Alert archive / Georgia / Tornado Warnings in 2017

Tornado Warning 1, NWS Charleston, SC

January 21, 2017Jenkins County, Screven County, Georgia

NWS Charleston, SC issued this tornado warning at Jan 21, 2017, 2:21 PM EST for Jenkins County, Screven County, Georgia. It was in force for 24 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jan 21, 2017, 2:21 PM EST (19:21 UTC)
Expired
Jan 21, 2017, 2:45 PM EST
In force
24 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Jenkins County, GA, Screven County, GA

The radar

The Charleston,SC radar (KCLX), 79 km from the middle of the area, began a volume at 19:25 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 was reported inside it

TimeReportWhereRemark
Jan 21, 2:42 PM ESTTORNADO5 N Woodcliff, GAA NWS SURVEY TEAM CONFIRMED AN EF-0 TORNADO IN SCREVEN COUNTY. THE TORNADO TOUCHED DOWN ALONG BAY BRANCH ROAD AND TRAVELLED NORTH-NORTHEAST ALONG A PATH ABOUT 3 MINUTES IN DURATION...0.7 MILE LONG AND 50 YARDS WIDE. THE TORNADO DAMAGED A CARPORT ATTACHED TO A
Jan 21, 2:44 PM ESTTSTM WND DMG5 N Woodcliff, GASCREVEN COUNTY WARNING POINT REPORTS MULTIPLE TREES DOWN AND DAMAGE TO A SHED IN THE 5300 BLOCK OF BUTTERMILK RD. POSSIBLE TORNADO
Jan 21, 2:48 PM ESTTSTM WND DMG6 N Woodcliff, GATRAINED SPOTTER REPORTED MULTIPLE TREES... ROAD SIGNS... AND POWERLINES DOWN WITH DAMAGE TO CHICKEN COOPS INCLUDING METAL ROOFS REMOVED WITH PORTIONS LEFT IN TREES NEAR THE INTERSECTION OF BAY BRACH ROAD AND BUTTERMILK ROAD. TIME IS ESTIMATED BASED ON RADAR.
Jan 21, 2:52 PM ESTTORNADO3 Ne Sylvania, GAA NWS SURVEY TEAM CONFIRMED AN EF-1 TORNADO IN SCREVEN COUNTY. THE TORNADO TOUCHED DOWN IN FRIENDSHIP MEMORIAL PARK AND FOLLOWED A NORTHEAST PATH. THE TORNADO ROLLED A MOTOR VEHICLE DOWN A HILL AND TOPPLED MULTIPLE HEAVY HEADSTONES IN THE CEMETERY...THEN CROSS
Jan 21, 2:53 PM ESTTSTM WND DMG3 Ne Sylvania, GATWTTER REPORT SHOWS A CAR FLIPPED ON ITS SIDE...A ROOF BLOWN OFF A HOUSE...METAL SIDING REMOVED FROM A FIRE STATION...AND VARIOUS OTHER DAMAGE NEAR THE INTERSECTION OF GA HWY 24 AND FRIENDSHIP RD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 21, 1:51 PM ESTTornado WatchSPC4 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.4 hours before the alert went out and 174 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, Charleston AFB, SC at 12:00Z on 2017-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 138 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, Charleston AFB, SC at 12:00Z on 2017-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
138 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
581 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

519 
WFUS52 KCHS 211921
TORCHS
GAC165-251-211945-
/O.NEW.KCHS.TO.W.0001.170121T1921Z-170121T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
221 PM EST SAT JAN 21 2017

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  Screven County in southeastern Georgia...
  Jenkins County in southeastern Georgia...

* Until 245 PM EST
    
* At 221 PM EST, a severe thunderstorm capable of producing a tornado
  was located 7 miles southwest of Millen, moving northeast at 55
  mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Millen, Sylvania, Butts, Hiltonia, Rocky Ford, Woodcliff, Altman
  and Hilltonia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3295 8184 3291 8176 3296 8168 3273 8156
      3262 8202 3266 8208 3277 8213
TIME...MOT...LOC 1921Z 243DEG 49KT 3272 8202 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
1 follow-up statement
631 
WWUS52 KCHS 211936
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
236 PM EST SAT JAN 21 2017

GAC165-251-211945-
/O.CON.KCHS.TO.W.0001.000000T0000Z-170121T1945Z/
Screven GA-Jenkins GA-
236 PM EST SAT JAN 21 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EST FOR SCREVEN
AND JENKINS COUNTIES...
    
At 236 PM EST, a severe thunderstorm capable of producing a tornado
was located near Millen, moving northeast at 50 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Millen, Sylvania, Hiltonia, Woodcliff, Altman, Hilltonia, Emmalane
and Scarboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3295 8184 3291 8176 3296 8168 3273 8156
      3270 8196 3275 8200 3280 8201
TIME...MOT...LOC 1936Z 241DEG 43KT 3280 8189 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 21, 2:13 PM ESTSevere Thunderstorm WarningCHSBulloch, Candler, Evans, Jenkins, Screven, Tattnall62 min
Jan 21, 2:44 PM ESTTornado WarningCHSLong, Tattnall31 min
Jan 21, 2:58 PM ESTTornado WarningCHSScreven32 min
Jan 21, 3:06 PM ESTSevere Thunderstorm WarningCHSBryan, Bulloch, Effingham, Evans, Liberty, Long and 2 more54 min
Jan 21, 3:38 PM ESTSevere Thunderstorm WarningCHSBryan, Chatham, Liberty67 min
Jan 21, 4:00 PM ESTSpecial Weather StatementCHSMcIntosh30 min

Nearby

Tornado Warnings in Georgia, 2017Every tornado warning in 2017Tornadoes in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.