Alert archive / Florida / Red Flag Warnings in 2009
Red Flag Warning 21, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Mar 25, 2009, 5:24 AM EDT for Broward County, Collier County, Palm Beach County, Florida. It took effect at Mar 25, 2009, 11:00 AM EDT. It was in force for 8 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 25, 2009, 5:24 AM EDT (09:24 UTC)
- In effect from
- Mar 25, 2009, 11:00 AM EDT
- Expired
- Mar 25, 2009, 6:32 PM EDT
- In force
- 8 hr
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Collier County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 84 km from the middle of the area, began a volume at 09:23 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
Miami, FL (KMFL), launched 00:00Z, 9.4 hours before the alert went out and 71 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
- 5 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1496 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 26 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 KMFL 250924 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 524 AM EDT WED MAR 25 2009 ...RED FLAG WARNING IN EFFECT FOR GLADES...HENDRY...COLLIER...BROWARD AND PALM BEACH COUNTIES FOR RELATIVE HUMIDITIES FALLING BELOW 35 PERCENT FOR A FEW HOURS AND SUSTAINED 20 FOOT WINDS AROUND 15 MPH UNTIL 7 PM EDT... FLZ063-066-067-069>071-251730- /O.NEW.KMFL.FW.W.0021.090325T1500Z-090325T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-COASTAL COLLIER-INLAND COLLIER- INLAND BROWARD- 524 AM EDT WED MAR 25 2009 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING. A STRONG EASTERLY WIND FLOW WILL PREVAIL ACROSS THE REGION TODAY. WITH WARM TEMPERATURES AND DRIER AIR MIXING DOWN THIS AFTERNOON THE RELATIVE HUMIDITIES ARE EXPECTED TO DROP BELOW 35 PERCENT FOR AT LEAST SEVERAL HOURS IN THE INTERIOR PORTIONS OF THE SOUTH FLORIDA PENINSULA...INCLUDING THE COASTAL ZONE OF COLLIER COUNTY. SUSTAINED WINDS NEAR 15 MPH WITH HIGHER GUSTS ARE POSSIBLE, CAUSING CONDITIONS FAVORABLE FOR SPREADING FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
2 follow-up statements
000 WWUS82 KMFL 251332 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 932 AM EDT WED MAR 25 2009 ...RED FLAG WARNING IN EFFECT FOR GLADES...HENDRY...COLLIER... INLAND BROWARD...INLAND PALM BEACH...AND METRO PALM BEACH COUNTIES FOR RELATIVE HUMIDITIES FALLING BELOW 35 PERCENT FOR A FEW HOURS AND SUSTAINED 20 FOOT WINDS AROUND 15 MPH FROM 11 AM EDT UNTIL 7 PM EDT THIS EVENING... FLZ068-252300- /O.EXA.KMFL.FW.W.0021.090325T1500Z-090325T2300Z/ METRO PALM BEACH- 932 AM EDT WED MAR 25 2009 ...RED FLAG WARNING IN EFFECT FROM 11 AM EDT UNTIL 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM EDT UNTIL 7 PM EDT THIS EVENING. WARM TEMPERATURES AND DRIER AIR SHOULD MIX DOWN THIS AFTERNOON OVER PALM BEACH COUNTY ALLOWING FOR THE RELATIVE HUMIDITIES TO FALL BELOW 35 PERCENT FOR COUPLE OF HOURS. AT THE SAME TIME...SUSTAINED WINDS NEAR 15 MPH WITH HIGHER GUSTS ARE POSSIBLE. THEREFORE...A RED FLAG WARNING HAS BEEN ISSUED FOR METRO PALM BEACH COUNTY FROM 11 AM EDT THIS MORNING UNTIL 7 PM EDT THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FLZ063-066-067-069>071-252300- /O.CON.KMFL.FW.W.0021.090325T1500Z-090325T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-COASTAL COLLIER-INLAND COLLIER- INLAND BROWARD- 932 AM EDT WED MAR 25 2009 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM EDT UNTIL 7 PM EDT THIS EVENING... A STRONG EASTERLY WIND FLOW WILL PREVAIL ACROSS THE REGION TODAY. WITH WARM TEMPERATURES AND DRIER AIR MIXING DOWN THIS AFTERNOON THE RELATIVE HUMIDITIES ARE EXPECTED TO DROP BELOW 35 PERCENT FOR AT LEAST SEVERAL HOURS IN THE INTERIOR PORTIONS OF THE SOUTH FLORIDA PENINSULA...INCLUDING THE COASTAL ZONE OF COLLIER COUNTY. SUSTAINED WINDS NEAR 15 MPH WITH HIGHER GUSTS ARE POSSIBLE... CAUSING CONDITIONS FAVORABLE FOR SPREADING FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ BAXTER
000 WWUS82 KMFL 252232 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 632 PM EDT WED MAR 25 2009 FLZ063-066>071-252345- /O.CAN.KMFL.FW.W.0021.000000T0000Z-090325T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD- 632 PM EDT WED MAR 25 2009 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG WARNING. RHS ACROSS THE AREA HAVE RISEN ABOVE 35 PERCENT...AND ARE MOSTLY IN THE 40S AT THIS TIME. THEREFORE...THE RED FLAG WARNING HAS BEEN CANCELLED. $$ DG
Nearby
Red Flag Warnings in Florida, 2009Every red flag warning in 2009
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.