Alert archive / Alabama / Heavy Snow Warnings in 2008

Heavy Snow Warning 2, NWS Birmingham, AL

March 7, 20088 counties in Alabama

NWS Birmingham, AL issued this heavy snow warning at Mar 7, 2008, 12:13 PM CST for 8 counties in Alabama. It took effect at Mar 7, 2008, 6:00 PM 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: Mar 7, 2008, 12:13 PM CST (18:13 UTC)
In effect from: Mar 7, 2008, 6:00 PM CST
Expired: Mar 8, 2008, 3:00 AM CST
In force: 9 hr
Issued by: NWS Birmingham, AL

Counties Blount County, AL, Cherokee County, AL, Etowah County, AL, Fayette County, AL, Lamar County, AL, Marion 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 92 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 heavy snow warning 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 heavy snow warning 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	Snow Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	22 hr

Nearby

Heavy Snow Warnings in Alabama, 2008 Every heavy snow warning 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.