Alert archive / Alabama / Snow Advisories in 2008

Snow Advisory 1, NWS Birmingham, AL

March 7, 200839 counties in Alabama

NWS Birmingham, AL issued this snow advisory at Mar 7, 2008, 12:13 PM CST for 39 counties in Alabama. It took effect at Mar 7, 2008, 9:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Mar 7, 2008, 12:13 PM CST (18:13 UTC)
In effect from: Mar 7, 2008, 9:00 PM CST
Expired: Mar 8, 2008, 10:00 AM CST
In force: 13 hr
Issued by: NWS Birmingham, AL

All 39 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, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Marion County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.2 hours before the alert went out and 23 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: 905 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 518 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 snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this snow advisory went out at Mar 7, 9:42 AM CST, 2 hours 31 minutes earlier.

Area forecast discussion, Mar 7, 9:42 AM CST, 2 hours 31 minutes before

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Hazardous weather outlook, Mar 7, 7:04 AM CST, 5 hours 9 minutes before

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In the hours before

Local storm report, Mar 7, 6:46 AM CST, 5 hours 27 minutes before

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Local storm report, Mar 7, 7:36 AM CST, 4 hours 37 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 1:11 AM CST	Severe Thunderstorm Warning	BMX	Tallapoosa	19 min
Mar 7, 1:13 AM CST	Severe Thunderstorm Warning	BMX	Chambers	32 min
Mar 7, 1:26 AM CST	Severe Thunderstorm Warning	BMX	Clay, Randolph	34 min
Mar 7, 4:21 AM CST	Winter Storm Watch	BMX	Blount, Cherokee, Etowah, Fayette, Lamar, Marion and 2 more	8 hr
Mar 7, 4:36 AM CST	Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 26 more	2 hr
Mar 7, 12:13 PM CST	Heavy Snow Warning	BMX	Blount, Cherokee, Etowah, Fayette, Lamar, Marion and 2 more	15 hr

Nearby

Snow Advisories in Alabama, 2008 Every snow advisory in 2008

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.