Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 49, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Apr 29, 2007, 3:59 AM EDT for 5 counties in Florida. It took effect at Apr 29, 2007, 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 29, 2007, 3:59 AM EDT (07:59 UTC)
- In effect from
- Apr 29, 2007, 12:00 PM EDT
- Expired
- Apr 29, 2007, 7:00 PM EDT
- In force
- 7 hr
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Collier County, FL, Miami-Dade County, FL, Monroe County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 55 km from the middle of the area, began a volume at 08:00 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
Key West, FL (KEYW), launched 00:00Z, 8.0 hours before the alert went out and 189 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
- 108 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1329 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KMFL 290759 RFWMFL RED FLAG WARNING NATIONAL WEATHER SERVICE MIAMI FL 359 AM EDT SUN APR 29 2007 FLZ063-066-070-292300- /O.UPG.KMFL.FW.A.0028.070429T1700Z-070429T2300Z/ /O.NEW.KMFL.FW.W.0049.070429T1600Z-070429T2300Z/ /O.NEW.KMFL.FW.A.0029.070430T1600Z-070430T2300Z/ GLADES-HENDRY-EASTERN COLLIER- 359 AM EDT SUN APR 29 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING. DRY AIR IN THE LOW LEVELS OF THE ATMOSPHERE WILL CONTINUE IN PLACE ACROSS THE AREA TODAY. AS TEMPERATURES RISE...THE DRY AIR WILL MIX DOWN TO THE SURFACE...ALLOWING FOR RELATIVE HUMIDITIES TO FALL BELOW 35 PERCENT. IN FACT...A LONG DURATION OF CRITICAL RELATIVE HUMIDITIES IS POSSIBLE THIS AFTERNOON. THUS...A RED FLAG WARNING HAS BEEN ISSUED. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS FOR MONDAY. $$ FLZ067>069-071>075-292300- /O.NEW.KMFL.FW.W.0049.070429T1600Z-070429T2300Z/ PALM BEACH WESTERN-PALM BEACH EASTERN-WESTERN COLLIER- WESTERN BROWARD-BROWARD METROPOLITAN-WESTERN DADE- DADE METROPOLITAN-MAINLAND MONROE- 359 AM EDT SUN APR 29 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING. DRY AIR IN THE LOW LEVELS OF THE ATMOSPHERE WILL CONTINUE IN PLACE ACROSS THE AREA TODAY. AS TEMPERATURES RISE...THE DRY AIR WILL MIX DOWN TO THE SURFACE...ALLOWING FOR RELATIVE HUMIDITIES TO FALL BELOW 35 PERCENT. SEA BREEZES WILL FORM ON BOTH THE EAST AND WEST COASTS THIS AFTERNOON...HOWEVER THEY WILL NOT BE STRONG ENOUGH AND PUSH FAR ENOUGH INLAND TO PREVENT THE INLAND PORTIONS OF WESTERN COLLIER...AND THE EAST COAST METRO ZONES FROM DROPPING BELOW 35 PERCENT RELATIVE HUMIDITY FOR AT LEAST 4 HOURS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
1 follow-up statement
000 WWUS82 KMFL 291819 AAA RFWMFL RED FLAG WARNING...UPDATED NATIONAL WEATHER SERVICE MIAMI FL 219 PM EDT SUN APR 29 2007 FLZ067-068-071>075-291930- /O.CAN.KMFL.FW.W.0049.000000T0000Z-070429T2300Z/ PALM BEACH WESTERN-PALM BEACH EASTERN-WESTERN BROWARD- BROWARD METROPOLITAN-WESTERN DADE-DADE METROPOLITAN- MAINLAND MONROE- 219 PM EDT SUN APR 29 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG WARNING. RELATIVE HUMIDITIES HAVE FAILED TO DROP LOW ENOUGH TO WARRANT CONTINUING THE RED FLAG WARNING, SO THE WARNING HAS BEEN CANCELLED. THIS WAS DUE TO ENOUGH LOW LEVEL MOISTURE FLOW OFF THE ATLANTIC. $$ FLZ063-066-070-292300- /O.CON.KMFL.FW.W.0049.000000T0000Z-070429T2300Z/ /O.CON.KMFL.FW.A.0029.070430T1600Z-070430T2300Z/ GLADES-HENDRY-EASTERN COLLIER- 219 PM EDT SUN APR 29 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH EARLY MONDAY EVENING. DRY AIR IN THE LOW LEVELS OF THE ATMOSPHERE WILL CONTINUE IN PLACE ACROSS THE AREA TODAY. RELATIVE HUMIDITIES WILL BE BELOW 35 PERCENT IN MANY AREAS. THUS...A RED FLAG WARNING WILL CONTINUE. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS FOR MONDAY. $$ FLZ069-292300- /O.CON.KMFL.FW.W.0049.000000T0000Z-070429T2300Z/ WESTERN COLLIER- 219 PM EDT SUN APR 29 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. DRY AIR IN THE LOW LEVELS OF THE ATMOSPHERE WILL CONTINUE IN PLACE ACROSS THE AREA TODAY. RELATIVE HUMIDITIES WILL BE BELOW 35 PERCENT IN MANY AREAS. THUS...A RED FLAG WARNING WILL CONTINUE. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 3:59 AM EDT | Fire Weather Watch | MFL | 25 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.