Alert archive / Georgia / Mesoscale Discussions in 2016
Mesoscale Discussion 1871
The Storm Prediction Center issued this mesoscale discussion at Dec 5, 2016, 11:35 PM CST for Geneva County, Houston County, Alabama; 19 counties in Florida; 28 counties in Georgia. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Dec 5, 2016, 11:35 PM CST (05:35 UTC)
- Expired
- Dec 6, 2016, 1:30 AM CST
- In force
- 115 min
- Issued by
- the Storm Prediction Center
All 49 counties
Geneva County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Hamilton County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Suwannee County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Atkinson County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Seminole County, GA, Telfair County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Wilcox County, GA, Worth County, GA
The radar
The Tallahassee radar (KTLH), 42 km from the middle of the area, began a volume at 05:38 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
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 5.6 hours before the alert went out and 42 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
- 729 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 497 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 281 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 7.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 5, 7:21 PM CST | Mesoscale Discussion | SPC | Dale, Geneva, Henry, Houston | 114 min |
| Dec 5, 8:00 PM CST | Tornado Watch | SPC | Geneva, Houston | 8 hr |
| Dec 6, 2:31 AM CST | Mesoscale Discussion | SPC | Bay, Calhoun, Columbia, Dixie, Franklin, Gadsden and 13 more | 119 min |
Nearby
Mesoscale Discussions in Georgia, 2016Mesoscale Discussions in Florida, 2016Mesoscale Discussions in Alabama, 2016Every mesoscale discussion in 2016
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.