Day 3 Areal Outline

Issued: 2026-08-20 07:31 UTC

Summary

Marginal severe thunderstorms are possible across parts of the central and southern United States on Thursday, August 21. General thunderstorms are expected throughout much of the western and central regions during the same period.

Product Text

000 WUUS03 KWNS 200731 PTSDY3 DAY 3 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0230 AM CDT THU AUG 20 2026 VALID TIME 221200Z - 231200Z PROBABILISTIC OUTLOOK POINTS DAY 3 ... ANY SEVERE ... 0.05 49601461 47591256 45381125 44391163 43911328 44101481 48331940 49471931 0.05 44427843 42087824 39317948 37198136 37168387 37478468 38548486 42028376 42778343 43928123 && CATEGORICAL OUTLOOK POINTS DAY 3 ... CATEGORICAL ... MRGL 44097840 42087824 39317948 37198136 37168387 37478468 38548486 42028376 42778343 43728162 MRGL 49521453 47591256 45381125 44391163 43911328 44101481 48331940 49471931 TSTM 29099377 30149458 31579625 32009763 33139873 34079982 34510123 35840303 34780480 34020689 32040850 30680899 99999999 49570840 47170442 41169539 38739435 36809081 35798834 35728684 36568644 40938623 42588729 45288456 47098247 99999999 46127176 46656567 99999999 31311294 32881272 33301189 33791178 34501300 36821286 37871350 37971522 38301600 38731684 37861804 37711892 38581925 40151792 41641662 42481602 43281602 43851755 44051863 45651986 46522173 49832193 && THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 80 NNE BUF 30 NE BFD 35 SE MGW 10 SW BLF 15 ENE LOZ 40 S LEX 40 NNW LEX 15 S ARB 20 SE FNT 70 E BAX THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 85 N GPI 70 S CTB 30 S BZN 30 SW WEY 60 ENE SUN 50 NNW SUN 10 SSE OMK 70 N OMK GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 60 SSE BPT 35 WNW BPT 35 SSE CRS 35 NW ACT 45 WNW MWL 35 SE CDS 35 NE PVW 30 WSW DHT 65 SSE LVS 0 - ONM 45 SSW SVC 65 SSE DUG ...CONT... 95 NE HVR 20 E GDV 30 N SDA 20 ESE OJC 20 W POF 35 ENE MKL 30 SSW BNA 30 S BWG 55 S SBN 30 ESE RAC 25 SSE PLN 100 ENE ANJ ...CONT... 85 NNE EFK 135 NNE EPM ...CONT... 115 S GBN 0 - GBN 10 SE PHX 30 NNE PHX 35 WSW PRC 45 ESE SGU 25 WNW CDC 45 WNW P38 60 ENE TPH 45 NNE TPH 40 NNE BIH 40 NW BIH 45 ESE TVL 35 E LOL 30 SW OWY 40 NNE OWY 20 SSE BOI 70 S BKE 35 NNE BNO 50 W PDT 70 NNW DLS 75 NNE BLI