Alert archive / Georgia / Mesoscale Discussions in 2020
Mesoscale Discussion 97
The Storm Prediction Center issued this mesoscale discussion at Feb 6, 2020, 7:32 PM EST for 18 counties in Florida; 25 counties in Georgia; 6 counties in South Carolina. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Feb 6, 2020, 7:32 PM EST (00:32 UTC)
- Expired
- Feb 6, 2020, 9:30 PM EST
- In force
- 118 min
- Issued by
- the Storm Prediction Center
All 49 counties
Alachua County, FL, Baker County, FL, Bradford County, FL, Citrus County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Gilchrist County, FL, Hamilton County, FL, Lafayette County, FL, Levy County, FL, Marion County, FL, Nassau County, FL, Putnam County, FL, Saint Johns County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Bryan County, GA, Bulloch County, GA, Camden County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Effingham County, GA, Evans County, GA, Glynn County, GA, Jeff Davis County, GA, Lanier County, GA, Liberty County, GA, Long County, GA, McIntosh County, GA, Pierce County, GA, Tattnall County, GA, Toombs County, GA, Ware County, GA, Wayne County, GA, Beaufort County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC, Jasper County, SC
The radar
The Jacksonville radar (KJAX), 36 km from the middle of the area, began a volume at 00:32 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
Jacksonville, FL (KJAX), launched 00:00Z, 0.5 hours before the alert went out and 35 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
- 301 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1234 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 344 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 1.9
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 |
|---|---|---|---|---|
| Feb 6, 8:47 PM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, Citrus, DeSoto, Flagler, Hardee and 18 more | 88 min |
| Feb 6, 9:25 PM EST | Tornado Watch | SPC | Brevard, Charlotte, DeSoto, Hardee, Hernando, Highlands and 15 more | 6 hr |
| Feb 7, 12:38 AM EST | Mesoscale Discussion | SPC | Brevard, Charlotte, DeSoto, Glades, Hardee, Hendry and 9 more | 2 hr |
| Feb 7, 1:57 AM EST | Mesoscale Discussion | SPC | Broward, Collier, Glades, Hendry, Indian River, Martin and 5 more | 2 hr |
| Feb 6, 8:09 PM EST | Mesoscale Discussion | SPC | Georgetown, Horry, Marion, Williamsburg | 96 min |
| Feb 6, 11:32 PM EST | Mesoscale Discussion | SPC | Berkeley, Charleston, Georgetown, Horry | 118 min |
Nearby
Mesoscale Discussions in Georgia, 2020Mesoscale Discussions in Florida, 2020Mesoscale Discussions in South Carolina, 2020Every mesoscale discussion in 2020
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.