Day 1 Areal Outline

Issued: 2026-08-09 05:17 UTC

Summary

Severe thunderstorms, including a slight risk of tornadoes and hail, are expected across much of the central and eastern United States on Sunday. Marginal risks for severe thunderstorms also extend across parts of the southern Plains and into the Northeast throughout the day.

Product Text

000 WUUS01 KWNS 090517 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 1215 AM CDT SUN AUG 09 2026 VALID TIME 091200Z - 101200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... 0.02 42649050 42708933 42248513 41648435 40778445 40178505 40028657 39978949 40639143 41379184 41969147 42249109 42649050 && ... HAIL ... 0.05 45669777 43599314 42799038 42798757 42848492 42368421 41818414 40978439 39918724 39819060 40679256 42069528 42369633 42729894 42660065 42300085 41280092 40590089 40060156 40240233 40810278 41700325 43990398 48580475 49360474 49430347 47510062 46079842 45669777 0.15 48520321 45809982 44469857 44059966 44130127 45180338 46890379 48030400 48430398 48570368 48520321 CIG1 47950249 46770126 45440013 44680020 44450128 44620219 45250317 47130360 47650371 47980332 47950249 && ... WIND ... 0.05 43946745 44676905 45396946 46586875 48036897 0.05 31591291 32461297 33361305 33631297 33921270 34081228 34041166 33771070 33491015 33120962 32920950 32580957 32160991 30911018 0.05 35308019 34658067 34108158 33948227 34238364 34398417 34828441 35528427 35978291 36548206 37078108 36958032 36447979 35308019 0.05 49850277 48680182 46620015 45319755 44719215 43998859 43538364 42848102 42497996 41947994 41208028 40628130 39958312 39328483 38908684 38918926 39239054 40469338 41739514 42349660 42960025 44490297 44980364 46230405 48040475 49820563 0.15 43649106 43168874 42868548 42268380 41708350 41188374 40658441 40318486 40008624 39888744 40248933 40729108 41129163 42179294 43709422 44269390 44309331 43949224 43649106 0.15 43910105 45320255 47670393 48180396 48460397 48730361 48760325 48530256 48130214 46330065 44859842 44659787 44279762 43779777 43509801 43379873 43499975 43910105 CIG1 43960105 44620199 45270212 45780154 45870086 45449967 44729805 44459760 44039715 43609680 43319708 43239770 43349873 43650013 43960105 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... SLGT 44269390 44309331 43649106 43168874 42868548 42268380 41708350 41188374 40318486 40008624 39888744 40248933 40729108 42179294 43709422 44269390 SLGT 48460397 48730361 48760325 48530256 48130214 46730099 45759977 44859842 44659787 44279762 43779777 43509801 43379873 43499975 43910105 44140130 45180338 48030400 48460397 MRGL 31591291 33361305 33631297 33921270 34081228 34041166 33771070 33491015 33120962 32920950 32580957 32160991 30911018 MRGL 35528427 35978291 36548206 37078108 36958032 36447979 35308019 34658067 34108158 33948227 34238364 34398417 34828441 35528427 MRGL 49490248 47880117 45669777 45239680 44719215 43998859 43538364 43048177 99999999 42808089 42497996 41947994 41208028 40628130 39328483 38908684 38918926 39239054 40469338 41739514 42349660 42729894 42660065 42300085 40590089 40060156 40240233 40810278 41700325 43990398 47630459 49470546 MRGL 43946745 44676905 45396946 46586875 47906895 TSTM 43927727 42667679 41637701 40917772 40227870 39757863 39527623 39907408 42027251 42977125 43597137 45427265 99999999 49669368 48199463 47559440 47509306 47759168 48688872 99999999 31951762 33851748 34811710 35501644 36391563 37101541 37771630 38021709 37961745 37801768 37461785 36721747 36451738 36181756 36011794 36021838 36421895 37371964 37862003 38352015 38701995 38871931 39251855 40881657 42091547 42981278 43521023 43750731 43830568 44360487 45120472 45990472 47270502 47960572 48530725 49431004 99999999 28200089 30510056 32269990 34099631 35419302 35948993 36228895 36628856 37078852 37448877 37728932 37818988 37799156 37419559 36359895 35110153 33140522 31920723 31090771 && THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 0 - MKT 40 S MSP 20 SSE LSE 30 E MSN 0 - GRR 0 - ARB 20 ENE TOL 10 NNW FDY 30 E MIE 20 N IND 25 SSE DNV 25 SW BMI 0 - BRL 40 SW ALO 10 ENE FRM 0 - MKT THERE IS A SLIGHT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 25 NW ISN 40 N ISN 45 NNE ISN 55 ENE ISN 45 NW N60 10 WSW BIS 35 ENE MBG 35 NNW HON 25 NE HON 30 ESE HON 15 E MHE 20 S MHE 40 SE 9V9 30 SW 9V9 30 ESE PHP 15 ENE PHP 30 SSE 2WX 25 NNE SDY 25 NW ISN THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 95 S GBN 35 NW GBN 50 NNW GBN 55 SSW PRC 40 SSE PRC 45 NNE PHX 55 SW SOW 55 S SOW 20 N SAD 10 ENE SAD 20 S SAD 45 NNE FHU 45 S FHU THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 25 SW TYS 0 - HSS 20 ENE TRI 15 SSE BLF 25 ESE PSK 25 NNE GSO 45 E CLT 40 SSE CLT 30 WNW CAE 45 NNW AGS 25 NW AHN 55 NNE ATL 45 ESE CHA 25 SW TYS THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 100 NNW MOT 20 NE N60 35 ENE ABR 20 WSW VVV 35 WSW EAU 0 - OSH 20 E MBS 60 ENE MTC ...CONT... 60 NW ERI 30 NNE ERI 15 SE ERI 20 E YNG 20 SSE CAK 25 NW LUK 20 SW BMG 25 NW SLO 35 NNW STL 30 ESE LWD 20 SE DNS 10 WSW SUX 20 NW ONL 15 SSW VTN 20 NNE MHN 30 NNW MCK 30 S IML 40 WSW IML 25 SSE SNY 20 SE BFF 45 W RAP 20 WSW SDY 95 N OLF THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 60 SE BHB 15 SW BGR 50 NW BGR 40 WSW CAR 85 NNW CAR GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 60 NNE ROC 20 NW ITH 25 N IPT 10 ENE UNV 20 WSW AOO 40 SSW AOO 35 NE BWI 15 SE NEL 10 NE BDL 20 SE CON 0 - LCI 40 NNW EFK ...CONT... 75 N INL 50 NNE BJI 25 E BJI 15 NW HIB 15 SE ELO 105 N CMX ...CONT... 60 SSW SAN 0 - RAL 20 W DAG 50 NNE DAG 30 SE DRA 45 NE DRA 45 ESE TPH 0 - TPH 20 WSW TPH 40 WSW TPH 30 ENE BIH 75 N NID 55 NNE NID 35 N NID 25 NNW NID 45 WNW NID 50 ESE FAT 40 N FAT 50 NNE MER 40 SSW TVL 15 S TVL 35 E TVL 20 SSE NFL 25 NE BAM 40 ENE OWY 10 WNW PIH 25 ESE JAC 35 ESE WRL 35 SSW GCC 35 E GCC 40 ESE 4BQ 35 SW BHK 15 NW GDV 10 SW OLF 35 NW GGW 60 NNW HVR ...CONT... 80 S DRT 45 W JCT 15 SW ABI 10 NNE DUA 10 NNE RUE 30 W DYR 30 ENE DYR 35 SSE PAH 15 E PAH 25 N PAH 0 - MDH 30 E FAM 25 SSE VIH 20 SSW CNU 35 SSW AVK 15 SE AMA 30 SE SRR 35 SE DMN 80 S DMN