Alert archive / Florida / Red Flag Warnings in 2009
Red Flag Warning 66, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Nov 15, 2009, 4:17 AM EST for 4 counties in Florida. It took effect at Nov 15, 2009, 12:00 PM EST. It was in force for 3 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
- Nov 15, 2009, 4:17 AM EST (09:17 UTC)
- In effect from
- Nov 15, 2009, 12:00 PM EST
- Expired
- Nov 15, 2009, 3:23 PM EST
- In force
- 3 hr
- Issued by
- NWS Jacksonville, FL
Counties Baker County, FL, Gilchrist County, FL, Suwannee County, FL, Union County, FL
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.3 hours before the alert went out and 166 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
- 2219 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 14, 9:42 PM EST | Small Craft Advisory for Hazardous Seas | JAX | 24 hr | |
| Nov 15, 2:11 AM EST | Coastal Flood Statement | JAX | Flagler, Nassau | 17 hr |
| Nov 15, 1:48 PM EST | River Flood Warning | JAX | Appling, Toombs | 13 days |
| Nov 15, 1:48 PM EST | River Flood Warning | JAX | Jeff Davis, Montgomery, Toombs | 10 days |
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.