Alert archive / Florida / Mesoscale Discussions in 2006

Mesoscale Discussion 24

January 2, 200612 counties in Florida

The Storm Prediction Center issued this mesoscale discussion at Jan 2, 2006, 4:49 PM EST for 12 counties in Florida. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued
Jan 2, 2006, 4:49 PM EST (21:49 UTC)
Expired
Jan 2, 2006, 6:15 PM EST
In force
86 min
Issued by
the Storm Prediction Center

Counties Alachua County, FL, Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Gilchrist County, FL, Lafayette County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 9.8 hours before the alert went out and 139 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, Jacksonville, FL at 12:00Z on 2006-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 118 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jacksonville, FL at 12:00Z on 2006-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 square meters per square second.19395878Sfc1 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
118 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
228 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.

IssuedProductOfficeCountiesLasted
Jan 1, 9:26 PM ESTMesoscale DiscussionSPCEscambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton and 1 more2 hr
Jan 2, 7:45 AM ESTMesoscale DiscussionSPCBay, Calhoun, Columbia, Franklin, Gadsden, Gulf and 14 more30 min
Jan 2, 8:10 AM ESTTornado WatchSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 12 more5 hr
Jan 2, 11:43 AM ESTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Duval and 7 more92 min
Jan 2, 1:23 PM ESTTornado WatchSPCBaker, Columbia, Dixie, Duval, Franklin, Gilchrist and 12 more7 hr

Nearby

Mesoscale Discussions in Florida, 2006Every 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.