Alert archive / Florida / Mesoscale Discussions in 2005
Mesoscale Discussion 416
The Storm Prediction Center issued this mesoscale discussion at Mar 27, 2005, 9:08 AM CST for Covington County, Geneva County, Houston County, Alabama; 26 counties in Florida; 20 counties in Georgia. It was in force for 37 min.
The area
The outline as issued.
The facts
- Issued
- Mar 27, 2005, 9:08 AM CST (15:08 UTC)
- Expired
- Mar 27, 2005, 9:45 AM CST
- In force
- 37 min
- Issued by
- the Storm Prediction Center
All 49 counties
Covington County, AL, Geneva County, AL, Houston County, AL, Baker County, FL, Bay County, FL, Bradford County, FL, Calhoun County, FL, Clay County, FL, Columbia County, FL, Duval County, FL, Escambia County, FL, Gadsden County, FL, Hamilton County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Nassau County, FL, Okaloosa County, FL, Santa Rosa County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Atkinson County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Echols County, GA, Glynn County, GA, Grady County, GA, Lanier County, GA, Lowndes County, GA, Miller County, GA, Pierce County, GA, Seminole County, GA, Thomas County, GA, Ware County, GA
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.1 hours before the alert went out and 49 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
- 253 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 408 m²/s²
- 0-3 km storm-relative helicity
- 497 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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 26, 6:05 PM CST | Severe Thunderstorm Watch | SPC | Bibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 23 more | 3 hr |
| Mar 26, 8:45 PM CST | Tornado Watch | SPC | Autauga, Baldwin, Bibb, Blount, Bullock, Butler and 44 more | 7 hr |
| Mar 26, 9:00 PM CST | Tornado Watch | SPC | Barbour, Dale, Geneva, Henry, Houston, Lee and 1 more | 7 hr |
| Mar 26, 10:43 PM CST | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Bullock, Butler, Chilton and 24 more | 62 min |
| Mar 27, 1:14 AM CST | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bibb, Blount, Bullock and 50 more | 91 min |
| Mar 27, 2:27 AM CST | Mesoscale Discussion | SPC | Baldwin, Barbour, Bullock, Butler, Coffee, Conecuh and 13 more | 63 min |
| Mar 27, 3:27 AM CST | Mesoscale Discussion | SPC | Choctaw, Clarke, Greene, Hale, Lamar, Marengo and 5 more | 33 min |
| Mar 27, 3:45 AM CST | Tornado Watch | SPC | Barbour, Bullock, Coffee, Covington, Crenshaw, Dale and 6 more | 6 hr |
| Mar 27, 6:53 AM CST | Mesoscale Discussion | SPC | Barbour, Coffee, Covington, Dale, Geneva, Henry and 1 more | 2 hr |
| Mar 27, 9:35 AM CST | Tornado Watch | SPC | Barbour, Bullock, Coffee, Covington, Crenshaw, Dale and 5 more | 7 hr |
| Mar 27, 11:06 AM CST | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Butler, Calhoun, Cherokee and 33 more | 54 min |
| Mar 27, 11:40 AM CST | Tornado Watch | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 25 more | 5 hr |
| Mar 27, 2:24 PM CST | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Blount, Bullock, Chilton and 23 more | 2 hr |
| Mar 27, 4:55 PM CST | Tornado Watch | SPC | Barbour, Blount, Bullock, Calhoun, Chambers, Cherokee and 22 more | 7 hr |
| Mar 26, 11:05 PM CST | Tornado Watch | SPC | Baker, Columbia, Duval, Nassau, Union | 5 hr |
| Mar 27, 12:13 PM CST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 35 more | 2 hr |
| Mar 27, 2:55 PM CST | Mesoscale Discussion | SPC | Atkinson, Baker, Ben Hill, Berrien, Calhoun, Coffee and 22 more | 2 hr |
Nearby
Mesoscale Discussions in Florida, 2005Mesoscale Discussions in Georgia, 2005Mesoscale Discussions in Alabama, 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.