Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 12, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Nov 23, 2012, 3:12 AM EST for Collier County, Florida. It took effect at Nov 23, 2012, 12:00 PM EST. It was in force for 6 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
- Nov 23, 2012, 3:12 AM EST (08:12 UTC)
- In effect from
- Nov 23, 2012, 12:00 PM EST
- Expired
- Nov 23, 2012, 6:00 PM EST
- In force
- 6 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 08:16 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, 8.2 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
- 1847 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
797 WWUS82 KMFL 230812 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 312 AM EST FRI NOV 23 2012 ...RED FLAG WARNING THIS AFTERNOON FOR GLADES,HENDRY AND NORTHWEST COLLIER COUNTIES DUE TO A COMBINATION OF SUSTAINED LOW RELATIVE HUMIDITIES BELOW 35 PERCENT AND AN ENERGY RELEASE COMPONENT AROUND 35... FLZ063-066-069-070-232300- /O.NEW.KMFL.FW.W.0012.121123T1700Z-121123T2300Z/ GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER- 312 AM EST FRI NOV 23 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS EVENING FOR FIRE WEATHER ZONES 063...066...069 AND 070... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EST THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 063...066...069 AND 070. * HUMIDITY...SUSTAINED RELATIVE HUMIDITY BELOW 35 PERCENT FOR 4 HOURS OR MORE CONSECUTIVE HOURS. * ENERGY RELEASE COMPONENT (ERC)...OF 35 OR POSSIBLY HIGHER. * HIGHEST THREAT...IS LOCATED IN WESTERN GLADES COUNTY, WESTERN HENDRY COUNTY AND NORTHWEST COLLIER COUNTY NORTH OF A LINE FROM NAPLES TO IMMOKALEE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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. && $$
1 follow-up statement
907 WWUS82 KMFL 232302 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 602 PM EST FRI NOV 23 2012 FLZ063-066-069-070-240015- /O.EXP.KMFL.FW.W.0012.000000T0000Z-121123T2300Z/ GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER- 602 PM EST FRI NOV 23 2012 ...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONES 063... 066...069 AND 070... RELATIVE HUMIDITIES ARE RISING ABOVE CRITICAL LEVELS, THEREFORE THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. $$
Nearby
Red Flag Warnings in Florida, 2012Every red flag warning in 2012
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.