Alert archive / Florida / Mesoscale Discussions in 2005

Mesoscale Discussion 298

March 16, 20054 counties in Florida

The Storm Prediction Center issued this mesoscale discussion at Mar 16, 2005, 12:48 AM CST for 4 counties in Florida. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Mar 16, 2005, 12:48 AM CST (06:48 UTC)
Expired: Mar 16, 2005, 3:15 AM CST
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Bay County, FL, Calhoun County, FL, Gulf County, FL, Liberty County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 6.8 hours before the alert went out and 86 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: 532 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 212 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 16, 4:22 AM CST	Mesoscale Discussion	SPC	Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more	113 min
Mar 16, 11:19 AM CST	Mesoscale Discussion	SPC	Alachua, Bradford, Citrus, Clay, Dixie, Flagler and 12 more	116 min
Mar 16, 1:10 PM CST	Tornado Watch	SPC	Alachua, Brevard, Citrus, Flagler, Gilchrist, Hardee and 19 more	6 hr
Mar 16, 3:22 PM CST	Mesoscale Discussion	SPC	Brevard, Flagler, Hillsborough, Indian River, Lake, Marion and 11 more	83 min

Nearby

Mesoscale Discussions in Florida, 2005 Every 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.