Alert archive / Alabama / Wind Advisories in 2011
Wind Advisory 12, NWS Mobile, AL
NWS Mobile, AL issued this wind advisory at Dec 7, 2011, 3:34 AM CST for 10 counties in Alabama; 5 counties in Mississippi. It took effect at Dec 7, 2011, 9:00 AM CST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 7, 2011, 3:34 AM CST (09:34 UTC)
- In effect from
- Dec 7, 2011, 9:00 AM CST
- Expired
- Dec 7, 2011, 5:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Mobile, AL
Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington 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), 96 km from the middle of the area, began a volume at 09:38 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, 9.6 hours before the alert went out and 215 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
- 486 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
747 WWUS74 KMOB 070934 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 334 AM CST WED DEC 7 2011 ...WINDY CONDITIONS DEVELOPING ACROSS THE AREA TODAY... .A STRONG UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE SOUTHEAST STATES TODAY BRINGING A SURGE OF MUCH COLDER AIR INTO THE REGION. THIS SYSTEM WILL HELP TO ESTABLISH A TIGHT PRESSURE GRADIENT BETWEEN LOW PRESSURE OVER THE SOUTHERN APPALACHIAN MOUNTAINS AND STRONG HIGH PRESSURE OVER TEXAS. WINDY CONDITIONS WILL DEVELOP BY MID MORNING AND PERSIST THROUGH THE AFTERNOON. ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-071800- /O.NEW.KMOB.WI.Y.0012.111207T1500Z-111207T2300Z/ 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- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN... PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE... LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...MOBILE...PRICHARD...SARALAND...BAY MINETTE... TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY... SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS...BRENT... WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY...PACE... MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE...EGLIN AFB... WAYNESBORO...RICHTON...BEAUMONT...NEW AUGUSTA...LEAKESVILLE... MCLAIN...WIGGINS...LUCEDALE 334 AM CST WED DEC 7 2011 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CST THIS AFTERNOON. * EVENT...SUSTAINED NORTHWEST WINDS 15 TO 25 MPH WITH FREQUENT GUSTS OF 25 TO 35 MPH. * TIMING...MID MORNING THROUGH THE AFTERNOON. * IMPACT...WINDS OF THIS STRENGTH WILL BLOW AROUND LIGHTWEIGHT UNSECURED OUTDOOR OBJECTS...INCLUDING HOLIDAY DECORATIONS. WINDS THIS STRONG CAN ALSO MAKE DRIVING DIFFICULT FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 25 TO 39 MPH ARE EXPECTED. SECURE ANY LIGHTWEIGHT OUTDOOR OBJECTS INCLUDING HOLIDAY DECORATIONS. IN ADDITION...HIGH PROFILE VEHICLES ARE ENCOURAGED TO USE EXTRA CAUTION. && $$
1 follow-up statement
593 WWUS74 KMOB 071805 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 1205 PM CST WED DEC 7 2011 ...WINDY CONDITIONS TO CONTINUE THROUGH THE AFTERNOON... .A STRONG UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE SOUTHEAST STATES THIS AFTERNOON BRINGING A SURGE OF MUCH COLDER AIR INTO THE REGION. AS A NOSE OF STRONG SURFACE HIGH PRESSURE MOVES IN OVER THE LOWER MISSISSIPPI RIVER VALLEY...WINDY CONDITIONS PERSIST THROUGH THE AFTERNOON. ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-072300- /O.CON.KMOB.WI.Y.0012.000000T0000Z-111207T2300Z/ 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- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN... PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE... LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...MOBILE...PRICHARD...SARALAND...BAY MINETTE... TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY... SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS...BRENT... WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY...PACE... MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE...EGLIN AFB... WAYNESBORO...RICHTON...BEAUMONT...NEW AUGUSTA...LEAKESVILLE... MCLAIN...WIGGINS...LUCEDALE 1205 PM CST WED DEC 7 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... * EVENT...SUSTAINED NORTHWEST WINDS 15 TO 25 MPH WITH FREQUENT GUSTS OF 25 TO 35 MPH. * TIMING...THROUGH REMAINDER OF AFTERNOON. * IMPACT...WINDS OF THIS STRENGTH WILL BLOW AROUND LIGHTWEIGHT UNSECURED OUTDOOR OBJECTS...INCLUDING HOLIDAY DECORATIONS. WINDS THIS STRONG CAN ALSO MAKE DRIVING DIFFICULT FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 25 TO 39 MPH ARE EXPECTED. SECURE ANY LIGHTWEIGHT OUTDOOR OBJECTS INCLUDING HOLIDAY DECORATIONS. IN ADDITION...HIGH PROFILE VEHICLES ARE ENCOURAGED TO USE EXTRA CAUTION. && $$
Nearby
Wind Advisories in Alabama, 2011Wind Advisories in Mississippi, 2011Wind Advisories in Florida, 2011Every wind advisory in 2011
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.