Alert archive / Florida / Mesoscale Discussions in 2005
Mesoscale Discussion 272
The Storm Prediction Center issued this mesoscale discussion at Mar 7, 2005, 11:02 PM EST for 15 counties in Florida; 7 counties in Georgia. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- Mar 7, 2005, 11:02 PM EST (04:02 UTC)
- Expired
- Mar 8, 2005, 12:30 AM EST
- In force
- 88 min
- Issued by
- the Storm Prediction Center
All 22 counties
Columbia County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gilchrist County, FL, Gulf County, FL, Hamilton 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, Clinch County, GA, Echols County, GA, Grady County, GA, Lanier County, GA, Lowndes County, GA, Thomas County, GA
The radar
The Tallahassee radar (KTLH), 42 km from the middle of the area, began a volume at 04:02 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 00:00Z, 4.0 hours before the alert went out and 40 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
- 170 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
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 |
|---|---|---|---|---|
| Mar 7, 7:03 PM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Gadsden, Gulf, Hamilton, Jackson and 9 more | 117 min |
| Mar 7, 8:11 PM EST | Mesoscale Discussion | SPC | Escambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton and 1 more | 2 hr |
| Mar 7, 9:15 PM EST | Tornado Watch | SPC | Bay, Calhoun, Columbia, Dixie, Franklin, Gadsden and 12 more | 7 hr |
| Mar 8, 2:28 AM EST | Mesoscale Discussion | SPC | Alachua, Brevard, Citrus, Clay, Flagler, Hardee and 16 more | 2 hr |
| Mar 7, 8:50 PM EST | Severe Thunderstorm Watch | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 78 more | 7 hr |
| Mar 7, 11:21 PM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 54 more | 84 min |
| Mar 8, 2:58 AM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 40 more | 62 min |
Nearby
Mesoscale Discussions in Florida, 2005Mesoscale Discussions in Georgia, 2005Every 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; radar from the NEXRAD Level II archive.