Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 30, NWS Miami, FL

March 27, 2007Collier County, Florida

NWS Miami, FL issued this red flag warning at Mar 27, 2007, 4:36 AM EDT for Collier County, Florida. It took effect at Mar 27, 2007, 1:00 PM EDT. It was in force for . 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 27, 2007, 4:36 AM EDT (08:36 UTC)
In effect from
Mar 27, 2007, 1:00 PM EDT
Expired
Mar 27, 2007, 12:14 PM EDT
In force
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 08:36 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, 8.6 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 2007-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 2007-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
-21 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 270836
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
436 AM EDT TUE MAR 27 2007

...RED FLAG WARNING IN EFFECT FOR GLADES, HENDRY, AND COLLIER
COUNTIES FROM 1 PM UNTIL 6 PM EDT TODAY...

FLZ063-066-069-070-272200-
/O.NEW.KMFL.FW.W.0030.070327T1700Z-070327T2200Z/
GLADES-HENDRY-WESTERN COLLIER-EASTERN COLLIER-
436 AM EDT TUE MAR 27 2007

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

.A DRY AND WARM AIRMASS CONTINUES TO LINGER ACROSS THE SOUTHWEST
COAST AND WESTERN INTERIOR SECTIONS OF SOUTH FLORIDA. THIS IS
EXPECTED TO CREATE 4 TO POSSIBLY 5 HOURS OF RELATIVE HUMIDITIES AT
OR BELOW 35%. THIS ALONG WITH 20 FT WIND SPEEDS AROUND 15 MPH WILL
CREATE RED FLAG CONDITIONS ACROSS PORTIONS OF 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.

$$
1 follow-up statement
000 
WWUS82 KMFL 271614
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1214 PM EDT TUE MAR 27 2007

FLZ063-066-069-070-271715-
/O.CAN.KMFL.FW.W.0030.070327T1700Z-070327T2200Z/
GLADES-HENDRY-WESTERN COLLIER-EASTERN COLLIER-
1214 PM EDT TUE MAR 27 2007

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG
WARNING. MORE CLOUD COVER THAN EXPECTED HAS DEVELOPED OVER SOUTH
FLORIDA AND TEMPERATURES WILL NOT GET AS HIGH AS EXPECTED.
THEREFORE, THE MINIMUM RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 4
OR MORE HOURS WILL NOT BE REACHED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 5:26 AM EDTMarine Weather StatementMFL19 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.