Alert archive / Georgia / Mesoscale Discussions in 2016
Mesoscale Discussion 139
The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2016, 8:14 AM EST for 6 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2016, 8:14 AM EST (13:14 UTC)
- Expired
- Feb 24, 2016, 10:15 AM EST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 75 counties
Banks County, GA, Barrow County, GA, Dawson County, GA, Fannin County, GA, Forsyth County, GA, Franklin County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Hart County, GA, Jackson County, GA, Lumpkin County, GA, Madison County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, White County, GA, Bell County, KY, Breathitt County, KY, Clay County, KY, Floyd County, KY, Harlan County, KY, Knott County, KY, Knox County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Perry County, KY, Pike County, KY, Avery County, NC, Buncombe County, NC, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Anderson County, SC, Greenville County, SC, Oconee County, SC, Pickens County, SC, Blount County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 78 km from the middle of the area, began a volume at 13:16 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
Nashville Metro, TN (KBNA), launched 12:00Z, 1.2 hours before the alert went out and 296 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1102 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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 |
|---|---|---|---|---|
| Feb 23, 9:08 PM EST | Tornado Watch | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more | 9 hr |
| Feb 23, 10:07 PM EST | Mesoscale Discussion | SPC | Chattahoochee, Clay, Early, Harris, Heard, Muscogee and 4 more | 53 min |
| Feb 24, 12:14 AM EST | Tornado Watch | SPC | Bibb, Bleckley, Chattahoochee, Crawford, Crisp, Dodge and 27 more | 6 hr |
| Feb 24, 1:44 AM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Ben Hill, Berrien, Bleckley and 39 more | 2 hr |
| Feb 24, 3:58 AM EST | Tornado Watch | SPC | Appling, Atkinson, Bacon, Brantley, Bulloch, Candler and 13 more | 6 hr |
| Feb 24, 6:48 AM EST | Mesoscale Discussion | SPC | Appling, Bacon, Brantley, Bryan, Bulloch, Camden and 15 more | 87 min |
| Feb 24, 1:31 PM EST | Mesoscale Discussion | SPC | Bracken, Campbell, Carter, Fleming, Greenup, Kenton and 3 more | 59 min |
| Feb 24, 10:46 AM EST | Mesoscale Discussion | SPC | Alamance, Alexander, Anson, Burke, Cabarrus, Caldwell and 36 more | 119 min |
| Feb 24, 11:16 AM EST | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Brunswick, Camden, Carteret and 28 more | 89 min |
| Feb 24, 11:16 AM EST | Tornado Watch | SPC | Alamance, Alexander, Anson, Bladen, Brunswick, Cabarrus and 52 more | 8 hr |
| Feb 24, 1:18 PM EST | Mesoscale Discussion | SPC | Alamance, Caswell, Durham, Franklin, Granville, Guilford and 9 more | 117 min |
| Feb 24, 1:46 PM EST | Tornado Watch | SPC | Beaufort, Bertie, Camden, Carteret, Chowan, Currituck and 10 more | 9 hr |
| Feb 24, 2:55 PM EST | Mesoscale Discussion | SPC | Alamance, Anson, Bladen, Brunswick, Caswell, Chatham and 28 more | 95 min |
| Feb 24, 4:46 PM EST | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Camden, Chatham, Chowan and 35 more | 89 min |
| Feb 24, 6:40 PM EST | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Camden, Carteret, Chowan and 32 more | 2 hr |
| Feb 24, 6:50 PM EST | Tornado Watch | SPC | Beaufort, Bertie, Bladen, Brunswick, Camden, Carteret and 36 more | 4 hr |
| Feb 24, 3:06 PM EST | Mesoscale Discussion | SPC | Arlington, Culpeper, Fairfax, Fauquier, King George, Loudoun and 10 more | 54 min |
| Feb 24, 3:20 PM EST | Tornado Watch | SPC | Arlington, Culpeper, Fairfax, Fauquier, King George, Loudoun and 10 more | 8 hr |
Nearby
Mesoscale Discussions in Georgia, 2016Mesoscale Discussions in Tennessee, 2016Mesoscale Discussions in North Carolina, 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.