Alert archive / Georgia / Tornado Warnings in 2010

Tornado Warning 18, NWS Atlanta, GA

April 25, 2010Chattooga County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 25, 2010, 1:18 AM EDT for Chattooga County, Georgia. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 25, 2010, 1:18 AM EDT (05:18 UTC)
Expired
Apr 25, 2010, 2:07 AM EDT
In force
49 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

County Chattooga County, GA

The radar

The Northeast Alabama radar (KHTX), 86 km from the middle of the area, began a volume at 05:21 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 24, 8:11 PM EDTTornado WatchSPC7 hr
Apr 25, 1:17 AM EDTTornado WatchSPC8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.3 hours before the alert went out and 143 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, Peachtre/Fal Fld, GA at 00:00Z on 2010-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2010-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 604 square meters per square second.1939587897117Sfc1 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
92 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
604 m²/s²
0-3 km storm-relative helicity
815 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

014 
WFUS52 KFFC 250518
TORFFC
GAC055-250630-
/O.NEW.KFFC.TO.W.0018.100425T0518Z-100425T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
118 AM EDT SUN APR 25 2010

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  CHATTOOGA COUNTY IN NORTHWEST GEORGIA

* UNTIL 230 AM EDT

* AT 116 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 29 MILES
  SOUTHWEST OF SUMMERVILLE...MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TRION...MENLO...BERRYTON...AND SUMMERVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY MORNING FOR
GEORGIA.

&&

LAT...LON 3459 8542 3458 8510 3443 8519 3439 8526
      3436 8534 3429 8538 3429 8547 3454 8552
TIME...MOT...LOC 0517Z 240DEG 37KT 3429 8579

$$
3 follow-up statements
850 
WWUS52 KFFC 250544
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
144 AM EDT SUN APR 25 2010

GAC055-250630-
/O.CON.KFFC.TO.W.0018.000000T0000Z-100425T0630Z/
CHATTOOGA GA-
144 AM EDT SUN APR 25 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR CHATTOOGA
COUNTY...

AT 139 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG ROTATION LOCATED 7 MILES SOUTHWEST OF MENLO...MOVING 
NORTHEAST AT 45 MPH. THE ROTATION IN THIS STORM HAS WEAKENED 
SLIGHTLY...BUT MAY STILL PRODUCE A TORNADO AT ANY TIME.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CHATTOOGAVILLE...CLOUDLAND...LYERLY...BERRYTON...JAMES H. FLOYD STATE
PARK...SUMMERVILLE...TIDINGS...TRION AND SUBLIGNA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY MORNING FOR
GEORGIA.

&&

LAT...LON 3459 8542 3458 8511 3443 8519 3436 8534
      3434 8547 3454 8552
TIME...MOT...LOC 0543Z 242DEG 39KT 3443 8552

$$
516 
WWUS52 KFFC 250558
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
158 AM EDT SUN APR 25 2010

GAC055-250630-
/O.CON.KFFC.TO.W.0018.000000T0000Z-100425T0630Z/
CHATTOOGA GA-
158 AM EDT SUN APR 25 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR NORTHERN
CHATTOOGA COUNTY...

AT 153 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE ROTATION IN A THUNDERSTORM NEAR BERRYTON...MOVING NORTHEAST 
AT 45 MPH.  THIS STORM CONTINUES TO WEAKEN AS IT MOVES ACROSS 
CHATTOOGA COUNTY...BUT MAY STILL PRODUCE A BRIEF...WEAK TORNADO.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TRION
AND SUBLIGNA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY MORNING FOR
GEORGIA.

&&

LAT...LON 3441 8543 3452 8544 3459 8532 3458 8511
      3445 8518
TIME...MOT...LOC 0556Z 242DEG 39KT 3450 8537

$$
845 
WWUS52 KFFC 250607
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
207 AM EDT SUN APR 25 2010

GAC055-250617-
/O.CAN.KFFC.TO.W.0018.000000T0000Z-100425T0630Z/
CHATTOOGA GA-
207 AM EDT SUN APR 25 2010

...THE TORNADO WARNING FOR NORTHERN CHATTOOGA COUNTY HAS BEEN 
CANCELLED...

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER SUSPECTED TO BE 
PRODUCING A TORNADO. HOWEVER...STRONG GUSTY WINDS UP TO 45 MPH...VERY
HEAVY RAIN...AND SMALL HAIL ARE STILL POSSIBLE WITH THIS STORM.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY MORNING FOR
GEORGIA.

LAT...LON 3441 8543 3452 8544 3459 8532 3458 8511
      3445 8518
TIME...MOT...LOC 0607Z 242DEG 39KT 3456 8524

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 8:28 PM EDTRiver Flood WarningFFCForsyth, Fulton11 hr
Apr 24, 11:56 PM EDTTornado WarningFFCChattooga, Dade, Walker64 min
Apr 25, 12:35 AM EDTSevere Thunderstorm WarningFFCCrawford, Marion, Talbot, Taylor, Upson40 min
Apr 25, 12:48 AM EDTTornado WarningFFCWalker, Whitfield42 min
Apr 25, 1:00 AM EDTSevere Thunderstorm WarningFFCButts, Jasper, Jones, Lamar, Monroe30 min
Apr 25, 1:07 AM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Murray38 min
Apr 25, 1:40 AM EDTFlash Flood WarningFFCWalker, Whitfield113 min
Apr 25, 1:40 AM EDTTornado WarningFFCFannin, Gilmer, Murray30 min
Apr 25, 1:49 AM EDTSevere Thunderstorm WarningFFCChattooga, Floyd41 min
Apr 25, 4:57 AM EDTSevere Thunderstorm WarningFFCCrisp, Dooly, Pulaski, Wilcox23 min
Apr 25, 5:13 AM EDTSevere Thunderstorm WarningFFCBleckley, Dodge, Pulaski32 min
Apr 25, 10:51 AM EDTRiver Flood WarningFFCWhitfield10 hr

Nearby

Tornado Warnings in Georgia, 2010Every tornado warning in 2010Tornadoes in 2010

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.