Alert archive / West Virginia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Charleston, WV

April 4, 20185 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Apr 4, 2018, 2:16 AM EDT for 5 counties in West Virginia. It was in force for 29 min. 3 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
Apr 4, 2018, 2:16 AM EDT (06:16 UTC)
Expired
Apr 4, 2018, 2:45 AM EDT
In force
29 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Boone County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 103 km from the middle of the area, began a volume at 06:15 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
Apr 4, 2:30 AM EDTTSTM WND DMGIaeger, WVMULTIPLE TREES DOWN IN THE AREA OF IAEGER AND PANTHER STATE FOREST PER POST OFFICE EMPLOYEE.
Apr 4, 2:42 AM EDTTSTM WND DMG4 Sw Welch, WVDOH REPORTS WIDESPREAD WIND DAMAGE...TREES DOWN... ACROSS MOST OF COUNTY INCLUDING US 52, WV 16, WV 83, WV 161, CR 1, CR 3, CR 7.
Apr 4, 2:42 AM EDTTSTM WND DMGWar, WVMULTIPLE LARGE TREES UPROOTED ALONG RIVER WITH LARGE LIMBS AND SMALLER TREES DOWN IN THE AREA

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
Apr 3, 9:50 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 6.3 hours before the alert went out and 204 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, Roanoke, VA at 00:00Z on 2018-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Roanoke, VA at 00:00Z on 2018-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1247 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
499 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

469 
WUUS51 KRLX 040616
SVRRLX
WVC005-045-047-059-109-040645-
/O.NEW.KRLX.SV.W.0013.180404T0616Z-180404T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
216 AM EDT WED APR 4 2018

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  McDowell County in southern West Virginia...
  Southeastern Mingo County in southern West Virginia...
  Western Wyoming County in southern West Virginia...
  Logan County in southern West Virginia...
  South central Boone County in central West Virginia...

* Until 245 AM EDT

* At 215 AM EDT, a severe thunderstorm was located over Argo, or 14
  miles north of Grundy, moving northeast at 65 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Welch, Logan, Pineville, Oceana, Gary, War, Man, Northfork,
  Hanover, R.d. Bailey Lake, Gilbert Creek, Holden, Mallory,
  Amherstdale-Robinette, Wharton, Hinch, Mount Gay-Shamrock, Gilbert,
  Davy and Bradshaw.

This includes Route 119 between mile markers 16 and 26.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 3724 8172 3724 8174 3727 8176 3728 8185
      3733 8187 3735 8192 3738 8194 3741 8192
      3744 8194 3746 8199 3747 8200 3751 8193
      3753 8197 3781 8218 3794 8169 3735 8135
      3725 8147 3726 8150 3721 8156 3720 8168
TIME...MOT...LOC 0615Z 246DEG 57KT 3748 8208 

HAIL...<.75IN
WIND...60MPH
 
$$

ROCHE
1 follow-up statement
228 
WWUS51 KRLX 040647
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
247 AM EDT WED APR 4 2018

WVC005-045-047-059-109-040656-
/O.EXP.KRLX.SV.W.0013.000000T0000Z-180404T0645Z/
McDowell WV-Mingo WV-Wyoming WV-Logan WV-Boone WV-
247 AM EDT WED APR 4 2018

...THE SEVERE THUNDERSTORM WARNING FOR MCDOWELL...SOUTHEASTERN
MINGO...WESTERN WYOMING...LOGAN AND SOUTH CENTRAL BOONE COUNTIES HAS
EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 300 AM EDT for
southwestern Virginia...and central and southern West Virginia.

LAT...LON 3724 8172 3724 8174 3727 8176 3728 8185
      3733 8187 3735 8192 3738 8194 3741 8192
      3744 8194 3746 8199 3747 8200 3751 8193
      3753 8197 3781 8218 3794 8169 3735 8135
      3725 8147 3726 8150 3721 8156 3720 8168
TIME...MOT...LOC 0646Z 246DEG 57KT 3767 8154 

$$

08

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 8:15 PM EDTSevere Thunderstorm WarningRLXMason45 min
Apr 3, 8:42 PM EDTSevere Thunderstorm WarningRLXJackson, Mason33 min
Apr 3, 10:06 PM EDTSpecial Weather StatementRLXDoddridge, Harrison24 min
Apr 3, 10:13 PM EDTSevere Thunderstorm WarningRLXDoddridge, Harrison34 min
Apr 3, 11:37 PM EDTSevere Thunderstorm WarningRLXWayne23 min
Apr 4, 12:46 AM EDTSpecial Weather StatementRLXLincoln29 min
Apr 4, 12:57 AM EDTSpecial Weather StatementRLXWayne33 min
Apr 4, 1:29 AM EDTSpecial Weather StatementRLXBoone, Kanawha, Logan, Mingo31 min
Apr 4, 1:35 AM EDTSevere Thunderstorm WarningRLXMingo55 min
Apr 4, 1:57 AM EDTSpecial Weather StatementRLXBraxton, Clay63 min
Apr 4, 2:07 AM EDTSpecial Weather StatementRLXFayette23 min
Apr 4, 2:09 AM EDTSpecial Weather StatementRLXFayette21 min
Apr 4, 2:51 AM EDTSpecial Weather StatementRLXFayette, Raleigh, Wyoming24 min
Apr 4, 3:00 AM EDTSpecial Weather StatementRLXBarbour, Randolph, Upshur, Webster60 min
Apr 4, 3:14 AM EDTWind AdvisoryRLXBarbour, Doddridge, Harrison, Pleasants, Pocahontas, Randolph and 2 more16 hr
Apr 4, 5:46 AM EDTSpecial Weather StatementRLXClay44 min
Apr 4, 10:59 AM EDTRiver Flood WarningRLXPleasants, Wood62 hr
Apr 4, 10:59 AM EDTRiver Flood WarningRLXWood50 hr
Apr 4, 10:59 AM EDTRiver Flood WarningRLXJackson, Wood3 days
Apr 4, 10:59 AM EDTRiver Flood WarningRLXMason3 days
Apr 4, 10:59 AM EDTRiver Flood WarningRLXMason3 days
Apr 4, 11:21 AM EDTAreal Flood WarningRLXPleasants, Wood15 hr
Apr 4, 1:56 PM EDTRiver Flood WarningRLXMason63 hr

Nearby

Severe Thunderstorm Warnings in West Virginia, 2018Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.