Alert archive / Georgia / Mesoscale Discussions in 2017
Mesoscale Discussion 102
The Storm Prediction Center issued this mesoscale discussion at Jan 22, 2017, 12:06 AM EST for 40 counties in Georgia. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- Jan 22, 2017, 12:06 AM EST (05:06 UTC)
- Expired
- Jan 22, 2017, 1:00 AM EST
- In force
- 54 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 40 counties
Appling County, GA, Bacon County, GA, Ben Hill County, GA, Bibb County, GA, Bleckley County, GA, Brantley County, GA, Bryan County, GA, Candler County, GA, Coffee County, GA, Crawford County, GA, Dodge County, GA, Dooly County, GA, Emanuel County, GA, Evans County, GA, Glynn County, GA, Houston County, GA, Jeff Davis County, GA, Johnson County, GA, Laurens County, GA, Liberty County, GA, Long County, GA, Macon County, GA, McIntosh County, GA, Montgomery County, GA, Peach County, GA, Pierce County, GA, Pulaski County, GA, Schley County, GA, Sumter County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Washington County, GA, Wayne County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson 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
Jacksonville, FL (KJAX), launched 00:00Z, 5.1 hours before the alert went out and 188 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
- 4 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 823 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- -87 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Jan 21, 7:51 PM EST | Tornado Watch | SPC | Baker, Ben Hill, Calhoun, Clay, Colquitt, Decatur and 15 more | 8 hr |
| Jan 21, 9:30 PM EST | Mesoscale Discussion | SPC | Clay, Early, Quitman, Seminole | 90 min |
| Jan 21, 10:57 PM EST | Mesoscale Discussion | SPC | Baker, Calhoun, Chattahoochee, Clay, Decatur, Dougherty and 10 more | 93 min |
| Jan 22, 12:49 AM EST | Mesoscale Discussion | SPC | Baker, Calhoun, Chattahoochee, Clay, Decatur, Dougherty and 10 more | 116 min |
| Jan 22, 2:55 AM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 47 more | 65 min |
| Jan 22, 3:20 AM EST | Tornado Watch | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 56 more | 9 hr |
| Jan 22, 3:46 AM EST | Mesoscale Discussion | SPC | Baldwin, Barrow, Bibb, Butts, Carroll, Chattahoochee and 38 more | 119 min |
| Jan 22, 6:34 AM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 57 more | 86 min |
| Jan 22, 7:11 AM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 49 more | 2 hr |
| Jan 22, 9:11 AM EST | Mesoscale Discussion | SPC | Brantley, Brooks, Camden, Charlton, Clinch, Decatur and 7 more | 64 min |
| Jan 22, 10:16 AM EST | Mesoscale Discussion | SPC | Brooks, Camden, Charlton, Clinch, Decatur, Echols and 5 more | 59 min |
| Jan 22, 10:41 AM EST | Mesoscale Discussion | SPC | Baldwin, Bibb, Bleckley, Butts, Crawford, Dodge and 27 more | 94 min |
| Jan 22, 11:25 AM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 31 more | 95 min |
| Jan 22, 12:02 PM EST | Mesoscale Discussion | SPC | Decatur, Seminole | 58 min |
| Jan 22, 12:47 PM EST | Tornado Watch | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 100 more | 7 hr |
| Jan 22, 1:31 PM EST | Mesoscale Discussion | SPC | Chattahoochee, Harris, Meriwether, Muscogee, Troup | 59 min |
| Jan 22, 1:36 PM EST | Mesoscale Discussion | SPC | Decatur, Grady, Miller, Seminole, Thomas | 54 min |
| Jan 22, 3:02 PM EST | Mesoscale Discussion | SPC | Baker, Ben Hill, Berrien, Brooks, Calhoun, Colquitt and 15 more | 58 min |
| Jan 22, 3:28 PM EST | Mesoscale Discussion | SPC | Carroll, Chattahoochee, Clayton, Coweta, Douglas, Fayette and 10 more | 92 min |
| Jan 22, 4:02 PM EST | Mesoscale Discussion | SPC | Bryan, Bulloch, Burke, Candler, Chatham, Effingham and 8 more | 88 min |
| Jan 22, 4:19 PM EST | Mesoscale Discussion | SPC | Atkinson, Bacon, Ben Hill, Berrien, Charlton, Clinch and 12 more | 86 min |
| Jan 22, 4:25 PM EST | Tornado Watch | SPC | Bryan, Bulloch, Burke, Candler, Chatham, Columbia and 10 more | 3 hr |
| Jan 22, 6:58 PM EST | Mesoscale Discussion | SPC | Brantley, Bryan, Bulloch, Burke, Candler, Chatham and 11 more | 92 min |
Nearby
Mesoscale Discussions in Georgia, 2017Every mesoscale discussion in 2017
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.