Alert archive / Georgia / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 7, NWS Tallahassee, FL

March 26, 1987Grady County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 26, 1987, 12:12 PM EST for Grady County, Georgia. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Mar 26, 1987, 12:12 PM EST (17:12 UTC)
Expired
Mar 26, 1987, 1:10 PM EST
In force
58 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Grady County, GA

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

Apalachicola Mun, FL (KAQQ), launched 12:00Z, 5.2 hours before the alert went out and 147 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, Apalachicola Mun, FL at 12:00Z on 1987-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 299 joules per kilogram.LCLLFCEL10008507005003002001001 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, Apalachicola Mun, FL at 12:00Z on 1987-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939587897117Sfc1 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
299 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

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, Mar 26, 7:04 AM EST, 5 hours 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FL
655 AM EST THU MAR 26 1987

   ...TRAVELERS ADVISORY FOR DENSE FOG TIL MID MORNING...

DENSE FOG HAS REDUCED VISIBILITY OVER GULF AND FRANKLIN COUNTIES OF
NORTH FLORIDA TO NEAR ZERO IN SOME LOCATIONS. MOTORISTS SHOULD USE
CAUTION AND ALLOW EXTRA TIME IN DRIVING TO WORK THIS MORNING AS CHILDREN
ARE ON THEIR WAY TO SCHOOL.

MARNIE INTERESTS SHOULD ALSO USE CAUTION WHILE ON THE OPEN WATER.

CONDITIONS SHOULD IMPROVE BY MID-MORNING.
Special weather statement, Mar 26, 7:07 AM EST, 5 hours 5 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE APALACHICOLA FL
655 AM EST THU MAR 26 1987

   ...TRAVELERS ADVISORY FOR DENSE FOG TIL MID MORNING...

DENSE FOG HAS REDUCED VISIBILITY OVER GULF AND FRANKLIN COUNTIES OF
NORTH FLORIDA TO NEAR ZERO IN SOME LOCATIONS. MOTORISTS SHOULD USE
CAUTION AND ALLOW EXTRA TIME IN DRIVING TO WORK THIS MORNING AS CHILDREN
ARE ON THEIR WAY TO SCHOOL.

MARINE INTERESTS SHOULD ALSO USE CAUTION WHILE ON THE OPEN WATER.

CONDITIONS SHOULD IMPROVE BY MID-MORNING.

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; the sounding from the Mesonet's radiosonde archive.