Alert archive / West Virginia / Tornado Warnings in 2018

Tornado Warning 4, NWS Charleston, WV

September 9, 2018Kanawha County, Roane County, West Virginia

NWS Charleston, WV issued this tornado warning at Sep 9, 2018, 3:00 PM EDT for Kanawha County, Roane County, West Virginia. It was in force for 30 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: Sep 9, 2018, 3:00 PM EDT (19:00 UTC)
Expired: Sep 9, 2018, 3:30 PM EDT
In force: 30 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Kanawha County, WV, Roane County, WV

The radar

The Charleston,WV radar (KRLX), 26 km from the middle of the area, began a volume at 19:01 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.0 hours before the alert went out and 215 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: 4 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 477 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 367 m²/s²
0-3 km storm-relative helicity: 364 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

913 
WFUS51 KRLX 091900
TORRLX
WVC039-087-091930-
/O.NEW.KRLX.TO.W.0004.180909T1900Z-180909T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston WV
300 PM EDT SUN SEP 9 2018

The National Weather Service in Charleston West Virginia has issued a

* Tornado Warning for...
  Northwestern Kanawha County in central West Virginia...
  Southwestern Roane County in central West Virginia...

* Until 330 PM EDT.
    
* At 300 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Cross Lanes, or near Nitro, moving northeast at 25
  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.

* This dangerous storm will be near...
  Sissonville around 320 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3847 8173 3857 8160 3860 8153 3861 8152
      3862 8153 3864 8150 3846 8140 3840 8174
      3845 8177
TIME...MOT...LOC 1900Z 245DEG 21KT 3844 8174 

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

$$

Kistner

3 follow-up statements

237 
WWUS51 KRLX 091913
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
313 PM EDT SUN SEP 9 2018

WVC087-091921-
/O.CAN.KRLX.TO.W.0004.000000T0000Z-180909T1930Z/
Roane WV-
313 PM EDT SUN SEP 9 2018

...THE TORNADO WARNING FOR SOUTHWESTERN ROANE COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning will pass south 
of Roane County.  Therefore, the warning has been cancelled.

LAT...LON 3849 8170 3855 8159 3858 8150 3846 8140
      3841 8169 3847 8172
TIME...MOT...LOC 1911Z 245DEG 21KT 3847 8166 

$$

WVC039-091930-
/O.CON.KRLX.TO.W.0004.000000T0000Z-180909T1930Z/
Kanawha WV-
313 PM EDT SUN SEP 9 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR NORTH
CENTRAL KANAWHA COUNTY...
    
At 311 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Sissonville, or 8 miles north of Charleston, moving
northeast at 25 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.

This dangerous storm will be near...
  Sissonville around 320 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3849 8170 3855 8159 3858 8150 3846 8140
      3841 8169 3847 8172
TIME...MOT...LOC 1911Z 245DEG 21KT 3847 8166 

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

$$

Kistner

462 
WWUS51 KRLX 091923
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
323 PM EDT SUN SEP 9 2018

WVC039-091930-
/O.CON.KRLX.TO.W.0004.000000T0000Z-180909T1930Z/
Kanawha WV-
323 PM EDT SUN SEP 9 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR NORTH
CENTRAL KANAWHA COUNTY...
    
At 323 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Sissonville, or 10 miles north of Charleston, moving
northeast at 25 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.

This tornadic thunderstorm will remain over mainly rural areas of
north central Kanawha County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3852 8156 3855 8147 3846 8140 3842 8161
      3849 8163
TIME...MOT...LOC 1923Z 245DEG 21KT 3850 8159 

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

$$

Kistner

902 
WWUS51 KRLX 091929
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
329 PM EDT SUN SEP 9 2018

WVC039-091938-
/O.EXP.KRLX.TO.W.0004.000000T0000Z-180909T1930Z/
Kanawha WV-
329 PM EDT SUN SEP 9 2018

...THE TORNADO WARNING FOR NORTH CENTRAL KANAWHA COUNTY WILL EXPIRE
AT 330 PM EDT...
    
The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning will be allowed to expire.

LAT...LON 3852 8156 3855 8147 3846 8140 3842 8161
      3849 8163
TIME...MOT...LOC 1928Z 245DEG 21KT 3851 8157 

$$

Kistner

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 8:39 AM EDT	Areal Flood Warning	RLX	Barbour, Doddridge, Harrison, Taylor, Tyler	6 hr
Sep 9, 9:43 AM EDT	Areal Flood Warning	RLX	Mason	21 hr
Sep 9, 1:20 PM EDT	Flash Flood Warning	RLX	Cabell	3 hr
Sep 9, 2:14 PM EDT	Special Weather Statement	RLX	Putnam	46 min
Sep 9, 2:58 PM EDT	Flash Flood Warning	RLX	Cabell, Wayne	3 hr
Sep 9, 5:10 PM EDT	Areal Flood Warning	RLX	Cabell, Mason, Putnam, Wayne	6 hr
Sep 9, 5:21 PM EDT	Areal Flood Warning	RLX	Cabell, Jackson, Kanawha, Mason, Putnam, Wirt and 1 more	6 hr
Sep 9, 5:52 PM EDT	Areal Flood Warning	RLX	Cabell, Lincoln, Wayne	6 hr

Nearby

Tornado Warnings in West Virginia, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.