Alert archive / South Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 41, NWS Atlanta, GA

February 10, 1990Allendale County, South Carolina

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 10, 1990, 9:15 AM EST for Allendale County, South Carolina. It was in force for 45 min.

The area

The counties it named.

The facts

Issued: Feb 10, 1990, 9:15 AM EST (14:15 UTC)
Expired: Feb 10, 1990, 10:00 AM EST
In force: 45 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Allendale County, SC

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 2.3 hours before the alert went out and 127 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 42 J/kg
Mixed-layer CIN: -230 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 227 m²/s²
0-3 km storm-relative helicity: 294 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Feb 10, 8:43 AM EST, 32 minutes before

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Local storm report, Feb 10, 8:46 AM EST, 29 minutes before

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Local storm report, Feb 10, 8:51 AM EST, 24 minutes before

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Local storm report, Feb 10, 9:00 AM EST, 15 minutes before

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Local storm report, Feb 10, 9:10 AM EST, 5 minutes before

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Local storm report, Feb 10, 9:11 AM EST, 4 minutes before

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The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 9, 8:17 PM EST	Flash Flood Warning	FFC	DeKalb, Fulton	118 min
Feb 10, 3:07 AM EST	Severe Thunderstorm Warning	FFC	Murray	53 min
Feb 10, 3:25 AM EST	Severe Thunderstorm Warning	FFC	Gilmer	50 min
Feb 10, 4:55 AM EST	Severe Thunderstorm Warning	FFC	Haralson, Polk	65 min
Feb 10, 4:55 AM EST	Severe Thunderstorm Warning	FFC	Heard, Troup	65 min
Feb 10, 4:55 AM EST	Severe Thunderstorm Warning	FFC	Carroll	65 min
Feb 10, 5:18 AM EST	Severe Thunderstorm Warning	FFC	Coweta, Fulton	57 min
Feb 10, 5:18 AM EST	Severe Thunderstorm Warning	FFC	Douglas, Paulding	57 min
Feb 10, 5:38 AM EST	Severe Thunderstorm Warning	FFC	Clayton, Fayette, Fulton	67 min
Feb 10, 5:38 AM EST	Severe Thunderstorm Warning	FFC	Meriwether	67 min
Feb 10, 5:38 AM EST	Severe Thunderstorm Warning	FFC	Cobb	67 min
Feb 10, 5:55 AM EST	Severe Thunderstorm Warning	FFC	Forsyth, Gwinnett	65 min
Feb 10, 5:55 AM EST	Severe Thunderstorm Warning	FFC	DeKalb, Henry	65 min
Feb 10, 5:55 AM EST	Severe Thunderstorm Warning	FFC	Pike, Spalding	65 min
Feb 10, 5:55 AM EST	Severe Thunderstorm Warning	FFC	Upson	65 min
Feb 10, 6:06 AM EST	Severe Thunderstorm Warning	FFC	Hall	69 min
Feb 10, 6:14 AM EST	Severe Thunderstorm Warning	FFC	Butts, Lamar	46 min
Feb 10, 6:19 AM EST	Severe Thunderstorm Warning	FFC	Banks, Franklin, Madison, Stephens	116 min
Feb 10, 6:19 AM EST	Severe Thunderstorm Warning	FFC	Barrow, Clarke, Hall, Jackson, Oconee, Walton	116 min
Feb 10, 6:19 AM EST	Severe Thunderstorm Warning	FFC	Morgan, Newton	116 min
Feb 10, 6:20 AM EST	Severe Thunderstorm Warning	FFC	Jasper, Monroe	40 min
Feb 10, 6:20 AM EST	Severe Thunderstorm Warning	FFC	Crawford	40 min
Feb 10, 6:44 AM EST	Severe Thunderstorm Warning	FFC	Bibb, Peach	31 min
Feb 10, 6:44 AM EST	Severe Thunderstorm Warning	FFC	Jones, Putnam	31 min
Feb 10, 6:51 AM EST	Severe Thunderstorm Warning	FFC	Greene, Oglethorpe, Taliaferro	2 hr
Feb 10, 6:51 AM EST	Severe Thunderstorm Warning	FFC	Elbert, Hart	2 hr
Feb 10, 6:54 AM EST	Severe Thunderstorm Warning	FFC	Bleckley, Dooly, Houston, Pulaski	36 min
Feb 10, 6:54 AM EST	Severe Thunderstorm Warning	FFC	Baldwin, Twiggs, Wilkinson	36 min
Feb 10, 7:33 AM EST	Severe Thunderstorm Warning	FFC	Dodge, Laurens, Wilcox	42 min
Feb 10, 7:33 AM EST	Severe Thunderstorm Warning	FFC	Ben Hill, Turner	42 min
Feb 10, 7:52 AM EST	Severe Thunderstorm Warning	FFC	Irwin	53 min
Feb 10, 7:55 AM EST	Severe Thunderstorm Warning	FFC	Burke, Jefferson, Richmond	65 min
Feb 10, 7:55 AM EST	Severe Thunderstorm Warning	FFC	Columbia, McDuffie	65 min
Feb 10, 8:10 AM EST	Severe Thunderstorm Warning	FFC	Telfair, Treutlen, Wheeler	50 min
Feb 10, 3:13 AM EST	Severe Thunderstorm Warning	FFC	Polk	62 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1990 Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.