Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 64, NWS Miami, FL

November 15, 2007Collier County, Florida

NWS Miami, FL issued this red flag warning at Nov 15, 2007, 2:27 PM EST for Collier County, Florida. It took effect at Nov 16, 2007, 9:00 AM EST. It was in force for 10 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
Nov 15, 2007, 2:27 PM EST (19:27 UTC)
In effect from
Nov 16, 2007, 9:00 AM EST
Expired
Nov 16, 2007, 7:00 PM EST
In force
10 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 19:27 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, 7.5 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.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2007-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2007-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
89 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-13 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS82 KMFL 151927
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
227 PM EST THU NOV 15 2007

...RED FLAG WARNING ISSUED FOR GLADES, HENDRY AND COLLIER FOR FRIDAY...
...FIRE WEATHER WATCH REMAINS FOR THE REST OF MAINLAND SOUTH FLORIDA...

.A COLD FRONT WILL MOVE THROUGH MAINLAND SOUTH FLORIDA THIS
EVENING BRINGING THE COOLEST AND DRIEST AIR OF THE FALL SEASON SO
FAR. NORTHWEST TO NORTH WINDS WILL BE INCREASING TONIGHT BEHIND
THE FRONT AND BY MID MORNING FRIDAY SHOULD BE 15 TO 20 MPH AND
GUSTY. RELATIVE HUMIDITIES WILL BE DROPPING BELOW 35 PERCENT BY
LATE MORNING FRIDAY AND WILL REMAIN BELOW 35 PERCENT UNTIL LATE
AFTERNOON ACROSS GLADES, HENDRY AND COLLIER COUNTIES. 

FOR THE REST OF MAINLAND SOUTH FLORIDA, RELATIVE HUMIDITIES ARE
EXPECTED TO DROP BELOW 40 PERCENT BUT PERHAPS NOT AS LOW AS THOSE IN
GLADES, HENDRY AND COLLIER COUNTIES FOR AS LONG A TIME PERIOD.
THEREFORE, A FIRE WEATHER WATCH REMAINS IN EFFECT FOR FRIDAY BUT A
RED FLAG WARNING MAY ALSO BE REQUIRED FOR THIS AREA AS WELL.

FLZ063-066-069-070-160930-
/O.UPG.KMFL.FW.A.0038.071116T1400Z-071117T0000Z/
/O.NEW.KMFL.FW.W.0064.071116T1400Z-071117T0000Z/
GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER-
227 PM EST THU NOV 15 2007

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING WHICH IS IN EFFECT FROM 9 AM TO 7 PM EST FRIDAY. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

NORTHWEST TO NORTH WINDS WILL BE INCREASING TONIGHT BEHIND
THE FRONT AND BY MID MORNING FRIDAY SHOULD BE 15 TO 20 MPH AND
GUSTY. RELATIVE HUMIDITIES WILL BE DROPPING BELOW 35 PERCENT BY
LATE MORNING FRIDAY AND WILL REMAIN BELOW 35 PERCENT UNTIL LATE
AFTERNOON ACROSS GLADES, HENDRY AND COLLIER COUNTIES. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED TO OCCUR WITHIN THE WARNED AREA. A COMBINATION OF STRONG
WINDS AND LOW RELATIVE HUMIDITY WILL CREATE POTENTIAL FOR FIRE
PROBLEMS.

$$

FLZ067-068-071>075-168-172>174-160930-
/O.CON.KMFL.FW.A.0038.071116T1400Z-071117T0000Z/
INLAND PALM BEACH-METRO PALM BEACH-INLAND BROWARD-METRO BROWARD-
INLAND MIAMI DADE-METRO MIAMI DADE-MAINLAND MONROE-
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
FAR SOUTH MIAMI DADE-
227 PM EST THU NOV 15 2007

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY EVENING...

FOR THE REST OF MAINLAND SOUTH FLORIDA, RELATIVE HUMIDITIES ARE
EXPECTED TO DROP BELOW 40 PERCENT BUT PERHAPS NOT AS LOW AS THOSE IN
GLADES, HENDRY AND COLLIER COUNTIES NOR FOR AS LONG A TIME PERIOD.
THEREFORE, A FIRE WEATHER WATCH REMAINS IN EFFECT FOR FRIDAY BUT A
RED FLAG WARNING MAY ALSO BE REQUIRED FOR THIS AREA AS WELL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

$$


RLP
2 follow-up statements
000 
WWUS82 KMFL 151951 CCA
RFWMFL

RED FLAG WARNING...CORRECTED
NATIONAL WEATHER SERVICE MIAMI FL
250 PM EST THU NOV 15 2007

...RED FLAG WARNING ISSUED FOR GLADES, HENDRY AND COLLIER FOR FRIDAY...
...FIRE WEATHER WATCH REMAINS FOR THE REST OF MAINLAND SOUTH FLORIDA...

.A COLD FRONT WILL MOVE THROUGH MAINLAND SOUTH FLORIDA THIS
EVENING BRINGING THE COOLEST AND DRIEST AIR OF THE FALL SEASON SO
FAR. NORTHWEST TO NORTH WINDS WILL BE INCREASING TONIGHT BEHIND
THE FRONT AND BY MID MORNING FRIDAY SHOULD BE 15 TO 20 MPH AND
GUSTY. RELATIVE HUMIDITIES WILL BE DROPPING BELOW 35 PERCENT BY
LATE MORNING FRIDAY AND WILL REMAIN BELOW 35 PERCENT UNTIL LATE
AFTERNOON ACROSS GLADES, HENDRY AND COLLIER COUNTIES. 

FOR THE REST OF MAINLAND SOUTH FLORIDA, RELATIVE HUMIDITIES ARE
EXPECTED TO DROP NEAR 40 PERCENT, NOT AS LOW AS THOSE IN GLADES,
HENDRY AND COLLIER COUNTIES NOR FOR AS LONG A TIME PERIOD.
THEREFORE, A FIRE WEATHER WATCH REMAINS IN EFFECT FOR FRIDAY BUT A
RED FLAG WARNING MAY BE REQUIRED FOR THIS AREA AS WELL.

FLZ063-066-069-070-161015-
/O.UPG.KMFL.FW.A.0038.071116T1400Z-071117T0000Z/
/O.NEW.KMFL.FW.W.0064.071116T1400Z-071117T0000Z/
GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER-
250 PM EST THU NOV 15 2007

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING WHICH IS IN EFFECT FROM 9 AM TO 7 PM EST FRIDAY. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

NORTHWEST TO NORTH WINDS WILL BE INCREASING TONIGHT BEHIND
THE FRONT AND BY MID MORNING FRIDAY SHOULD BE 15 TO 20 MPH AND
GUSTY. RELATIVE HUMIDITIES WILL BE DROPPING BELOW 35 PERCENT BY
LATE MORNING FRIDAY AND WILL REMAIN BELOW 35 PERCENT UNTIL LATE
AFTERNOON ACROSS GLADES, HENDRY AND COLLIER COUNTIES. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED TO OCCUR WITHIN THE WARNED AREA. A COMBINATION OF STRONG
WINDS AND LOW RELATIVE HUMIDITY WILL CREATE POTENTIAL FOR FIRE
PROBLEMS.

$$

FLZ067-068-071>075-168-172>174-161015-
/O.COR.KMFL.FW.A.0038.071116T1400Z-071117T0000Z/
INLAND PALM BEACH-METRO PALM BEACH-INLAND BROWARD-METRO BROWARD-
INLAND MIAMI DADE-METRO MIAMI DADE-MAINLAND MONROE-
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
FAR SOUTH MIAMI DADE-
250 PM EST THU NOV 15 2007

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY EVENING...

FOR THE REST OF MAINLAND SOUTH FLORIDA, RELATIVE HUMIDITIES ARE
EXPECTED TO DROP NEAR 40 PERCENT, NOT AS LOW AS THOSE IN GLADES,
HENDRY AND COLLIER COUNTIES NOR FOR AS LONG A TIME PERIOD.
THEREFORE, A FIRE WEATHER WATCH REMAINS IN EFFECT FOR FRIDAY BUT A
RED FLAG WARNING MAY ALSO BE REQUIRED FOR THIS AREA AS WELL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

$$


RLP
000 
WWUS82 KMFL 161027
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
527 AM EST FRI NOV 16 2007

...RED FLAG WARNING FOR GLADES...HENDRY...AND COLLIER COUNTIES
TODAY FOR MINIMUM RELATIVE HUMIDITY BELOW 35 PERCENT AND 20 FOOT
WIND SPEEDS IN EXCESS OF 15 MPH...

FLZ067-068-071>075-168-172>174-161130-
/O.CAN.KMFL.FW.A.0038.071116T1400Z-071117T0000Z/
INLAND PALM BEACH-METRO PALM BEACH-INLAND BROWARD-METRO BROWARD-
INLAND MIAMI DADE-METRO MIAMI DADE-MAINLAND MONROE-
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI DADE-
FAR SOUTH MIAMI DADE-
527 AM EST FRI NOV 16 2007

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELED THE FIRE
WEATHER WATCH.

DESPITE THE PRESENCE OF A DRY AIRMASS CURRENTLY IN PLACE ACROSS
THE AREA...AFTERNOON RELATIVE HUMIDITY VALUES ARE EXPECTED TO
GRADUALLY RISE AS LOW-LEVEL WINDS SHIFT TO THE NORTHEAST. THIS
WILL LIMIT THE THREAT OF CRITICAL FIRE WEATHER CONDITIONS BEING
ACHIEVED...AND THE FIRE WEATHER WATCH HAS BEEN CANCELED.

HOWEVER...INDIVIDUALS ARE URGED TO USE EXTREME CAUTION WHEN BURNING
TODAY...ESPECIALLY GIVEN THE DRY AIRMASS IN PLACE ACROSS THE
REGION AND THE GUSTY NORTH TO NORTHEAST WINDS THAT WILL CONTINUE
THROUGH THE DAY.

$$

FLZ063-066-069-070-170000-
/O.CON.KMFL.FW.W.0064.071116T1400Z-071117T0000Z/
GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER-
527 AM EST FRI NOV 16 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
7 PM EST THIS EVENING...

GUSTY NORTH TO NORTHWEST WINDS WILL CONTINUE ACROSS THE AREA
TODAY...IN THE WAKE OF THE COLD FRONTAL PASSAGE ON THURSDAY
EVENING. THE NORTHWEST FLOW WILL ADVECT A VERY DRY AIRMASS
SOUTHWARD OVER THE REGION...WITH AFTERNOON RELATIVE HUMIDITY
EXPECTED TO FALL INTO THE 30-35 PERCENT RANGE. THIS...COUPLED WITH
SUSTAINED 20 FOOT WIND SPEEDS IN THE 15-25 MPH RANGE...WILL CREATE
CRITICAL FIRE WEATHER CONDITIONS ACROSS GLADES...HENDRY...AND
COLLIER COUNTIES...AND A RED FLAG WARNING REMAINS IN EFFECT FOR
THIS AREA.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED TO OCCUR WITHIN THE WARNED AREA. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE THE POTENTIAL
FOR FIRE PROBLEMS.

$$

70/DD

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 15, 5:36 AM ESTFire Weather WatchMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach24 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.