Alert archive / Georgia / Red Flag Warnings in 2007

Red Flag Warning 61, NWS Jacksonville, FL

April 28, 20077 counties in Florida; 10 counties in Georgia

NWS Jacksonville, FL issued this red flag warning at Apr 28, 2007, 2:40 PM EDT for 7 counties in Florida; 10 counties in Georgia. It took effect at Apr 29, 2007, 12:00 PM EDT. It was in force for 8 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: Apr 28, 2007, 2:40 PM EDT (18:40 UTC)
In effect from: Apr 29, 2007, 12:00 PM EDT
Expired: Apr 29, 2007, 8:00 PM EDT
In force: 8 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, 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.7 hours before the alert went out and 189 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1395 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -31 m²/s²
0-3 km storm-relative helicity: -12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Apr 28, 9:51 AM EDT, 4 hours 49 minutes earlier.

Area forecast discussion, Apr 28, 9:51 AM EDT, 4 hours 49 minutes before

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Hazardous weather outlook, Apr 28, 5:29 AM EDT, 9 hours 11 minutes before

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In the hours before

Special weather statement, Apr 28, 1:46 PM EDT, 54 minutes before

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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 2:40 PM EDT	Fire Weather Watch	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	24 hr

Nearby

Red Flag Warnings in Georgia, 2007 Red Flag Warnings in Florida, 2007 Every 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.