Alert archive / Florida / Red Flag Warnings in 2008

Red Flag Warning 2, NWS Miami, FL

January 2, 2008Collier County, Florida

NWS Miami, FL issued this red flag warning at Jan 2, 2008, 3:40 PM EST for Collier County, Florida. It took effect at Jan 3, 2008, 12:00 PM EST. It was in force for 3 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
Jan 2, 2008, 3:40 PM EST (20:40 UTC)
In effect from
Jan 3, 2008, 12:00 PM EST
Expired
Jan 3, 2008, 2:59 PM EST
In force
3 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 20:46 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, 8.7 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 2008-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1948 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
167 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 022040
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
340 PM EST WED JAN 2 2008

...RED FLAG WARNING CONTINUES FOR ALL OF SOUTH FLORIDA THIS 
AFTERNOON FOR RELATIVE HUMIDITY IN THE 20 TO 30 PERCENT RANGE...

...RED FLAG WARNING IN EFFECT FOR GLADES...HENDRY...AND COLLIER
COUNTIES ON THURSDAY AFTERNOON FOR RELATIVE HUMIDITY IN THE 20 TO
30 PERCENT RANGE...

FLZ063-066-069-070-031000-
/O.UPG.KMFL.FW.A.0001.080103T1700Z-080103T2300Z/
/O.NEW.KMFL.FW.W.0002.080103T1700Z-080103T2300Z/
/O.CON.KMFL.FW.W.0001.000000T0000Z-080102T2300Z/
GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER-
340 PM EST WED JAN 2 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 6 PM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 6 PM EST THURSDAY. THIS
PRODUCT IS AN UPGRADE OF THE PREVIOUSLY ISSUED FIRE WEATHER WATCH.
A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON.

A VERY DRY AIRMASS WILL PERSIST ACROSS THE NORTHWEST PORTION OF
SOUTH FLORIDA THROUGH THURSDAY. RELATIVE HUMIDITY VALUES WILL
CONTINUE TO RANGE FROM 20 TO 30 PERCENT FOR THE REMAINDER OF THIS
AFTERNOON...AND WILL LIKELY FALL INTO THE 20 TO 30 PERCENT RANGE
FOR MUCH OF THE LATE MORNING AND AFTERNOON ON THURSDAY. A 
COMBINATION OF THE VERY DRY AIRMASS AND NORTH WINDS IN THE 10 TO
15 MPH RANGE WILL CREATE DANGEROUS AND VOLATILE FIRE WEATHER
CONDITIONS ACROSS THE AREA.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

$$

FLZ067-068-071>075-168-172>174-022300-
/O.CON.KMFL.FW.W.0001.000000T0000Z-080102T2300Z/
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-
340 PM EST WED JAN 2 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON.

A VERY DRY AIRMASS WILL PERSIST ACROSS SOUTH FLORIDA THROUGH THE
REMAINDER OF THE AFTERNOON...WITH RELATIVE HUMIDITY VALUES
CONTINUING TO RANGE FROM 20 TO 30 PERCENT. A COMBINATION OF THE
VERY DRY AIRMASS AND NORTH WINDS IN THE 10 TO 20 MPH RANGE WILL
CREATE DANGEROUS AND VOLATILE FIRE WEATHER CONDITIONS ACROSS THE
AREA.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

$$

70/DD
3 follow-up statements
000 
WWUS82 KMFL 022258
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
558 PM EST WED JAN 2 2008

...RED FLAG WARNING CONTINUES FOR ALL OF SOUTH FLORIDA THIS
AFTERNOON FOR RELATIVE HUMIDITY IN THE 20 TO 30 PERCENT RANGE...

...RED FLAG WARNING IN EFFECT FOR GLADES...HENDRY...AND COLLIER
COUNTIES ON THURSDAY AFTERNOON FOR RELATIVE HUMIDITY IN THE 20 TO
30 PERCENT RANGE...

FLZ063-066-069-070-031000-
/O.EXP.KMFL.FW.W.0001.000000T0000Z-080102T2300Z/
/O.CON.KMFL.FW.W.0002.080103T1700Z-080103T2300Z/
GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER-
558 PM EST WED JAN 2 2008

...RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 6 PM EST
THURSDAY...
...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS AFTERNOON...

THE RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS AFTERNOON. A
RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 6 PM EST
THURSDAY. 

THE VERY DRY AIRMASS REMAINS ACROSS SOUTH FLORIDA THIS EVENING.
HOWEVER, WITH THE SUN SETTING, TEMPERATURES WILL BEGIN TO FALL
FAIRLY QUICKLY AND ALLOW RELATIVE HUMIDITY VALUES TO RISE ABOVE 35
PERCENT...ALTHOUGH UP TO AN ADDITIONAL HOUR WITH RELATIVE
HUMIDITIES AROUND 35 PERCENT WILL BE POSSIBLE.

A VERY DRY AIRMASS WILL PERSIST ACROSS THE NORTHWEST PORTION OF
SOUTH FLORIDA ON THURSDAY. RELATIVE HUMIDITY VALUES WILL LIKELY
FALL INTO THE 20 TO 30 PERCENT RANGE FOR MUCH OF THE LATE MORNING
AND AFTERNOON ON THURSDAY. A COMBINATION OF THE VERY DRY AIRMASS
AND NORTH WINDS IN THE 10 TO 15 MPH RANGE WILL CREATE DANGEROUS
AND VOLATILE FIRE WEATHER CONDITIONS ACROSS THE AREA.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

$$

FLZ067-068-071>075-168-172>174-030000-
/O.EXP.KMFL.FW.W.0001.000000T0000Z-080102T2300Z/
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-
558 PM EST WED JAN 2 2008

...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS AFTERNOON...

THE RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS AFTERNOON. 

THE VERY DRY AIRMASS REMAINS ACROSS SOUTH FLORIDA THIS EVENING.
HOWEVER, WITH THE SUN SETTING, TEMPERATURES WILL BEGIN TO FALL
FAIRLY QUICKLY AND ALLOW RELATIVE HUMIDITY VALUES TO RISE ABOVE 35
PERCENT...ALTHOUGH UP TO AN ADDITIONAL HOUR WITH RELATIVE
HUMIDITIES AROUND 35 PERCENT WILL BE POSSIBLE IN SOME AREAS.

$$
000 
WWUS82 KMFL 030951
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
451 AM EST THU JAN 3 2008

...RED FLAG WARNING CONTINUES FOR ALL OF SOUTH FLORIDA THIS
AFTERNOON FOR RELATIVE HUMIDITY IN THE 20 TO 30 PERCENT RANGE...

...RED FLAG WARNING IN EFFECT FOR GLADES...HENDRY...AND COLLIER
COUNTIES ON THURSDAY AFTERNOON FOR RELATIVE HUMIDITY IN THE 20 TO
30 PERCENT RANGE...

FLZ063-066-069-070-032300-
/O.CON.KMFL.FW.W.0002.080103T1700Z-080103T2300Z/
GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER-
451 AM EST THU JAN 3 2008

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EST
THIS AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EST
THIS AFTERNOON.  

A VERY DRY AIRMASS WILL PERSIST ACROSS THE NORTHWEST PORTION OF
SOUTH FLORIDA TODAY WITH RELATIVE HUMIDITY VALUES LIKELY FALLING
INTO THE 20 TO 30 PERCENT RANGE FOR MUCH OF THE LATE MORNING AND
AFTERNOON. A COMBINATION OF THE VERY DRY AIRMASS AND NORTH WINDS
IN THE 10 TO 15 MPH RANGE WILL CREATE DANGEROUS AND VOLATILE FIRE
WEATHER CONDITIONS ACROSS THE AREA.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

$$
000 
WWUS82 KMFL 031959 AAA
RFWMFL

RED FLAG WARNING...UPDATED
NATIONAL WEATHER SERVICE MIAMI FL
259 PM EST THU JAN 3 2008

...RED FLAG WARNING CANCELLED FOR GLADES, HENDRY AND COLLIER COUNTIES...

.THE RED FLAG WARNING IS CANCELLED FOR GLADES, HENDRY AND COLLIER COUNTIES.

FLZ063-066-069-070-032100-
/O.CAN.KMFL.FW.W.0002.000000T0000Z-080103T2300Z/
GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER-
259 PM EST THU JAN 3 2008

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG
WARNING. 

IN SPITE OF A VERY DRY AIR MASS ASSOCIATED WITH AN ARCTIC HIGH
PRESSURE SYSTEM OVER THE TENNESSEE VALLEY, MOISTURE FROM THE
ATLANTIC OCEAN HAS BEGUN TO MOVE INTO THE LAKE OKEECHOBEE AND
SOUTHWEST GULF COAST REGION. THUS, RELATIVE HUMIDITIES ARE NOT
EXPECTED TO DROP TO CRITICAL LEVELS ACROSS GLADES, HENDRY OR
COLLIER COUNTIES AND THE WARNING IS CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 4:34 AM ESTFreeze WarningMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more28 hr
Jan 2, 4:56 AM ESTWind Chill AdvisoryMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more28 hr
Jan 2, 2:14 PM ESTWind Chill WarningMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more19 hr
Jan 2, 2:54 PM ESTHard Freeze WarningMFLCollier, Glades, Hendry14 hr

Nearby

Red Flag Warnings in Florida, 2008Every red flag warning in 2008

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.