Alert archive / Georgia / Mesoscale Discussions in 2011
Mesoscale Discussion 277
The Storm Prediction Center issued this mesoscale discussion at Mar 26, 2011, 12:33 PM EDT for 24 counties in Georgia. It was in force for 57 min.
The area
The outline as issued.
The facts
- Issued
- Mar 26, 2011, 12:33 PM EDT (16:33 UTC)
- Expired
- Mar 26, 2011, 1:30 PM EDT
- In force
- 57 min
- Issued by
- the Storm Prediction Center
All 24 counties
Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Ware 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, 4.6 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
- 379 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 648 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 |
|---|---|---|---|---|
| Mar 26, 12:25 PM EDT | Mesoscale Discussion | SPC | Heard | 95 min |
| Mar 26, 1:15 PM EDT | Tornado Watch | SPC | Baker, Baldwin, Ben Hill, Berrien, Bibb, Bleckley and 74 more | 8 hr |
| Mar 26, 3:23 PM EDT | Mesoscale Discussion | SPC | Atkinson, Bacon, Baker, Baldwin, Ben Hill, Berrien and 79 more | 97 min |
| Mar 26, 3:38 PM EDT | Mesoscale Discussion | SPC | Appling, Bacon, Bryan, Bulloch, Candler, Effingham and 11 more | 97 min |
| Mar 26, 7:40 PM EDT | Tornado Watch | SPC | Bryan, Bulloch, Candler, Chatham, Effingham, Evans and 3 more | 4 hr |
| Mar 26, 7:59 PM EDT | Mesoscale Discussion | SPC | Baker, Baldwin, Ben Hill, Berrien, Bibb, Bleckley and 75 more | 91 min |
Nearby
Mesoscale Discussions in Georgia, 2011Every mesoscale discussion in 2011
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.