Day 1 Areal Outline
Issued:
Summary
Marginal risk of severe thunderstorms including possible tornadoes, hail, and wind is expected across parts of the central and southern United States throughout Monday, September 21, 2026. General thunderstorms are also forecasted across a wide area spanning from the Midwest and Great Lakes down to the Southwest and Texas.
Product Text
000 WUUS01 KWNS 210536 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 1235 AM CDT MON SEP 21 2026 VALID TIME 211200Z - 221200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... && ... HAIL ... && ... WIND ... 0.05 37378483 38758169 39207982 38977895 38567813 37787754 36737762 35977852 35078023 33608330 32548641 32218788 32118943 32289051 32789091 33339100 33869075 34518994 36188711 37378483 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... MRGL 33869075 34518994 37758455 38778181 39207982 38977895 38567813 37787754 36737762 35977852 33608330 32548641 32218788 32118943 32289051 32789091 33339100 33869075 TSTM 30080553 33960592 35830618 37290602 38750492 38990453 39260383 39310295 38540073 37269907 34959770 34829736 34829656 35369578 37339280 37879196 39378897 39578566 39478448 39268303 39498139 39858009 39807902 39307790 39227771 38927733 38307681 37637569 37357488 99999999 30841272 31891233 33091206 34221239 35071337 35131427 34771553 34541645 34631748 35501882 36501958 37412010 38122029 38732051 38992048 39192009 39001897 39191753 39801554 40181425 40351338 40231213 39861165 38581100 35341027 32920907 30780814 99999999 25739836 27939781 28659723 28869735 28779817 28369986 27550079 && THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 30 NNE GLH 25 WNW UOX 20 S LEX 30 NNW CRW 20 N EKN 50 N SHD 35 NNE CHO 25 NNW RIC 20 NNE RZZ 15 ENE RDU 25 S AHN 15 N MGM 50 E MEI 45 N PIB 25 W JAN 50 S GLH 10 S GLH 30 NNE GLH GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 90 WSW MRF 15 SW 4CR 15 NNW SAF 15 SW ALS 10 WSW COS 15 NE COS 10 W LIC 35 W ITR 40 N GCK 25 W P28 20 SE CHK 40 SSE OKC 45 NE ADM 35 N MLC 35 ENE SGF 10 NE TBN 30 S DEC 35 ESE IND 25 N LUK 50 S CMH 10 NNE PKB 15 NNW MGW 40 SSE LBE 10 SSE MRB 20 SE MRB 15 WNW DCA 20 W NHK 25 SSW WAL 50 SE WAL ...CONT... 145 S GBN 75 SSE GBN 25 S PHX 30 S PRC 35 ESE IGM 20 WSW IGM 50 W EED 30 SE DAG 30 SE EDW 15 ENE BFL 20 SSE FAT 25 ENE MER 55 SSW TVL 30 WSW TVL 25 WNW TVL 20 NNW TVL 35 SSW NFL 25 SW U31 30 NE P68 40 SSW ENV 25 WNW DPG 40 SSW SLC 50 WNW PUC 20 NW 4HV 35 NE INW 35 E SAD 105 SSW DMN ...CONT... 30 SSW MFE 20 NE ALI 25 SW VCT 25 W VCT 40 NW NIR 40 W COT 80 W LRD