Alert archive / Florida / Mesoscale Discussions in 2007
Mesoscale Discussion 104
The Storm Prediction Center issued this mesoscale discussion at Feb 1, 2007, 6:52 PM EST for 33 counties in Florida; 21 counties in Georgia. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Feb 1, 2007, 6:52 PM EST (23:52 UTC)
- Expired
- Feb 1, 2007, 8:15 PM EST
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 54 counties
Alachua County, FL, Baker County, FL, Bay County, FL, Bradford County, FL, Calhoun County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Franklin County, FL, Gadsden County, FL, Gilchrist County, FL, Gulf County, FL, Hamilton County, FL, Hernando County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Levy County, FL, Liberty County, FL, Madison County, FL, Marion County, FL, Nassau County, FL, Pasco County, FL, Putnam County, FL, Saint Johns County, FL, Sumter County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Atkinson County, GA, Bacon County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Cook County, GA, Echols County, GA, Glynn County, GA, Irwin County, GA, Lanier County, GA, Lowndes County, GA, Pierce County, GA, Thomas County, GA, Tift County, GA, Ware County, GA, Wayne County, GA
The radar
The Tallahassee radar (KTLH), 82 km from the middle of the area, began a volume at 23:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.9 hours before the alert went out and 79 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 616 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 499 m²/s²
- 0-3 km storm-relative helicity
- 607 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 8:56 AM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Escambia, Gulf, Holmes, Jackson and 4 more | 2 hr |
| Feb 1, 1:18 PM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 8 more | 57 min |
| Feb 1, 1:52 PM EST | Tornado Watch | SPC | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 8 hr |
| Feb 1, 3:44 PM EST | Mesoscale Discussion | SPC | Alachua, Baker, Bay, Bradford, Calhoun, Columbia and 19 more | 91 min |
| Feb 1, 4:17 PM EST | Tornado Watch | SPC | Alachua, Baker, Bradford, Clay, Columbia, Duval and 10 more | 9 hr |
| Feb 1, 12:43 AM EST | Mesoscale Discussion | SPC | Banks, Barrow, Bartow, Catoosa, Chattooga, Cherokee and 33 more | 6 hr |
| Feb 1, 7:02 AM EST | Mesoscale Discussion | SPC | Banks, Dawson, Elbert, Fannin, Franklin, Gilmer and 11 more | 6 hr |
Nearby
Mesoscale Discussions in Florida, 2007Mesoscale Discussions in Georgia, 2007Every mesoscale discussion in 2007
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; radar from the NEXRAD Level II archive.