Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 8, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Feb 15, 2011, 1:25 AM EST for Collier County, Florida. It took effect at Feb 15, 2011, 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 15, 2011, 1:25 AM EST (06:25 UTC)
- In effect from
- Feb 15, 2011, 11:00 AM EST
- Expired
- Feb 15, 2011, 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 06:26 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, 6.4 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1401 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -14 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.
481 WWUS82 KMFL 150625 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 125 AM EST TUE FEB 15 2011 FLZ063-066-069-070-151430- /O.UPG.KMFL.FW.A.0009.110215T1700Z-110215T2300Z/ /O.NEW.KMFL.FW.W.0008.110215T1600Z-110215T2300Z/ GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER- 125 AM EST TUE FEB 15 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. RELATIVE HUMIDITIES WILL FALL TO LESS THAN 35 PERCENT FOR 4 OR MORE CONSECUTIVE HOURS ACROSS GLADES...HENDRY...AND INLAND COLLIER COUNTIES THIS AFTERNOON. LOWEST VALUES ARE FORECAST TO BE BETWEEN 28 AND 34 PERCENT. 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. && $$
1 follow-up statement
315 WWUS82 KMFL 150814 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 314 AM EST TUE FEB 15 2011 FLZ063-066-069-070-152300- /O.CON.KMFL.FW.W.0008.110215T1600Z-110215T2300Z/ GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER- 314 AM EST TUE FEB 15 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST THIS EVENING. RELATIVE HUMIDITIES WILL FALL TO LESS THAN 35 PERCENT FOR 4 OR MORE CONSECUTIVE HOURS ACROSS GLADES...HENDRY...AND COLLIER COUNTIES THIS AFTERNOON. LOWEST VALUES ARE FORECAST TO BE BETWEEN 28 AND 34 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ BETTWY
Nearby
Red Flag Warnings in Florida, 2011Every red flag warning in 2011
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.