Alert archive / Georgia / Mesoscale Discussions in 2013
Mesoscale Discussion 246
The Storm Prediction Center issued this mesoscale discussion at Mar 5, 2013, 6:20 PM EST for 48 counties in Georgia; 9 counties in South Carolina. It was in force for 55 min.
The area
The outline as issued.
The facts
- Issued
- Mar 5, 2013, 6:20 PM EST (23:20 UTC)
- Expired
- Mar 5, 2013, 7:15 PM EST
- In force
- 55 min
- Issued by
- the Storm Prediction Center
All 57 counties
Baldwin County, GA, Ben Hill County, GA, Bibb County, GA, Bleckley County, GA, Calhoun County, GA, Columbia County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Elbert County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Hart County, GA, Houston County, GA, Irwin County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, Lee County, GA, Lincoln County, GA, Macon County, GA, McDuffie County, GA, Oglethorpe County, GA, Peach County, GA, Pulaski County, GA, Putnam County, GA, Randolph County, GA, Richmond County, GA, Schley County, GA, Sumter County, GA, Taliaferro County, GA, Telfair County, GA, Terrell County, GA, Tift County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA, Abbeville County, SC, Anderson County, SC, Edgefield County, SC, Greenville County, SC, Greenwood County, SC, Laurens County, SC, McCormick County, SC, Pickens County, SC, Spartanburg County, SC
The radar
The Robins AFB radar (KJGX), 74 km from the middle of the area, began a volume at 23:21 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.3 hours before the alert went out and 121 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
- 710 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 364 m²/s²
- 0-3 km storm-relative helicity
- 349 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 5, 2:11 PM EST | Mesoscale Discussion | SPC | Bartow, Carroll, Catoosa, Chattahoochee, Chattooga, Cherokee and 36 more | 2 hr |
| Mar 5, 2:31 PM EST | Severe Thunderstorm Watch | SPC | Banks, Barrow, Bartow, Bibb, Butts, Carroll and 62 more | 4 hr |
| Mar 5, 4:47 PM EST | Mesoscale Discussion | SPC | Banks, Barrow, Bibb, Butts, Clarke, Clayton and 37 more | 88 min |
Nearby
Mesoscale Discussions in Georgia, 2013Mesoscale Discussions in South Carolina, 2013Every mesoscale discussion in 2013
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.