Alert archive / Alabama / Wind Advisories in 2016

Wind Advisory 7, NWS Birmingham, AL

May 5, 201630 counties in Alabama

NWS Birmingham, AL issued this wind advisory at May 5, 2016, 6:06 AM CDT for 30 counties in Alabama. It took effect at May 5, 2016, 9:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
May 5, 2016, 6:06 AM CDT (11:06 UTC)
In effect from
May 5, 2016, 9:00 AM CDT
Expired
May 5, 2016, 7:00 PM CDT
In force
10 hr
Issued by
NWS Birmingham, AL
All 30 counties

Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Hale County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL

The radar

The Birmingham radar (KBMX), 57 km from the middle of the area, began a volume at 11:06 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, 11.1 hours before the alert went out and 58 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, Birmingham, AL at 00:00Z on 2016-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 00:00Z on 2016-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1803 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

176 
WWUS74 KBMX 051106
NPWBMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BIRMINGHAM AL
606 AM CDT THU MAY 5 2016

...BREEZY CONDITIONS ACROSS MUCH OF CENTRAL ALABAMA...

.A STRONG UPPER LEVEL DISTURBANCE WILL CONTINUE TO SLIDE THROUGH
THE TENNESSEE VALLEY TODAY AND WILL PROVIDE GUSTY WINDS AT TIMES
TO CENTRAL ALABAMA. CONFIDENCE IS HIGHEST IN THE EAST OF MEETING
CRITERIA BUT AREAS IN THE WEST WILL NEED TO BE MONITORED FOR AN
INCLUSION LATER THIS MORNING. 

ALZ017>021-023>029-032>038-040>050-060000-
/O.NEW.KBMX.WI.Y.0007.160505T1400Z-160506T0000Z/
BLOUNT-ETOWAH-CALHOUN-CHEROKEE-CLEBURNE-TUSCALOOSA-JEFFERSON-
SHELBY-ST. CLAIR-TALLADEGA-CLAY-RANDOLPH-HALE-PERRY-BIBB-CHILTON-
COOSA-TALLAPOOSA-CHAMBERS-DALLAS-AUTAUGA-LOWNDES-ELMORE-
MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR-
INCLUDING THE CITIES OF...ONEONTA...GADSDEN...ANNISTON...CENTRE...
HEFLIN...TUSCALOOSA...BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...
ALABASTER...PELL CITY...MOODY...TALLADEGA...SYLACAUGA...ASHLAND...
ROANOKE...GREENSBORO...MOUNDVILLE...MARION...CENTREVILLE...
CLANTON...ROCKFORD...ALEXANDER CITY...DADEVILLE...VALLEY...
LANETT...LAFAYETTE...SELMA...PRATTVILLE...FORT DEPOSIT...
HAYNEVILLE...WETUMPKA...TALLASSEE...MONTGOMERY...TUSKEGEE...
UNION SPRINGS...AUBURN...OPELIKA...PHENIX CITY...TROY...EUFAULA
606 AM CDT THU MAY 5 2016

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* TIMING...OF THE STRONGEST WINDS WILL BE FROM 10 AM THROUGH 7 PM.

* WINDS...WILL BE STRONG AT 15 TO 25 MPH WITH GUSTS UP TO 35 MPH
  AT TIMES.

* IMPACTS...OF THE STRONG WINDS MAY MAKE TRAVEL DIFFICULT
  ESPECIALLY WITH THE STRONGER GUSTS. SMALL LIMBS AND WEAK TREES
  MAY ALSO FALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 7:34 PM CDTSpecial Weather StatementBMXShelby, Talladega41 min
May 4, 8:09 PM CDTSpecial Weather StatementBMXClay, Coosa, Tallapoosa66 min

Nearby

Wind Advisories in Alabama, 2016Every wind 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.