Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 7, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Apr 23, 2012, 6:17 AM EDT for 5 counties in Florida. It took effect at Apr 23, 2012, 12:00 PM EDT. 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
- Apr 23, 2012, 6:17 AM EDT (10:17 UTC)
- In effect from
- Apr 23, 2012, 12:00 PM EDT
- Expired
- Apr 23, 2012, 6:00 PM EDT
- In force
- 6 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 10:22 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, 10.3 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
- 48 J/kg
- Mixed-layer CIN
- -200 J/kg
- Mixed-layer LCL
- 1277 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
026 WWUS82 KMFL 231017 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 617 AM EDT MON APR 23 2012 ...RED FLAG WARNING IN EFFECT TODAY FOR MOST OF SOUTH FLORIDA... ...FIRE WEATHER WATCH ALL OF SOUTH FLORIDA TUESDAY... FLZ063-066>074-168-172-173-231830- /O.NEW.KMFL.FW.W.0007.120423T1600Z-120423T2200Z/ /O.NEW.KMFL.FW.A.0004.120424T1500Z-120424T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE- METRO MIAMI DADE-COASTAL PALM BEACH-COASTAL BROWARD- COASTAL MIAMI DADE- 617 AM EDT MON APR 23 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING FOR EXPECTED RELATIVE HUMIDITIES BELOW 35 PERCENT COMBINED WITH 20 FOOT WINDS GREATER THAN 15 MPH AND AN ENERGY RELEASE COMPONENT ABOVE 20 FOR FIRE WEATHER ZONES 063...066... 067...068...069...070...071...072...073...074...168...172 AND 173... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR EXPECTED RELATIVE HUMIDITIES BELOW 35 PERCENT FOR FOUR OR MORE HOURS FOR FIRE WEATHER ZONES 063... 066...067...068...069...070...071...072...073...074...168... 172 AND 173... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 063...066...067...068... 069...070...071...072...073...074...168...172 AND 173. * WIND...NORTHWEST WINDS FROM 15 TO 20 MPH WITH HIGHER GUSTS. * HUMIDITY...30 TO 35 PERCENT THROUGH THE AFTERNOON PERIOD FOR SEVERAL HOURS. * ENERGY RELEASE COMPONENT (ERC)...28 TO 34 THROUGH THE PERIOD. * 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ FLZ075-174-231830- /O.NEW.KMFL.FW.A.0004.120424T1500Z-120424T2300Z/ MAINLAND MONROE-FAR SOUTH MIAMI DADE- 617 AM EDT MON APR 23 2012 ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR EXPECTED RELATIVE HUMIDITIES BELOW 35 PERCENT FOR FOUR OR MORE HOURS FOR FIRE WEATHER ZONES 075 AND 174... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 075 AND 174. * WIND...NORTHWEST WINDS 10 TO 15 MPH. * HUMIDITY...MINIMUM RELATIVE HUMIDITIES BELOW CRITICAL LEVELS FOR 4 OR MORE HOURS. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
1 follow-up statement
960 WWUS82 KMFL 231200 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 800 AM EDT MON APR 23 2012 ...RED FLAG WARNING IN EFFECT TODAY FOR ALL OF SOUTH FLORIDA... ...FIRE WEATHER WATCH ALL OF SOUTH FLORIDA TUESDAY... FLZ075-174-232200- /O.EXA.KMFL.FW.W.0007.120423T1600Z-120423T2200Z/ /O.CON.KMFL.FW.A.0004.120424T1500Z-120424T2300Z/ MAINLAND MONROE-FAR SOUTH MIAMI DADE- 800 AM EDT MON APR 23 2012 ...RED FLAG WARNING IS NOW IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT WITH A DISPERSION OF 75 TO 80 ALONG WITH THE ENERGY RELEASE COMPONENT OF GREATER THAN 20 FOR ALL OF SOUTH FLORIDA. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT ALONG WITH 20 FOOT WINDS AROUND 15 MPH FOR ALL OF SOUTH FLORIDA. * AFFECTED AREA...ALL OF SOUTH FLORIDA. * WIND...NORTHWEST WINDS FROM 15 TO 20 MPH WITH HIGHER GUSTS THIS AFTERNOON AND AROUND 15 MPH TUESDAY AFTERNOON. * HUMIDITY...UPPER 20S TO LOWER 30S THROUGH THE AFTERNOON PERIOD FOR SEVERAL HOURS...AND MID TO UPPER 20S TUESDAY AFTERNOON. * ENERGY RELEASE COMPONENT (ERC)...28 TO 34 THROUGH THE PERIOD THIS AFTERNOON AND AROUND 30 TO 35 TUESDAY AFTERNOON. * 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ FLZ063-066>074-168-172-173-232200- /O.CON.KMFL.FW.W.0007.120423T1600Z-120423T2200Z/ /O.CON.KMFL.FW.A.0004.120424T1500Z-120424T2300Z/ GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE- METRO MIAMI DADE-COASTAL PALM BEACH-COASTAL BROWARD- COASTAL MIAMI DADE- 800 AM EDT MON APR 23 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT WITH A DISPERSION OF 75 TO 80 ALONG WITH THE ENERGY RELEASE COMPONENT OF GREATER THAN 20 FOR ALL OF SOUTH FLORIDA. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT ALONG WITH 20 FOOT WINDS AROUND 15 MPH FOR ALL OF SOUTH FLORIDA. * AFFECTED AREA...ALL OF SOUTH FLORIDA. * WIND...NORTHWEST WINDS FROM 15 TO 20 MPH WITH HIGHER GUSTS THIS AFTERNOON AND AROUND 15 MPH TUESDAY AFTERNOON. * HUMIDITY...UPPER 20S TO LOWER 30S THROUGH THE AFTERNOON PERIOD FOR SEVERAL HOURS...AND MID TO UPPER 20S TUESDAY AFTERNOON. * ENERGY RELEASE COMPONENT (ERC)...28 TO 34 THROUGH THE PERIOD THIS AFTERNOON AND AROUND 30 TO 35 TUESDAY AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ BAXTER
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 6:17 AM EDT | Fire Weather Watch | MFL | Broward, Collier, Miami-Dade, Monroe, Palm Beach | 22 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.