Alert archive / Alabama / Frost Advisories in 2016
Frost Advisory 1, NWS Mobile, AL
NWS Mobile, AL issued this frost advisory at Mar 21, 2016, 2:56 AM CDT for 5 counties in Mississippi; Escambia County, Okaloosa County, Santa Rosa County, Florida; 12 counties in Alabama. It took effect at Mar 22, 2016, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 21, 2016, 2:56 AM CDT (07:56 UTC)
- In effect from
- Mar 22, 2016, 1:00 AM CDT
- Expired
- Mar 22, 2016, 8:00 AM CDT
- In force
- 7 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 08:01 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, 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2262 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
045 WWUS74 KMOB 210756 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 256 AM CDT MON MAR 21 2016 ...FROST ADVISORY IN EFFECT FOR ALL AREAS EXCEPT ALONG THE IMMEDIATE COAST... .NEARING FREEZING TEMPS...INCREASING HUMIDITY LEVELS OVERNIGHT AND EARLY TUESDAY MORNING COMBINED WITH LIGHT WINDS AT THE SURFACE WILL LIKELY LEAD TO AREAS OF FROST ACROSS MOST INLAND AREAS OF SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI AND THE WESTERN FLORIDA PANHANDLE. ALZ051>060-261>264-FLZ201-203-205-MSZ067-075-076-078-079-212000- /O.NEW.KMOB.FR.Y.0001.160322T0600Z-160322T1300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL- BALDWIN CENTRAL-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...SARALAND...MOBILE...PRICHARD...THEODORE...BAY MINETTE... DAPHNE...FAIRHOPE...FOLEY...SPANISH FORT...CENTURY...MOLINO... JAY...MILTON...CRESTVIEW...WAYNESBORO...BEAUMONT...NEW AUGUSTA... RICHTON...LEAKESVILLE...MCLAIN...WIGGINS...LUCEDALE 256 AM CDT MON MAR 21 2016 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT TUESDAY. * TEMPERATURE...LOWERING TO 32 TO 36 DEGREES. * IMPACTS...DAMAGE TO EARLY SPRING VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
2 follow-up statements
053 WWUS74 KMOB 212001 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 301 PM CDT MON MAR 21 2016 ...AREAS OF FROST WILL LIKELY IMPACT MUCH OF THE REGION AWAY FROM THE IMMEDIATE COAST LATE TONIGHT INTO EARLY TUESDAY MORNING... .THE COMBINATION OF TEMPERATURES IN THE LOWER TO MID 30S...INCREASING RELATIVE HUMIDITY LEVELS AND LIGHT WINDS WILL FAVOR THE DEVELOPMENT OF AREAS OF FROST ACROSS MOST INLAND AREAS OF SOUTHWEST ALABAMA... SOUTHEAST MISSISSIPPI AND THE WESTERN FLORIDA PANHANDLE LATE TONIGHT THROUGH EARLY TUESDAY MORNING. ALZ051>060-261>264-FLZ201-203-205-MSZ067-075-076-078-079-220400- /O.CON.KMOB.FR.Y.0001.160322T0600Z-160322T1300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL- BALDWIN CENTRAL-ESCAMBIA INLAND-SANTA ROSA INLAND-OKALOOSA INLAND- WAYNE-PERRY-GREENE-STONE-GEORGE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...GROVE HILL...JACKSON...THOMASVILLE...CAMDEN... PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE... BRANTLEY...LUVERNE...ATMORE...BREWTON...FLOMATON...ANDALUSIA... OPP...SARALAND...MOBILE...PRICHARD...THEODORE...BAY MINETTE... DAPHNE...FAIRHOPE...FOLEY...SPANISH FORT...CENTURY...MOLINO... JAY...MILTON...CRESTVIEW...WAYNESBORO...BEAUMONT...NEW AUGUSTA... RICHTON...LEAKESVILLE...MCLAIN...WIGGINS...LUCEDALE 301 PM CDT MON MAR 21 2016 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT TUESDAY... * TEMPERATURE...LOWERING TO 33 TO 36 DEGREES ACROSS MUCH OF THE REGION FOR A FEW HOURS LATE TONIGHT THROUGH EARLY TUESDAY MORNING. ISOLATED LOWER LYING AND NORMALLY COLDER LOCATIONS COULD BRIEFLY REACH 32 DEGREES. * IMPACTS...AREAS OF FROST COULD DAMAGE OR KILL SENSITIVE OUTDOOR VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
491 WWUS74 KMOB 220231 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 931 PM CDT MON MAR 21 2016 ...AREAS OF FROST WILL LIKELY IMPACT MUCH OF THE REGION AWAY FROM THE IMMEDIATE COAST LATE TONIGHT INTO EARLY TUESDAY MORNING... .THE COMBINATION OF TEMPERATURES IN THE LOWER TO MID 30S... INCREASING RELATIVE HUMIDITY LEVELS AND LIGHT WINDS WILL FAVOR THE DEVELOPMENT OF AREAS OF FROST ACROSS MOST INLAND AREAS OF SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI AND THE WESTERN FLORIDA PANHANDLE LATE TONIGHT THROUGH EARLY TUESDAY MORNING. ALZ051>060-261>264-FLZ201-203-205-MSZ067-075-076-078-079-221115- /O.CON.KMOB.FR.Y.0001.160322T0600Z-160322T1300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL- BALDWIN CENTRAL-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...SARALAND...MOBILE...PRICHARD...THEODORE...BAY MINETTE... DAPHNE...FAIRHOPE...FOLEY...SPANISH FORT...CENTURY...MOLINO... JAY...MILTON...CRESTVIEW...WAYNESBORO...BEAUMONT...NEW AUGUSTA... RICHTON...LEAKESVILLE...MCLAIN...WIGGINS...LUCEDALE 931 PM CDT MON MAR 21 2016 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT TUESDAY... * TEMPERATURE...LOWERING TO 33 TO 36 DEGREES ACROSS MUCH OF THE REGION FOR A FEW HOURS LATE TONIGHT THROUGH EARLY TUESDAY MORNING. ISOLATED LOWER LYING AND NORMALLY COLDER LOCATIONS WELL INLAND COULD BRIEFLY REACH 32 DEGREES. * IMPACTS...AREAS OF FROST COULD DAMAGE OR KILL SENSITIVE OUTDOOR VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT WIDESPREAD FROST IS EXPECTED. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
Nearby
Frost Advisories in Alabama, 2016Frost Advisories in Mississippi, 2016Frost Advisories in Florida, 2016Every frost advisory 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.