Alert archive / Alabama / Wind Chill Advisories in 2017

Wind Chill Advisory 2, NWS Mobile, AL

January 7, 201712 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi

NWS Mobile, AL issued this wind chill advisory at Jan 7, 2017, 1:51 PM CST for 12 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi. It took effect at Jan 8, 2017, 12:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 7, 2017, 1:51 PM CST (19:51 UTC)
In effect from
Jan 8, 2017, 12:00 AM CST
Expired
Jan 8, 2017, 8:00 AM CST
In force
8 hr
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 19:55 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 12:00Z, 7.9 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 12:00Z on 2017-01-07Temperature 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 12:00Z on 2017-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -412 square meters per square second.1939587897117Sfc1 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
714 m above ground
0-6 km bulk shear
91 kt
0-1 km storm-relative helicity
-412 m²/s²
0-3 km storm-relative helicity
-256 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

692 
WWUS44 KMOB 071951
WSWMOB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
151 PM CST SAT JAN 7 2017

...A WIND CHILL ADVISORY IS IN EFFECT LATE TONIGHT AND EARLY SUNDAY
MORNING...

.A BRISK NORTHERLY WIND COMBINED WITH VERY COLD TEMPERATURES WILL
RESULT IN DANGEROUS WIND CHILL CONDITIONS LATE TONIGHT AND EARLY
SUNDAY MORNING. 

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-080600-
/O.NEW.KMOB.WC.Y.0002.170108T0600Z-170108T1400Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL-
BALDWIN CENTRAL-MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA INLAND-
ESCAMBIA COASTAL-SANTA ROSA INLAND-SANTA ROSA COASTAL-
OKALOOSA INLAND-OKALOOSA COASTAL-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...MOBILE...PRICHARD...
THEODORE...BAY MINETTE...DAPHNE...FAIRHOPE...FOLEY...
SPANISH FORT...BAYOU LA BATRE...DAUPHIN ISLAND...GRAND BAY...
FORT MORGAN...GULF SHORES...ORANGE BEACH...CENTURY...MOLINO...
WALNUT HILL...BEULAH...ENSLEY...FORT PICKENS...PENSACOLA...
PENSACOLA BEACH...PERDIDO BAY...JAY...MILTON...BAGDAD...
GULF BREEZE...NAVARRE...CRESTVIEW...DESTIN...EGLIN AFB...
FORT WALTON BEACH...NICEVILLE...SEMINOLE...VALPARAISO...WRIGHT...
WAYNESBORO...BEAUMONT...NEW AUGUSTA...RICHTON...LEAKESVILLE...
MCLAIN...WIGGINS...LUCEDALE
151 PM CST SAT JAN 7 2017

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST
SUNDAY. 

* WIND CHILL VALUES...LOWER TO 8 TO 10 DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS OF -9 TO 10. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE
NOT TAKEN.  IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A
HAT AND GLOVES.

&&

$$
3 follow-up statements
512 
WWUS44 KMOB 072015 CCA
WSWMOB

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MOBILE AL
215 PM CST SAT JAN 7 2017

...A WIND CHILL ADVISORY IS IN EFFECT LATE TONIGHT AND EARLY SUNDAY
MORNING...

.A BRISK NORTHERLY WIND COMBINED WITH VERY COLD TEMPERATURES WILL
RESULT IN DANGEROUS WIND CHILL CONDITIONS LATE TONIGHT AND EARLY
SUNDAY MORNING. 

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-080815-
/O.COR.KMOB.WC.Y.0002.170108T0600Z-170108T1400Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL-
BALDWIN CENTRAL-MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA INLAND-
ESCAMBIA COASTAL-SANTA ROSA INLAND-SANTA ROSA COASTAL-
OKALOOSA INLAND-OKALOOSA COASTAL-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...MOBILE...PRICHARD...
THEODORE...BAY MINETTE...DAPHNE...FAIRHOPE...FOLEY...
SPANISH FORT...BAYOU LA BATRE...DAUPHIN ISLAND...GRAND BAY...
FORT MORGAN...GULF SHORES...ORANGE BEACH...CENTURY...MOLINO...
WALNUT HILL...BEULAH...ENSLEY...FORT PICKENS...PENSACOLA...
PENSACOLA BEACH...PERDIDO BAY...JAY...MILTON...BAGDAD...
GULF BREEZE...NAVARRE...CRESTVIEW...DESTIN...EGLIN AFB...
FORT WALTON BEACH...NICEVILLE...SEMINOLE...VALPARAISO...WRIGHT...
WAYNESBORO...BEAUMONT...NEW AUGUSTA...RICHTON...LEAKESVILLE...
MCLAIN...WIGGINS...LUCEDALE
215 PM CST SAT JAN 7 2017

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST
SUNDAY. 

* WIND CHILL VALUES...3 TO 10 DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS OF -9 TO 10. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE
NOT TAKEN.  IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A
HAT AND GLOVES.

&&

$$
462 
WWUS44 KMOB 080934
WSWMOB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
334 AM CST SUN JAN 8 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS
MORNING...

.A BRISK NORTHERLY WIND COMBINED WITH VERY COLD TEMPERATURES WILL
RESULT IN DANGEROUS WIND CHILL CONDITIONS.

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-081400-
/O.CON.KMOB.WC.Y.0002.000000T0000Z-170108T1400Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL-
BALDWIN CENTRAL-MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA INLAND-
ESCAMBIA COASTAL-SANTA ROSA INLAND-SANTA ROSA COASTAL-
OKALOOSA INLAND-OKALOOSA COASTAL-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...MOBILE...PRICHARD...
THEODORE...BAY MINETTE...DAPHNE...FAIRHOPE...FOLEY...
SPANISH FORT...BAYOU LA BATRE...DAUPHIN ISLAND...GRAND BAY...
FORT MORGAN...GULF SHORES...ORANGE BEACH...CENTURY...MOLINO...
WALNUT HILL...BEULAH...ENSLEY...FORT PICKENS...PENSACOLA...
PENSACOLA BEACH...PERDIDO BAY...JAY...MILTON...BAGDAD...
GULF BREEZE...NAVARRE...CRESTVIEW...DESTIN...EGLIN AFB...
FORT WALTON BEACH...NICEVILLE...SEMINOLE...VALPARAISO...WRIGHT...
WAYNESBORO...BEAUMONT...NEW AUGUSTA...RICHTON...LEAKESVILLE...
MCLAIN...WIGGINS...LUCEDALE
334 AM CST SUN JAN 8 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS
MORNING...

* WIND CHILL VALUES...3 TO 10 DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS OF -9 TO 10. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE
NOT TAKEN.  IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A
HAT AND GLOVES.

&&

$$
504 
WWUS44 KMOB 081402 AAA
WSWMOB

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MOBILE AL
802 AM CST SUN JAN 8 2017

...WIND CHILL ADVISORY HAS EXPIRED...

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-081515-
/O.EXP.KMOB.WC.Y.0002.000000T0000Z-170108T1400Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL-
BALDWIN CENTRAL-MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA INLAND-
ESCAMBIA COASTAL-SANTA ROSA INLAND-SANTA ROSA COASTAL-
OKALOOSA INLAND-OKALOOSA COASTAL-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...MOBILE...PRICHARD...
THEODORE...BAY MINETTE...DAPHNE...FAIRHOPE...FOLEY...
SPANISH FORT...BAYOU LA BATRE...DAUPHIN ISLAND...GRAND BAY...
FORT MORGAN...GULF SHORES...ORANGE BEACH...CENTURY...MOLINO...
WALNUT HILL...BEULAH...ENSLEY...FORT PICKENS...PENSACOLA...
PENSACOLA BEACH...PERDIDO BAY...JAY...MILTON...BAGDAD...
GULF BREEZE...NAVARRE...CRESTVIEW...DESTIN...EGLIN AFB...
FORT WALTON BEACH...NICEVILLE...SEMINOLE...VALPARAISO...WRIGHT...
WAYNESBORO...BEAUMONT...NEW AUGUSTA...RICHTON...LEAKESVILLE...
MCLAIN...WIGGINS...LUCEDALE
802 AM CST SUN JAN 8 2017

...WIND CHILL ADVISORY HAS EXPIRED...

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 2:38 AM CSTHard Freeze WarningMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more29 hr
Jan 7, 2:38 AM CSTWind AdvisoryMOBBaldwin, Mobile15 hr

Nearby

Wind Chill Advisories in Alabama, 2017Wind Chill Advisories in Mississippi, 2017Wind Chill Advisories in Florida, 2017Every wind chill advisory in 2017

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.