Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 6, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Feb 12, 2011, 2:14 PM EST for Collier County, Florida. It took effect at Feb 13, 2011, 11:00 AM EST. It was in force for 7 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, 2011, 2:14 PM EST (19:14 UTC)
- In effect from
- Feb 13, 2011, 11:00 AM EST
- Expired
- Feb 13, 2011, 6:00 PM EST
- In force
- 7 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 19:16 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 12:00Z, 7.2 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
- 1103 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
239 WWUS82 KMFL 121914 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 214 PM EST SAT FEB 12 2011 FLZ063-066-130900- /O.UPG.KMFL.FW.A.0007.110213T1700Z-110213T2300Z/ /O.NEW.KMFL.FW.W.0006.110213T1700Z-110213T2300Z/ /O.NEW.KMFL.FW.A.0008.110214T1800Z-110214T2300Z/ /O.CON.KMFL.FW.W.0005.000000T0000Z-110212T2300Z/ GLADES-HENDRY- 214 PM EST SAT FEB 12 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... ...RED FLAG WARNING NOW IN EFFECT FROM NOON TO 6 PM EST SUNDAY... ...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM EST SUNDAY. THIS REPLACES THE PREVIOUS FIRE WEATHER WATCH. A NEW FIRE WEATHER WATCH HAS ISSUED FOR MONDAY AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING. CONSIDERABLY DRIER CONDITIONS HAS MOVED INTO SOUTHWEST FLORIDA THIS AFTERNOON AS CONTINENTAL HIGH PRESSURE BUILDS FROM THE NORTHWEST. AS A RESULT, RELATIVE HUMIDITY VALUES WILL FALL TO LESS THAN 35 PERCENT FOR 4 OR MORE CONSECUTIVE HOURS THIS AFTERNOON ACROSS GLADES AND HENDRY COUNTIES. LOWEST VALUES ARE FORECAST TO BE BETWEEN 28 AND 30 PERCENT OVER NORTHERN AND WESTERN PORTIONS OF BOTH COUNTIES. EVEN DRIER AIR WILL MOVE INTO THE REGION SUNDAY AFTERNOON, WITH LOWEST RELATIVE HUMIDITY VALUES OF 24 TO 27 PERCENT ACROSS NORTHERN AND WESTERN PORTIONS OF BOTH COUNTIES AND 28 TO 32 PERCENT ELSEWHERE. DRY AIR WILL LINGER ON MONDAY, WITH LOWEST AFTERNOON HUMIDITY VALUES OF 28 TO 30 PERCENT POSSIBLE OVER MUCH OF GLADES AND HENDRY COUNTIES. 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. && $$ FLZ069-070-130900- /O.UPG.KMFL.FW.A.0007.110213T1700Z-110213T2300Z/ /O.NEW.KMFL.FW.W.0006.110213T1700Z-110213T2300Z/ /O.CON.KMFL.FW.W.0005.000000T0000Z-110212T2300Z/ COASTAL COLLIER-INLAND COLLIER- 214 PM EST SAT FEB 12 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... ...RED FLAG WARNING NOW IN EFFECT FROM NOON TO 6 PM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM EST SUNDAY. THIS REPLACES THE PREVIOUS FIRE WEATHER WATCH. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING. CONSIDERABLY DRIER CONDITIONS HAS MOVED INTO SOUTHWEST FLORIDA THIS AFTERNOON AS CONTINENTAL HIGH PRESSURE BUILDS FROM THE NORTHWEST. AS A RESULT, RELATIVE HUMIDITY VALUES WILL FALL TO LESS THAN 35 PERCENT FOR 4 OR MORE CONSECUTIVE HOURS THIS AFTERNOON ACROSS MUCH OF COLLIER COUNTY. LOWEST RELATIVE HUMIDITY VALUES OF 30 TO 34 PERCENT ARE EXPECTED OVER NORTHERN AND WESTERN SECTIONS OF COLLIER COUNTY, WITH SLIGHTLY HIGHER VALUES OVER EASTERN SECTIONS. EVEN DRIER AIR WILL MOVE INTO THE REGION SUNDAY AFTERNOON, WITH LOWEST RELATIVE HUMIDITY VALUES OF 27 TO 30 PERCENT ACROSS NORTHERN AND WESTERN SECTIONS OF COLLIER COUNTY AND 30 TO 34 PERCENT OVER MOST OF CENTRAL AND EASTERN COLLIER COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ MOLLEDA
2 follow-up statements
567 WWUS82 KMFL 130749 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 249 AM EST SUN FEB 13 2011 FLZ063-066-132300- /O.EXT.KMFL.FW.W.0006.110213T1600Z-110213T2300Z/ /O.CON.KMFL.FW.A.0008.110214T1800Z-110214T2300Z/ GLADES-HENDRY- 249 AM EST SUN FEB 13 2011 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON... THE RED FLAG WARNING IS NOW IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON. RELATIVE HUMIDITIES WILL FALL TO LESS THAN 35 PERCENT FOR 4 OR MORE CONSECUTIVE HOURS ACROSS GLADES AND HENDRY COUNTIES TODAY. LOWEST VALUES ARE FORECAST TO BE BETWEEN 25 AND 28 PERCENT OVER NORTHERN AND WESTERN PORTIONS OF BOTH COUNTIES. DRY AIR WILL LINGER ON MONDAY...WITH LOWEST AFTERNOON HUMIDITY VALUES OF 27 TO 30 PERCENT POSSIBLE OVER MUCH OF GLADES AND HENDRY COUNTIES. 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. && $$ FLZ069-070-132300- /O.EXT.KMFL.FW.W.0006.110213T1600Z-110213T2300Z/ COASTAL COLLIER-INLAND COLLIER- 249 AM EST SUN FEB 13 2011 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST THIS EVENING... THE RED FLAG WARNING IS NOW IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST THIS EVENING. RELATIVE HUMIDITY VALUES WILL FALL TO LESS THAN 35 PERCENT FOR 4 OR MORE CONSECUTIVE HOURS ACROSS MUCH OF COLLIER COUNTY TODAY. LOWEST RELATIVE HUMIDITY VALUES OF 30 TO 34 PERCENT ARE EXPECTED OVER NORTHERN AND WESTERN SECTIONS OF COLLIER COUNTY...WITH SLIGHTLY HIGHER VALUES OVER EASTERN SECTIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ BETTWY
596 WWUS82 KMFL 131857 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 157 PM EST SUN FEB 13 2011 FLZ063-066-140300- /O.CON.KMFL.FW.W.0006.000000T0000Z-110213T2300Z/ /O.CON.KMFL.FW.A.0008.110214T1800Z-110214T2300Z/ GLADES-HENDRY- 157 PM EST SUN FEB 13 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON. RELATIVE HUMIDITIES COULD STILL FALL TO LESS THAN 35 PERCENT FOR 4 OR MORE HOURS ACROSS GLADES AND HENDRY COUNTIES THIS AFTERNOON. LOWEST VALUES ARE FORECAST TO BE BETWEEN 25 AND 30 PERCENT OVER NORTHERN AND WESTERN PORTIONS OF BOTH COUNTIES. DRY AIR WILL LINGER ON MONDAY...WITH LOWEST AFTERNOON HUMIDITY VALUES OF 25 TO 30 PERCENT POSSIBLE OVER MUCH OF GLADES AND HENDRY COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR ARE HIGHLY LIKELY SHORTLY IN THIS CASE. LOW RELATIVE HUMIDITY ALONG WITH WINDS COULD CREATE FAVORABLE CONDITIONS FOR FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ FLZ070-140300- /O.EXA.KMFL.FW.A.0008.110214T1800Z-110214T2300Z/ /O.CON.KMFL.FW.W.0006.000000T0000Z-110213T2300Z/ INLAND COLLIER- 157 PM EST SUN FEB 13 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING. RELATIVE HUMIDITIES ARE STILL HIGHLY LIKELY TO FALL TO LESS THAN 35 PERCENT FOR 4 HOURS OR LONGER ACROSS INLAND COLLIER COUNTY THIS AFTERNOON. LOWEST VALUES ARE FORECAST TO BE BETWEEN 30 AND 35 PERCENT OVER NORTHERN AND WESTERN PORTIONS OF THE AREA. DRY AIR WILL LINGER ON MONDAY...WITH LOWEST AFTERNOON HUMIDITY VALUES OF 30 TO 35 PERCENT POSSIBLE OVER MUCH OF THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR ARE HIGHLY LIKELY SHORTLY IN THIS CASE. LOW RELATIVE HUMIDITY ALONG WITH WINDS COULD CREATE FAVORABLE CONDITIONS FOR FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ FLZ069-132300- /O.CON.KMFL.FW.W.0006.000000T0000Z-110213T2300Z/ COASTAL COLLIER- 157 PM EST SUN FEB 13 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING. RELATIVE HUMIDITY VALUES COULD STILL FALL TO LESS THAN 35 PERCENT FOR 4 OR MORE HOURS ACROSS THE AREA THIS AFTERNOON. LOWEST RELATIVE HUMIDITY VALUES OF 30 TO 35 PERCENT ARE POSSIBLE OVER THE INLAND AREAS OF COASTAL COLLIER...WITH SLIGHTLY HIGHER VALUES ALONG THE COAST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR ARE STILL POSSIBLE SHORTLY IN THIS CASE. LOW RELATIVE HUMIDITY ALONG WITH WINDS COULD CREATE FAVORABLE CONDITIONS FOR 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, 2:50 AM EST | Small Craft Advisory | MFL | 34 hr | |
| Feb 12, 8:29 AM EST | Small Craft Advisory for Winds | MFL | 11 hr | |
| Feb 12, 2:14 PM EST | Fire Weather Watch | MFL | 37 hr |
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.