Alert archive / Georgia / Mesoscale Discussions in 2014
Mesoscale Discussion 144
The Storm Prediction Center issued this mesoscale discussion at Feb 21, 2014, 12:43 PM EST for 11 counties in Florida; 67 counties in Georgia; 26 counties in South Carolina. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 2014, 12:43 PM EST (17:43 UTC)
- Expired
- Feb 21, 2014, 1:45 PM EST
- In force
- 62 min
- Issued by
- the Storm Prediction Center
All 104 counties
Baker County, FL, Columbia County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bleckley County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Echols County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Grady County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Lanier County, GA, Laurens County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Lowndes County, GA, McDuffie County, GA, Mitchell County, GA, Montgomery County, GA, Pierce County, GA, Pulaski County, GA, Richmond County, GA, Screven County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Chester County, SC, Chesterfield County, SC, Edgefield County, SC, Fairfield County, SC, Greenwood County, SC, Hampton County, SC, Jasper County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC, Union County, SC
The radar
The Moody AFB radar (KVAX), 102 km from the middle of the area, began a volume at 17:47 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
Jacksonville, FL (KJAX), launched 12:00Z, 5.7 hours before the alert went out and 184 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
- 968 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 609 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.3
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 |
|---|---|---|---|---|
| Feb 21, 12:43 AM EST | Mesoscale Discussion | SPC | Escambia, Okaloosa, Santa Rosa | 62 min |
| Feb 21, 1:58 AM EST | Severe Thunderstorm Watch | SPC | Bay, Calhoun, Escambia, Franklin, Gulf, Holmes and 6 more | 7 hr |
| Feb 21, 4:33 AM EST | Mesoscale Discussion | SPC | Holmes, Jackson, Okaloosa, Santa Rosa, Walton | 87 min |
| Feb 21, 6:39 AM EST | Severe Thunderstorm Watch | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 17 more | 9 hr |
| Feb 21, 8:17 AM EST | Mesoscale Discussion | SPC | Baker, Columbia, Hamilton, Jefferson, Madison, Suwannee | 118 min |
| Feb 21, 10:13 AM EST | Mesoscale Discussion | SPC | Alachua, Baker, Bradford, Clay, Columbia, Dixie and 17 more | 92 min |
| Feb 20, 10:29 PM EST | Mesoscale Discussion | SPC | Bartow, Catoosa, Chattooga, Dade, Dawson, Fannin and 10 more | 61 min |
| Feb 20, 10:47 PM EST | Tornado Watch | SPC | Bartow, Catoosa, Chattooga, Cherokee, Dade, Dawson and 16 more | 6 hr |
| Feb 21, 3:11 AM EST | Mesoscale Discussion | SPC | Anderson, Cherokee, Greenville, Pickens, Spartanburg | 94 min |
| Feb 21, 8:57 AM EST | Mesoscale Discussion | SPC | Dillon, Horry, Marion, Marlboro | 63 min |
| Feb 21, 10:02 AM EST | Tornado Watch | SPC | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 6 hr |
| Feb 21, 11:05 AM EST | Mesoscale Discussion | SPC | Dillon, Marion | 55 min |
Nearby
Mesoscale Discussions in Georgia, 2014Mesoscale Discussions in South Carolina, 2014Mesoscale Discussions in Florida, 2014Every mesoscale discussion in 2014
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.