Day 1 Areal Outline

Issued: 2026-08-13 01:00 UTC

Summary

A slight risk of tornadoes, large hail, and damaging winds exists for portions of the central and eastern United States on Wednesday. Marginal risks for severe thunderstorms are also expected across much of the midwest and eastern regions through Thursday.

Product Text

000 WUUS01 KWNS 130100 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0758 PM CDT WED AUG 12 2026 VALID TIME 130100Z - 131200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 40909950 40860096 41290136 41890137 42250105 42470062 42529881 42419730 41949404 41409354 40869373 40589410 40579571 40649671 40759813 40909950 && ... HAIL ... 0.05 40900404 43550487 44320531 45910606 46130619 46720676 47020664 47210618 47490439 47220400 46540293 46180211 46160080 46619853 46479762 46099705 44049626 43129543 42519396 41899334 41349340 40829379 40669521 40299824 39470264 39910344 40900404 0.15 42810263 43020214 43030124 42790093 40990093 39960131 39760228 40610288 42250292 42810263 CIG1 40000227 40600286 42290290 42800261 43000217 42970075 42720053 42110041 40740077 40030160 40000227 && ... WIND ... 0.05 47420483 47480439 47250406 46550290 46180210 46170081 46459946 46629851 46419728 46039635 45519621 44609615 44049555 43599438 42939306 42549259 41599235 40969241 40459298 40249404 40009615 40029913 39450263 39900344 40870401 42840463 43570488 44370534 45940606 47190550 47420483 0.05 32371552 33691578 34741567 35431534 36151454 36101394 35501345 34431343 33371412 32161448 0.05 36349006 37439073 38008996 37458714 37328390 37168321 36228318 35548436 35318589 35328802 35948969 36349006 0.05 42127876 42337882 42707804 42527655 42147525 41597398 41107383 40857404 40957504 41257590 41777725 42127876 0.15 42629389 42139337 41599330 41149351 40779387 40669518 40679632 40299929 39690255 40020307 40600341 41120377 42470372 43080233 43739944 43619782 43379609 43119486 42629389 CIG1 40619762 39760231 40640289 42270292 42810263 43050206 42899801 42759607 42649534 42389446 42039388 41979371 41569349 41169357 40889391 40759474 40779621 40619762 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 42470372 43080233 43739944 43619782 43379609 43119486 42629389 42139337 41599330 41149351 40779387 40669518 40679632 40299929 39690255 40020307 41120377 42470372 MRGL 32371552 33691578 34741567 35431534 36151454 36101394 35501345 34431343 33371412 32161448 MRGL 38008996 37458714 37328390 37168321 36228318 35548436 35318589 35328802 35948969 36349006 37439073 38008996 MRGL 42707804 42527655 42147525 41597398 41107383 40857404 40957504 41777725 42127876 42337882 42707804 MRGL 47020664 47210618 47490439 46550290 46180210 46170081 46629851 46419728 46039635 45519621 44609615 44049555 43599438 42939306 42549259 41599235 40969241 40459298 40249404 40009615 40029913 39450263 39900344 40900404 43560488 46130619 46720676 47020664 TSTM 32321571 33831634 35271673 36321827 37821963 39332012 40002026 40531993 40661862 41141667 41911464 42411347 43081229 43701193 44181249 45001439 46691553 46961655 46711801 46311961 46422110 47182176 48172191 49432167 99999999 28818841 29458953 29848981 30518919 31138743 32018678 33038675 33798725 35238950 36049166 36879340 37079358 37359366 37619350 38009320 38359328 38849373 39199439 39229553 39179810 39060011 38780115 38290215 37220351 36320413 34910473 32790423 33220322 34120176 34380119 34250058 33840013 32990094 31910186 31090215 30130229 29280231 99999999 49349855 48829514 47819320 46659192 45529215 44769303 44109347 43469287 42169095 40998989 40488883 40198721 39868513 39678306 39568176 40378139 40998207 41658351 42288496 43128521 43668464 43738378 43598249 43628151 99999999 46217064 44397010 43036964 99999999 38337425 38547558 38497619 38197686 36857843 34848018 32948202 31838270 30848264 30028168 29748048 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 NE TOR 45 ENE CDR 0 - 9V9 15 SE MHE 30 SW OTG 15 ESE SPW 15 ENE FOD 45 NNE DSM 20 NNW OXV 30 SSE DSM 10 NNE LWD 15 ESE SDA 25 ESE LNK 35 SSW EAR 35 NNW ITR 15 SE AKO 55 S BFF 35 NE TOR THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30 S IPL 25 E TRM 60 W EED 45 SSW LAS 35 E LAS 60 N IGM 30 ENE IGM 65 SSE IGM 40 ESE BLH 35 SSE YUM THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30 ENE FAM 20 S OWB 20 NNE LOZ 30 SSE JKL 30 NW HSS 30 SW TYS 45 WNW CHA 45 NNW MSL 15 WSW DYR 35 SE POF 30 SW FAM 30 ENE FAM THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 35 SSW ROC 0 - ITH 40 NW MSV 0 - POU 35 N JFK 10 NNE EWR 30 NE ABE 35 SSW ELM 25 NNW BFD 25 ENE JHW 35 SSW ROC THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 55 NW MLS 55 NNW MLS 15 SSW SDY 20 SSW DIK 20 N Y22 40 S BIS 25 SSE JMS 40 SSW FAR 50 N VVV 15 NE VVV 40 ENE BKX 25 N OTG 0 - FRM 20 SE MCW 10 W ALO 35 N OTM 10 SSE OTM 35 NW IRK 25 SSW LWD 30 W FNB 50 S EAR 25 NW ITR 25 SSW AKO 45 ESE CYS 60 NNE DGW 25 SW MLS 45 WNW MLS 55 NW MLS GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 SSW IPL 15 NW TRM 30 N DAG 55 NW NID 60 NE MER 20 WSW RNO 45 NW RNO 70 N RNO 40 N LOL 40 NNE BAM 40 SSW TWF 20 ESE BYI 20 NE PIH 15 NNE IDA 30 SSW MQM 25 WSW SMN 35 N P69 30 ENE PUW 45 NNE ALW 50 ESE YKM 30 WSW YKM 30 SE SEA 55 NNE SEA 60 NE BLI ...CONT... 70 ESE BVE 10 NW BVE 30 ESE MSY 10 NW GPT 30 SW GZH 25 SSE SEM 35 S BHM 35 WNW BHM 30 ENE MEM 20 N BVX 25 S SGF 15 SW SGF 20 WNW SGF 30 NNW SGF 55 N SGF 30 SSE SZL 15 NW SZL 15 ENE MKC 10 NNE TOP 35 SW CNK 25 SW HLC 50 SE GLD 35 ENE LAA 55 S LHX 35 SE RTN 55 SSE LVS 30 N CNM 35 N HOB 0 - PVW 35 ENE PVW 20 SW CDS 40 SSE CDS 60 NNE BGS 20 E MAF 45 ENE FST 10 NW 6R6 55 S 6R6 ...CONT... 85 N DVL 10 SE RRT 35 NNW HIB 15 SE DLH 55 NW EAU 10 SE MSP 25 ESE MKT 30 NE MCW 20 SW DBQ 25 NNW PIA 0 - BMI 20 SW LAF 30 SSE MIE 25 SSW CMH 25 NW PKB 40 S CAK 25 ENE MFD 15 ENE TOL 25 W JXN 25 NE GRR 30 WNW MBS 20 NE MBS 30 ESE BAX 75 E BAX ...CONT... 110 NNE BML 15 WNW AUG 55 SE PWM ...CONT... 80 SSE ACY 15 NNW SBY 20 NE NHK 25 WSW NHK 25 WNW AVC 55 NNW FLO 30 S AGS 30 SW VDI 30 SSW AYS 20 W SGJ 50 NE DAB