Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 49, NWS Miami, FL

May 19, 2006Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this red flag warning at May 19, 2006, 4:17 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It took effect at May 19, 2006, 12:00 PM EDT. 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
May 19, 2006, 4:17 AM EDT (08:17 UTC)
In effect from
May 19, 2006, 12:00 PM EDT
Expired
May 19, 2006, 7:00 PM EDT
In force
7 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Miami-Dade County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 08:22 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 39 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 2006-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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 2006-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
30 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1592 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
56 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 190817
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
417 AM EDT FRI MAY 19 2006

FLZ063-066>068-070>073-192300-
/O.UPG.KMFL.FW.A.0033.060519T1600Z-060519T2300Z/
/O.NEW.KMFL.FW.W.0049.060519T1600Z-060519T2300Z/
GLADES-HENDRY-PALM BEACH WESTERN-PALM BEACH EASTERN-
EASTERN COLLIER-WESTERN BROWARD-BROWARD METROPOLITAN-WESTERN DADE-
417 AM EDT FRI MAY 19 2006

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING FOR PORTIONS OF SOUTH FLORIDA DUE TO RELATIVE HUMIDITIES
BELOW 35 PERCENT FOR FOUR HOURS OR MORE...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING. THIS RED FLAG WARNING SUPERSEDES THE PREVIOUS FIRE
WEATHER WATCH.

WARM AND DRY WEST WINDS WILL ALLOW AFTERNOON RELATIVE HUMIDITY
VALUES TO DIP BELOW 35% FOR FOUR HOURS OR MORE OVER INTERIOR AREAS
TODAY. THEREFORE A RED FLAG WARNING IS IN EFFECT FOR INTERIOR
AREAS AS WELL AS COASTAL PALM BEACH AND BROWARD COUNTIES. 

THE WEST WINDS WILL BRING ENOUGH GULF MOISTURE TO COASTAL COLLIER
AND MAINLAND MONROE COUNTIES TO KEEP RELATIVE HUMIDITY VALUES
ABOVE THRESHOLD. IN COASTAL MIAMI-DADE COUNTY...AN ATLANTIC SEA
BREEZE WILL KEEP TEMPERATURES FROM CLIMBING HIGH ENOUGH TO SUPPORT
RED FLAG CRITERIA.

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.

$$

CHRISTENSEN
2 follow-up statements
000 
WWUS82 KMFL 191955
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
355 PM EDT FRI MAY 19 2006

FLZ068-192100-
/O.CAN.KMFL.FW.W.0049.000000T0000Z-060519T2300Z/
PALM BEACH EASTERN-
355 PM EDT FRI MAY 19 2006

...RED FLAG WARNING IS CANCELLED FOR METRO PALM BEACH COUNTY FOR TODAY...

THE EAST COAST SEA BREEZE HAS DEVELOPED AND MOVE INLAND INTO THE
METRO EAST COAST OF PALM BEACH COUNTY. THIS HAS RESULTED
INCREASING THE DEW POINTS INTO THE LOWER 60S WHICH IN TURN RAISE
THE RELATIVE HUMIDITIES ABOVE THE 35 PERCENT CRITICAL VALUE.
THEREFORE...THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED
THE RED FLAG WARNING FOR THE METRO AREA OF PALM BEACH COUNTY FOR
THIS AFTERNOON.

$$

FLZ063-066-067-070-071-192300-
/O.NEW.KMFL.FW.A.0034.060520T1700Z-060520T2300Z/
/O.CON.KMFL.FW.W.0049.000000T0000Z-060519T2300Z/
GLADES-HENDRY-PALM BEACH WESTERN-EASTERN COLLIER-WESTERN BROWARD-
355 PM EDT FRI MAY 19 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING FOR 4 HOURS OR MORE OF BELOW 35 PERCENT RELATIVE HUMIDITIES...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR 4 HORUS OR MORE OF BELOW 35 PERCENT RELATIVE HUMIDITIES...

WARM AND DRY WEST WINDS WILL CONTINUE ACROSS THE INTERIOR AREAS OF
SOUTH FLORIDA THIS AFTERNOON ALLOWING FOR TEMPERATURES TO REMAIN
IN THE UPPER 80S ALONG WITH THE DEW POINTS IN THE MID 50S. THIS
WILL ALLOW FOR THE RELATIVE HUMIDITIES TO REMAIN BELOW 35% THIS
AFTERNOON. THEREFORE...THE RED FLAG WARNING REMAINS IS IN EFFECT
FOR INTERIOR AREAS UNTIL 7 PM EDT 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.


HIGH PRESSURE OVER THE EASTERN GULF OF MEXICO WILL BE RIGHT OVER
SOUTH FLORIDA ON SATURDAY. THIS WILL ALLOW FOR THE TEMPERATURES TO WARM
UP INTO THE LOWER 90S OVER THE INTERIOR AREAS. THE HIGH WILL ALSO
ALLOW FOR THE DRY AIR ALOFT TO MIX DOWN TO THE SURFACE OVER THIS
SAME AREA SATURDAY AFTERNOON. THE COMBINATION OF THE VERY WARM
TEMPERATURES AND THE LOW DEW POINTS WILL ALLOW FOR THE RELATIVE
HUMIDITIES TO FALL BELOW 35 PERCENT FOR 4 HOURS OR MORE SATURDAY
AFTERNOON. THEREFORE...A FIRE WEATHER WATCH HAS BEEN ISSUED FOR
THE INTERIOR AREAS OF SOUTH FLORIDA SATURDAY AFTERNOON.

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

$$

FLZ072-073-192300-
/O.CON.KMFL.FW.W.0049.000000T0000Z-060519T2300Z/
BROWARD METROPOLITAN-WESTERN DADE-
355 PM EDT FRI MAY 19 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING FOR RELATIVE HUMIDITIES BELOW 35 PERCENT...

WARM AND DRY WEST WINDS WILL CONTINUE ACROSS THE INTERIOR AREAS OF
SOUTH FLORIDA THIS AFTERNOON ALLOWING FOR TEMPERATURES TO REMAIN
IN THE UPPER 80S ALONG WITH THE DEW POINTS IN THE MID 50S. THIS
WILL ALLOW FOR THE RELATIVE HUMIDITIES TO REMAIN BELOW 35% THIS
AFTERNOON. THEREFORE...THE RED FLAG WARNING REMAINS IS IN EFFECT
FOR INTERIOR AREAS UNTIL 7 PM EDT 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.

$$

BAXTER
000 
WWUS82 KMFL 192330 AAA
RFWMFL

RED FLAG WARNING...UPDATED
NATIONAL WEATHER SERVICE MIAMI FL
729 PM EDT FRI MAY 19 2006

FLZ063-066-067-070-071-201000-
/O.EXP.KMFL.FW.W.0049.000000T0000Z-060519T2300Z/
/O.CON.KMFL.FW.A.0034.060520T1700Z-060520T2300Z/
GLADES-HENDRY-PALM BEACH WESTERN-EASTERN COLLIER-WESTERN BROWARD-
729 PM EDT FRI MAY 19 2006

...RED FLAG WARNING HAS EXPIRED FOR THE INTERIOR AREAS OF SOUTH FLORIDA...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR THE INTERIOR AREAS OF SOUTH FLORIDA FOR 
4 HOURS OR MORE OF RELATIVE HUMIDITIES BELOW 35 PERCENT...

THE RED FLAG WARNING HAS EXPIRED FOR THE INTERIOR AREAS OF SOUTH
FLORIDA...AS THE RELATIVE HUMIDITIES HAS INCREASE ABOVE THE 35
PERCENT VALUE THIS EVENING.

HIGH PRESSURE OVER THE EASTERN GULF OF MEXICO WILL BE RIGHT OVER
SOUTH FLORIDA ON SATURDAY. THIS WILL ALLOW FOR THE TEMPERATURES TO
WARM UP INTO THE LOWER 90S OVER THE INTERIOR AREAS. THE HIGH WILL
ALSO ALLOW FOR THE DRY AIR ALOFT TO MIX DOWN TO THE SURFACE OVER
THIS SAME AREA SATURDAY AFTERNOON. THE COMBINATION OF THE VERY
WARM TEMPERATURES AND THE LOW DEW POINTS WILL ALLOW FOR THE
RELATIVE HUMIDITIES TO FALL BELOW 35 PERCENT FOR 4 HOURS OR MORE
SATURDAY AFTERNOON. THEREFORE...A FIRE WEATHER WATCH HAS BEEN
ISSUED FOR THE INTERIOR AREAS OF SOUTH FLORIDA SATURDAY AFTERNOON.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED
FLAG WARNINGS.

$$

FLZ072-073-200030-
/O.EXP.KMFL.FW.W.0049.000000T0000Z-060519T2300Z/
BROWARD METROPOLITAN-WESTERN DADE-
729 PM EDT FRI MAY 19 2006

...RED FLAG WARNING HAS EXPIRED FOR BROWARD COUNTY...

THE RED FLAG WARNING IS NO LONGER IN EFFECT AS THE RELATIVE
HUMIDITIES HAVE INCREASE ABOVE 35 PERCENT VALUE THIS EVENING.

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 3:55 PM EDTFire Weather WatchMFLBroward12 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.