Alert archive / Georgia / Red Flag Warnings in 2007
Red Flag Warning 104, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Dec 16, 2007, 2:04 PM EST for 6 counties in Florida; 10 counties in Georgia. It took effect at Dec 17, 2007, 3:26 AM EST. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 16, 2007, 2:04 PM EST (19:04 UTC)
- In effect from
- Dec 17, 2007, 3:26 AM EST
- Expired
- Dec 17, 2007, 5:00 PM EST
- In force
- 14 hr
- Issued by
- NWS Jacksonville, FL
Counties Baker County, FL, Bradford County, FL, Gilchrist County, FL, Nassau County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Jeff Davis County, GA, Pierce County, GA, Wayne County, GA
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 7.1 hours before the alert went out and 85 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
- 698 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag 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 red flag warning went out at Dec 16, 1:50 PM EST, 14 minutes earlier.
Area forecast discussion, Dec 16, 1:50 PM EST, 14 minutes before
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Local storm report, Dec 16, 9:27 AM EST, 4 hours 37 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 |
|---|---|---|---|---|
| Dec 16, 12:14 AM EST | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 46 min |
| Dec 16, 1:45 AM EST | Freeze Watch | JAX | Baker, Bradford, Gilchrist, Nassau, Suwannee, Union | 25 hr |
| Dec 16, 1:45 AM EST | Freeze Warning | JAX | Baker, Bradford, Gilchrist, Nassau, Suwannee, Union | 31 hr |
| Dec 16, 1:45 AM EST | Lake Wind Advisory | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 16 hr |
| Dec 16, 2:00 AM EST | Severe Thunderstorm Warning | JAX | Gilchrist | 30 min |
| Dec 16, 2:12 AM EST | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Columbia, Union | 33 min |
| Dec 16, 2:42 AM EST | Tornado Warning | JAX | Alachua, Bradford, Clay, Putnam, Union | 33 min |
| Dec 16, 2:56 AM EST | Severe Thunderstorm Warning | JAX | Alachua, Marion | 49 min |
| Dec 16, 3:10 AM EST | Special Marine Warning | JAX | 2 hr | |
| Dec 16, 3:15 AM EST | Severe Thunderstorm Warning | JAX | Clay, Duval | 45 min |
| Dec 16, 3:18 AM EST | Severe Thunderstorm Warning | JAX | Clay, Saint Johns | 42 min |
| Dec 16, 3:20 AM EST | Severe Thunderstorm Warning | JAX | Putnam, Saint Johns | 40 min |
| Dec 16, 3:28 AM EST | Special Marine Warning | JAX | 2 hr | |
| Dec 16, 4:11 AM EST | Severe Thunderstorm Warning | JAX | Marion | 49 min |
Nearby
Red Flag Warnings in Georgia, 2007Red Flag Warnings in Florida, 2007Every red flag warning in 2007
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.