Alert archive / Florida / Red Flag Warnings in 2013

Red Flag Warning 4, NWS Miami, FL

March 14, 20134 counties in Florida

NWS Miami, FL issued this red flag warning at Mar 14, 2013, 4:37 AM EDT for 4 counties in Florida. It took effect at Mar 14, 2013, 12:00 PM EDT. It was in force for 8 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 14, 2013, 4:37 AM EDT (08:37 UTC)
In effect from
Mar 14, 2013, 12:00 PM EDT
Expired
Mar 14, 2013, 8:00 PM EDT
In force
8 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Collier County, FL, Miami-Dade County, FL, Monroe County, FL

The radar

The Miami radar (KAMX), 48 km from the middle of the area, began a volume at 08:34 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

Key West, FL (KEYW), launched 00:00Z, 8.6 hours before the alert went out and 170 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, Key West, FL at 00:00Z on 2013-03-14Temperature 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, Key West, FL at 00:00Z on 2013-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
1991 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
53 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.

952 
WWUS82 KMFL 140837
RFWMFL

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
437 AM EDT THU MAR 14 2013

FLZ063-069-071>075-174-150000-
/O.NEW.KMFL.FW.W.0004.130314T1600Z-130315T0000Z/
GLADES-COASTAL COLLIER-INLAND BROWARD-METRO BROWARD-
INLAND MIAMI DADE-METRO MIAMI DADE-MAINLAND MONROE-
FAR SOUTH MIAMI DADE-
437 AM EDT THU MAR 14 2013

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR GLADES, COASTAL COLLIER, MAINLAND MONROE, FAR SOUTH
MIAMI- DADE, INLAND MIAMI-DADE, METRO MIAMI-DADE, INLAND BROWARD,
AND METRO BROWARD COUNTIES...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING. 

* AFFECTED AREA...GLADES, COASTAL COLLIER, MAINLAND MONROE, FAR SOUTH
  MIAMI-DADE, INLAND MIAMI-DADE, METRO MIAMI-DADE, INLAND BROWARD,
  AND METRO BROWARD COUNTIES

* WIND...SUSTAINED WIND OF 15 MPH OR GREATER, EXCEPT 10 TO 15 MPH
  ACROSS GLADES COUNTY.

* HUMIDITY...MINIMUM RELATIVE HUMIDITIES IN THE 20S, EXCEPT AROUND
  30 PERCENT ACROSS METRO BROWARD AND METRO MIAMI-DADE. LOWEST
  RELATIVE HUMIDITIES FORECAST AROUND 20 PERCENT ACROSS GLADES
  COUNTY WITH RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 4 HOURS OR
  MORE.

* ENERGY RELEASE COMPONENT (ERC)...FORECAST TO BE IN THE 30S AND
  AS HIGH AS 38 FOR BROWARD COUNTY.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

GREGORIA/BAXTER

Nearby

Red Flag Warnings in Florida, 2013Every red flag warning in 2013

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.