Alert archive / Florida / Mesoscale Discussions in 2008

Mesoscale Discussion 365

March 7, 200811 counties in Alabama; 14 counties in Florida

The Storm Prediction Center issued this mesoscale discussion at Mar 7, 2008, 2:49 AM CST for 11 counties in Alabama; 14 counties in Florida. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Mar 7, 2008, 2:49 AM CST (08:49 UTC)
Expired: Mar 7, 2008, 4:15 AM CST
In force: 86 min
Issued by: the Storm Prediction Center

All 25 counties

Baldwin County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Houston County, AL, Monroe County, AL, Washington County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.8 hours before the alert went out and 259 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: 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.

Issued	Product	Office	Counties	Lasted
Mar 7, 5:13 AM CST	Mesoscale Discussion	SPC	Barbour, Coffee, Dale, Geneva, Henry, Houston	2 hr
Mar 7, 3:51 PM CST	Mesoscale Discussion	SPC	Barbour, Bullock, Coffee, Dale, Geneva, Henry and 3 more	84 min
Mar 7, 5:45 AM CST	Tornado Watch	SPC	Alachua, Baker, Bradford, Citrus, Clay, Columbia and 21 more	5 hr
Mar 7, 10:29 AM CST	Mesoscale Discussion	SPC	Citrus, Flagler, Hernando, Hillsborough, Lake, Marion and 10 more	2 hr
Mar 7, 10:59 AM CST	Tornado Watch	SPC	Brevard, Citrus, Flagler, Hernando, Hillsborough, Lake and 12 more	7 hr
Mar 7, 2:10 PM CST	Mesoscale Discussion	SPC	Citrus, Hernando, Hillsborough, Lake, Orange, Pasco and 4 more	95 min
Mar 7, 4:50 PM CST	Mesoscale Discussion	SPC	Brevard, Charlotte, DeSoto, Flagler, Glades, Hardee and 19 more	55 min
Mar 7, 5:35 PM CST	Tornado Watch	SPC	Brevard, Charlotte, Collier, DeSoto, Glades, Hardee and 19 more	7 hr

Nearby

Mesoscale Discussions in Florida, 2008 Mesoscale Discussions in Alabama, 2008 Every 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.