Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 2, NWS Charleston, WV

February 25, 2017Gallia County, Lawrence County, Ohio; Cabell County, Mason County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Feb 25, 2017, 1:04 AM EST for Gallia County, Lawrence County, Ohio; Cabell County, Mason County, West Virginia. It was in force for 25 min. 1 report 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: Feb 25, 2017, 1:04 AM EST (06:04 UTC)
Expired: Feb 25, 2017, 1:29 AM EST
In force: 25 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Gallia County, OH, Lawrence County, OH, Cabell County, WV, Mason County, WV

The radar

The Charleston,WV radar (KRLX), 67 km from the middle of the area, began a volume at 06:07 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

Time	Report	Where	Remark
Feb 25, 1:05 AM EST	HAIL 1.25	4 Sse Lake Vesuvius, OH	DEPUTY ON PATROL REPORTED LARGE HAIL.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.1 hours before the alert went out and 152 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 416 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1770 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

As transmitted.

700 
WUUS51 KRLX 250604
SVRRLX
OHC053-087-WVC011-053-250645-
/O.NEW.KRLX.SV.W.0002.170225T0604Z-170225T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
104 AM EST SAT FEB 25 2017

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Gallia County in southeastern Ohio...
  Eastern Lawrence County in southeastern Ohio...
  Northwestern Cabell County in central West Virginia...
  Northwestern Mason County in western West Virginia...

* Until 145 AM EST

* At 104 AM EST, severe thunderstorms were located along a line
  extending from near Ironton to Ashland to near Durbin, moving
  northeast at 65 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Huntington, Point Pleasant, Gallipolis, Chesapeake, Lake Vesuvius,
  Waterloo, Burlington, Aid, Crown City, Athalia, Henderson,
  Adamsville, Scottown, Ashton, Gallopolis Ferry, Gage and Green
  Bottom.

This includes Interstate 64 in West Virginia between mile markers 6
and 7.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Charleston West Virginia.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3865 8268 3895 8223 3890 8204 3874 8198
      3858 8218 3839 8247 3841 8251 3841 8252
      3849 8253
TIME...MOT...LOC 0604Z 235DEG 57KT 3859 8273 3846 8265 3824 8270 

HAIL...0.75IN
WIND...60MPH
 
$$

30

1 follow-up statement

369 
WWUS51 KRLX 250629
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
129 AM EST SAT FEB 25 2017

OHC053-087-WVC011-053-250639-
/O.CAN.KRLX.SV.W.0002.000000T0000Z-170225T0645Z/
Gallia OH-Lawrence OH-Cabell WV-Mason WV-
129 AM EST SAT FEB 25 2017

...THE SEVERE THUNDERSTORM WARNING FOR GALLIA...EASTERN LAWRENCE...
NORTHWESTERN CABELL AND NORTHWESTERN MASON COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.  However gusty winds are
still possible with these thunderstorms.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Charleston West Virginia.

LAT...LON 3865 8268 3895 8223 3890 8204 3874 8198
      3858 8218 3839 8247 3841 8251 3841 8252
      3849 8253
TIME...MOT...LOC 0628Z 235DEG 57KT 3881 8233 3868 8225 3846 8230 

$$

30

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 11:03 PM EST	Special Weather Statement	RLX	Perry	27 min
Feb 24, 11:59 PM EST	Special Weather Statement	RLX	Vinton	31 min
Feb 25, 12:15 AM EST	Special Weather Statement	RLX	Jackson	30 min
Feb 25, 12:25 AM EST	Special Weather Statement	RLX	Vinton	35 min
Feb 25, 12:43 AM EST	Severe Thunderstorm Warning	RLX	Lawrence	32 min
Feb 25, 2:26 AM EST	Special Weather Statement	RLX	Gallia	34 min
Feb 25, 2:37 AM EST	Special Weather Statement	RLX	Cabell, Lincoln, Wayne	23 min
Feb 25, 2:54 AM EST	Special Weather Statement	RLX	Boone	36 min
Feb 25, 3:00 AM EST	Special Weather Statement	RLX	Cabell, Jackson, Lincoln, Mason, Putnam	30 min
Feb 25, 5:39 AM EST	Special Weather Statement	RLX	McDowell, Wyoming	36 min
Feb 25, 6:13 AM EST	Special Weather Statement	RLX	Raleigh	32 min
Feb 25, 6:41 AM EST	Special Weather Statement	RLX	Nicholas, Webster	34 min
Feb 25, 7:18 AM EST	Special Weather Statement	RLX	Pocahontas	27 min
Feb 25, 7:44 AM EST	Special Weather Statement	RLX	Pocahontas	31 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2017 Severe Thunderstorm Warnings in West Virginia, 2017 Every severe thunderstorm warning 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.