Alert archive / Florida / Red Flag Warnings in 2013

Red Flag Warning 14, NWS Jacksonville, FL

March 26, 2013Flagler County, Florida

NWS Jacksonville, FL issued this red flag warning at Mar 26, 2013, 3:08 AM EDT for Flagler County, Florida. It took effect at Mar 26, 2013, 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: Mar 26, 2013, 3:08 AM EDT (07:08 UTC)
In effect from: Mar 26, 2013, 12:00 PM EDT
Expired: Mar 26, 2013, 8:00 PM EDT
In force: 8 hr
Issued by: NWS Jacksonville, FL

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 119 km from the middle of the area, began a volume at 07:14 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

Tampa Bay, FL (KTBW), launched 00:00Z, 7.1 hours before the alert went out and 224 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: 2218 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: -262 m²/s²
0-3 km storm-relative helicity: -71 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 Mar 25, 3:47 PM EDT, 11 hours 21 minutes earlier.

Area forecast discussion, Mar 25, 3:47 PM EDT, 11 hours 21 minutes before

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Hazardous weather outlook, Mar 25, 2:15 PM EDT, 12 hours 53 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
Mar 26, 3:38 AM EDT	Lake Wind Advisory	JAX	Nassau	14 hr
Mar 26, 4:09 AM EDT	Small Craft Advisory	JAX		23 hr
Mar 26, 2:00 PM EDT	Freeze Warning	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	19 hr
Mar 25, 9:51 PM EDT	River Flood Warning	JAX	Appling, Toombs	11 days

Nearby

Red Flag Warnings in Florida, 2013 Every red flag warning in 2013

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.