Day 1 Areal Outline
Issued:
Summary
Severe thunderstorms, including the possibility of tornadoes, hail, and damaging wind, are forecast across much of the central and eastern United States on September 15, 2026. Marginal risks for these hazards are present across parts of the Midwest, Southeast, and Mid-Atlantic throughout the day.
Product Text
000 WUUS01 KWNS 160101 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0759 PM CDT TUE SEP 15 2026 VALID TIME 160100Z - 161200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... && ... HAIL ... 0.05 38959667 39489593 39919480 40279306 40159194 39779146 39439154 39039201 38639270 38369417 38229557 38269613 38419664 38959667 && ... WIND ... 0.05 42318304 41688232 40948306 40338377 38449296 37759547 36709776 35969881 35559953 35590015 35900041 36240022 38929707 39659585 40449432 41019299 41758937 42118625 42318304 99999999 32300294 33920262 34620204 34670128 34230088 33580086 32990129 32450172 32160207 32090232 32040253 32300294 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... MRGL 33920262 34620204 34670128 34230088 33580086 32450172 32160207 32040253 32300294 33920262 MRGL 36240022 38929707 40449432 41019299 41758937 42118625 42318304 41688232 40338377 38449296 37759547 36709776 35559953 35590015 35900041 36240022 TSTM 26418327 26878156 27198108 27708076 28368036 28697957 99999999 24719705 25659733 28089761 28459752 29079732 29389706 29719670 30059631 30629581 31589520 33079434 34269355 35629243 36429207 36899202 37199230 37359310 37009473 34619905 33669982 31990142 30500319 29490387 29000401 99999999 44207805 43037656 42667645 42367661 41947723 41397831 40488013 38338499 37538625 36798741 36198844 35358941 33969052 32629095 31029099 28489094 99999999 31711359 34671468 37941580 39321571 43171174 43671053 43680953 43420850 42510668 42100587 41480511 40940466 39110450 38660438 38440380 38330306 38540218 38830166 39370124 40680095 41410021 42069892 42359660 42339431 42309186 42568866 43208514 43488353 43878142 && THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 50 SE CVS 35 NNW PVW 45 NE PVW 35 WSW CDS 55 E LBB 20 NW BGS 15 NNE MAF 20 WNW MAF 30 SSE HOB 50 SE CVS THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 25 W GAG 25 SW MHK 25 WSW LWD 20 SSE OXV 35 SSW RFD 10 E BEH 15 ENE DTW 30 NW CLE 40 NE DAY 35 ESE SZL 0 - CNU 25 NNE END 25 NW CSM 55 SSW GAG 45 SW GAG 25 W GAG GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 80 SSW SRQ 30 NE FMY 35 SSE AGR 20 W VRB 25 NE MLB 75 ENE MLB ...CONT... 85 SSE BRO 20 SSE BRO 20 S NIR 10 ENE NIR 30 WNW VCT 40 NNW VCT 60 NNE VCT 35 S CLL 20 WSW UTS 35 NW LFK 35 SW TXK 30 WSW HOT 40 S FLP 25 SSW UNO 15 NW UNO 40 SSW TBN 20 ENE SGF 15 SW JLN 15 ESE LTS 60 SSE CDS 15 SSE BGS 35 SSW FST 60 S MRF 95 S MRF ...CONT... 75 NNW ROC 25 WSW SYR 10 N ITH 10 SW ITH 25 SW ELM 35 SSE BFD 0 - PIT 30 NW LEX 40 NNE BWG 10 NNE HOP 50 NNE MKL 35 WSW MKL 40 NW GWO 60 S GLH 35 NNE BTR 75 SSW HUM ...CONT... 90 SE YUM 10 SSW EED 90 N DRA 20 SE P68 30 SE IDA 10 ENE JAC 65 SSW COD 25 N RIW 30 SSW CPR 55 N LAR 25 NNW CYS 15 SSE CYS 25 NNE COS 20 ESE COS 30 NNW LHX 25 NW LAA 40 NE LAA 35 S GLD 25 E GLD 35 SSW LBF 30 NE LBF 25 NNE BUB 10 WSW SUX 15 SSW FOD 30 NNW CID 20 ESE JVL 30 NE GRR 30 E MBS 80 E BAX