Alert archive / Florida / Mesoscale Discussions in 2005

Mesoscale Discussion 1086

May 31, 20056 counties in Florida

The Storm Prediction Center issued this mesoscale discussion at May 31, 2005, 4:26 AM EDT for 6 counties in Florida. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: May 31, 2005, 4:26 AM EDT (08:26 UTC)
Expired: May 31, 2005, 7:00 AM EDT
In force: 3 hr
Issued by: the Storm Prediction Center

Counties Charlotte County, FL, Citrus County, FL, Hernando County, FL, Lee County, FL, Pinellas County, FL, Sarasota County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 8.4 hours before the alert went out and 33 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: 456 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1635 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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
May 31, 6:58 PM EDT	Mesoscale Discussion	SPC	Alachua, Baker, Bradford, Clay, Columbia, Dixie and 7 more	2 hr

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.