Alert archive / Georgia / Tornado Watches in 2012
Tornado Watch 65
The Storm Prediction Center issued this tornado watch at Mar 2, 2012, 10:54 PM EST for 67 counties in Georgia; 22 counties in North Carolina; 12 counties in South Carolina. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 2, 2012, 10:54 PM EST (03:54 UTC)
- Expired
- Mar 3, 2012, 5:00 AM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 101 counties
Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Elbert County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Hart County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Lamar County, GA, Lumpkin County, GA, Madison County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Murray County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rabun County, GA, Rockdale County, GA, Spalding County, GA, Stephens County, GA, Talbot County, GA, Taliaferro County, GA, Towns County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA, Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Gaston County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenville County, SC, Greenwood County, SC, Laurens County, SC, Oconee County, SC, Pickens County, SC, Spartanburg County, SC, Union County, SC, York County, SC
The radar
The Greer radar (KGSP), 42 km from the middle of the area, began a volume at 03:56 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 10:59 PM EST | Severe Thunderstorm Warning | FFC | Chattooga, Floyd | 51 min |
| Mar 2, 11:03 PM EST | Severe Thunderstorm Warning | GSP | Madison, Mitchell, Yancey | 42 min |
| Mar 2, 11:19 PM EST | Flash Flood Warning | FFC | Chattooga, Floyd, Gordon | 4 hr |
| Mar 2, 11:22 PM EST | Severe Thunderstorm Warning | GSP | Avery, Mitchell | 38 min |
| Mar 3, 12:11 AM EST | Flash Flood Warning | FFC | Gilmer, Pickens | 5 hr |
| Mar 3, 12:15 AM EST | Tornado Warning | FFC | Troup | 45 min |
| Mar 3, 12:51 AM EST | Severe Thunderstorm Warning | FFC | Haralson, Paulding, Polk | 39 min |
| Mar 3, 12:56 AM EST | Severe Thunderstorm Warning | FFC | Coweta, Meriwether | 11 min |
| Mar 3, 1:29 AM EST | Severe Thunderstorm Warning | FFC | DeKalb, Fulton | 31 min |
| Mar 3, 1:42 AM EST | Severe Thunderstorm Warning | FFC | Gwinnett, Walton | 33 min |
| Mar 3, 1:58 AM EST | Tornado Warning | FFC | Barrow, Gwinnett, Walton | 34 min |
| Mar 3, 2:10 AM EST | Severe Thunderstorm Warning | GSP | Cherokee, Spartanburg, Union | 30 min |
| Mar 3, 3:20 AM EST | Severe Thunderstorm Warning | GSP | Elbert | 30 min |
| Mar 3, 3:47 AM EST | Flash Flood Warning | FFC | DeKalb | 6 hr |
| Mar 3, 4:11 AM EST | Flash Flood Warning | FFC | Gwinnett | 6 hr |
| Mar 3, 4:14 AM EST | Severe Thunderstorm Warning | GSP | Abbeville, Greenwood, Laurens | 27 min |
| Mar 3, 4:26 AM EST | Tornado Warning | GSP | Greenwood, Laurens | 15 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.9 hours before the alert went out and 235 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
- 540 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 274 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
949
WWUS20 KWNS 030355
SEL5
SPC WW 030355
GAZ000-NCZ000-SCZ000-031000-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 65
NWS STORM PREDICTION CENTER NORMAN OK
1055 PM EST FRI MAR 2 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN AND CENTRAL GEORGIA
WESTERN NORTH CAROLINA
UPSTATE SOUTH CAROLINA
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1055 PM
UNTIL 500 AM EST.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 5 MILES EAST SOUTHEAST OF
CHARLOTTE NORTH CAROLINA TO 35 MILES SOUTH SOUTHWEST OF ROME
GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 61...WW 63...WW 64...
DISCUSSION...SCATTERED STRONG TO SEVERE THUNDERSTORMS CONTINUE OVER
PARTS OF NORTH GA/AL. THESE STORMS WILL TRACK EASTWARD ACROSS THE
WATCH AREA THROUGH THE NEXT SEVERAL HOURS. STORMS HAVE SHOWN AN
OVERALL DECREASE IN INTENSITY THROUGH 4Z...BUT THE PRESENCE OF THE
SURFACE WARM FRONT AND STRONG LOW LEVEL WINDS SUGGEST A CONTINUED
THREAT OF WIDELY SCATTERED SEVERE WEATHER...INCLUDING ISOLATED
TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 25035.
...HARTSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 8:15 PM EST | Mesoscale Discussion | SPC | Catoosa, Dade, Fannin, Gilmer, Murray, Rabun and 4 more | 90 min |
| Mar 2, 8:18 PM EST | Mesoscale Discussion | SPC | Dade | 57 min |
| Mar 2, 9:36 PM EST | Mesoscale Discussion | SPC | Baker, Calhoun, Colquitt, Cook, Decatur, Dougherty and 6 more | 54 min |
| Mar 2, 11:07 PM EST | Mesoscale Discussion | SPC | Carroll, Clayton, Cobb, Coweta, DeKalb, Douglas and 13 more | 113 min |
| Mar 3, 12:40 AM EST | Mesoscale Discussion | SPC | Banks, Barrow, Bartow, Carroll, Cherokee, Clarke and 30 more | 95 min |
| Mar 3, 3:58 AM EST | Mesoscale Discussion | SPC | Burke, Columbia, Glascock, Jefferson, Jenkins, Lincoln and 6 more | 92 min |
| Mar 3, 4:39 AM EST | Severe Thunderstorm Watch | SPC | Burke, Columbia, Lincoln, McDuffie, Richmond | 4 hr |
| Mar 3, 5:47 AM EST | Mesoscale Discussion | SPC | Baker, Berrien, Brooks, Calhoun, Clay, Colquitt and 18 more | 58 min |
| Mar 3, 7:35 AM EST | Tornado Watch | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 49 more | 6 hr |
| Mar 3, 10:12 AM EST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Berrien, Brantley, Brooks and 24 more | 93 min |
| Mar 3, 12:45 PM EST | Mesoscale Discussion | SPC | Brantley, Brooks, Camden, Charlton, Clinch, Echols and 3 more | 60 min |
| Mar 3, 1:04 PM EST | Tornado Watch | SPC | Atkinson, Brantley, Brooks, Camden, Charlton, Clinch and 12 more | 5 hr |
| Mar 3, 4:30 PM EST | Mesoscale Discussion | SPC | Charlton | 90 min |
Nearby
Tornado Watches in Georgia, 2012Tornado Watches in North Carolina, 2012Tornado Watches in South Carolina, 2012Every tornado watch 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; radar from the NEXRAD Level II archive.