Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 15, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at Apr 25, 2012, 4:09 AM EDT for 6 counties in Florida. It took effect at Apr 25, 2012, 12:00 PM EDT. It was in force for 7 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 25, 2012, 4:09 AM EDT (08:09 UTC)
- In effect from
- Apr 25, 2012, 12:00 PM EDT
- Expired
- Apr 25, 2012, 7:00 PM EDT
- In force
- 7 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 08:12 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, 8.2 hours before the alert went out and 139 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
- 1969 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
831 WWUS82 KMLB 250809 RFWMLB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 409 AM EDT WED APR 25 2012 FLZ059-064-250915- /O.CAN.KMLB.FW.A.0013.120425T1600Z-120425T2300Z/ ST. LUCIE-MARTIN- 409 AM EDT WED APR 25 2012 ...FIRE WEATHER WATCH IS CANCELLED FOR MARTIN AND SAINT LUCIE COUNTIES... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS CANCELLED THE FIRE WEATHER WATCH. ERC VALUES ARE EXPECTED TO REMAIN BELOW CRITICAL LEVELS ACROSS THESE COUNTIES THIS AFTERNOON. A FIRE DANGER STATEMENT IS IN EFFECT DUE TO SEVERAL HOURS OF LOW RELATIVE HUMIDITY. $$ FLZ041-044>047-053-054-058-141-144-147-252300- /O.UPG.KMLB.FW.A.0013.120425T1600Z-120425T2300Z/ /O.NEW.KMLB.FW.W.0015.120425T1600Z-120425T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-COASTAL VOLUSIA-SOUTHERN LAKE- NORTHERN BREVARD- 409 AM EDT WED APR 25 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND HIGH ERC VALUES ACROSS MOST OF EAST CENTRAL FLORIDA.. THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA... VOLUSIA... LAKE... ORANGE... SEMINOLE... BREVARD... OSCEOLA... INDIAN RIVER... OKEECHOBEE... * WIND...WEST TO SOUTHWEST WINDS 5 TO 10 WILL TURN ONSHORE NEAR THE COAST IN THE AFTERNOON. * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL BETWEEN 25 AND 30 PERCENT FOR 4 TO 5 HOURS THIS AFTERNOON ACROSS MOST OF EAST CENTRAL FLORIDA. ONSET OF THE SEA BREEZE NEAR THE COAST WILL ALLOW SOME RECOVERY OF RH DURING THE AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR WITHIN THE NEXT 24 HOURS. && $$
1 follow-up statement
502 WWUS82 KMLB 252221 RFWMLB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 621 PM EDT WED APR 25 2012 FLZ041-044>046-053-141-144-260900- /O.NEW.KMLB.FW.A.0014.120426T1700Z-120427T0000Z/ /O.CON.KMLB.FW.W.0015.000000T0000Z-120425T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA- COASTAL VOLUSIA-SOUTHERN LAKE- 621 PM EDT WED APR 25 2012 ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR LONG DURATION OF CRITICALLY LOW RELATIVE HUMIDITY ACROSS INLAND EAST CENTRAL FLORIDA... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. * AFFECTED AREA... INLAND VOLUSIA... NORTHERN LAKE... ORANGE... SEMINOLE... OSCEOLA... COASTAL VOLUSIA... SOUTHERN LAKE. * WIND...LIGHT SOUTHWEST WINDS WILL TURN ONSHORE NEAR THE COAST IN THE AFTERNOON. * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL BETWEEN 25 AND 32 PERCENT FOR 4 TO 5 HOURS ACROSS INLAND PORTIONS OF EAST CENTRAL FLORIDA THURSDAY. ONSET OF THE SEA BREEZE NEAR THE COAST WILL ALLOW SOME RECOVERY OF RH DURING THE AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS...LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE POSSIBLE BETWEEN 24 AND 72 HOURS. && $$ FLZ047-054-058-147-252330- /O.CON.KMLB.FW.W.0015.000000T0000Z-120425T2300Z/ SOUTHERN BREVARD-INDIAN RIVER-OKEECHOBEE-NORTHERN BREVARD- 621 PM EDT WED APR 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... && $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 6:21 PM EDT | Fire Weather Watch | MLB | Lake, Orange, Osceola, Seminole, Volusia | 9 hr |
Nearby
Red Flag Warnings in Florida, 2012Every red flag warning in 2012
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.