Alert archive / Alabama / Mesoscale Discussions in 2018
Mesoscale Discussion 1629
The Storm Prediction Center issued this mesoscale discussion at Nov 7, 2018, 10:34 AM CST for 29 counties in Alabama; 12 counties in Georgia; Clarke County, Wayne County, Mississippi. It was in force for 56 min.
The area
The outline as issued.
The facts
- Issued
- Nov 7, 2018, 10:34 AM CST (16:34 UTC)
- Expired
- Nov 7, 2018, 11:30 AM CST
- In force
- 56 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 43 counties
Autauga County, AL, Barbour County, AL, Bullock County, AL, Butler County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Elmore County, AL, Greene County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Russell County, AL, Sumter County, AL, Wilcox County, AL, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Early County, GA, Marion County, GA, Miller County, GA, Muscogee County, GA, Quitman County, GA, Randolph County, GA, Stewart County, GA, Terrell County, GA, Webster County, GA, Clarke County, MS, Wayne County, MS
The radar
The Maxwell AFB radar (KMXX), 106 km from the middle of the area, began a volume at 16:36 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.6 hours before the alert went out and 258 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1536 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Nov 7, 3:45 PM CST | Mesoscale Discussion | SPC | Baldwin, Bibb, Bleckley, Chattahoochee, Crawford, Emanuel and 22 more | 90 min |
| Nov 7, 5:30 PM CST | Mesoscale Discussion | SPC | Emanuel, Johnson, Laurens, Montgomery, Treutlen, Wheeler | 90 min |
| Nov 7, 12:54 PM CST | Mesoscale Discussion | SPC | Forrest, George, Greene, Hancock, Harrison, Jackson and 4 more | 2 hr |
Nearby
Mesoscale Discussions in Alabama, 2018Mesoscale Discussions in Georgia, 2018Mesoscale Discussions in Mississippi, 2018Every mesoscale discussion in 2018
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.