Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

20171023 Severe Weather Event Summary

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20171023 1200 UTC
925 mb analysis	850 mb analysis	700 mb analysis	500 mb analysis
20171023 1200 UTC
300 mb analysis	Peachtree City GA Observed Sounding	Greensboto NC Observed Sounding	Blacksburg VA Observed Sounding
20171023 1200 UTC
Surface Obs	Surface Convergence & Vorticity	Mixed Layer CAPE	Mixed Layer CAPE
20171023 1200 UTC
Most Unstable CAPE	Most Unstable CAPE	Low Level Lapse Rate	Low Level Lapse Rate
20171023 1200 UTC
CAPE in Hail Growth Layer	0-1km Shear	0-1km Shear	0-6km Shear
20171023 1200 UTC
0-6km Shear	Modified SHERBE	Sig Tor Parameter	Sig Tor Parameter
20171023 1500 UTC
Surface Obs	Surface Convergence & Vorticity	Mixed Layer CAPE	Mixed Layer CAPE
20171023 1500 UTC
Most Unstable CAPE	Most Unstable CAPE	Low Level Lapse Rate	Low Level Lapse Rate
20171023 1500 UTC
CAPE in Hail Growth Layer	0-1km Shear	0-1km Shear	0-6km Shear
20171023 1500 UTC
0-6km Shear	Modified SHERBE	Sig Tor Parameter	Sig Tor Parameter
20171023 1800 UTC
Surface Obs	Surface Convergence & Vorticity	Mixed Layer CAPE	Mixed Layer CAPE
20171023 1800 UTC
Most Unstable CAPE	Most Unstable CAPE	Low Level Lapse Rate	Low Level Lapse Rate
20171023 1800 UTC
CAPE in Hail Growth Layer	0-1km Shear	0-1km Shear	0-6km Shear
20171023 1800 UTC
0-6km Shear	Modified SHERBE	Sig Tor Parameter	Sig Tor Parameter
20171023 1800 UTC
925 mb analysis	850mb mb analysis	700 mb analysis	500 mb analysis
20171023 1800 UTC
300 mb analysis
20171023 2100 UTC
Surface Obs	Surface Convergence & Vorticity	Mixed Layer CAPE	Mixed Layer CAPE
20171023 2100 UTC
Most Unstable CAPE	Most Unstable CAPE	Low Level Lapse Rate	Low Level Lapse Rate
20171023 2100 UTC
CAPE in Hail Growth Layer	0-1km Shear	0-1km Shear	0-6km Shear
20171023 2100 UTC
0-6km Shear	Modified SHERBE	Sig Tor Parameter	Sig Tor Parameter
20171024 0000 UTC
925 mb analysis	850 mb analysis	700 mb analysis	500 mb analysis
20171024 0000 UTC
300 mb analysis	Peachtree City GA Observed Sounding	Greensboto NC Observed Sounding	Blacksburg VA Observed Sounding
20171024 0000 UTC
Surface Obs	Surface Convergence & Vorticity	Mixed Layer CAPE	Mixed Layer CAPE
20171024 0000 UTC
Most Unstable CAPE	Most Unstable CAPE	Low Level Lapse Rate	Low Level Lapse Rate
20171024 0000 UTC
CAPE in Hail Growth Layer	0-1km Shear	0-1km Shear	0-6km Shear
20171024 0000 UTC
0-6km Shear	Modified SHERBE	Sig Tor Parameter	Sig Tor Parameter