Alert archive / Florida / Red Flag Warnings in 2008
Red Flag Warning 9, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Feb 19, 2008, 3:37 AM EST for Collier County, Florida. It took effect at Feb 19, 2008, 11:00 AM EST. 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
- Feb 19, 2008, 3:37 AM EST (08:37 UTC)
- In effect from
- Feb 19, 2008, 11:00 AM EST
- Expired
- Feb 19, 2008, 6:00 PM EST
- In force
- 7 hr
- Issued by
- NWS Miami, FL
County Collier County, FL
The radar
The Miami radar (KAMX), 111 km from the middle of the area, began a volume at 08:41 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, 8.6 hours before the alert went out and 113 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
- 52 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1323 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 62 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 190837 RFWMFL RED FLAG WARNING NATIONAL WEATHER SERVICE MIAMI FL 337 AM EST TUE FEB 19 2008 ...RED FLAG WARNING FOR GLADES, HENDRY AND COLLIER COUNTIES FROM 11 AM TO 5 PM FOR 4 CONSECUTIVE HOURS OF RELATIVE HUMIDITIES BELOW 35 PERCENT... FLZ063-066-069-070-191645- /O.NEW.KMFL.FW.W.0009.080219T1600Z-080219T2200Z/ GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER- 337 AM EST TUE FEB 19 2008 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM EST THIS AFTERNOON. THOUGH THE FRONT MOVING THROUGH SOUTH FLORIDA IS RATHER WEAK...DEW POINTS WILL LOWER QUITE DRAMATICALLY THIS AFTERNOON. THOUGH THERE WILL BE CLOUD COVER KEEPING MAXIMUM TEMPERATURES LOW...THE LOW DEW POINTS WILL STILL ALLOW RELATIVE HUMIDITIES TO FALL BELOW 35 PERCENT FOR 4 OR MORE CONSECUTIVE HOURS. DEW POINTS ARE ACTUALLY 5 TO 10 DEGREES LOWER THAN ALL MODEL GUIDANCE THIS MORNING. COMBINED WITH THE LACK OF RAINFALL AND VERY DRY TOP SOILS IN THE WARNING AREA...THE RELATIVE HUMIDITIES ARE EXPECTED TO BE QUITE LOW EVEN WITH THE CLOUD COVER AND LOWER MAXIMUM TEMPERATURES. 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. $$
1 follow-up statement
000 WWUS82 KMFL 191952 RFWMFL RED FLAG WARNING NATIONAL WEATHER SERVICE MIAMI FL 252 PM EST TUE FEB 19 2008 ...RED FLAG WARNING FOR GLADES... HENDRY AND COLLIER COUNTIES FROM 11 AM TO 5 PM FOR 4 CONSECUTIVE HOURS OF RELATIVE HUMIDITIES BELOW 35 PERCENT... FLZ063-066-069-070-192300- /O.EXT.KMFL.FW.W.0009.000000T0000Z-080219T2300Z/ GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER- 252 PM EST TUE FEB 19 2008 ...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM EST THIS AFTERNOON... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 6 PM EST THIS AFTERNOON. A WEAK COLD FRONT THAT MOVED ACROSS SOUTH FLORIDA EARLIER TODAY HAS FILTERED IN DRIER AIR BEHIND IT. THE LOWER DEW POINTS HAVE ALLOWED RELATIVE HUMIDITIES TO LOWER BELOW 35 PERCENT ACROSS GLADES, HENDRY AND COLLIER COUNTIES. AS TEMPERATURES BEGIN TO FALL NEAR SUNSET, RELATIVE HUMIDITIES WILL AGAIN CLIMB ABOVE 35 PERCENT AFTER 6 PM A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
Nearby
Red Flag Warnings in Florida, 2008Every red flag warning in 2008
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.