Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 17, NWS Miami, FL
NWS Miami, FL issued this red flag warning at May 9, 2011, 5:06 AM EDT for Collier County, Florida. It took effect at May 9, 2011, 12:00 PM EDT. It was in force for 8 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
- May 9, 2011, 5:06 AM EDT (09:06 UTC)
- In effect from
- May 9, 2011, 12:00 PM EDT
- Expired
- May 9, 2011, 8:00 PM EDT
- In force
- 8 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 09:06 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, 9.1 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
- 1065 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1102 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
272 WWUS82 KMFL 090906 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 506 AM EDT MON MAY 9 2011 FLZ063-066-100000- /O.UPG.KMFL.FW.A.0011.110509T1600Z-110510T0000Z/ /O.NEW.KMFL.FW.W.0017.110509T1600Z-110510T0000Z/ GLADES-HENDRY- 506 AM EDT MON MAY 9 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR RELATIVE HUMIDITY VALUES BELOW 35 PERCENT FOR COLLIER, GLADES, AND HENDRY COUNTIES... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. RELATIVE HUMIDITIES WILL FALL BETWEEN 25 AND 35 PERCENT FOR SEVERAL HOURS OVER GLADES, HENDRY, AND COLLIER COUNTIES THIS AFTERNOON INTO EARLY EVENING... WHILE THE FORECAST ENERGY RELEASE COMPONENT IS 35 OR HIGHER. A SEA BREEZE IS EXPECTED TO DEVELOP AND MOVE INLAND LIMITING AREAS NEAR THE COAST OF COLLIER COUNTY TO UNDER 4 HOURS DURATION OF SUB 35 PERCENT, HOWEVER THE FAR EAST SECTIONS OF THE COASTAL COLLIER ZONE WILL STILL SEE A MARGINAL 4 HOURS DURATION OF 35 PERCENT OR LESS RELATIVE HUMIDITY. 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. && $$ FLZ069-070-100000- /O.NEW.KMFL.FW.W.0017.110509T1600Z-110510T0000Z/ COASTAL COLLIER-INLAND COLLIER- 506 AM EDT MON MAY 9 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR RELATIVE HUMIDITY VALUES BELOW 35 PERCENT FOR COLLIER, GLADES, AND HENDRY COUNTIES... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING. RELATIVE HUMIDITIES WILL FALL BETWEEN 25 AND 35 PERCENT FOR SEVERAL HOURS OVER GLADES, HENDRY, AND COLLIER COUNTIES THIS AFTERNOON INTO EARLY EVENING... WHILE THE FORECAST ENERGY RELEASE COMPONENT IS 35 OR HIGHER. A SEA BREEZE IS EXPECTED TO DEVELOP AND MOVE INLAND LIMITING AREAS NEAR THE COAST OF COLLIER COUNTY TO UNDER 4 HOURS DURATION OF SUB 35 PERCENT, HOWEVER THE FAR EAST SECTIONS OF THE COASTAL COLLIER ZONE WILL STILL SEE A MARGINAL 4 HOURS DURATION OF 35 PERCENT OR LESS RELATIVE HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
2 follow-up statements
525 WWUS82 KMFL 091904 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 304 PM EDT MON MAY 9 2011 FLZ063-066-070-100000- /O.NEW.KMFL.FW.A.0012.110510T1800Z-110511T0000Z/ /O.CON.KMFL.FW.W.0017.000000T0000Z-110510T0000Z/ GLADES-HENDRY-INLAND COLLIER- 304 PM EDT MON MAY 9 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 4 HOURS OR MORE ALONG WITH ENERGY RELEASE COMPONENT IS 35 OR HIGHER ABOVE 35 FOR GLADES...HENDRY...AND INLAND COLLIER COUNTIES... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 4 HOURS OR MORE ALONG WITH ENERGY RELEASE COMPONENT ABOVE 35 FOR GLADES...HENDRY...AND INLAND COLLIER COUNTIES... RELATIVE HUMIDITIES WILL FALL BETWEEN 25 AND 35 PERCENT FOR SEVERAL HOURS OVER GLADES...HENDRY...AND INLAND COLLIER COUNTIES THIS AFTERNOON INTO EARLY EVENING...WHILE THE FORECAST ENERGY RELEASE COMPONENT IS 35 OR HIGHER. THEREFORE...A RED FLAG WARNING REMAINS IN EFFECT FOR INLAND COLLIER...GLADES...AND HENDRY COUNTIES UNTIL 8 PM EDT THIS EVENING. THE RELATIVE HUMIDITIES WILL ALSO FALL BETWEEN 25 AND 35 PERCENT FOR SEVERAL HOURS OVER GLADES...HENDRY...AND INLAND COLLIER COUNTIES TUESDAY AFTERNOON WITH THE FORECAST ENERGY RELEASE COMPONENT IS 35 OR HIGHER. THEREFORE...A FIRE WEATHER WATCH HAS BEEN ISSUED FOR THESE COUNTIES TUESDAY AFTERNOON. 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. && $$ FLZ069-100000- /O.CON.KMFL.FW.W.0017.000000T0000Z-110510T0000Z/ COASTAL COLLIER- 304 PM EDT MON MAY 9 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 4 HOURS OR MORE ALONG WITH ENERGY RELEASE COMPONENT IS 35 OR HIGHER ABOVE 35 FOR METRO COLLIER COUNTY... A SEA BREEZE IS EXPECTED TO DEVELOP AND MOVE INLAND LIMITING AREAS NEAR THE COAST OF COLLIER COUNTY TO UNDER 4 HOURS DURATION OF SUB 35 PERCENT...HOWEVER THE FAR EAST SECTIONS OF THE COASTAL COLLIER ZONE WILL STILL SEE A MARGINAL 4 HOURS DURATION OF 35 PERCENT OR LESS RELATIVE HUMIDITY ALONG WITH THE ENERGY RELEASE COMPONENT IS 35 OR HIGHER. THEREFORE...THE RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR METRO COLLIER COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ BAXTER
917 WWUS82 KMFL 100007 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 807 PM EDT MON MAY 9 2011 FLZ063-066-070-101200- /O.EXP.KMFL.FW.W.0017.000000T0000Z-110510T0000Z/ /O.CON.KMFL.FW.A.0012.110510T1800Z-110511T0000Z/ GLADES-HENDRY-INLAND COLLIER- 807 PM EDT MON MAY 9 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 4 HOURS OR MORE ALONG WITH ENERGY RELEASE COMPONENT ABOVE 35 FOR GLADES...HENDRY...AND INLAND COLLIER COUNTIES... RELATIVE HUMIDITIES ARE STILL EXPECTED TO FALL BETWEEN 25 AND 35 PERCENT FOR SEVERAL HOURS OVER GLADES...HENDRY...AND INLAND COLLIER COUNTIES TUESDAY AFTERNOON INTO EARLY EVENING...WITH THE FORECAST ENERGY RELEASE COMPONENT NEAR 35 OR HIGHER. THEREFORE...A FIRE WEATHER WATCH WILL REMAIN ACTIVE FOR THESE COUNTIES. 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. && $$ FLZ069-100115- /O.EXP.KMFL.FW.W.0017.000000T0000Z-110510T0000Z/ COASTAL COLLIER- 807 PM EDT MON MAY 9 2011 ...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING FOR FOR RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 4 HOURS OR MORE ALONG WITH ENERGY RELEASE COMPONENT IS 35 OR HIGHER ABOVE 35 FOR GLADES...HENDRY...AND INLAND COLLIER COUNTIES... THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM EDT THIS EVENING. $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 8:45 PM EDT | Fire Weather Watch | MFL | 84 min | |
| May 8, 10:09 PM EDT | Fire Weather Watch | MFL | 7 hr | |
| May 9, 3:04 PM EDT | Fire Weather Watch | MFL | 15 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.