Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 3, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Feb 12, 2012, 3:46 AM EST for 4 counties in Florida. It took effect at Feb 12, 2012, 9:00 AM EST. 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
- Feb 12, 2012, 3:46 AM EST (08:46 UTC)
- In effect from
- Feb 12, 2012, 9:00 AM EST
- Expired
- Feb 12, 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
The radar
The Miami radar (KAMX), 48 km from the middle of the area, began a volume at 08:45 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, 8.8 hours before the alert went out and 53 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
- 1247 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
309 WWUS82 KMFL 120846 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 346 AM EST SUN FEB 12 2012 ..RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM EST THIS EVENING FOR ALL AREAS, EXCEPT METRO AND COASTAL PALM BEACH COUNTY, FOR RELATIVE HUMIDITY BELOW 35 PERCENT AND 20 FOOT WINDS OF 15 MPH OR HIGHER... FLZ068-168-121000- /O.CAN.KMFL.FW.A.0002.120212T1500Z-120212T2300Z/ METRO PALM BEACH-COASTAL PALM BEACH- 346 AM EST SUN FEB 12 2012 ...FIRE WEATHER WATCH IS CANCELLED FOR FIRE WEATHER ZONES 068 AND 168... THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE FIRE WEATHER WATCH. ALTHOUGH RELATIVE HUMIDITY VALUES ARE FORECAST TO FALL TO 35% OR BELOW OVER METRO AND COASTAL AREAS OF PALM BEACH COUNTY, THESE ARE EXPECTED TO BE OF SHORT DURATION AS A SHIFT TO A MORE ONSHORE WIND FLOW IS EXPECTED TO TRANSPORT LOW LEVEL MOISTURE BACK OVER THE AREA THIS AFTERNOON. $$ FLZ063-066-067-069>075-172>174-122300- /O.UPG.KMFL.FW.A.0002.120212T1500Z-120212T2300Z/ /O.NEW.KMFL.FW.W.0003.120212T1400Z-120212T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-COASTAL COLLIER-INLAND COLLIER- INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE- MAINLAND MONROE-COASTAL BROWARD-COASTAL MIAMI DADE- FAR SOUTH MIAMI DADE- 346 AM EST SUN FEB 12 2012 ...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM EST THIS EVENING FOR RELATIVE HUMIDITY BELOW 35 PERCENT AND 20 FOOT WINDS OF 15 MPH OR HIGHER FOR FIRE WEATHER ZONES 063... 066...067...069...070...071...072...073...074...075...172... 173 AND 174... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 6 PM EST THIS EVENING. * WIND...20 FOOT WINDS NEAR 15 MPH * HUMIDITY...BELOW 35 PERCENT OF 4 OR MORE CONSECUTIVE HOURS * ENERGY RELEASE COMPONENT (ERC)...BELOW 35 ALL ZONES. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
1 follow-up statement
396 WWUS82 KMFL 121936 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 236 PM EST SUN FEB 12 2012 FLZ063-066-067-069>075-172>174-122300- /O.CON.KMFL.FW.W.0003.000000T0000Z-120212T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-COASTAL COLLIER-INLAND COLLIER- INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE- MAINLAND MONROE-COASTAL BROWARD-COASTAL MIAMI DADE- FAR SOUTH MIAMI DADE- 236 PM EST SUN FEB 12 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING FOR RELATIVE HUMIDITY BELOW 35 PERCENT AND 20 FOOT WINDS OF 15 MPH FOR FIRE WEATHER ZONES 063...066...067...069...070...071...072...073 ...074...075...172...173 AND 174... * WIND...20 FOOT WINDS NEAR 15 MPH * HUMIDITY...BELOW 35 PERCENT OF 4 OR MORE CONSECUTIVE HOURS * ENERGY RELEASE COMPONENT (ERC)...BELOW 35 ALL ZONES. * 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. && $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 2:30 PM EST | Freeze Warning | MFL | Glades | 18 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.