Alert archive / Florida / Red Flag Warnings in 2008

Red Flag Warning 13, NWS Miami, FL

March 9, 2008Collier County, Florida

NWS Miami, FL issued this red flag warning at Mar 9, 2008, 3:48 AM EDT for Collier County, Florida. It took effect at Mar 9, 2008, 1:00 PM EDT. 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: Mar 9, 2008, 3:48 AM EDT (07:48 UTC)
In effect from: Mar 9, 2008, 1:00 PM EDT
Expired: Mar 9, 2008, 3:56 PM EDT
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 07:45 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, 7.8 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2069 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -50 m²/s²
0-3 km storm-relative helicity: 98 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 090748
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
348 AM EDT SUN MAR 9 2008

...RED FLAG WARNING FROM 1 PM UNTIL 6 PM FOR GLADES...HENDRY AND
COLLIER COUNTIES FOR 4 OR MORE CONSECUTIVE HOURS OF RELATIVE
HUMIDITIES BELOW 35 PERCENT...  

FLZ063-066-069-070-091600-
/O.UPG.KMFL.FW.A.0009.080309T1700Z-080309T2200Z/
/O.NEW.KMFL.FW.W.0013.080309T1700Z-080309T2200Z/
GLADES-HENDRY-COASTAL COLLIER-INLAND COLLIER-
348 AM EDT SUN MAR 9 2008

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 6 PM EDT THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 6 PM EDT THIS
AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

VERY DRY AIR WAS OVER SOUTH FLORIDA THIS MORNING AS DEW POINTS
RANGED FROM THE MID TO UPPER 30S EXCEPT FOR COASTAL MIAMI-DADE 
AND MAINLAND MONROE COUNTIES. NORTHERLY WINDS ARE EXPECTED TO
PERSIST UNTIL MID MORNING...THEN SHIFT NORTHEAST OFF OF THE
ATLANTIC. THE DRY AIR OVER THE INTERIOR AND WEST WILL NOT BE
REPLACED BY THIS MOIST FLOW OFF OF THE ATLANTIC AND RELATIVE 
HUMIDITIES MAY FALL FOR 4 OR MORE CONSECUTIVE HOURS OVER GLADES
...HENDRY AND COLLIER COUNTIES. 

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

000 
WWUS82 KMFL 091753
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
153 PM EDT SUN MAR 9 2008

FLZ063-066-070-091900-
/O.CAN.KMFL.FW.W.0013.000000T0000Z-080309T2200Z/
GLADES-HENDRY-INLAND COLLIER-
153 PM EDT SUN MAR 9 2008

...RED FLAG WARNING IS CANCELLED...

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

TEMPERATURES ARE STRUGGLING TO HIT 70 DEGREES THIS AFTERNOON...AND
WITH DEWPOINTS RISING INTO THE MIDDLE 40S...RHS ARE NO LONGER
EXPECTED TO FALL BELOW 35 PERCENT. THEREFORE...THE RED FLAG
WARNING HAS BEEN CANCELLED.

$$

FLZ069-092200-
/O.EXT.KMFL.FW.W.0013.000000T0000Z-080309T2200Z/
COASTAL COLLIER-
153 PM EDT SUN MAR 9 2008

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON...

THE RED FLAG WARNING IS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON .

RELATIVE HUMIDITIES ACROSS COASTAL COLLIER COUNTY ARE NOW JUST
BELOW 35 PERCENT. THE HUMIDITY IS FORECAST TO REMAIN BELOW 35
PERCENT THROUGH MUCH OF THE REMAINDER OF THE AFTERNOON.
THEREFORE...A RED FLAG WARNING REMAINS IN EFFECT FOR THE AREA.

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

$$

DG/KB

000 
WWUS82 KMFL 091956
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
356 PM EDT SUN MAR 9 2008

FLZ069-092100-
/O.CAN.KMFL.FW.W.0013.000000T0000Z-080309T2200Z/
COASTAL COLLIER-
356 PM EDT SUN MAR 9 2008

...RED FLAG WARNING IS CANCELLED FOR COASTAL COLLIER COUNTY...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG
WARNING FOR COASTAL COLLIER COUNTY. 

TEMPERATURES WILL REMAIN IN THE LOWER 70S...AS LOW LEVEL MOISTURE
AS THE DEW POINTS WILL CONTINUE TO RISE FROM THE 40S TO THE LOWER
50S. THIS WILL KEEP THE RELATIVE HUMIDITIES ABOVE 35 PERCENT FOR
REST OF THIS AFTERNOON. THEREFORE...THE RED FLAG WARNING FOR
COASTAL COLLIER COUNTY HAS BEEN CANCELLED FOR THIS AFTERNOON.

$$

BAXTER

Nearby

Red Flag Warnings in Florida, 2008 Every 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.