Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 41, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at May 3, 2007, 4:49 AM EDT for 5 counties in Florida. It took effect at May 3, 2007, 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
- May 3, 2007, 4:49 AM EDT (08:49 UTC)
- In effect from
- May 3, 2007, 1:00 PM EDT
- Expired
- May 3, 2007, 7:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 86 km from the middle of the area, began a volume at 08:48 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
Cape Canaveral, FL (KXMR), launched 00:00Z, 8.8 hours before the alert went out and 81 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
- 2228 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KMLB 030849 RFWMLB RED FLAG WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 449 AM EDT THU MAY 3 2007 FLZ041-044>046-053-144-032300- /O.UPG.KMLB.FW.A.0035.070503T1700Z-070503T2300Z/ /O.NEW.KMLB.FW.W.0041.070503T1700Z-070503T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA- SOUTHERN LAKE- 449 AM EDT THU MAY 3 2007 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. THE POTENTIAL FOR LONG DURATIONS OF RELATIVE HUMIDITY VALUES BELOW 35 PERCENT COMBINED WITH VERY DRY FUELS HAS PROMPTED UPGRADING THE FIRE WEATHER WATCH TO A RED FLAG WARNING FROM INLAND VOLUSIA COUNTY TO WESTERN PORTIONS OF OSCEOLA COUNTY AND WEST. RELATIVE HUMIDITY VALUES SHOULD START TO INCREASE ONCE THE EAST COAST SEA BREEZE PUSHES THROUGH THE AREA LATE AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS... LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW... OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS. $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 2:08 PM EDT | Severe Thunderstorm Warning | MLB | Saint Lucie | 37 min |
Nearby
Red Flag Warnings in Florida, 2007Every 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; radar from the NEXRAD Level II archive.