Alert archive / Georgia / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 9, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 29, 1991, 7:43 AM EST for Harris County, Muscogee County, Georgia. It was in force for 47 min. 3 reports 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
- Mar 29, 1991, 7:43 AM EST (12:43 UTC)
- Expired
- Mar 29, 1991, 8:30 AM EST
- In force
- 47 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Harris County, GA, Muscogee County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 29, 8:00 AM EST | Thunderstorm Wind 0 | Muscogee, GA | |
| Mar 29, 8:00 AM EST | Thunderstorm Wind 0 | Harris, GA | |
| Mar 29, 8:15 AM EST | Thunderstorm Wind 0 | Harris, 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
Athens Municipal, GA (KAHN), launched 12:00Z, 0.7 hours before the alert went out and 209 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
- 450 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 625 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 293 m²/s²
- 0-3 km storm-relative helicity
- 356 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.1
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 8:32 AM EST | Severe Thunderstorm Warning | TAE | Harris, Talbot | 58 min |
| Mar 29, 9:52 AM EST | Severe Thunderstorm Warning | TAE | Harris, Muscogee | 68 min |
| Mar 29, 9:52 AM EST | Severe Thunderstorm Warning | TAE | Chattahoochee | 68 min |
| Mar 29, 10:44 AM EST | Tornado Warning | TAE | Muscogee | 61 min |
| Mar 29, 11:05 AM EST | Severe Thunderstorm Warning | TAE | Chattahoochee, Muscogee | 55 min |
| Mar 29, 11:05 AM EST | Severe Thunderstorm Warning | TAE | Harris | 55 min |
| Mar 29, 12:49 PM EST | Severe Thunderstorm Warning | TAE | Muscogee | 56 min |
| Mar 29, 12:49 PM EST | Severe Thunderstorm Warning | TAE | Harris | 56 min |
| Mar 29, 1:12 PM EST | Severe Thunderstorm Warning | TAE | Chattahoochee, Marion | 63 min |
| Mar 29, 2:21 PM EST | Severe Thunderstorm Warning | TAE | Chattahoochee, Muscogee, Talbot | 69 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1991Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.