Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 35, NWS Miami, FL

April 29, 20064 counties in Florida

NWS Miami, FL issued this red flag warning at Apr 29, 2006, 3:43 AM EDT for 4 counties in Florida. It took effect at Apr 29, 2006, 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
Apr 29, 2006, 3:43 AM EDT (07:43 UTC)
In effect from
Apr 29, 2006, 1:00 PM EDT
Expired
Apr 29, 2006, 7:00 PM EDT
In force
6 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 07:43 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, 7.7 hours before the alert went out and 53 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 2006-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2006-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939587897117Sfc1 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
13 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
84 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 290743
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
343 AM EDT SAT APR 29 2006

...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM EDT TODAY FOR
THE INTERIOR AND WESTERN METRO AREAS...

...FIRE WEATHER WATCH FOR THE WESTERN INTERIOR AND WESTERN METRO
AREAS OF SOUTH FLORIDA FOR SUNDAY AFTERNOON FOR 4 HOURS OR MORE OF
LOW HUMIDITIES...

FLZ063-066-069-070-291545-
/O.UPG.KMFL.FW.A.0022.060429T1600Z-060429T2300Z/
/O.NEW.KMFL.FW.W.0035.060429T1700Z-060429T2300Z/
/O.NEW.KMFL.FW.A.0023.060430T1700Z-060430T2300Z/
GLADES-HENDRY-WESTERN COLLIER-EASTERN COLLIER-
343 AM EDT SAT APR 29 2006

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY 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. 

A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER
WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH EARLY SUNDAY
EVENING.

VERY DRY AIR WILL PERSIST OVER THE SOUTH FLORIDA AREA TODAY.
THOUGH STRONG NORTHEAST WINDS WILL BRING IN LOW LEVEL MOISTURE
ONTO THE EAST COAST...WARMER TEMPERATURES INLAND SHOULD ALLOW FOR
GOOD CONVECTION TO SET UP TO MIX THE DRIER AIR DOWNWARD TO THE
SURFACE. 

THE WARNING INCLUDES GLADES...HENDRY AND COLLIER COUNTIES...WHERE
TO RELATIVE HUMIDITIES ARE EXPECTED TO FALL TO BELOW 35 PERCENT
FOR 4 OR MORE CONSECUTIVE HOURS. THEREFORE...A RED FLAG WARNING
HAS BEEN ISSUED FOR THE INTERIOR AND WEST COAST AREAS OF SOUTH
FLORIDA FOR THIS AFTERNOON.

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.

THE DRIER AIR WILL REMAIN OVER THIS AREA SUNDAY. TEMPERATURES
WILL ONCE AGAIN WARM UP INTO THE MID 80S WITH RELATIVE HUMIDITIES
ONCE AGAIN EXPECTED TO FALL BELOW 35 PERCENT FOR 4 HOURS OR MORE
SUNDAY AFTERNOON. THEREFORE...A FIRE WEATHER WATCH HAS BEEN
ISSUED FOR THE INTERIOR AND WEST COAST AREAS OF SOUTH FLORIDA FOR
SUNDAY AFTERNOON.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR.

LISTEN FOR LATER FORECASTS FROM THE MIAMI NATIONAL WEATHER OFFICE
ON THIS DEVELOPING WEATHER SITUATION.


$$

FLZ067-071-073-075-291545-
/O.NEW.KMFL.FW.W.0035.060429T1700Z-060429T2300Z/
/O.NEW.KMFL.FW.A.0023.060430T1700Z-060430T2300Z/
PALM BEACH WESTERN-WESTERN BROWARD-WESTERN DADE-MAINLAND MONROE-
343 AM EDT SAT APR 29 2006

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY 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. 

A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER
WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING.

VERY DRY AIR WILL PERSIST OVER THE SOUTH FLORIDA AREA TODAY.
THOUGH STRONG NORTHEAST WINDS WILL BRING IN LOW LEVEL MOISTURE
ONTO THE EAST COAST...WARMER TEMPERATURES INLAND SHOULD ALLOW FOR
GOOD CONVECTION TO SET UP TO MIX THE DRIER AIR DOWNWARD TO THE
SURFACE. 

THE RED FLAG WARNING INCLUDES SOUTHWEST PALM BEACH...EXTREME
WESTERN BROWARD...NORTHWEST MIAMI-DADE AND NORTHEAST MAINLAND
MONROE COUNTIES. RELATIVE HUMIDITIES CAN BE EXPECTED TO FALL
BELOW 35 PERCENT FOR ONLY A COUPLE OF HOURS OR SO BUT 20 FOOT
WINDS WILL ALSO BE AROUND 15 MPH...PROMPTING THE ISSUANCE OF THE
RED FLAG WARNING. 

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.

SIMILAR CONDITIONS WILL BE POSSIBLE SUNDAY AS THE DRY AIR ALOFT
AND POSSIBLE STRONG WINDS WILL PERSIST. THUS...A FIRE WEATHER
WATCH HAS BEEN ISSUED FOR SUNDAY AFTERNOON.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR.

LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS.

$$

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

Hazardous weather outlook, Apr 28, 9:56 PM EDT, 5 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
956 PM EDT FRI APR 28 2006

FLZ063-066>075-290830-
GLADES-HENDRY-PALM BEACH WESTERN-PALM BEACH EASTERN-
WESTERN COLLIER-EASTERN COLLIER-WESTERN BROWARD-
BROWARD METROPOLITAN-WESTERN DADE-DADE METROPOLITAN-
MAINLAND MONROE-
948 PM EDT FRI APR 28 2006

...HIGH RISK OF DANGEROUS RIP CURRENTS THIS WEEKEND ATLANTIC BEACHES...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

MODERATE TO LARGE NORTHEAST SWELLS GENERATED BY A STRONG LOW
PRESSURE SYSTEM OVER THE WESTERN ATLANTIC WILL AFFECT THE
ATLANTIC WATERS OF SOUTH FLORIDA THIS WEEKEND. THE COMBINATION OF
FRESH TO STRONG NORTHEAST WINDS AND SWELLS WILL RESULT IN HIGH
SURF, ROUGH SEAS...ESPECIALLY IN AND NEAR INLETS, POSSIBLY MINOR
BEACH EROSION AND DANGEROUS RIP CURRENTS.

NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.MIAMIWEATHER.INFO.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 3:43 AM EDTFire Weather WatchMFLBroward, Collier, Miami-Dade, Monroe24 hr
Apr 29, 5:54 AM EDTMarine Weather StatementMFL37 hr
Apr 29, 2:36 PM EDTHigh Surf AdvisoryMFLPalm Beach48 hr

Nearby

Red Flag Warnings in Florida, 2006Every red flag warning in 2006

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.