Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 22, NWS Miami, FL

March 13, 2007Collier County, Florida

NWS Miami, FL issued this red flag warning at Mar 13, 2007, 8:02 AM EDT for Collier County, Florida. It took effect at Mar 13, 2007, 1:00 PM EDT. It was in force for 6 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 13, 2007, 8:02 AM EDT (12:02 UTC)
In effect from
Mar 13, 2007, 1:00 PM EDT
Expired
Mar 13, 2007, 7:00 PM EDT
In force
6 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 12:02 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, 0.0 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 2007-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2007-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 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
2 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
-5 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 131202
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
802 AM EDT TUE MAR 13 2007

FLZ063-066-070-132300-
/O.UPG.KMFL.FW.A.0013.070313T1700Z-070313T2300Z/
/O.NEW.KMFL.FW.W.0022.070313T1700Z-070313T2300Z/
GLADES-HENDRY-EASTERN COLLIER-
802 AM EDT TUE MAR 13 2007

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

DRY AIR IN THE LOW LEVELS OF THE ATMOSPHERE WILL MIX DOWN TO THE
SURFACE WITH DAYTIME HEATING...ALLOWING RHS TO DROP BELOW 35 PERCENT
FOR 4 OR MORE HOURS THIS AFTERNOON. MIN RHS OF AROUND 30 PERCENT 
ARE EXPECTED ACROSS THE AREA. THIS DRY AIR...ALONG WITH VERY DRY
SOILS...WILL CREATE A HIGH FIRE DANGER.

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

$$

FLZ069-132300-
/O.NEW.KMFL.FW.W.0022.070313T1700Z-070313T2300Z/
WESTERN COLLIER-
802 AM EDT TUE MAR 13 2007

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT
THIS EVENING. 

DRY AIR IN THE LOW LEVELS OF THE ATMOSPHERE WILL MIX DOWN TO THE
SURFACE WITH DAYTIME HEATING...ALLOWING RHS TO DROP BELOW 35 PERCENT
FOR 4 OR MORE HOURS THIS AFTERNOON. MIN RHS OF AROUND 30 PERCENT 
ARE EXPECTED ACROSS THE AREA. 

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

$$

DG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 7:00 PM EDTMarine Weather StatementMFL11 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.