Alert archive / Georgia / Mesoscale Discussions in 2007
Mesoscale Discussion 153
The Storm Prediction Center issued this mesoscale discussion at Feb 13, 2007, 2:14 PM EST for 30 counties in Georgia. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Feb 13, 2007, 2:14 PM EST (19:14 UTC)
- Expired
- Feb 13, 2007, 3:45 PM EST
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 30 counties
Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Coffee County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Houston County, GA, Irwin County, GA, Jeff Davis County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, Montgomery County, GA, Peach County, GA, Pulaski County, GA, Telfair County, GA, Tift County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA
The radar
The Robins AFB radar (KJGX), 73 km from the middle of the area, began a volume at 19:14 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.2 hours before the alert went out and 196 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
- 10 J/kg
- Mixed-layer CIN
- -254 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 108 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 |
|---|---|---|---|---|
| Feb 13, 10:07 AM EST | Tornado Watch | SPC | Brooks, Decatur, Early, Grady, Lowndes, Miller and 2 more | 7 hr |
| Feb 13, 1:08 PM EST | Mesoscale Discussion | SPC | Brooks, Decatur, Early, Grady, Lowndes, Miller and 2 more | 67 min |
| Feb 13, 3:34 PM EST | Severe Thunderstorm Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bryan, Bulloch and 29 more | 5 hr |
| Feb 13, 4:54 PM EST | Tornado Watch | SPC | Burke, Columbia, Lincoln, McDuffie, Richmond | 7 hr |
Nearby
Mesoscale Discussions in Georgia, 2007Every mesoscale discussion in 2007
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.