Alert archive / Georgia / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 3, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 14, 1987, 10:33 PM EDT for Catoosa County, Georgia. It was in force for 27 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
- Apr 14, 1987, 10:33 PM EDT (02:33 UTC)
- Expired
- Apr 14, 1987, 11:00 PM EDT
- In force
- 27 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Catoosa 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 14, 10:50 PM EDT | Hail 1.13 | Catoosa, 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
Nashville Metro, TN (KBNA), launched 00:00Z, 2.6 hours before the alert went out and 190 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1139 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- -216 m²/s²
- 0-3 km storm-relative helicity
- -235 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCHA 150233
SVRCHA
GAC047-150300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
1033 PM EDT TUE APR 14 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1100 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHWEST GEORGIA
...CATOOSA
AT 1030PM EDT THE WEATHER SERVICE RADAR AT CHATTANOOGA INDICATED A
SEVERE THUNDERSTORM IN NORTHEAST WALKER COUNTY MOVING INTO CATOOSA
COUNTY. THE THUNDERSTORM WAS MOVING TOWARD THE NORTHEAST A 30 MPH.
A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT UNTIL 11PM EDT
FOR HAMILTON COUNTY IN SOUTHEAST TENNESSEE.
IF YOU ARE CAUGHT OUTSIDE...SEEK` SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 10:13 PM EDT | Severe Thunderstorm Warning | FFC | Walker | 47 min |
| Apr 15, 3:16 AM EDT | Severe Thunderstorm Warning | FFC | Dawson, Hall, Lumpkin | 59 min |
| Apr 15, 3:53 AM EDT | Tornado Warning | FFC | Habersham | 67 min |
| Apr 15, 4:45 AM EDT | Severe Thunderstorm Warning | FFC | Clarke, Madison | 30 min |
| Apr 15, 4:45 AM EDT | Severe Thunderstorm Warning | FFC | Oconee | 30 min |
| Apr 15, 6:15 AM EDT | Severe Thunderstorm Warning | FFC | Wilkinson | 30 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.