Alert archive / Georgia / Mesoscale Discussions in 2012
Mesoscale Discussion 267
The Storm Prediction Center issued this mesoscale discussion at Mar 16, 2012, 3:25 PM EDT for 74 counties in Georgia; 14 counties in South Carolina. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 16, 2012, 3:25 PM EDT (19:25 UTC)
- Expired
- Mar 16, 2012, 5:30 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 88 counties
Appling County, GA, Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Clarke County, GA, Coffee County, GA, Columbia County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jasper County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lee County, GA, Lincoln County, GA, Long County, GA, Macon County, GA, Madison County, GA, McDuffie County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pierce County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Schley County, GA, Screven County, GA, Sumter County, GA, Taliaferro County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Hampton County, SC, Jasper County, SC, Lexington County, SC, McCormick County, SC, Orangeburg County, SC, Saluda County, SC
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.4 hours before the alert went out and 190 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
- 123 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 1234 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
735
ACUS11 KWNS 161925
SWOMCD
SPC MCD 161925
SCZ000-GAZ000-162130-
MESOSCALE DISCUSSION 0267
NWS STORM PREDICTION CENTER NORMAN OK
0225 PM CDT FRI MAR 16 2012
AREAS AFFECTED...CNTRL/ERN GA INTO WRN SC
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 161925Z - 162130Z
SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE AFTERNOON.
ISOLATED INSTANCES OF MARGINALLY SEVERE HAIL AND GUSTY WINDS WILL BE
POSSIBLE WITH STRONGER STORMS. A WW IS NOT EXPECTED.
TEMPERATURES HAVE WARMED INTO THE 80S THIS AFTERNOON LEADING TO A
MODERATELY UNSTABLE AIR MASS WITH SBCAPE VALUES AROUND 2000-3000
J/KG. COMBINED WITH MODEST MIDLEVEL LAPSE RATES OF 6.5-7 DEG C/KM
PER 12Z REGIONAL RAOBS AND 18Z MESOANALYSIS...BRIEF BUT STRONG
UPDRAFTS ARE POSSIBLE. GIVEN THE LACK OF DEEP LAYER FORCING AND VERY
WEAK BULK SHEAR /LESS THAN 15 KT/...ORGANIZED SEVERE STORMS ARE NOT
ANTICIPATED AND ONLY SPORADIC INSTANCES OF MARGINALLY SEVERE HAIL
AND GUSTY WINDS ARE EXPECTED. THEREFORE WW IS NOT EXPECTED.
..LEITMAN.. 03/16/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CHS...CAE...GSP...JAX...FFC...TAE...
LAT...LON 34028124 34258294 34188333 33958373 33228410 32598436
32128434 31958425 31398385 31198313 31208248 31278225
31678182 32468067 33228017 33758036 34028124SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 1:40 PM EDT | Mesoscale Discussion | SPC | Bartow, Carroll, Catoosa, Chattooga, Cherokee, Clayton and 30 more | 2 hr |
Nearby
Mesoscale Discussions in Georgia, 2012Mesoscale Discussions in South Carolina, 2012Every mesoscale discussion in 2012
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.