Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 2, NWS Miami, FL

January 29, 20075 counties in Florida

NWS Miami, FL issued this red flag warning at Jan 29, 2007, 4:27 AM EST for 5 counties in Florida. It took effect at Jan 29, 2007, 12:00 PM EST. 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
Jan 29, 2007, 4:27 AM EST (09:27 UTC)
In effect from
Jan 29, 2007, 12:00 PM EST
Expired
Jan 29, 2007, 7:02 PM EST
In force
7 hr
Issued by
NWS Miami, FL

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

The radar

The Miami radar (KAMX), 55 km from the middle of the area, began a volume at 09:32 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, 9.5 hours before the alert went out and 50 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 2007-01-29Temperature 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, Miami, FL at 00:00Z on 2007-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939587897117136Sfc1 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
1444 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
85 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 290927
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
427 AM EST MON JAN 29 2007

FLZ063-066>075-300000-
/O.UPG.KMFL.FW.A.0002.070129T1700Z-070130T0000Z/
/O.NEW.KMFL.FW.W.0002.070129T1700Z-070130T0000Z/
GLADES-HENDRY-PALM BEACH WESTERN-PALM BEACH EASTERN-
WESTERN COLLIER-EASTERN COLLIER-WESTERN BROWARD-
BROWARD METROPOLITAN-WESTERN DADE-DADE METROPOLITAN-
MAINLAND MONROE-
427 AM EST MON JAN 29 2007

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EST THIS
EVENING ALL AREAS FOR RELATIVE HUMIDITIES BELOW 35 PERCENT FOR 
4 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 EST THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

ANOTHER COLD FRONT WILL MOVE SOUTH ACROSS THE AREA THIS MORNING. 
NORTHWEST WINDS BEHIND THIS FRONT WILL USHER MUCH DRIER AIR INTO
THE AREA THIS AFTERNOON. DEW POINTS WILL DROP INTO THE 20S AND 30S
ACROSS THE AREA...RESULTING IN RELATIVE HUMIDITIES BELOW 35
PERCENT FOR FOUR HOURS OR MORE. IN FACT...RELATIVE HUMIDITIES IN
THE 20S ARE FORECAST FOR MOST AREAS THIS AFTERNOON. CONSEQUENTLY...A
RED FLAG WARNING HAS BEEN ISSUED FOR THE ENTIRE AREA THIS AFTERNOON.

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.

$$

GREGORIA
2 follow-up statements
000 
WWUS82 KMFL 292127
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
427 PM EST MON JAN 29 2007

FLZ063-066>075-300000-
/O.NEW.KMFL.FW.A.0003.070130T1700Z-070131T0000Z/
/O.CON.KMFL.FW.W.0002.000000T0000Z-070130T0000Z/
GLADES-HENDRY-PALM BEACH WESTERN-PALM BEACH EASTERN-
WESTERN COLLIER-EASTERN COLLIER-WESTERN BROWARD-
BROWARD METROPOLITAN-WESTERN DADE-DADE METROPOLITAN-
MAINLAND MONROE-
427 PM EST MON JAN 29 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING.

A VERY DRY LOW-LEVEL AIRMASS CONTINUES TO FILTER INTO THE REGION
FOLLOWING A SERIES OF COLD FRONTAL PASSAGES. DEW POINTS WILL
HOLD STEADY IN THE UPPER TEENS AND 20S FOR THE REMAINDER OF MONDAY
AFTERNOON...BEFORE INCREASING AFTER DUSK. HOWEVER...DEWPOINTS WILL
FALL INTO THE TEENS AND 20S AGAIN BY EARLY TUESDAY AFTERNOON...
RESULTING IN RELATIVE HUMIDITIES FALLING BELOW 35 PERCENT FOR MUCH
OF THE AFTERNOON. THUS...A FIRE WEATHER WATCH HAS BEEN ISSUED FOR
ALL OF SOUTH FLORIDA ON TUESDAY.

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.

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

$$

70/DD
000 
WWUS82 KMFL 300002
RFWMFL

RED FLAG WARNING
NATIONAL WEATHER SERVICE MIAMI FL
702 PM EST MON JAN 29 2007

FLZ063-066>075-300115-
/O.CAN.KMFL.FW.W.0002.000000T0000Z-070130T0000Z/
/O.CON.KMFL.FW.A.0003.070130T1700Z-070131T0000Z/
GLADES-HENDRY-PALM BEACH WESTERN-PALM BEACH EASTERN-
WESTERN COLLIER-EASTERN COLLIER-WESTERN BROWARD-
BROWARD METROPOLITAN-WESTERN DADE-DADE METROPOLITAN-
MAINLAND MONROE-
702 PM EST MON JAN 29 2007

...RED FLAG WARNING IS CANCELLED...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH TUESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE RED FLAG
WARNING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY
AFTERNOON THROUGH TUESDAY EVENING. 

RELATIVE HUMIDITIES HAVE BEGUN TO CLIMB TO NEAR OR ABOVE 35
PERCENT ACROSS ALL OF SOUTH FLORIDA...WHICH MEANS THAT RED FLAG
CONDITIONS ARE NO LONGER BEING MET. DEWPOINTS WILL CONTINUE TO
RISE SOME THIS EVENING, AND, AS TEMPERATURES COOL, RELATIVE
HUMIDITY VALUES WILL CONTINUE TO RISE ABOVE CRITICAL LEVELS.

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 29, 8:48 AM ESTFreeze WarningMFLBroward, Collier, Glades, Hendry, Palm Beach23 hr
Jan 29, 4:27 PM ESTFire Weather WatchMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach13 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.