Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 1, NWS Miami, FL

January 9, 2007Collier County, Florida

NWS Miami, FL issued this red flag warning at Jan 9, 2007, 3:18 AM EST for Collier County, Florida. It took effect at Jan 9, 2007, 1:00 PM EST. It was in force for 7 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 9, 2007, 3:18 AM EST (08:18 UTC)
In effect from
Jan 9, 2007, 1:00 PM EST
Expired
Jan 9, 2007, 8:00 PM EST
In force
7 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 08:19 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, 8.3 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 00:00Z on 2007-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 00:00Z on 2007-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 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
14 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
990 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
58 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 090818
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
318 AM EST TUE JAN 9 2007

...A RED FLAG WARNING HAS BEEN ISSUED FOR GLADES, HENDRY, AND COLLIER
COUNTIES...

.HUMIDITIES ARE EXPECTED TO DROP BELOW 35 PERCENT RESULTING IN
DANGEROUS FIRE WEATHER CONDITIONS FROM MID DAY TUESDAY UNTIL
TUESDAY EVENING.

FLZ063-066-070-092030-
/O.UPG.KMFL.FW.A.0001.070109T1800Z-070110T0000Z/
/O.NEW.KMFL.FW.W.0001.070109T1800Z-070110T0100Z/
GLADES-HENDRY-EASTERN COLLIER-
318 AM EST TUE JAN 9 2007

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EST
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

AS HIGH PRESSURE BUILDS INTO THE REGION DRY AIR WILL CONTINUE TO
MOVE DOWN THE FLORIDA PENINSULA. THIS DRY AIR AT THE SURFACE ALONG
WITH MIXING OF DRIER AIR ALOFT TO THE SURFACE DURING THE
AFTERNOON HOURS WILL RESULT IN RELATIVE HUMIDITIES OF LESS THAN 35
PERCENT FOR 7 TO 8 HOURS FOR HENDRY AND GLADES COUNTIES AND NEAR 5
HOURS FOR COLLIER COUNTY. AFTER SUNSET HUMIDITIES ARE EXPECTED TO
REBOUND.

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.

$$

FLZ069-092030-
/O.NEW.KMFL.FW.W.0001.070109T1800Z-070110T0100Z/
WESTERN COLLIER-
318 AM EST TUE JAN 9 2007

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EST
THIS EVENING. 

AS HIGH PRESSURE BUILDS INTO THE REGION DRY AIR WILL CONTINUE TO
MOVE DOWN THE FLORIDA PENINSULA. THIS DRY AIR AT THE SURFACE ALONG
WITH MIXING OF DRIER AIR ALOFT TO THE SURFACE DURING THE
AFTERNOON HOURS WILL RESULT IN RELATIVE HUMIDITIES OF LESS THAN 35
PERCENT FOR 7 TO 8 HOURS FOR HENDRY AND GLADES COUNTIES AND NEAR 5
HOURS FOR COLLIER COUNTY. AFTER SUNSET HUMIDITIES ARE EXPECTED TO
REBOUND.

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.

$$
1 follow-up statement
000 
WWUS82 KMFL 091957
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
257 PM EST TUE JAN 9 2007

...A RED FLAG WARNING CONTINUES IN EFFECT FOR GLADES...HENDRY...
AND COLLIER COUNTIES...

.HUMIDITIES ARE EXPECTED TO DROP BELOW 35 PERCENT RESULTING IN
DANGEROUS FIRE WEATHER CONDITIONS UNTIL THIS EVENING.

FLZ063-066-069-070-100100-
/O.CON.KMFL.FW.W.0001.000000T0000Z-070110T0100Z/
GLADES-HENDRY-WESTERN COLLIER-EASTERN COLLIER-
257 PM EST TUE JAN 9 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EST THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EST THIS EVENING.

AS HIGH PRESSURE BUILDS INTO THE REGION DRY AIR WILL CONTINUE TO
MOVE DOWN THE FLORIDA PENINSULA. THIS DRY AIR AT THE SURFACE
ALONG WITH MIXING OF DRIER AIR ALOFT TO THE SURFACE DURING THE
AFTERNOON HOURS WILL RESULT IN RELATIVE HUMIDITIES OF LESS THAN
35 PERCENT FOR AT LEAST 4 HOURS FOR HENDRY...GLADES AND COLLIER
COUNTIES. HUMIDITIES ARE EXPECTED TO REBOUND THIS EVENING.

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.

$$

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.