Alert archive / Florida / Red Flag Warnings in 2010
Red Flag Warning 38, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Mar 19, 2010, 4:11 AM EDT for 7 counties in Florida. It took effect at Mar 19, 2010, 1:00 PM EDT. It was in force for 6 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 19, 2010, 4:11 AM EDT (08:11 UTC)
- In effect from
- Mar 19, 2010, 1:00 PM EDT
- Expired
- Mar 19, 2010, 7:00 PM EDT
- In force
- 6 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 08:11 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 00:00Z, 8.2 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1055 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 100 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 Mar 19, 3:09 AM EDT, 1 hour 2 minutes earlier.
Area forecast discussion, Mar 19, 3:09 AM EDT, 1 hour 2 minutes before
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</html>Hazardous weather outlook, Mar 19, 4:06 AM EDT, 5 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 406 AM EDT FRI MAR 19 2010 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-201000- HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY- ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE- JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY- INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN- COASTAL CAMDEN- 406 AM EDT FRI MAR 19 2010 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... ...MODERATE RIP CURRENT RISK AT AREA BEACHES... LONG PERIOD SWELLS WILL BRING A MODERATE RIP CURRENT RISK AT AREA BEACHES. REFER TO THE LATEST SURF ZONE FORECAST FOR DETAILS. A FLOOD WARNING IS IN EFFECT FOR THE ALTAMAHA RIVER AT BAXLEY AND THE SATILLA RIVER AT ATKINSON. REFER TO THE LATEST RIVER STATEMENTS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... LONG PERIOD SWELLS WILL CONTINUE AN ELEVATED RISK OF RIP CURRENTS ON SATURDAY. SUNDAY...A COLD FRONT WILL MOVE ACROSS THE AREA LATE IN THE DAY PRECEDED BY NUMEROUS SHOWERS AND POSSIBLE THUNDERSTORMS. IN ADDITION...BREEZY TO LOCALLY WINDY CONDITIONS WILL LIKELY ESTABLISH BY LATE MORNING AND CONTINUING INTO THE AFTERNOON. STRONG WESTERLY WINDS ARE EXPECTED MONDAY. MINOR FLOODING WILL CONTINUE ON THE ALTAMAHA RIVER AT BAXLEY AND THE SATILLA RIVER AT ATKINSON. REFER TO THE LATEST RIVER FLOOD PRODUCTS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX. ECZ
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 4:11 AM EDT | Fire Weather Watch | JAX | Baker, Bradford, Gilchrist, Nassau, Suwannee, Union | 24 hr |
| Mar 19, 2:28 PM EDT | Red Flag Warning | JAX | Baker, Bradford, Gilchrist, Nassau, Suwannee, Union | 29 hr |
| Mar 18, 8:45 PM EDT | River Flood Warning | JAX | Jeff Davis, Montgomery, Toombs | 6 days |
Nearby
Red Flag Warnings in Florida, 2010Every red flag warning in 2010
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.