Alert archive / Georgia / Tornado Watches in 2005

Tornado Watch 98

March 27, 200531 counties in Alabama; 48 counties in Georgia

The Storm Prediction Center issued this tornado watch at Mar 27, 2005, 11:40 AM CST for 31 counties in Alabama; 48 counties in Georgia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 27, 2005, 11:40 AM CST (17:40 UTC)
Expired
Mar 27, 2005, 5:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 79 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Cullman County, AL, DeKalb County, AL, Elmore County, AL, Etowah County, AL, Jackson County, AL, Jefferson County, AL, Lawrence County, AL, Lee County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Perry County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Bartow County, GA, Butts County, GA, Carroll County, GA, Chattooga County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Lamar County, GA, Lumpkin County, GA, Meriwether County, GA, Monroe County, GA, Murray County, GA, Muscogee County, GA, Newton County, GA, Paulding County, GA, Peach County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Rockdale County, GA, Spalding County, GA, Talbot County, GA, Taylor County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walker County, GA, White County, GA, Whitfield County, GA

The radar

The Birmingham radar (KBMX), 107 km from the middle of the area, began a volume at 17:40 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.

Warnings issued inside it

34 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 27, 11:43 AM CSTTornado WarningBMXElmore32 min
Mar 27, 11:57 AM CSTSevere Thunderstorm WarningBMXTallapoosa48 min
Mar 27, 12:02 PM CSTSevere Thunderstorm WarningFFCTroup28 min
Mar 27, 12:14 PM CSTTornado WarningBMXTallapoosa31 min
Mar 27, 12:20 PM CSTTornado WarningBMXChambers40 min
Mar 27, 12:25 PM CSTSevere Thunderstorm WarningFFCCoweta, Heard35 min
Mar 27, 12:47 PM CSTSevere Thunderstorm WarningFFCHarris34 min
Mar 27, 12:54 PM CSTSevere Thunderstorm WarningBMXAutauga51 min
Mar 27, 12:54 PM CSTSevere Thunderstorm WarningFFCHeard, Troup36 min
Mar 27, 1:11 PM CSTSevere Thunderstorm WarningFFCMeriwether34 min
Mar 27, 1:34 PM CSTSevere Thunderstorm WarningFFCCobb, Fulton26 min
Mar 27, 1:46 PM CSTSevere Thunderstorm WarningFFCCarroll, Douglas44 min
Mar 27, 1:49 PM CSTSevere Thunderstorm WarningFFCForsyth26 min
Mar 27, 1:59 PM CSTSevere Thunderstorm WarningFFCDawson, Hall31 min
Mar 27, 2:09 PM CSTSevere Thunderstorm WarningFFCLumpkin, White38 min
Mar 27, 2:16 PM CSTSevere Thunderstorm WarningBMXElmore29 min
Mar 27, 2:18 PM CSTFlash Flood WarningFFCMeriwether, Troup3 hr
Mar 27, 2:26 PM CSTSevere Thunderstorm WarningBMXTallapoosa49 min
Mar 27, 2:45 PM CSTSevere Thunderstorm WarningFFCBartow, Paulding45 min
Mar 27, 2:50 PM CSTSevere Thunderstorm WarningFFCCherokee, Cobb40 min
Mar 27, 2:56 PM CSTTornado WarningBMXElmore, Macon34 min
Mar 27, 3:04 PM CSTSevere Thunderstorm WarningFFCPickens26 min
Mar 27, 3:12 PM CSTSevere Thunderstorm WarningBMXTallapoosa33 min
Mar 27, 3:12 PM CSTSevere Thunderstorm WarningFFCDawson, Gilmer34 min
Mar 27, 3:28 PM CSTSevere Thunderstorm WarningFFCFannin, Union47 min
Mar 27, 3:29 PM CSTSevere Thunderstorm WarningBMXEtowah46 min
Mar 27, 3:32 PM CSTSevere Thunderstorm WarningHUNCullman44 min
Mar 27, 3:49 PM CSTSevere Thunderstorm WarningBMXElmore, Macon41 min
Mar 27, 4:02 PM CSTFlash Flood WarningBMXChambers, Lee, Macon, Tallapoosa118 min
Mar 27, 4:02 PM CSTSevere Thunderstorm WarningBMXTallapoosa28 min
Mar 27, 4:15 PM CSTSevere Thunderstorm WarningBMXCherokee, Etowah30 min
Mar 27, 4:22 PM CSTSevere Thunderstorm WarningBMXLee23 min
Mar 27, 4:28 PM CSTSevere Thunderstorm WarningBMXElmore, Macon, Montgomery32 min
Mar 27, 4:30 PM CSTSevere Thunderstorm WarningBMXChambers45 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

Birmingham, AL (KBMX), launched 12:00Z, 5.7 hours before the alert went out and 107 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2005-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2005-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
257 J/kg
Mixed-layer CIN
-180 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS20 KWNS 271740
SEL8  
SPC WW 271740
ALZ000-GAZ000-272300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 98
NWS STORM PREDICTION CENTER NORMAN OK
1240 PM EST SUN MAR 27 2005

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       NORTHERN ALABAMA
       NORTHWESTERN GEORGIA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL 600
PM EST.

TORNADOES...HAIL TO 2 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 85 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 35 MILES NORTH OF TUSCALOOSA
ALABAMA TO 40 MILES EAST OF ATLANTA GEORGIA.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU8).

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 97...

DISCUSSION...WITH SURFACE LOW ALONG FRONT WRN AL DEEPENING NEWD THIS
AFTERNOON...DEEP LAYER SHEAR AND LOW LEVEL CONVERGENCE WILL BE
FAVORABLE FOR DEVELOPMENT OF SUPERCELL THUNDERSTORMS.  STORMS NOW
CENTRAL AL/WRN GA WILL SPREAD N/NEWD WITH INCREASING THREAT OF
TORNADOES AND LARGE HAIL THRU THE AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24035.


...HALES

345,0873 345,0834 322,0834 322,0873

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 26, 6:05 PM CSTSevere Thunderstorm WatchSPCBibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 23 more3 hr
Mar 26, 8:45 PM CSTTornado WatchSPCAutauga, Baldwin, Bibb, Blount, Bullock, Butler and 44 more7 hr
Mar 26, 9:00 PM CSTTornado WatchSPCBarbour, Dale, Geneva, Henry, Houston, Lee and 1 more7 hr
Mar 26, 10:43 PM CSTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Butler, Chilton and 24 more62 min
Mar 27, 1:14 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Blount, Bullock and 50 more91 min
Mar 27, 2:27 AM CSTMesoscale DiscussionSPCBaldwin, Barbour, Bullock, Butler, Coffee, Conecuh and 13 more63 min
Mar 27, 3:27 AM CSTMesoscale DiscussionSPCChoctaw, Clarke, Greene, Hale, Lamar, Marengo and 5 more33 min
Mar 27, 3:45 AM CSTTornado WatchSPCBarbour, Bullock, Coffee, Covington, Crenshaw, Dale and 6 more6 hr
Mar 27, 6:53 AM CSTMesoscale DiscussionSPCBarbour, Coffee, Covington, Dale, Geneva, Henry and 1 more2 hr
Mar 27, 9:08 AM CSTMesoscale DiscussionSPCCovington, Geneva, Houston37 min
Mar 27, 9:35 AM CSTTornado WatchSPCBarbour, Bullock, Coffee, Covington, Crenshaw, Dale and 5 more7 hr
Mar 27, 11:06 AM CSTMesoscale DiscussionSPCAutauga, Bibb, Blount, Butler, Calhoun, Cherokee and 33 more54 min
Mar 27, 2:24 PM CSTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Blount, Bullock, Chilton and 23 more2 hr
Mar 27, 4:55 PM CSTTornado WatchSPCBarbour, Blount, Bullock, Calhoun, Chambers, Cherokee and 22 more7 hr
Mar 26, 11:05 PM CSTTornado WatchSPCBrantley, Camden, Charlton, Glynn, Ware5 hr
Mar 27, 12:13 PM CSTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 35 more2 hr
Mar 27, 2:55 PM CSTMesoscale DiscussionSPCAtkinson, Baker, Ben Hill, Berrien, Calhoun, Coffee and 22 more2 hr

Nearby

Tornado Watches in Georgia, 2005Tornado Watches in Alabama, 2005Every tornado watch in 2005

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.