Alert archive / Florida / Mesoscale Discussions in 2006

Mesoscale Discussion 2136

October 17, 200613 counties in Florida; 9 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Oct 17, 2006, 5:15 PM CDT for 13 counties in Florida; 9 counties in Georgia. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued: Oct 17, 2006, 5:15 PM CDT (22:15 UTC)
Expired: Oct 17, 2006, 6:15 PM CDT
In force: 60 min
Issued by: the Storm Prediction Center

All 22 counties

Bay County, FL, Calhoun County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Suwannee County, FL, Taylor County, FL, Wakulla County, FL, Brooks County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Grady County, GA, Lowndes County, GA, Mitchell County, GA, Seminole County, GA, Thomas County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.3 hours before the alert went out and 2 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: 592 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 501 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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
Oct 16, 7:22 PM CDT	Mesoscale Discussion	SPC	Escambia, Okaloosa, Santa Rosa	53 min
Oct 16, 11:29 PM CDT	Mesoscale Discussion	SPC	Escambia, Okaloosa, Santa Rosa	61 min
Oct 17, 1:01 AM CDT	Mesoscale Discussion	SPC	Escambia, Okaloosa, Santa Rosa, Walton	89 min
Oct 17, 1:38 AM CDT	Tornado Watch	SPC	Escambia, Okaloosa, Santa Rosa	7 hr
Oct 17, 5:23 AM CDT	Mesoscale Discussion	SPC	Escambia, Okaloosa, Santa Rosa	97 min
Oct 17, 7:26 AM CDT	Mesoscale Discussion	SPC	Escambia, Okaloosa, Santa Rosa, Walton	94 min

Nearby

Mesoscale Discussions in Florida, 2006 Mesoscale Discussions in Georgia, 2006 Every mesoscale discussion in 2006

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.