Alert archive / Georgia / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 183, NWS Atlanta, GA

June 1, 1991Johnson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 1, 1991, 5:51 PM EDT for Johnson County, Georgia. It was in force for 39 min.

The area

The counties it named.

The facts

Issued: Jun 1, 1991, 5:51 PM EDT (21:51 UTC)
Expired: Jun 1, 1991, 6:30 PM EDT
In force: 39 min
Issued by: NWS Atlanta, GA
Area: Whole counties

County Johnson County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 9.9 hours before the alert went out and 151 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: 1271 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1301 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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

Special weather statement, Jun 1, 3:43 PM EDT, 2 hours 8 minutes before

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Local storm report, Jun 1, 3:52 PM EDT, 1 hour 59 minutes before

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Local storm report, Jun 1, 4:15 PM EDT, 1 hour 36 minutes before

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Special weather statement, Jun 1, 4:18 PM EDT, 1 hour 33 minutes before

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Special weather statement, Jun 1, 4:47 PM EDT, 1 hour 4 minutes before

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Special weather statement, Jun 1, 5:48 PM EDT, 3 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
Jun 1, 4:17 AM EDT	Severe Thunderstorm Warning	FFC	Meriwether	28 min
Jun 1, 11:50 AM EDT	Flash Flood Warning	FFC	Crisp, Dooly	3 hr
Jun 1, 12:13 PM EDT	Severe Thunderstorm Warning	FFC	Crisp	47 min
Jun 1, 6:48 PM EDT	Severe Thunderstorm Warning	FFC	Telfair	42 min
Jun 1, 6:59 PM EDT	Severe Thunderstorm Warning	FFC	Screven	31 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1991 Every severe thunderstorm warning in 1991

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.