Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 27, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at Mar 17, 2007, 4:10 AM EDT for 6 counties in Florida. It took effect at Mar 18, 2007, 4:37 AM EDT. It was in force for 14 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 17, 2007, 4:10 AM EDT (08:10 UTC)
- In effect from
- Mar 18, 2007, 4:37 AM EDT
- Expired
- Mar 18, 2007, 7:00 PM EDT
- In force
- 14 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 08:08 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, 8.2 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
- 152 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1189 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KMLB 170810 RFWMLB RED FLAG WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 410 AM EDT SAT MAR 17 2007 ...SIGNIFICANTLY DRIER CONDITIONS EXPECTED THIS WEEKEND... FLZ041-044>046-053-058-144-180930- /O.UPG.KMLB.FW.A.0019.070318T1500Z-070318T2300Z/ /O.NEW.KMLB.FW.W.0027.070318T1500Z-070318T2300Z/ /O.CON.KMLB.FW.W.0026.070317T1500Z-070317T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-OKEECHOBEE- SOUTHERN LAKE- 410 AM EDT SAT MAR 17 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM EDT SUNDAY... MUCH DRIER AIR WILL BUILD INTO THE REGION TODAY BEHIND A COLD FRONT. THE DRY AIR COMBINED WITH NORTHWEST WINDS 15 TO 20 MPH AND GUSTY AT TIMES WILL RESULT IN AN ELEVATED THREAT FOR WILDFIRES. ALTHOUGH WINDS WILL DIMINISH SOMEWHAT AND VEER TO NORTH NORTHEASTERLY SUNDAY...THE DRY CONDITIONS WILL PERSIST. LONG DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITY CAN BE EXPECTED ACROSS THE INTERIOR COUNTIES AGAIN SUNDAY 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. $$ FLZ141-147-180930- /O.NEW.KMLB.FW.A.0020.070318T1500Z-070318T2300Z/ /O.CON.KMLB.FW.W.0026.070317T1500Z-070317T2300Z/ COASTAL VOLUSIA-NORTHERN BREVARD- 410 AM EDT SAT MAR 17 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... MUCH DRIER AIR WILL BUILD INTO THE REGION TODAY BEHIND A COLD FRONT. THE DRY AIR COMBINED WITH NORTHWEST WINDS 15 TO 20 MPH AND GUSTY AT TIMES WILL RESULT IN AN ELEVATED THREAT FOR WILDFIRES. ALTHOUGH WINDS WILL DIMINISH SOMEWHAT AND VEER TO NORTH NORTHEASTERLY SUNDAY...THE DRY CONDITIONS WILL PERSIST. LONG DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITY MAY OCCUR ACROSS THE COASTAL COUNTIES AGAIN SUNDAY AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS... LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW... OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS...LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE POSSIBLE BETWEEN 24 AND 72 HOURS. $$ FLZ047-054-059-064-172300- /O.CON.KMLB.FW.W.0026.070317T1500Z-070317T2300Z/ SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN- 410 AM EDT SAT MAR 17 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... MUCH DRIER AIR WILL BUILD INTO THE REGION TODAY BEHIND A COLD FRONT. THE DRY AIR COMBINED WITH NORTHWEST WINDS 15 TO 20 MPH AND GUSTY AT TIMES WILL RESULT IN AN ELEVATED THREAT FOR WILDFIRES. ALTHOUGH WINDS WILL DIMINISH SOMEWHAT AND VEER TO NORTH NORTHEASTERLY SUNDAY...THE DRY CONDITIONS WILL PERSIST. DURATIONS OF LOW RELATIVE HUMIDITY ARE POSSIBLE FOR A FEW HOURS BETWEEN 35 AND 40 PERCENT ACROSS COASTAL COUNTIES FOR SUNDAY 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. $$
2 follow-up statements
000 WWUS82 KMLB 180837 RFWMLB RED FLAG WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 437 AM EDT SUN MAR 18 2007 ...SIGNIFICANTLY DRIER CONDITIONS EXPECTED AGAIN TODAY... FLZ147-180945- /O.CAN.KMLB.FW.A.0020.070318T1500Z-070318T2300Z/ NORTHERN BREVARD- 437 AM EDT SUN MAR 18 2007 ...FIRE WEATHER WATCH IS CANCELLED... VERY DRY AIR WILL REMAIN IN PLACE AND SOME LOCATIONS MAY STILL SEE ONE TO THREE HOURS OF CRITICALLY LOW RELATIVE HUMIDITY VALUES BEFORE THE AIR MASS MODIFIES THIS AFTERNOON. A SLIGHT ONSHORE WIND COMPONENT IS EXPECTED TO DEVELOP EARLY THIS AFTERNOON. $$ FLZ141-182300- /O.UPG.KMLB.FW.A.0020.070318T1500Z-070318T2300Z/ /O.EXA.KMLB.FW.W.0027.070318T1500Z-070318T2300Z/ COASTAL VOLUSIA- 437 AM EDT SUN MAR 18 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... MUCH DRIER AIR WILL CONTINUE TO BUILD INTO THE REGION TODAY. THE DRY AIR WILL RESULT IN AN ELEVATED THREAT FOR WILDFIRES. CRITICALLY LOW RELATIVE HUMIDITY VALUES ARE LIKELY FOR AT LEAST 4 HOURS THIS 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. $$ FLZ041-044>046-053-058-144-182300- /O.CON.KMLB.FW.W.0027.070318T1500Z-070318T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-OKEECHOBEE- SOUTHERN LAKE- 437 AM EDT SUN MAR 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... MUCH DRIER AIR WILL CONTINUE TO BUILD INTO THE REGION TODAY. THE DRY AIR WILL RESULT IN AN ELEVATED THREAT FOR WILDFIRES. CRITICALLY LOW RELATIVE HUMIDITY VALUES ARE LIKELY FOR SEVERAL HOURS THIS AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS... LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW... OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS. $$
000 WWUS82 KMLB 181746 RFWMLB RED FLAG WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 146 PM EDT SUN MAR 18 2007 ...DRY CONDITIONS POSSIBLE AGAIN MONDAY ACROSS THE INTERIOR COUNTIES... FLZ044-045-053-144-191000- /O.NEW.KMLB.FW.A.0021.070319T1700Z-070319T2100Z/ /O.CON.KMLB.FW.W.0027.000000T0000Z-070318T2300Z/ NORTHERN LAKE-ORANGE-OSCEOLA-SOUTHERN LAKE- 146 PM EDT SUN MAR 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. MUCH DRIER AIR WILL CONTINUE TO BUILD INTO THE REGION TODAY. THE DRY AIR WILL RESULT IN AN ELEVATED THREAT FOR WILDFIRES. CRITICALLY LOW RELATIVE HUMIDITY VALUES ARE LIKELY FOR AT LEAST 4 HOURS THIS AFTERNOON. THE DRY CONDITIONS CURRENTLY BEING OBSERVED ACROSS THE INTERIOR COUNTIES WILL PERSIST THROUGH MONDAY AFTERNOON. DESPITE THE ONSHORE FLOW...LONG DURATIONS OF LOW RELATIVE HUMIDITY WILL AGAIN REMAIN A POSSIBILITY. 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. 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. $$ FLZ041-046-058-141-182300- /O.CON.KMLB.FW.W.0027.000000T0000Z-070318T2300Z/ INLAND VOLUSIA-SEMINOLE-OKEECHOBEE-COASTAL VOLUSIA- 146 PM EDT SUN MAR 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. MUCH DRIER AIR WILL CONTINUE TO BUILD INTO THE REGION TODAY. THE DRY AIR WILL RESULT IN AN ELEVATED THREAT FOR WILDFIRES. CRITICALLY LOW RELATIVE HUMIDITY VALUES ARE LIKELY FOR AT LEAST 4 HOURS THIS AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS... LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW... OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS. $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 4:10 AM EDT | Fire Weather Watch | MLB | Volusia | 24 hr |
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.