Alert archive / Georgia / Mesoscale Discussions in 2004
Mesoscale Discussion 1692
The Storm Prediction Center issued this mesoscale discussion at Jul 15, 2004, 2:55 PM CDT for 4 counties in Alabama; 5 counties in Florida; 47 counties in Georgia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 15, 2004, 2:55 PM CDT (19:55 UTC)
- Expired
- Jul 15, 2004, 5:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 56 counties
Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Gadsden County, FL, Hamilton County, FL, Holmes County, FL, Jackson County, FL, Washington County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Calhoun County, GA, Camden County, GA, Charlton County, GA, Clay 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, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Lee County, GA, Liberty County, GA, Long County, GA, Lowndes County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Pierce County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Ware County, GA, Wayne County, GA, Wilcox County, GA, Worth County, GA
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, 7.9 hours before the alert went out and 112 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
- 3672 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -9 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 14, 8:16 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 31 more | 59 min |
| Jul 15, 10:08 AM CDT | Mesoscale Discussion | SPC | Houston | 3 hr |
| Jul 15, 1:12 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Butler, Chilton, Choctaw, Clarke and 11 more | 2 hr |
| Jul 15, 2:20 PM CDT | Severe Thunderstorm Watch | SPC | Choctaw, Mobile, Washington | 6 hr |
| Jul 15, 3:10 PM CDT | Severe Thunderstorm Watch | SPC | Barbour, Coffee, Covington, Crenshaw, Dale, Geneva and 3 more | 5 hr |
| Jul 15, 5:18 PM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Choctaw, Clarke, Coffee, Conecuh and 12 more | 117 min |
Nearby
Mesoscale Discussions in Georgia, 2004Mesoscale Discussions in Florida, 2004Mesoscale Discussions in Alabama, 2004Every mesoscale discussion in 2004
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.