Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 15, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Dec 22, 2012, 9:01 AM EST for 5 counties in Florida. It was in force for 9 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
- Dec 22, 2012, 9:01 AM EST (14:01 UTC)
- Expired
- Dec 22, 2012, 6:00 PM EST
- In force
- 9 hr
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Collier County, FL, Miami-Dade County, FL, Monroe County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 55 km from the middle of the area, began a volume at 14:07 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 12:00Z, 2.0 hours before the alert went out and 50 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
- 2379 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -149 m²/s²
- 0-3 km storm-relative helicity
- -138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
121 WWUS82 KMFL 221401 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 901 AM EST SAT DEC 22 2012 ...RED FLAG WARNING NOW IN EFFECT FOR ALL OF MAINLAND SOUTH FLORIDA DUE TO RELATIVE HUMIDITY VALUES OF 20 TO 30 PERCENT AND WINDS OF 15 MPH OR MORE... .VERY DRY AIR HAS OVERSPREAD THE REGION THIS MORNING, WITH RELATIVE HUMIDITY VALUES ALREADY AT CRITICAL VALUES ACROSS PARTS OF SOUTHEAST FLORIDA. HUMIDITY VALUES WILL LOWER TO CRITICAL VALUES ALL AREAS LATER THIS MORNING, WITH WINDS INCREASING TO 15 MPH OR GREATER FOR A SHORT TIME BETWEEN 11 AM AND 2 PM. FOR THIS REASON, A RED FLAG WARNING IS NOW IN EFFECT. FLZ063-066>075-168-172>174-222100- /O.NEW.KMFL.FW.W.0015.121222T1401Z-121222T2100Z/ GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE- METRO MIAMI DADE-MAINLAND MONROE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE- 901 AM EST SAT DEC 22 2012 ...RED FLAG WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON FOR FOR FIRE WEATHER ZONES 063...066...067...068...069...070...071... 072...073...074...075...168...172...173 AND 174... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. * AFFECTED AREA...FIRE WEATHER ZONES 063...066...067...068... 069...070...071...072...073...074...075...168...172...173 AND 174. * WIND...NORTH-NORTHWEST 15 TO 20 MPH NEAR THE COASTS AND AROUND 15 MPH INTERIOR SECTIONS. * HUMIDITY...20 TO 30 PERCENT. * ENERGY RELEASE COMPONENT (ERC)...23 TO 32. * HIGHEST THREAT...METRO PALM BEACH, BROWARD AND MIAMI-DADE COUNTIES WHERE RELATIVE HUMIDITY AND WINDS WILL BE AT CRITICAL LEVELS FOR AS MUCH AS 4 TO 6 HOURS. * 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. && $$ MOLLEDA
2 follow-up statements
595 WWUS82 KMFL 222042 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 342 PM EST SAT DEC 22 2012 ...RED FLAG WARNING EXTENDED FOR ALL OF MAINLAND SOUTH FLORIDA DUE TO RELATIVE HUMIDITY VALUES OF 20 TO 30 PERCENT AND WINDS OF 15 MPH OR MORE... FLZ063-066>075-168-172>174-222300- /O.EXT.KMFL.FW.W.0015.000000T0000Z-121222T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE- METRO MIAMI DADE-MAINLAND MONROE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE- 342 PM EST SAT DEC 22 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM EST THIS EVENING FOR CONTINUED LOW RH VALUES AND WINDS IN THE 15 TO 20 MPH RANGE FOR FIRE WEATHER ZONES 063...066...067...068...069...070...071...072...073... 074...075...168...172...173 AND 174... * AFFECTED AREA...FIRE WEATHER ZONES 063...066...067...068... 069...070...071...072...073...074...075...168...172...173 AND 174. * WIND...NORTH-NORTHWEST 15 TO 20 MPH NEAR THE COASTS AND AROUND 15 MPH INTERIOR SECTIONS. * HUMIDITY...20 TO 30 PERCENT. * ENERGY RELEASE COMPONENT (ERC)...23 TO 32. * HIGHEST THREAT...METRO PALM BEACH... BROWARD AND MIAMI-DADE COUNTIES WHERE RELATIVE HUMIDITY AND WINDS WILL BE AT CRITICAL LEVELS FOR AS MUCH AS 4 TO 6 HOURS. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
649 WWUS82 KMFL 222300 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 600 PM EST SAT DEC 22 2012 FLZ063-066>075-168-172>174-230000- /O.EXP.KMFL.FW.W.0015.000000T0000Z-121222T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE- METRO MIAMI DADE-MAINLAND MONROE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE- 600 PM EST SAT DEC 22 2012 ...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS EVENING FOR FIRE WEATHER ZONES 063...066...067...068...069...070...071...072... 073...074...075...168...172...173 AND 174... WHILE RH VALUES ARE STILL BELOW THE 35 PERCENT THRESHOLD EARLY THIS EVENING. HOWEVER, WINDS HAVE DIMINISHED TO GENERALLY 5 TO 10 MPH. RH VALUES WILL CONTINUE TO SLOWLY RISE OVER THE NEXT FEW HOURS AS TEMPERATURES DROP. $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 1:53 PM EST | Frost Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 17 hr |
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.