Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 13, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at Mar 27, 2011, 2:45 PM EDT for 6 counties in Florida. It took effect at Mar 27, 2011, 3:00 PM EDT. It was in force for 4 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 27, 2011, 2:45 PM EDT (18:45 UTC)
- In effect from
- Mar 27, 2011, 3:00 PM EDT
- Expired
- Mar 27, 2011, 7:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 67 km from the middle of the area, began a volume at 18:47 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 12:00Z, 6.8 hours before the alert went out and 73 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
- 1574 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
044 WWUS82 KMLB 271845 RFWMLB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 245 PM EDT SUN MAR 27 2011 ...RED FLAG WARNING UNTIL 7 PM EDT THIS EVENING... FLZ041-044>047-053-054-058-059-064-141-144-147-272300- /O.NEW.KMLB.FW.W.0013.110327T1900Z-110327T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA- SOUTHERN LAKE-NORTHERN BREVARD- 245 PM EDT SUN MAR 27 2011 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM EDT THIS EVENING. THE COMBINATION OF GUSTY SOUTHWEST WINDS AND VERY WARM TEMPERATURES PRODUCING VERY LOW RELATIVE HUMIDITY VALUES HAVE PROMPTED A RED FLAG WARNING FOR ALL OF EAST CENTRAL FLORIDA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR WITHIN THE NEXT 24 HOURS. && $$
1 follow-up statement
880 WWUS82 KMLB 272306 RFWMLB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 706 PM EDT SUN MAR 27 2011 FLZ041-044>047-053-054-058-059-064-141-144-147-280015- /O.EXP.KMLB.FW.W.0013.000000T0000Z-110327T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA- SOUTHERN LAKE-NORTHERN BREVARD- 706 PM EDT SUN MAR 27 2011 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. WEST TO SOUTHWEST WINDS HAVE DECREASED TO AROUND 5 TO 10 MPH ACROSS MUCH OF THE AREA AND RELATIVE HUMIDITY VALUES WILL CONTINUE TO RISE INTO THE EVENING. THEREFORE THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. $$ WEITLICH
Nearby
Red Flag Warnings in Florida, 2011Every red flag warning in 2011
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.