Alert archive / Georgia / Mesoscale Discussions in 2013
Mesoscale Discussion 700
The Storm Prediction Center issued this mesoscale discussion at May 19, 2013, 3:55 PM EDT for 7 counties in Florida; 59 counties in Georgia. It was in force for 35 min.
The area
The outline as issued.
The facts
- Issued
- May 19, 2013, 3:55 PM EDT (19:55 UTC)
- Expired
- May 19, 2013, 4:30 PM EDT
- In force
- 35 min
- Issued by
- the Storm Prediction Center
All 66 counties
Baker County, FL, Columbia County, FL, Duval County, FL, Hamilton County, FL, Madison County, FL, Nassau County, FL, Suwannee County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Bleckley County, GA, Brantley County, GA, Brooks County, GA, Calhoun County, GA, Camden County, GA, Charlton County, GA, Chattahoochee County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Grady County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Miller County, GA, Mitchell County, GA, Montgomery County, GA, Peach County, GA, Pierce County, GA, Pulaski County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Ware County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Worth County, GA
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 7.9 hours before the alert went out and 161 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
- 626 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 910 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| May 19, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | Baker, Columbia, Duval, Hamilton, Madison, Nassau | 6 hr |
| May 19, 12:35 PM EDT | Mesoscale Discussion | SPC | Baker, Berrien, Brooks, Calhoun, Chattahoochee, Clayton and 39 more | 55 min |
Nearby
Mesoscale Discussions in Georgia, 2013Mesoscale Discussions in Florida, 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.