Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 21, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Mar 12, 2007, 7:53 AM EDT for Collier County, Florida. It took effect at Mar 12, 2007, 2:00 PM EDT. It was in force for 4 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
- Mar 12, 2007, 7:53 AM EDT (11:53 UTC)
- In effect from
- Mar 12, 2007, 2:00 PM EDT
- Expired
- Mar 12, 2007, 5:40 PM EDT
- In force
- 4 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 11:52 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, 11.9 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
- 1360 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- -31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KMFL 121153 RFWMFL RED FLAG WARNING NATIONAL WEATHER SERVICE MIAMI FL 753 AM EDT MON MAR 12 2007 FLZ063-066-069-070-122300- /O.UPG.KMFL.FW.A.0012.070312T1700Z-070312T2300Z/ /O.NEW.KMFL.FW.W.0021.070312T1800Z-070312T2300Z/ GLADES-HENDRY-WESTERN COLLIER-EASTERN COLLIER- 753 AM EDT MON MAR 12 2007 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING FOR GLADES, HENDRY, AND INTERIOR COLLIER COUNTIES FOR RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 4 HOURS OR MORE... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. DRY AIR WILL CONTINUE IN THE LOW LEVELS OF THE ATMOSPHERE TODAY AND WITH AFTERNOON HEATING...THIS DRY AIR WILL MIX DOWN TO LOWER RELATIVE HUMIDITIES TO CRITICAL LEVELS. IN FACT...RELATIVE HUMIDITIES BELOW 35 PERCENT ARE EXPECTED FOR 4 HOURS OR MORE ACROSS MUCH OF GLADES...HENDRY...AND INTERIOR COLLIER COUNTIES. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITIES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ DG/BB
2 follow-up statements
000 WWUS82 KMFL 121842 RFWMFL RED FLAG WARNING NATIONAL WEATHER SERVICE MIAMI FL 242 PM EDT MON MAR 12 2007 FLZ063-066-070-122300- /O.NEW.KMFL.FW.A.0013.070313T1700Z-070313T2300Z/ /O.CON.KMFL.FW.W.0021.000000T0000Z-070312T2300Z/ GLADES-HENDRY-EASTERN COLLIER- 242 PM EDT MON MAR 12 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. RELATIVE HUMIDITIES WILL CONTINUE TO FALL OVER THE NEXT FEW HOURS...TO BELOW 35 PERCENT. THESE LOW RHS ALONG WITH THE ABNORMALLY DRY SOILS WILL LEAD TO EXPLOSIVE FIRE GROWTH POTENTIAL ACROSS THE AREA THROUGH THE REST OF THIS AFTERNOON. CRITICAL RHS AGAIN MAY OCCUR ACROSS THE AREA TUESDAY AFTERNOON...POSSIBLY FOR LONG DURATION. FOR THIS REASON...A FIRE WEATHER WATCH HAS BEEN ISSUED FOR THE AREA FROM 1 PM TO 7 PM EDT TUESDAY. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ FLZ069-122300- /O.CON.KMFL.FW.W.0021.000000T0000Z-070312T2300Z/ WESTERN COLLIER- 242 PM EDT MON MAR 12 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... RELATIVE HUMIDITIES OF BELOW 35 PERCENT ARE EXPECTED TO CONTINUE THROUGH THE REST OF THE AFTERNOON. RHS COULD EVEN LOWER INTO THE 20S ESPECIALLY A FEW MILES INLAND FROM THE COAST. THESE VERY LOW RHS WILL LEAD TO EXPLOSIVE FIRE GROWTH POTENTIAL ACROSS THE AREA THROUGH THE REST OF THE AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITIES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ GREGORIA
000 WWUS82 KMFL 122140 RFWMFL RED FLAG WARNING NATIONAL WEATHER SERVICE MIAMI FL 540 PM EDT MON MAR 12 2007 FLZ063-066-070-130545- /O.CAN.KMFL.FW.W.0021.000000T0000Z-070312T2300Z/ /O.CON.KMFL.FW.A.0013.070313T1700Z-070313T2300Z/ GLADES-HENDRY-EASTERN COLLIER- 540 PM EDT MON MAR 12 2007 ...RED FLAG WARNING IS CANCELLED... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG WARNING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. SURFACE OBSERVATIONS ACROSS WESTERN INTERIOR SECTIONS OF SOUTH FLORIDA INDICATE THAT RELATIVE HUMIDITY VALUES HAVE BEEN ABOVE 35 PERCENT FOR THE PAST TWO HOURS. LATEST MODELS ALSO SHOW THAT THE RELATIVE HUMIDITY SHOULD CONTINUE TO INCREASE FOR THE REST OF THIS AFTERNOON. FOR THIS REASON...THE RED FLAG WARNING THAT WAS IN EFFECT FOR GLADES, HENDRY AND COLLIER COUNTIES HAS BEEN CANCELLED. CRITICAL RELATIVE HUMIDITY VALUES ARE EXPECTED AGAIN ACROSS THIS SAME AREA TUESDAY AFTERNOON... POSSIBLY FOR LONG DURATION. FOR THIS REASON...A FIRE WEATHER WATCH HAS BEEN ISSUED FOR THE AREA FROM 1 PM TO 7 PM EDT TUESDAY. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ FLZ069-122245- /O.CAN.KMFL.FW.W.0021.000000T0000Z-070312T2300Z/ WESTERN COLLIER- 540 PM EDT MON MAR 12 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG WARNING. SURFACE OBSERVATIONS ACROSS WESTERN COLLIER INDICATE THAT RELATIVE HUMIDITY VALUES HAVE BEEN ABOVE 35 PERCENT FOR THE PAST TWO HOURS. LATEST MODELS ALSO SHOW THAT THE RELATIVE HUMIDITY SHOULD CONTINUE TO INCREASE FOR THE REST OF THIS AFTERNOON. FOR THIS REASON...THE RED FLAG WARNING THAT WAS IN EFFECT FOR WESTERN COLLIER HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 5:09 AM EDT | Marine Weather Statement | MFL | 15 hr | |
| Mar 12, 2:42 PM EDT | Fire Weather Watch | MFL | 17 hr |
Nearby
Red Flag Warnings in Florida, 2007Every red flag warning in 2007
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.