP 40 NW SGF 50 N FLP 20 SE FLP 10 NE LIT 15 SE HOT 25 SSE RKR 30 ESE CQB 25 ESE END 35 N END 20 W ICT THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 80 N BML 10 NE BML 25 N PSM 25 N BOS 20 E ORH 20 ENE ISP 10 SSE JFK 10 S TTN 30 NNW ILG 25 W CXY 20 ENE LBE 0 - CAK 15 W CLE 40 ESE MTC THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 95 NNW ISN 25 NNW ISN 10 SW N60 45 ENE BIS 20 S JMS 55 NE ABR 15 ESE ATY 0 - BKX 25 SSW BKX 15 N YKN 35 NW ONL 10 E ANW 10 ENE LBF 25 WNW MCK 25 SSW ITR 40 SW ITR 15 ESE LIC 45 N LIC 35 NW AKO 25 SE BFF 0 - CDR 20 N CDR 55 W RAP 50 E GCC 35 E GCC 15 S GCC 55 N CPR 25 W CPR 20 NW RWL 50 NNE GJT 35 WSW GJT 10 W 4HV 35 E MLF 40 WNW MLF 35 SE ELY 0 - ELY 30 NW ELY 40 SE EKO 40 ENE EKO 35 ESE SUN 25 WNW DLN 65 N CTB GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 55 ESE GLS 20 SSE CRS 35 W GYI 15 NNW SPS 40 SW CDS 10 ENE CVS 50 SSW TCC 70 ENE 4CR 15 ENE 4CR 40 SE ONM 10 ESE TCS 10 ESE SVC 35 SSW SVC 65 SSW SVC 65 ESE DUG ...CONT... 65 SSW SAN 50 NNE TRM 30 S P38 10 S P38 10 NNW P38 30 NW P38 60 NW P38 60 ENE TPH 40 ENE TPH 30 ENE TPH 20 E TPH 15 SSE TPH 30 SSW TPH 40 SSW TPH 45 E BIH 0 - BIH 20 WNW BIH 60 WNW BIH 30 SSE TVL 20 SSW RNO 15 NE RNO 25 W LOL 50 WNW TWF 35 NNW SUN 15 NW SMN 45 S MSO 20 NNW MSO 30 E 3TH 20 N 3TH 45 NW 3TH 30 NE GEG 55 WNW GEG 35 S OMK 50 NNW EAT 50 SE BLI 15 ENE BLI 90 NNW BLI ...CONT... 95 NW HCO 10 E VVV 30 SE VVV 15 W RWF 30 SE RWF 30 WNW MCW 20 SW MCW 50 SSE VIH 30 SSW MEM 35 NNE GWO 45 E GWO 35 SSW CBM 25 SSW TCL 35 NNW SEM 40 NNW MGM 45 N MGM 15 NNW LGC 30 NW CAE 45 NNW FLO 40 E RZZ 25 N ORF 25 ESE NHK 25 NE NHK 30 SE BWI 0 - BWI 35 NW BWI 0 - HGR 25 WNW HGR 35 SW AOO 0 - MGW 50 S HLG 10 E PKB 15 N UNI 25 SSW CMH 20 NE DAY 30 E FWA 40 SW JXN 20 SSW LAN 15 SSW MBS 110 NE APN