Alert archive / Georgia / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 31, NWS Tallahassee, FL

August 31, 1987Randolph County, Terrell County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 31, 1987, 4:37 PM EDT for Randolph County, Terrell County, Georgia. It was in force for 68 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 31, 1987, 4:37 PM EDT (20:37 UTC)
Expired
Aug 31, 1987, 5:45 PM EDT
In force
68 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Randolph County, GA, Terrell County, GA

The radar

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

What was reported inside it

TimeReportWhereRemark
Aug 31, 5:15 PM EDTThunderstorm Wind 0Terrell, GA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 8.6 hours before the alert went out and 231 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-pSkew-T log-p diagram, Eglin AFB/Valpar, FL at 12:00Z on 1987-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2881 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Eglin AFB/Valpar, FL at 12:00Z on 1987-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2881 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

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.

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 31, 3:25 PM EDTSevere Thunderstorm WarningTAEEscambia65 min
Aug 30, 9:20 PM EDTSevere Thunderstorm WarningTAEGrady, Thomas40 min
Aug 31, 3:15 PM EDTSevere Thunderstorm WarningTAEStewart45 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1987Every severe thunderstorm warning in 1987

Sources

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