Alert archive / Georgia / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 161, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 22, 2009, 5:50 PM EDT for 5 counties in Georgia. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 22, 2009, 5:50 PM EDT (21:50 UTC)
- Expired
- Jun 22, 2009, 6:37 PM EDT
- In force
- 47 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Bacon County, GA, Brantley County, GA, Coffee County, GA, Pierce County, GA, Ware County, GA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 22, 3:43 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 9.8 hours before the alert went out and 114 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
- 1523 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1270 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
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.
NWS Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 22, 4:00 PM EDT, 1 hour 50 minutes earlier.
Area forecast discussion, Jun 22, 4:00 PM EDT, 1 hour 50 minutes before
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Special weather statement, Jun 22, 4:22 PM EDT, 1 hour 28 minutes before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 11:31 PM EDT | Special Marine Warning | JAX | 89 min | |
| Jun 22, 12:59 AM EDT | Special Marine Warning | JAX | 61 min | |
| Jun 22, 1:32 AM EDT | Special Marine Warning | JAX | 88 min | |
| Jun 22, 2:16 AM EDT | Special Marine Warning | JAX | 89 min | |
| Jun 22, 3:01 AM EDT | Special Marine Warning | JAX | 119 min | |
| Jun 22, 6:33 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 55 min |
| Jun 22, 6:47 PM EDT | Special Marine Warning | JAX | 92 min | |
| Jun 22, 6:50 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 40 min |
| Jun 22, 7:14 PM EDT | Special Weather Statement | JAX | Duval | 31 min |
| Jun 22, 7:22 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Nassau, Saint Johns | 53 min |
| Jun 22, 7:26 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Nassau | 64 min |
| Jun 22, 7:33 PM EDT | Special Marine Warning | JAX | 87 min | |
| Jun 22, 4:22 PM EDT | Special Weather Statement | JAX | Jeff Davis | 53 min |
| Jun 22, 4:49 PM EDT | Special Weather Statement | JAX | Long | 56 min |
| Jun 22, 4:57 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Bacon, Coffee, Jeff Davis | 63 min |
| Jun 22, 5:19 PM EDT | Severe Thunderstorm Warning | JAX | Wayne | 71 min |
| Jun 22, 5:56 PM EDT | Special Weather Statement | JAX | Ware | 64 min |
| Jun 22, 5:57 PM EDT | Special Weather Statement | JAX | Glynn | 48 min |
| Jun 22, 6:35 PM EDT | Special Weather Statement | JAX | Camden, Glynn | 55 min |
| Jun 22, 6:42 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Camden, Glynn, Wayne | 45 min |
| Jun 22, 7:16 PM EDT | Special Weather Statement | JAX | Camden | 44 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2009Every severe thunderstorm warning in 2009
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.