Day 1 Areal Outline

Issued: 2026-08-28 06:01 UTC

Summary

There is a marginal risk of severe thunderstorms, tornadoes, hail, and wind throughout various parts of the central and eastern United States and portions of Canada on Friday, August 28, 2026. Severe thunderstorm risks extend from the Great Lakes region down through the Mississippi Valley and into the Northeast.

Product Text

000 WUUS01 KWNS 280601 PTSDY1 DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE NWS STORM PREDICTION CENTER NORMAN OK 0100 AM CDT FRI AUG 28 2026 VALID TIME 281200Z - 291200Z PROBABILISTIC OUTLOOK POINTS DAY 1 ... TORNADO ... && ... HAIL ... 0.05 46059756 44899683 44159675 43439717 43219737 43039804 42569933 41090006 40650025 40370061 40120156 40360227 40850305 41120363 44060386 44830391 46940393 47830382 48420324 48890224 48790112 47559955 46059756 && ... WIND ... 0.05 33727713 34197898 33788152 33128421 33678510 34388522 35768326 37418041 38637834 39187706 40067467 39867239 0.05 45836673 44786864 43997001 44077060 45186990 46556848 48426729 0.05 43739549 42929644 42869903 42159962 41479982 40400005 40090055 39960143 40210236 40780323 41100444 41100606 40580779 37581164 35781314 34991415 34701526 34831612 35021669 35661658 36601539 37771374 38491376 38861415 38491529 38181591 37651673 37541713 37771754 38531814 39331788 41151546 41971325 42221127 42911045 44090991 44730888 45510592 46200402 47000390 47880374 48180320 48190252 47510134 46880052 46209920 46029756 44989612 43739549 && CATEGORICAL OUTLOOK POINTS DAY 1 ... CATEGORICAL ... MRGL 33767730 34197898 33788152 33128421 33678510 34388522 35768326 38637834 40067467 39957341 MRGL 39331788 41151546 41971325 42221127 42911045 44090991 44730888 45510592 46200402 47830382 48420324 48890224 48790112 44989612 43739549 42929644 42879847 42599926 41729975 40400005 40090055 39960143 40210236 40780323 41100444 41100606 40580779 37581164 35781314 34991415 34701526 34831612 35021669 35661658 37771374 38491376 38861415 38491529 37651673 37541713 37771754 38531814 39331788 MRGL 45716695 43997001 44077060 45186990 46556848 47666778 TSTM 49679714 48329485 47189184 45608995 44319014 42749167 41909227 41019422 40209575 39199963 37930120 36490249 33970240 33100240 32490223 31780097 31139869 31059629 31769298 32219062 33158818 36168407 39737856 41177497 42177327 43657143 46046984 48316911 99999999 27479620 27579648 27579746 27309837 26239958 99999999 49280921 49280921 48600913 47610910 47220897 46440860 46170693 46490630 47100609 48560617 49720571 99999999 31941625 33751708 34121763 34141770 34551942 35092042 35432081 36372181 37052217 37202221 37412213 37692179 38002085 38432005 38901967 41121970 44851807 46711794 47271764 48311560 49401275 && THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 50 SE ILM 35 N CRE 25 WSW CAE 35 SSE ATL 45 N LGC 0 - RMG 25 WSW HSS 35 N CHO 15 SSE TTN 50 SSE JFK THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40 WSW U31 30 NE EKO 50 SSE BYI 65 N EVW 30 NW BPI 55 NE JAC 15 NNE COD 25 WNW 4BQ 15 SE BHK 25 SSW ISN 25 NE ISN 60 NW MOT 35 NNE MOT 25 SSE VVV 0 - OTG 35 N SUX 30 NNE ONL 30 WNW ONL 20 NNW BBW 30 ENE MCK 10 SSE MCK 40 SSE IML 45 WSW IML 25 SSW SNY 20 E CYS 25 SW LAR 15 WNW CAG 30 ESE BCE 60 NE IGM 20 SW IGM 35 W EED 35 E DAG 15 NNE DAG 55 NNE DAG 35 W CDC 40 W MLF 45 SE ELY 60 SSW ELY 35 SSE TPH 35 S TPH 35 SW TPH 75 SSE NFL 40 WSW U31 THERE IS A MARGINAL RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 55 N EPM 25 SSW AUG 30 NNW PWM 60 N AUG 30 SW CAR 55 NNE CAR GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 65 N HCO 50 SSE RRT 20 W BFW 25 W RHI 25 NNE VOK 40 ENE ALO 30 W CID 30 NNW LWD 10 NW FNB 15 SE HLC 25 W GCK 35 N DHT 40 WNW LBB 50 SW LBB 35 N MAF 40 NW SJT 50 SSE BWD 35 N CLL 0 - IER 30 WSW JAN 35 SSE CBM 25 N TYS 40 SSW AOO 40 SSW MSV 20 S PSF 0 - LCI 100 NNW BGR 110 NNW CAR ...CONT... 85 S PSX 65 ESE CRP 15 S CRP 35 SW ALI 90 S LRD ...CONT... 55 NNE HVR 55 NNE HVR 30 E HVR 40 NNE LWT 25 ENE LWT 45 N BIL 55 WSW MLS 20 WNW MLS 45 NNW MLS 30 NE GGW 110 N OLF ...CONT... 50 SSE CZZ 25 ESE RAL 15 NW RAL 20 NW RAL 25 NNW OXR 15 N SMX 20 SSW PRB 15 S MRY 25 SSW SJC 20 SW SJC 10 WNW SJC 25 NNE SJC 20 ENE SCK 35 S TVL 20 E TVL 50 ESE AAT 10 W BKE 45 NNE ALW 25 SSW GEG 50 NNW 3TH 55 NNW CTB