Alert archive / Alabama / Mesoscale Discussions in 2005

Mesoscale Discussion 802

May 10, 200527 counties in Alabama; 4 counties in Georgia; Lowndes County, Noxubee County, Mississippi

The Storm Prediction Center issued this mesoscale discussion at May 10, 2005, 1:35 PM CDT for 27 counties in Alabama; 4 counties in Georgia; Lowndes County, Noxubee County, Mississippi. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
May 10, 2005, 1:35 PM CDT (18:35 UTC)
Expired
May 10, 2005, 3:30 PM CDT
In force
115 min
Issued by
the Storm Prediction Center
All 33 counties

Bibb County, AL, Blount County, AL, Calhoun County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Marion County, AL, Marshall County, AL, Pickens County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Carroll County, GA, Haralson County, GA, Heard County, GA, Polk County, GA, Lowndes County, MS, Noxubee County, MS

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.6 hours before the alert went out and 233 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, Peachtre/Fal Fld, GA at 12:00Z on 2005-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 120 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2005-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939Sfc1 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
120 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1150 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 10, 11:33 AM CDTMesoscale DiscussionSPCBarbour, Bullock, Butler, Coffee, Conecuh, Covington and 7 more117 min
May 10, 6:05 PM CDTMesoscale DiscussionSPCDeKalb, Jackson55 min

Nearby

Mesoscale Discussions in Alabama, 2005Mesoscale Discussions in Georgia, 2005Mesoscale Discussions in Mississippi, 2005Every mesoscale discussion in 2005

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.