Alert archive / Georgia / Mesoscale Discussions in 2014
Mesoscale Discussion 1498
The Storm Prediction Center issued this mesoscale discussion at Jul 28, 2014, 1:27 PM CDT for 4 states. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Jul 28, 2014, 1:27 PM CDT (18:27 UTC)
- Expired
- Jul 28, 2014, 3:00 PM CDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 92 counties
Autauga County, AL, Barbour County, AL, Bullock County, AL, Butler County, AL, Coffee County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Elmore County, AL, Henry County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Russell County, AL, Wilcox County, AL, Baldwin County, GA, Ben Hill County, GA, Bibb County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Chattahoochee County, GA, Clay County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Harris County, GA, Houston County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Montgomery County, GA, Muscogee County, GA, Peach County, GA, Pulaski County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Screven County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Brunswick County, NC, Columbus County, NC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Orangeburg County, SC, Williamsburg County, SC
The radar
The Robins AFB radar (KJGX), 101 km from the middle of the area, began a volume at 18:28 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.5 hours before the alert went out and 212 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
- 1707 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.2
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 |
|---|---|---|---|---|
| Jul 28, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | Coffee, Dale, Geneva, Henry, Houston | 6 hr |
| Jul 27, 11:32 PM CDT | Mesoscale Discussion | SPC | Banks, Dawson, Elbert, Fannin, Forsyth, Franklin and 12 more | 88 min |
| Jul 28, 6:36 PM CDT | Mesoscale Discussion | SPC | Bulloch, Candler, Dodge, Dooly, Effingham, Evans and 9 more | 84 min |
| Jul 27, 7:00 PM CDT | Tornado Watch | SPC | Cherokee, Clay | 5 hr |
| Jul 27, 10:28 PM CDT | Mesoscale Discussion | SPC | Alamance, Caswell, Durham, Forsyth, Franklin, Granville and 7 more | 2 hr |
Nearby
Mesoscale Discussions in Georgia, 2014Mesoscale Discussions in Alabama, 2014Mesoscale Discussions in South Carolina, 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.