Alert archive / Alabama / Red Flag Warnings in 2016

Red Flag Warning 6, NWS Mobile, AL

November 19, 20167 counties in Alabama; Greene County, Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this red flag warning at Nov 19, 2016, 9:55 AM CST for 7 counties in Alabama; Greene County, Perry County, Wayne County, Mississippi. It took effect at Nov 19, 2016, 1:00 PM CST. It was in force for 5 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
Nov 19, 2016, 9:55 AM CST (15:55 UTC)
In effect from
Nov 19, 2016, 1:00 PM CST
Expired
Nov 19, 2016, 6:00 PM CST
In force
5 hr
Issued by
NWS Mobile, AL

Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Crenshaw County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Greene County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 111 km from the middle of the area, began a volume at 15:52 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

Birmingham, AL (KBMX), launched 12:00Z, 3.9 hours before the alert went out and 200 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 12:00Z on 2016-11-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Birmingham, AL at 12:00Z on 2016-11-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -68 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
570 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-68 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

957 
WWUS84 KMOB 191555
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
955 AM CST SAT NOV 19 2016

...A RED FLAG WARNING IS IN EFFECT FOR INTERIOR PORTIONS OF SOUTHEAST
MISSISSIPPI AND SOUTHWEST ALABAMA THIS AFTERNOON DUE TO LONG DURATION
LOW RELATIVE HUMIDITY AND ELEVATED NORTHERLY 20 FOOT WINDS...

...A FIRE WEATHER WATCH IS IN EFFECT FOR THE WESTERN FLORIDA
PANHANDLE SUNDAY AFTERNOON DUE TO A PERIOD OF CRITICALLY LOW
HUMIDITIES AND POTENTIALLY HIGH ERC COMPONENTS...

.A DRY COLD FRONT MOVING ACROSS THE REGION THIS MORNING WILL BRING
CRITICALLY LOW RELATIVE HUMIDITY AND INCREASED NORTHERLY WIND SPEEDS
ACROSS INTERIOR PORTIONS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST
ALABAMA THIS AFTERNOON. A RED FLAG WARNING HAS BEEN ISSUED FOR THESE
LOCATIONS THIS AFTERNOON. THE COMBINATION OF RH VALUES BELOW 28
PERCENT AND ERC VALUES NEAR OR EQUAL TO 37 FOR A PERIOD OF ROUGHLY 5
TO 8 HOURS SUNDAY AFTERNOON HAS LED TO THE ISSUANCE OF A FIRE WEATHER
WATCH FOR THE WESTERN FLORIDA PANHANDLE SUNDAY.

ALZ051>055-057-058-MSZ067-075-076-200000-
/O.NEW.KMOB.FW.W.0006.161119T1900Z-161120T0000Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-BUTLER-CRENSHAW-WAYNE-
PERRY-GREENE-
955 AM CST SAT NOV 19 2016

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CST THIS EVENING FOR INTERIOR SOUTHEAST MISSISSIPPI AND SOUTHWEST
ALABAMA DUE TO LONG DURATION CRITICALLY LOW RELATIVE HUMIDITY AND
ELEVATED NORTHERLY WINDS...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CST
THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 
  055...057 AND 058. FIRE WEATHER ZONES 067...075 AND 076. 

* WIND...NORTHWEST TO NORTH AROUND 15 MPH WITH GUSTS OF 20 TO 25
  MPH.

* HUMIDITY...AS LOW AS 23 PERCENT FOR UP TO 4 HOURS.

* 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

FLZ201>206-200000-
/O.CON.KMOB.FW.A.0004.161120T1600Z-161120T2300Z/
ESCAMBIA INLAND-ESCAMBIA COASTAL-SANTA ROSA INLAND-
SANTA ROSA COASTAL-OKALOOSA INLAND-OKALOOSA COASTAL-
955 AM CST SAT NOV 19 2016

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO
A LONG PERIOD OF CRITICALLY LOW RELATIVE HUMIDITIES AND HIGH ERC
VALUES...

* AFFECTED AREA...FIRE WEATHER ZONES 201...202...203...204... 
  205 AND 206. 

* WIND...NORTH 8 TO 13 MPH. 

* HUMIDITY...BELOW 28 PERCENT FOR 5 TO 8 HOURS...WITH MINIMUM
  VALUES OF 15 TO 20 PERCENT.  

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
1 follow-up statement
749 
WWUS84 KMOB 200004
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
604 PM CST SAT NOV 19 2016

...A FIRE WEATHER WATCH IS IN EFFECT FOR THE WESTERN FLORIDA
PANHANDLE SUNDAY AFTERNOON DUE TO A PERIOD OF CRITICALLY LOW
HUMIDITIES AND POTENTIALLY HIGH ERC COMPONENTS...

.THE COMBINATION OF RH VALUES BELOW 28 PERCENT AND ERC VALUES NEAR
OR EQUAL TO 37 FOR A PERIOD OF ROUGHLY 5 TO 8 HOURS SUNDAY AFTERNOON
HAS LED TO THE ISSUANCE OF A FIRE WEATHER WATCH FOR THE WESTERN
FLORIDA PANHANDLE SUNDAY.

ALZ051>055-057-058-MSZ067-075-076-200115-
/O.EXP.KMOB.FW.W.0006.000000T0000Z-161120T0000Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-BUTLER-CRENSHAW-WAYNE-
PERRY-GREENE-
604 PM CST SAT NOV 19 2016

...RED FLAG WARNING HAS EXPIRED FOR INTERIOR SOUTHEAST
MISSISSIPPI AND SOUTHWEST ALABAMA DUE TO LONG DURATION CRITICALLY
LOW RELATIVE HUMIDITY AND ELEVATED NORTHERLY WINDS...


$$

FLZ201>206-200815-
/O.CON.KMOB.FW.A.0004.161120T1600Z-161120T2300Z/
ESCAMBIA INLAND-ESCAMBIA COASTAL-SANTA ROSA INLAND-
SANTA ROSA COASTAL-OKALOOSA INLAND-OKALOOSA COASTAL-
604 PM CST SAT NOV 19 2016

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO
A LONG PERIOD OF CRITICALLY LOW RELATIVE HUMIDITIES AND HIGH ERC
VALUES...

* AFFECTED AREA...FIRE WEATHER ZONES 201...202...203...204... 
  205 AND 206. 

* WIND...NORTH 8 TO 13 MPH.

* HUMIDITY...BELOW 28 PERCENT FOR 5 TO 8 HOURS...WITH MINIMUM 
  VALUES OF 15 TO 20 PERCENT.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 19, 4:14 AM CSTFreeze WatchMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more23 hr

Nearby

Red Flag Warnings in Alabama, 2016Red Flag Warnings in Mississippi, 2016Every red flag warning in 2016

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.