Alert archive / Alabama / Hard Freeze Warnings in 2014

Hard Freeze Warning 4, NWS Mobile, AL

January 28, 20149 counties in Alabama; 5 counties in Mississippi

NWS Mobile, AL issued this hard freeze warning at Jan 28, 2014, 4:00 AM CST for 9 counties in Alabama; 5 counties in Mississippi. It took effect at Jan 29, 2014, 12:00 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 28, 2014, 4:00 AM CST (10:00 UTC)
In effect from: Jan 29, 2014, 12:00 AM CST
Expired: Jan 29, 2014, 9:00 AM CST
In force: 9 hr
Issued by: NWS Mobile, AL

Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Crenshaw County, AL, Escambia County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 93 km from the middle of the area, began a volume at 10:05 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 00:00Z, 10.0 hours before the alert went out and 217 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2149 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 207 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this hard freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this hard freeze warning went out at Jan 27, 11:45 PM CST, 4 hours 15 minutes earlier.

Area forecast discussion, Jan 27, 11:45 PM CST, 4 hours 15 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
1145 PM CST MON JAN 27 2014

.AVIATION...NOT MANY CHANGES TO TAFS THIS CYCLE EXCEPT TO CLARIFY
ESTIMATED TIMING OF FREEZING AND FROZEN PRECIPITATION ONSET AND
DURATION AT TERMINALS. NOTE THAT KPNS NOW HAS FREEZING PRECIPITATION THAT
LAGS THE ONSET OF KMOB AND KBFM BY APPROXIMATELY 2-3 HOURS. CIGS
LOWER TO MVFR LATE TONIGHT...IFR BY MID MORNING AND THEN LIFR
TOMORROW AFTERNOON AS FREEZING RAIN BECOMES MORE INTENSE DURING
AFTERNOON HOURS AND THEN CHANGES TO SNOW LATE FROM NW TO SE ACROSS
THE AREA LATE TOMORROW AFTERNOON. GUSTY NORTHERLY WINDS PREVAIL IN
THE 18-23 KNOT RANGE WITH WIND GUSTS TO NEAR 30 KNOTS. VSBYS WILL
MOSTLY HANG OUT IN THE MVFR RANGE MOST OF THE PERIOD BUT OCCASIONAL
IFR NOT OUT OF THE QUESTION AFTER 28.21 UTC TOMORROW AFTERNOON. AM
FORECASTING LIFR CIGS AND MVFR VSBYS AFTER 29.00 UTC AT MOST COASTAL TAF
SITES AS FREEZING RAIN CHANGES TO SNOW AND/OR A MIX OF SLEET AND
SNOW. THIS ENDURES THROUGH 29.03 UTC AND FINALLY BECOMES LIGHT SNOW
BEFORE ENDING TOWARDS VERY END OF PERIOD. /23 JMM

&&

.PRELIMINARY POINT TEMPS/POPS...
MOBILE      63  29  32  20  36 /  70  20  90  70  05
PENSACOLA   64  34  37  24  36 /  70  30 100  80  10
DESTIN      63  37  40  27  38 /  60  30  90  80  10
EVERGREEN   62  29  31  21  34 /  60  20  90  70  05
WAYNESBORO  61  26  30  14  37 /  40  20  80  50  05
CAMDEN      60  27  30  18  35 /  40  20  80  60  10
CRESTVIEW   68  33  35  25  36 /  60  30  90  80  10

&&

.MOB WATCHES/WARNINGS/ADVISORIES...
AL...WINTER STORM WARNING FROM 6 AM TUESDAY TO 6 AM WEDNESDAY FOR THE
     FOLLOWING ZONES: BUTLER...CHOCTAW...CLARKE...CONECUH...
     COVINGTON...CRENSHAW...ESCAMBIA...LOWER BALDWIN...LOWER
     MOBILE...MONROE...UPPER BALDWIN...UPPER MOBILE...
     WASHINGTON...WILCOX...

     HARD FREEZE WATCH FROM MIDNIGHT WEDNESDAY TO 9 AM WEDNESDAY FOR
     THE FOLLOWING ZONES: BUTLER...CHOCTAW...CLARKE...CONECUH...
     CRENSHAW...ESCAMBIA...MONROE...UPPER BALDWIN...UPPER
     MOBILE...WASHINGTON...WILCOX...

FL...WINTER STORM WARNING FROM 6 AM TUESDAY TO 6 AM WEDNESDAY FOR THE
     FOLLOWING ZONES: COASTAL ESCAMBIA...COASTAL OKALOOSA...
     COASTAL SANTA ROSA...INLAND ESCAMBIA...INLAND OKALOOSA...
     INLAND SANTA ROSA...

MS...HARD FREEZE WATCH FROM MIDNIGHT WEDNESDAY TO 9 AM WEDNESDAY FOR
     THE FOLLOWING ZONES: GEORGE...GREENE...PERRY...STONE...
     WAYNE...

     WINTER STORM WARNING FROM 6 AM TUESDAY TO 6 AM WEDNESDAY FOR THE
     FOLLOWING ZONES: GEORGE...GREENE...PERRY...STONE...WAYNE...

GM...SMALL CRAFT ADVISORY UNTIL 9 AM WEDNESDAY FOR THE FOLLOWING
     ZONES: CHOCTAWHATCHEE BAY...COASTAL WATERS FROM DESTIN TO
     PENSACOLA FL OUT 20 NM...COASTAL WATERS FROM PENSACOLA FL
     TO PASCAGOULA MS OUT 20 NM...MISSISSIPPI SOUND...NORTHERN
     MOBILE BAY...PENSACOLA BAY SYSTEM...PERDIDO BAY...SOUTHERN
     MOBILE BAY...WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO
     60 NM...WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20
     TO 60 NM...

&&

Hazardous weather outlook, Jan 27, 4:02 PM CST, 11 hours 58 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MOBILE AL
402 PM CST MON JAN 27 2014

ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-282215-
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-WAYNE-PERRY-
GREENE-STONE-GEORGE-
402 PM CST MON JAN 27 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

.DAY ONE...THIS AFTERNOON AND TONIGHT

...WINTER STORM WARNING IN EFFECT THROUGH WEDNESDAY MORNING...

MUCH COLDER AIR WILL MOVE INTO THE AREA TONIGHT IN THE WAKE OF A
STRONG COLD FRONT. STRONG NORTHERLY WINDS AND VERY COLD TEMPERATURES
WILL SPREAD INTO THE AREA TONIGHT. LATE TONIGHT MOISTURE WILL BEGIN
TO OVERSPREAD THE AREA AFTER MIDNIGHT TONIGHT. RAIN WILL TRANSITION
TO A MIX OF SLEET AND FREEZING RAIN BEFORE DAYBREAK.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

MOISTURE WILL SPREAD ACROSS OUR AREA ON TUESDAY AS A SERIES OF
STRONG UPPER LEVEL DISTURBANCES MOVE FROM WEST TO EAST OVER MUCH OF
THE GULF COAST REGION. WITH COLD AIR IN PLACE...MOST OF THE AREA
NORTH OF THE IMMEDIATE COAST CAN EXPECT A MIX OF FREEZING RAIN AND
SLEET THROUGHOUT THE DAY TUESDAY... WHILE SNOW MAY ALSO MIX IN ACROSS
INTERIOR PORTIONS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA.
PRECIPITATION MAY TRANSITION TO A WINTRY MIX OF FREEZING
RAIN...SLEET...AND SNOW NEAR THE COAST TUESDAY NIGHT...AND FROM SLEET
TO SNOW OVER INTERIOR AREAS. SIGNIFICANT ICE...SLEET...AND SNOW
ACCUMULATIONS WILL BE POSSIBLE BEFORE PRECIPITATION ENDS WEDNESDAY.

A HARD FREEZE WATCH IS IN EFFECT TUESDAY NIGHT THROUGH WEDNESDAY
MORNING FOR THE POTENTIAL OF TEMPERATURES DROPPING INTO THE UPPER
TEENS TO AROUND 20 DEGREES.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT WILL BE
REQUIRED LATE TONIGHT THROUGH TUESDAY AS THE WINTER STORM MOVES ACROSS
THE AREA.

GMZ630>635-650-655-670-675-282215-
NORTHERN MOBILE BAY-SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
PERDIDO BAY-PENSACOLA BAY SYSTEM-CHOCTAWHATCHEE BAY-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
402 PM CST MON JAN 27 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL
WATERS OF ALABAMA AND NORTHWEST FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A STRONG COLD FRONT WILL MOVE SOUTH OF THE MARINE AREA TONIGHT WITH A
A STRONG NORTHERLY FLOW IN THE WAKE OF THE FRONT TONIGHT. THIS WILL
CREATE HAZARDOUS CONDITIONS FOR SMALL CRAFT TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

HAZARDOUS CONDITIONS FOR SMALL CRAFT WILL CONTINUE THROUGH WEDNESDAY
MORNING DUE TO STRONG NORTHERLY WINDS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 28, 4:00 AM CST	Wind Advisory	MOB		32 hr
Jan 28, 4:44 AM CST	Wind Chill Advisory	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	28 hr
Jan 28, 4:56 AM CST	Hard Freeze Watch	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	11 hr
Jan 28, 4:22 PM CST	Hard Freeze Warning	MOB	Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more	41 hr

Nearby

Hard Freeze Warnings in Alabama, 2014 Hard Freeze Warnings in Mississippi, 2014 Hard Freeze Warnings in Florida, 2014 Every hard freeze warning in 2014

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.