Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 21, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Jun 4, 2011, 3:52 AM EDT for Collier County, Florida. It took effect at Jun 4, 2011, 2:00 PM EDT. It was in force for 3 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
- Jun 4, 2011, 3:52 AM EDT (07:52 UTC)
- In effect from
- Jun 4, 2011, 2:00 PM EDT
- Expired
- Jun 4, 2011, 5:04 PM EDT
- In force
- 3 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 07:58 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, 7.9 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
- 156 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1163 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
277 WWUS82 KMFL 040752 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 352 AM EDT SAT JUN 4 2011 FLZ063-066-069-070-042200- /O.NEW.KMFL.FW.W.0021.110604T1800Z-110604T2200Z/ GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER- 352 AM EDT SAT JUN 4 2011 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM EDT THIS EVENING FOR BELOW 35 PERCENT RELATIVE HUMIDITIES AND 15 MPH 20 FOOT WINDS FOR GLADES...HENDRY...AND COLLIER COUNTIES... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM EDT THIS EVENING FOR GLADES...HENDRY...AND COLLIER COUNTIES. TEMPERATURES THIS AFTERNOON WILL WARM UP INTO THE LOWER TO MID 90S OVER THE WESTERN INTERIOR AND WEST COAST METRO AREAS OF SOUTH FLORIDA WITH DEW POINTS IN THE LOWER TO MID 60S. THIS WILL ALLOW FOR THE RELATIVE HUMIDITIES TO FALL INTO THE LOWER TO MID 30S OVER THE WESTERN INTERIOR AND WEST COAST METRO AREAS OF SOUTH FLORIDA THIS AFTERNOON. AT THE SAME TIME...THE 20 FOOT WINDS WILL ALSO BE AROUND 15 MPH TODAY OVER THESE AREAS. THEREFORE...A RED FLAG WARNING HAS BEEN ISSUED FOR GLADES...HENDRY...AND COLLIER COUNTIES THIS AFTERNOON. 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. && $$ BAXTER
1 follow-up statement
934 WWUS82 KMFL 042104 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 504 PM EDT SAT JUN 4 2011 FLZ063-066-069-070-042215- /O.CAN.KMFL.FW.W.0021.000000T0000Z-110604T2200Z/ GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER- 504 PM EDT SAT JUN 4 2011 ...RED FLAG WARNING IS CANCELLED FOR FOR GLADES...HENDRY...AND COLLIER COUNTIES... THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG WARNING. RELATIVE HUMIDITIES WILL REMAIN AT OR ABOVE 35 PERCENT...WHILE SUSTAINED 20 FOOT WINDS WILL REMAIN LESS THAN 15 MPH...FOR THE REMAINDER OF THE AFTERNOON AND EVENING. $$
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.