Alert archive / Alabama / Red Flag Warnings in 2009

Red Flag Warning 7, NWS Mobile, AL

January 16, 20098 counties in Alabama

NWS Mobile, AL issued this red flag warning at Jan 16, 2009, 5:32 AM CST for 8 counties in Alabama. It took effect at Jan 17, 2009, 9:00 AM CST. It was in force for 9 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 16, 2009, 5:32 AM CST (11:32 UTC)
In effect from
Jan 17, 2009, 9:00 AM CST
Expired
Jan 17, 2009, 6:00 PM CST
In force
9 hr
Issued by
NWS Mobile, AL

Counties Butler County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Monroe County, AL, Wilcox County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 11.5 hours before the alert went out and 181 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, Birmingham, AL at 00:00Z on 2009-01-16Temperature 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, Birmingham, AL at 00:00Z on 2009-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -171 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
2212 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
-171 m²/s²
0-3 km storm-relative helicity
-122 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 
WWUS84 KMOB 161132
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
532 AM CST FRI JAN 16 2009

...A RED FLAG WARNING IS IN EFFECT TODAY ACROSS MUCH OF SOUTH ALABAMA
AND THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG DURATIONS OF LOW
RELATIVE HUMIDITY BELOW 25 PERCENT AND NORTH WINDS AT 10 TO 20 MPH...

...A RED FLAG WARNING IS IN EFFECT FOR SATURDAY ACROSS PORTIONS OF
SOUTH ALABAMA AND THE WESTERN FLORIDA PANHANDLE FOR THE POTENTIAL OF
LONG DURATIONS OF LOW RELATIVE HUMIDITY BELOW 25 PERCENT...

...A FIRE WEATHER WATCH IS IN EFFECT FOR SATURDAY ACROSS PORTIONS OF
SOUTHWEST ALABAMA FOR THE POTENTIAL OF LONG DURATIONS OF LOW RELATIVE
HUMIDITY BELOW 25 PERCENT...

.A COLD AND VERY DRY AIRMASS WILL FLOW INTO THE REGION TODAY AS HIGH
PRESSURE BUILDS SLOWLY IN FROM THE NORTH. BREEZY NORTH WINDS AT 10 TO
20 MPH TODAY WILL PRODUCE WIND CHILL VALUES IN THE TEENS OVER INLAND
AREAS THROUGH THE MID MORNING HOURS. EVEN THOUGH TEMPERATURES WILL
STRUGGLE TODAY TO REACH THE UPPER 30S AND LOWER 40S AT MANY
SPOTS...THE RELATIVE HUMIDITY WILL DROP QUICKLY BELOW 25 PERCENT THIS
MORNING...AND WILL REMAIN LOW THROUGH LATE AFTERNOON.  VERY COLD
TEMPERATURES ARE EXPECTED TONIGHT IN THE MIDDLE TO UPPER TEENS INLAND
AND MIDDLE TO UPPER 20S ALONG THE COAST. 

ALZ053>060-162200-
/O.UPG.KMOB.FW.A.0005.090117T1600Z-090117T2300Z/
/O.NEW.KMOB.FW.W.0007.090117T1600Z-090117T2300Z/
/O.CON.KMOB.FW.W.0006.090116T1500Z-090117T0300Z/
CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-
532 AM CST FRI JAN 16 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
9 PM CST THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 5 PM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 5 PM CST SATURDAY. A RED
FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST
THIS EVENING.

RELATIVE HUMIDITY VALUES WILL FALL BELOW 25 PERCENT IN THE MID
MORNING HOURS...FALLING TO AROUND 15 PERCENT IN THE AFTERNOON HOURS.
THE RELATIVE HUMIDITY WONT LIKELY RISE ABOVE 25 PERCENT UNTIL THE
MID EVENING HOURS TONIGHT. RELATIVE HUMIDITIES WILL DROP BELOW 25
PERCENT AGAIN LATE SATURDAY MORNING THEN RETURN ABOVE 25 PERCENT
LATE SATURDAY AFTERNOON.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. VERY LOW RELATIVE
HUMIDITY AND GUSTY NORTHERLY WINDS WILL MAKE FOR AN INCREASED
FIRE GROWTH POTENTIAL.


$$

FLZ001>006-162200-
/O.UPG.KMOB.FW.A.0005.090117T1500Z-090118T0000Z/
/O.NEW.KMOB.FW.W.0007.090117T1500Z-090118T0000Z/
/O.CON.KMOB.FW.W.0006.090116T1500Z-090117T0600Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
532 AM CST FRI JAN 16 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
MIDNIGHT CST TONIGHT...
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 9 AM TO 6 PM CST SATURDAY. A RED
FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO MIDNIGHT CST
TONIGHT.

RELATIVE HUMIDITIES WILL DROP BELOW 35 PERCENT THIS MORNING...AND
WILL FALL TO AROUND 15 PERCENT IN THE AFTERNOON.  THE RELATIVE
HUMIDITY ON WONT LIKELY RISE ABOVE 35 PERCENT UNTIL THE LATE EVENING
HOURS. RELATIVE HUMIDITIES WILL DROP BELOW 35 PERCENT DURING SATURDAY
MORNING THEN RETURN ABOVE 35 PERCENT LATE SATURDAY AFTERNOON.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. VERY LOW RELATIVE HUMIDITY
AND GUSTY NORTHERLY WINDS WILL MAKE FOR AN INCREASED FIRE GROWTH
POTENTIAL.

$$

ALZ051-052-061>064-162200-
/O.CON.KMOB.FW.W.0006.090116T1500Z-090117T0300Z/
/O.CON.KMOB.FW.A.0005.090117T1600Z-090117T2300Z/
CHOCTAW-WASHINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
532 AM CST FRI JAN 16 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
9 PM CST THIS EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
9 PM CST THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT
FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON. 

RELATIVE HUMIDITY VALUES TODAY WILL FALL BELOW 25 PERCENT IN THE MID
MORNING HOURS...DROPPING TO AROUND 15 PERCENT IN THE EARLY TO MID
AFTERNOON. THE RELATIVE HUMIDITY WONT LIKELY RISE ABOVE 25 PERCENT
UNTIL THE MID EVENING HOURS TONIGHT. RELATIVE HUMIDITIES COULD DROP
BELOW 25 PERCENT AGAIN LATE SATURDAY MORNING...RISING ABOVE 25
PERCENT IN THE MID TO LATE AFTERNOON ON SATURDAY.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. VERY LOW RELATIVE
HUMIDITY AND GUSTY NORTHERLY WINDS WILL MAKE FOR AN INCREASED
FIRE GROWTH POTENTIAL.

$$
2 follow-up statements
000 
WWUS84 KMOB 162059
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
259 PM CST FRI JAN 16 2009

...A RED FLAG WARNING REMAINS IN EFFECT TODAY ACROSS MUCH OF SOUTH
ALABAMA AND THE WESTERN FLORIDA PANHANDLE FOR LONG DURATIONS OF LOW
RELATIVE HUMIDITY BELOW 25 PERCENT AND NORTH WINDS AT 10 TO 20 MPH...

...A RED FLAG WARNING IS IN EFFECT FOR SATURDAY ACROSS PORTIONS OF
SOUTH ALABAMA AND THE WESTERN FLORIDA PANHANDLE FOR THE POTENTIAL OF
LONG DURATIONS OF LOW RELATIVE HUMIDITY BELOW 25 PERCENT...

...A FIRE WEATHER WATCH IS IN EFFECT FOR SATURDAY ACROSS PORTIONS OF
SOUTHWEST ALABAMA FOR THE POTENTIAL OF LONG DURATIONS OF LOW RELATIVE
HUMIDITY BELOW 25 PERCENT...

.A COLD AND DRY AIRMASS WILL CONTINUE ACROSS THE REGION
ON SATURDAY BEFORE MOISTURE LEVELS INCREASE ON SUNDAY AHEAD OF A COLD
FRONT. RELATIVE HUMIDITY LEVELS ARE AGAIN EXPECTED TO DROP NEAR 
CRITICAL LEVELS ACROSS MOST OF THE AREA ON SATURDAY.

FLZ001>006-171300-
/O.CON.KMOB.FW.W.0006.000000T0000Z-090117T0600Z/
/O.CON.KMOB.FW.W.0007.090117T1500Z-090118T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
259 PM CST FRI JAN 16 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 6 PM CST
SATURDAY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT.
A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 6 PM CST
SATURDAY. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. VERY LOW RELATIVE HUMIDITY
AND GUSTY NORTHERLY WINDS WILL MAKE FOR AN INCREASED FIRE GROWTH
POTENTIAL.

$$

ALZ053>060-171300-
/O.CON.KMOB.FW.W.0006.000000T0000Z-090117T0300Z/
/O.CON.KMOB.FW.W.0007.090117T1600Z-090117T2300Z/
CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-
259 PM CST FRI JAN 16 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 5 PM CST
SATURDAY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING.
A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 5 PM CST
SATURDAY. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. VERY LOW RELATIVE HUMIDITY
AND GUSTY NORTHERLY WINDS WILL MAKE FOR AN INCREASED FIRE GROWTH
POTENTIAL.

$$

ALZ051-052-061>064-171300-
/O.CON.KMOB.FW.W.0006.000000T0000Z-090117T0300Z/
/O.CON.KMOB.FW.A.0005.090117T1600Z-090117T2300Z/
CHOCTAW-WASHINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
259 PM CST FRI JAN 16 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING.
A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY AFTERNOON. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. VERY LOW RELATIVE HUMIDITY
AND GUSTY NORTHERLY WINDS WILL MAKE FOR AN INCREASED FIRE GROWTH
POTENTIAL.

$$
000 
WWUS84 KMOB 171034
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
434 AM CST SAT JAN 17 2009

...A RED FLAG WARNING IS IN EFFECT TODAY ACROSS PORTIONS OF SOUTH
ALABAMA AND THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG
DURATIONS OF LOW RELATIVE HUMIDITY BELOW 25 PERCENT...

...THE FIRE WEATHER WATCH FOR PORTIONS OF SOUTHWEST AND COASTAL 
ALABAMA TODAY HAS BEEN CANCELLED...

.A COLD AND DRY AIRMASS WILL CONTINUE ACROSS THE REGION ON
SATURDAY BEFORE MOISTURE LEVELS INCREASE ON SUNDAY AHEAD OF A
COLD FRONT. RELATIVE HUMIDITY LEVELS ARE AGAIN EXPECTED TO DROP
NEAR CRITICAL LEVELS ACROSS MOST OF THE AREA ON SATURDAY.

ALZ051-052-061>064-171145-
/O.CAN.KMOB.FW.A.0005.090117T1600Z-090117T2300Z/
CHOCTAW-WASHINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
434 AM CST SAT JAN 17 2009

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELED THE FIRE
WEATHER WATCH. 

LOWEST RELATIVE HUMIDITY VALUES TODAY ARE FORECAST TO FALL TO AROUND
30 PERCENT. THE CRITERIA FOR ISSUING A RED FLAG WARNING IN SOUTHERN
ALABAMA IS 4 OR MORE HOURS OF LOW RELATIVE HUMIDITY BELOW 25 PERCENT. 

$$

FLZ001>006-180000-
/O.CON.KMOB.FW.W.0007.090117T1500Z-090118T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
434 AM CST SAT JAN 17 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
6 PM CST THIS AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
6 PM CST THIS AFTERNOON. 

A DRY AIRMASS WILL GRADUALLY BEGIN MOISTENING UP LATE TODAY...BUT NOT
BEFORE SEVERAL HOURS OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT.
LOWEST HUMIDITY VALUES ARE FORECAST TO FALL TO BETWEEN 20 AND 25
PERCENT FOR SOME AREAS NORTH OF INTERSTATE 10.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL MAKE FOR AN INCREASED FIRE GROWTH POTENTIAL.

$$

ALZ053>060-172300-
/O.CON.KMOB.FW.W.0007.090117T1600Z-090117T2300Z/
CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-
434 AM CST SAT JAN 17 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
5 PM CST THIS AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
5 PM CST THIS AFTERNOON. 

A DRY AIRMASS WILL GRADUALLY BEGIN MOISTENING UP LATE TODAY...BUT 
NOT BEFORE SEVERAL HOURS OF LOW RELATIVE HUMIDITY BELOW 25 PERCENT.
LOWEST HUMIDITY VALUES ARE FORECAST TO FALL TO AROUND 20 PERCENT FOR
SEVERAL LOCATIONS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL MAKE FOR AN INCREASED FIRE GROWTH POTENTIAL.

$$

Nearby

Red Flag Warnings in Alabama, 2009Red Flag Warnings in Florida, 2009Every red flag warning in 2009

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.