Alert archive / Georgia / Mesoscale Discussions in 2015
Mesoscale Discussion 1289
The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2015, 1:35 PM EDT for 35 counties in Georgia; 8 counties in South Carolina. It was in force for 55 min.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2015, 1:35 PM EDT (17:35 UTC)
- Expired
- Jul 3, 2015, 2:30 PM EDT
- In force
- 55 min
- Issued by
- the Storm Prediction Center
All 43 counties
Baldwin County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Candler County, GA, Chatham County, GA, Dodge County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, McDuffie County, GA, Montgomery County, GA, Morgan County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Screven County, GA, Taliaferro County, GA, Tattnall County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, Wilkinson County, GA, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC
The radar
The Robins AFB radar (KJGX), 104 km from the middle of the area, began a volume at 17:35 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
Charleston AFB, SC (KCHS), launched 12:00Z, 5.6 hours before the alert went out and 213 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
- 180 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 815 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 4 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 |
|---|---|---|---|---|
| Jul 3, 10:26 AM EDT | Mesoscale Discussion | SPC | Baldwin, Bibb, Bleckley, Bryan, Bulloch, Burke and 48 more | 3 hr |
| Jul 3, 11:05 AM EDT | Severe Thunderstorm Watch | SPC | Baldwin, Bibb, Bleckley, Bryan, Bulloch, Burke and 46 more | 6 hr |
| Jul 3, 6:36 PM EDT | Mesoscale Discussion | SPC | Heard, Muscogee, Quitman, Stewart, Troup | 84 min |
Nearby
Mesoscale Discussions in Georgia, 2015Mesoscale Discussions in South Carolina, 2015Every mesoscale discussion in 2015
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.