Alert archive / Florida / Mesoscale Discussions in 2008

Mesoscale Discussion 366

March 7, 20086 counties in Alabama; 41 counties in Florida; 39 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 7, 2008, 5:13 AM CST for 6 counties in Alabama; 41 counties in Florida; 39 counties in Georgia. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Mar 7, 2008, 5:13 AM CST (11:13 UTC)
Expired
Mar 7, 2008, 7:15 AM CST
In force
2 hr
Issued by
the Storm Prediction Center
All 86 counties

Barbour County, AL, Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Alachua County, FL, Baker County, FL, Bay County, FL, Bradford County, FL, Calhoun County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Franklin County, FL, Gadsden County, FL, Gilchrist County, FL, Gulf County, FL, Hamilton County, FL, Hernando County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Lake County, FL, Leon County, FL, Levy County, FL, Liberty County, FL, Madison County, FL, Marion County, FL, Nassau County, FL, Orange County, FL, Pasco County, FL, Putnam County, FL, Saint Johns County, FL, Seminole County, FL, Sumter County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Volusia County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Calhoun County, GA, Camden County, GA, Charlton County, GA, Clay County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Pierce County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Worth County, GA

The radar

The Tallahassee radar (KTLH), 78 km from the middle of the area, began a volume at 11:16 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.2 hours before the alert went out and 76 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, Tallahassee Rgnl, FL at 00:00Z on 2008-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tallahassee Rgnl, FL at 00:00Z on 2008-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2126 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
210 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
Mar 7, 2:49 AM CSTMesoscale DiscussionSPCBaldwin, Clarke, Coffee, Conecuh, Covington, Dale and 5 more86 min
Mar 7, 3:51 PM CSTMesoscale DiscussionSPCBarbour, Bullock, Coffee, Dale, Geneva, Henry and 3 more84 min
Mar 7, 5:45 AM CSTTornado WatchSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 21 more5 hr
Mar 7, 10:29 AM CSTMesoscale DiscussionSPCCitrus, Flagler, Hernando, Hillsborough, Lake, Marion and 10 more2 hr
Mar 7, 10:59 AM CSTTornado WatchSPCBrevard, Citrus, Flagler, Hernando, Hillsborough, Lake and 12 more7 hr
Mar 7, 2:10 PM CSTMesoscale DiscussionSPCCitrus, Hernando, Hillsborough, Lake, Orange, Pasco and 4 more95 min
Mar 7, 4:50 PM CSTMesoscale DiscussionSPCBrevard, Charlotte, DeSoto, Flagler, Glades, Hardee and 19 more55 min
Mar 7, 5:35 PM CSTTornado WatchSPCBrevard, Charlotte, Collier, DeSoto, Glades, Hardee and 19 more7 hr

Nearby

Mesoscale Discussions in Florida, 2008Mesoscale Discussions in Georgia, 2008Mesoscale Discussions in Alabama, 2008Every mesoscale discussion 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; radar from the NEXRAD Level II archive.