Alert archive / Alabama / Freeze Warnings in 2016

Freeze Warning 2, NWS Mobile, AL

November 21, 201612 counties in Alabama; 5 counties in Mississippi; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this freeze warning at Nov 21, 2016, 2:55 AM CST for 12 counties in Alabama; 5 counties in Mississippi; Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at Nov 22, 2016, 12:00 AM CST. It was in force for . 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 21, 2016, 2:55 AM CST (08:55 UTC)
In effect from
Nov 22, 2016, 12:00 AM CST
Expired
Nov 21, 2016, 12:54 PM CST
In force
Issued by
NWS Mobile, AL

Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 09:00 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.9 hours before the alert went out and 223 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, Slidell Radar S, LA at 00:00Z on 2016-11-21Temperature 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, Slidell Radar S, LA at 00:00Z on 2016-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.193958Sfc1 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
2642 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

907 
WWUS74 KMOB 210855
NPWMOB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
255 AM CST MON NOV 21 2016

...FREEZING TEMPERATURES WILL IMPACT MANY INLAND AREAS LATE TONIGHT
AND EARLY MONDAY MORNING AND AGAIN LATE MONDAY NIGHT THROUGH EARLY TUESDAY
MORNING...

ALZ051>060-261-262-FLZ201-203-205-MSZ067-075-076-078-079-211700-
/O.UPG.KMOB.FZ.A.0002.161122T0600Z-161122T1400Z/
/O.NEW.KMOB.FZ.W.0002.161122T0600Z-161122T1400Z/
/O.CON.KMOB.FZ.W.0001.000000T0000Z-161121T1400Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-ESCAMBIA INLAND-
SANTA ROSA INLAND-OKALOOSA INLAND-WAYNE-PERRY-GREENE-STONE-GEORGE-
INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM...
MILLRY...GROVE HILL...JACKSON...THOMASVILLE...CAMDEN...
PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE...
BRANTLEY...LUVERNE...ATMORE...BREWTON...FLOMATON...ANDALUSIA...
OPP...CITRONELLE...SARALAND...STOCKTON...CENTURY...MOLINO...
WALNUT HILL...JAY...MILTON...CRESTVIEW...WAYNESBORO...BEAUMONT...
NEW AUGUSTA...RICHTON...LEAKESVILLE...MCLAIN...WIGGINS...LUCEDALE
255 AM CST MON NOV 21 2016

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING...
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST
TUESDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. 

* TEMPERATURES...RANGING FROM MID 20S TO LOWER 30S.

* IMPACTS...PROTECT SENSITIVE OUTDOOR VEGETATION AND ANIMALS WHEN
  FREEZING TEMPERATURES ARE ANTICIPATED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ALZ263-264-211400-
/O.CON.KMOB.FZ.W.0001.000000T0000Z-161121T1400Z/
MOBILE CENTRAL-BALDWIN CENTRAL-
INCLUDING THE CITIES OF...MOBILE...PRICHARD...THEODORE...
BAY MINETTE...DAPHNE...FAIRHOPE...FOLEY...SPANISH FORT
255 AM CST MON NOV 21 2016

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING...

* TEMPERATURES...RANGING FROM MID 20S TO LOWER 30S.

* IMPACTS...PROTECT SENSITIVE OUTDOOR VEGETATION AND ANIMALS 
  WHEN FREEZING TEMPERATURES OCCUR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$
2 follow-up statements
405 
WWUS74 KMOB 211346
NPWMOB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
746 AM CST MON NOV 21 2016

...THE FREEZE WARNING FOR THIS MORNING HAS BEEN CANCELLED AS
TEMPERATURES ACROSS THE AREA HAVE RISEN RAPIDLY WITH UNABATED
SUNSHINE AND A VERY DRY AIRMASS. A FREEZE WARNING CONTINUES FOR
TONIGHT THROUGH EARLY TUESDAY MORNING FOR MANY INLAND AREAS...

ALZ051>060-261-262-FLZ201-203-205-MSZ067-075-076-078-079-212200-
/O.CAN.KMOB.FZ.W.0001.000000T0000Z-161121T1400Z/
/O.CON.KMOB.FZ.W.0002.161122T0600Z-161122T1400Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-ESCAMBIA INLAND-
SANTA ROSA INLAND-OKALOOSA INLAND-WAYNE-PERRY-GREENE-STONE-GEORGE-
INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM...
MILLRY...GROVE HILL...JACKSON...THOMASVILLE...CAMDEN...
PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE...
BRANTLEY...LUVERNE...ATMORE...BREWTON...FLOMATON...ANDALUSIA...
OPP...CITRONELLE...SARALAND...STOCKTON...CENTURY...MOLINO...
WALNUT HILL...JAY...MILTON...CRESTVIEW...WAYNESBORO...BEAUMONT...
NEW AUGUSTA...RICHTON...LEAKESVILLE...MCLAIN...WIGGINS...LUCEDALE
746 AM CST MON NOV 21 2016

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CST TUESDAY...
...FREEZE WARNING FOR THIS MORNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE FREEZE
WARNING. 

* TEMPERATURES...RANGING FROM MID 20S TO LOWER 30S.

* IMPACTS...PROTECT SENSITIVE OUTDOOR VEGETATION AND ANIMALS 
  WHEN FREEZING TEMPERATURES ARE ANTICIPATED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ALZ263-264-211500-
/O.CAN.KMOB.FZ.W.0001.000000T0000Z-161121T1400Z/
MOBILE CENTRAL-BALDWIN CENTRAL-
INCLUDING THE CITIES OF...MOBILE...PRICHARD...THEODORE...
BAY MINETTE...DAPHNE...FAIRHOPE...FOLEY...SPANISH FORT
746 AM CST MON NOV 21 2016

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE FREEZE
WARNING. 

THE FREEZE WARNING FOR THIS MORNING HAS BEEN CANCELLED AS
TEMPERATURES ACROSS THE AREA HAVE RISEN RAPIDLY WITH UNABATED
SUNSHINE AND A VERY DRY AIRMASS.

$$
739 
WWUS74 KMOB 211854
NPWMOB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1254 PM CST MON NOV 21 2016

...THE FREEZE WARNING FOR INLAND PORTIONS OF THE REGION FOR TONIGHT
HAS BEEN CANCELLED...

ALZ051>060-261-262-FLZ201-203-205-MSZ067-075-076-078-079-212000-
/O.CAN.KMOB.FZ.W.0002.161122T0600Z-161122T1400Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-ESCAMBIA INLAND-
SANTA ROSA INLAND-OKALOOSA INLAND-WAYNE-PERRY-GREENE-STONE-GEORGE-
INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM...
MILLRY...GROVE HILL...JACKSON...THOMASVILLE...CAMDEN...
PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE...
BRANTLEY...LUVERNE...ATMORE...BREWTON...FLOMATON...ANDALUSIA...
OPP...CITRONELLE...SARALAND...STOCKTON...CENTURY...MOLINO...
WALNUT HILL...JAY...MILTON...CRESTVIEW...WAYNESBORO...BEAUMONT...
NEW AUGUSTA...RICHTON...LEAKESVILLE...MCLAIN...WIGGINS...LUCEDALE
1254 PM CST MON NOV 21 2016

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE FREEZE
WARNING.

MANY LOCATIONS ACROSS INTERIOR SOUTHEAST MISSISSIPPI...SOUTHWEST AND
SOUTH CENTRAL ALABAMA AND THE NORTHWEST FLORIDA PANHANDLE RECEIVED THE
FIRST FREEZE OF THE AUTUMN SEASON EARLY THIS MORNING...WITH OBSERVED
READINGS RANGING FROM 27 TO 32 DEGREES. SINCE THE FIRST FREEZE OF THE
SEASON HAS OCCURRED ACROSS THESE LOCATIONS...ANOTHER ROUTINE FREEZE
WARNING FOR INTERIOR PORTIONS OF THE REGION GENERALLY ALONG AND NORTH
OF INTERSTATE 10 WILL NOT BE NECESSARY AGAIN THIS WINTER SEASON.
HOWEVER...ROUTINE FREEZE WARNINGS WILL RESUME AT THE BEGINNING OF THE
NEXT GROWING SEASON. PLEASE REFER TO THE UPCOMING SPECIAL WEATHER
STATEMENT FOR ADDITIONAL DETAILS.

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 21, 2:59 AM CSTFire Weather WatchMOBEscambia, Okaloosa, Santa Rosa24 hr
Nov 21, 2:59 AM CSTRed Flag WarningMOBEscambia, Okaloosa, Santa Rosa14 hr

Nearby

Freeze Warnings in Alabama, 2016Freeze Warnings in Mississippi, 2016Freeze Warnings in Florida, 2016Every freeze 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.