Alert archive / Florida / Red Flag Warnings in 2009
Red Flag Warning 29, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Feb 19, 2009, 3:21 PM EST for 7 counties in Florida. It took effect at Feb 20, 2009, 10:00 AM EST. It was in force for 9 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
- Feb 19, 2009, 3:21 PM EST (20:21 UTC)
- In effect from
- Feb 20, 2009, 10:00 AM EST
- Expired
- Feb 20, 2009, 7:00 PM EST
- In force
- 9 hr
- Issued by
- NWS Jacksonville, FL
Counties Baker County, FL, Bradford County, FL, Flagler County, FL, Gilchrist County, FL, Nassau County, FL, Suwannee County, FL, Union County, FL
The radar
The Jacksonville radar (KJAX), 71 km from the middle of the area, began a volume at 20:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.4 hours before the alert went out and 202 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
- 1516 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- -244 m²/s²
- 0-3 km storm-relative helicity
- -97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
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 Feb 19, 3:01 PM EST, 20 minutes earlier.
Area forecast discussion, Feb 19, 3:01 PM EST, 20 minutes before
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</html>Hazardous weather outlook, Feb 19, 1:30 PM EST, 1 hour 51 minutes before
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Local storm report, Feb 19, 9:30 AM EST, 5 hours 51 minutes before
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</html>Local storm report, Feb 19, 10:04 AM EST, 5 hours 17 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 |
|---|---|---|---|---|
| Feb 19, 4:09 AM EST | Special Weather Statement | JAX | Hamilton | 51 min |
| Feb 19, 4:18 AM EST | Freeze Watch | JAX | Baker, Bradford, Gilchrist, Nassau, Suwannee, Union | 24 hr |
| Feb 19, 4:18 AM EST | Severe Thunderstorm Warning | JAX | Columbia, Hamilton, Suwannee | 42 min |
| Feb 19, 4:55 AM EST | Severe Thunderstorm Warning | JAX | Baker, Columbia, Duval, Hamilton, Nassau, Suwannee | 65 min |
| Feb 19, 5:33 AM EST | Special Marine Warning | JAX | 117 min | |
| Feb 19, 5:38 AM EST | Severe Thunderstorm Warning | JAX | Clay, Duval, Nassau, Saint Johns | 52 min |
| Feb 19, 5:55 AM EST | Special Weather Statement | JAX | Baker, Bradford, Clay, Columbia, Gilchrist, Union | 50 min |
| Feb 19, 6:29 AM EST | Special Weather Statement | JAX | Bradford, Clay, Duval, Union | 31 min |
| Feb 19, 6:44 AM EST | Special Weather Statement | JAX | Bradford, Gilchrist, Union | 31 min |
| Feb 19, 6:56 AM EST | Special Weather Statement | JAX | Clay | 34 min |
| Feb 19, 7:19 AM EST | Special Weather Statement | JAX | Alachua, Bradford, Gilchrist | 26 min |
| Feb 19, 7:29 AM EST | Special Marine Warning | JAX | 2 hr | |
| Feb 19, 7:40 AM EST | Special Weather Statement | JAX | Clay, Saint Johns | 35 min |
| Feb 19, 7:44 AM EST | Special Weather Statement | JAX | Alachua | 31 min |
| Feb 19, 7:53 AM EST | Special Weather Statement | JAX | Alachua | 37 min |
| Feb 19, 8:15 AM EST | Special Weather Statement | JAX | Putnam, Saint Johns | 30 min |
| Feb 19, 8:27 AM EST | Special Weather Statement | JAX | Alachua | 33 min |
| Feb 19, 8:46 AM EST | Special Weather Statement | JAX | Flagler, Putnam | 29 min |
| Feb 18, 8:49 PM EST | Special Weather Statement | JAX | Bacon | 26 min |
| Feb 18, 9:01 PM EST | Special Weather Statement | JAX | Pierce | 29 min |
| Feb 19, 12:57 AM EST | Special Weather Statement | JAX | Atkinson, Echols | 63 min |
| Feb 19, 1:22 AM EST | Special Weather Statement | JAX | Ware | 53 min |
| Feb 19, 1:44 AM EST | Special Weather Statement | JAX | Brantley, Ware | 46 min |
| Feb 19, 2:07 AM EST | Severe Thunderstorm Warning | JAX | Clinch | 53 min |
| Feb 19, 2:37 AM EST | Tornado Warning | JAX | Clinch | 28 min |
| Feb 19, 3:02 AM EST | Special Weather Statement | JAX | Ware | 43 min |
| Feb 19, 3:05 AM EST | Special Weather Statement | JAX | Coffee | 55 min |
| Feb 19, 3:26 AM EST | Special Weather Statement | JAX | Brantley | 49 min |
| Feb 19, 3:35 AM EST | Special Weather Statement | JAX | Atkinson | 25 min |
| Feb 19, 3:42 AM EST | Special Weather Statement | JAX | Wayne | 33 min |
| Feb 19, 3:46 AM EST | Special Weather Statement | JAX | Bacon | 29 min |
| Feb 19, 4:06 AM EST | Special Weather Statement | JAX | Ware | 24 min |
| Feb 19, 4:41 AM EST | Special Weather Statement | JAX | Brantley, Clinch, Ware | 49 min |
Nearby
Red Flag Warnings in Florida, 2009Every red flag 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; radar from the NEXRAD Level II archive.