Alert archive / West Virginia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS Charleston, WV

March 1, 20178 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Mar 1, 2017, 10:18 AM EST for 8 counties in West Virginia. It was in force for 27 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
Mar 1, 2017, 10:18 AM EST (15:18 UTC)
Expired
Mar 1, 2017, 10:45 AM EST
In force
27 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Boone County, WV, Fayette County, WV, Kanawha County, WV, Logan County, WV, Mingo County, WV, Nicholas County, WV, Raleigh County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 76 km from the middle of the area, began a volume at 15:21 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.

What was reported inside it

TimeReportWhereRemark
Mar 1, 10:30 AM ESTTSTM WND DMGCool Ridge, WVFEW TREES DOWN... RADAR ESTIMATED TIME
Mar 1, 10:32 AM ESTTSTM WND DMGOak Hill, WVSEVERAL TREES... POWER POLES... AND POWER LINES DOWN
Mar 1, 10:35 AM ESTTSTM WND DMGGlen Jean, WVLARGE TREE DOWN ACROSS ROUTE 16

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
Mar 1, 6:48 AM ESTSevere Thunderstorm WatchSPC5 hr
Mar 1, 7:47 AM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 3.3 hours before the alert went out and 156 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 12:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Roanoke, VA at 12:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 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
8 J/kg
Mixed-layer CIN
-303 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
448 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

842 
WUUS51 KRLX 011518
SVRRLX
WVC005-019-039-045-059-067-081-109-011545-
/O.NEW.KRLX.SV.W.0021.170301T1518Z-170301T1545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
1018 AM EST WED MAR 1 2017

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Southwestern Nicholas County in southeastern West Virginia...
  East central Mingo County in southern West Virginia...
  Southeastern Kanawha County in central West Virginia...
  Raleigh County in southeastern West Virginia...
  Northern Wyoming County in southern West Virginia...
  Southeastern Logan County in southern West Virginia...
  Fayette County in southeastern West Virginia...
  Southeastern Boone County in central West Virginia...

* Until 1045 AM EST

* At 1017 AM EST, severe thunderstorms were located along a line
  extending from near Pratt to near Hinch, moving east at 70 mph.

  HAZARD...70 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings. 

* Locations impacted include...
  Beckley, Fayetteville, Rainelle, Pineville, Babcock State Park, Oak
  Hill, Montgomery, Mullens, Mount Hope, Mabscott, Ansted, Oceana,
  Sophia, Glasgow, Smithers, Man, Gauley Bridge, Pratt, Piney View
  and Coal City.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 West Virginia Turnpike between mile markers 30 and 81.
 Interstate 64 in West Virginia between mile markers 120 and 135.

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 3766 8203 3825 8137 3814 8062 3808 8071
      3810 8088 3808 8089 3806 8087 3806 8080
      3804 8083 3802 8080 3798 8077 3795 8081
      3792 8079 3784 8088 3782 8094 3780 8092
      3760 8114 3758 8120 3753 8121
TIME...MOT...LOC 1517Z 282DEG 61KT 3827 8135 3766 8201 

HAIL...<.75IN
WIND...70MPH
 
$$

09
1 follow-up statement
165 
WWUS51 KRLX 011535
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
1035 AM EST WED MAR 1 2017

WVC039-011544-
/O.CAN.KRLX.SV.W.0021.000000T0000Z-170301T1545Z/
Kanawha WV-
1035 AM EST WED MAR 1 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KANAWHA COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 100 PM EST for
central and southeastern West Virginia. A severe thunderstorm watch
also remains in effect until 100 PM EST for central, southern and
southeastern West Virginia.

LAT...LON 3766 8203 3796 8157 3800 8146 3797 8144
      3797 8138 3818 8133 3823 8126 3814 8062
      3808 8071 3810 8088 3806 8087 3806 8081
      3804 8083 3792 8079 3782 8094 3782 8093
      3780 8092 3760 8114 3758 8120 3753 8121
TIME...MOT...LOC 1534Z 282DEG 61KT 3821 8102 3761 8169 

$$

WVC005-019-045-059-067-081-109-011545-
/O.CON.KRLX.SV.W.0021.000000T0000Z-170301T1545Z/
Nicholas WV-Mingo WV-Raleigh WV-Wyoming WV-Logan WV-Fayette WV-
Boone WV-
1035 AM EST WED MAR 1 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM EST
FOR SOUTHWESTERN NICHOLAS...EAST CENTRAL MINGO...RALEIGH...NORTHERN
WYOMING...SOUTHEASTERN LOGAN...FAYETTE AND SOUTHEASTERN BOONE
COUNTIES...

At 1034 AM EST, severe thunderstorms were located along a line
extending from 6 miles northeast of Ansted to near Hanover, moving
east at 70 mph.

HAZARD...70 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Beckley, Fayetteville, Pineville, Babcock State Park, Oak Hill,
Montgomery, Mullens, Mount Hope, Mabscott, Ansted, Oceana, Sophia,
Smithers, Man, Gauley Bridge, Piney View, Coal City, Prosperity,
Mallory and Crab Orchard.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 West Virginia Turnpike between mile markers 30 and 66.
 Interstate 64 in West Virginia between mile markers 120 and 135.

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 3766 8203 3796 8157 3800 8146 3797 8144
      3797 8138 3818 8133 3823 8126 3814 8062
      3808 8071 3810 8088 3806 8087 3806 8081
      3804 8083 3792 8079 3782 8094 3782 8093
      3780 8092 3760 8114 3758 8120 3753 8121
TIME...MOT...LOC 1534Z 282DEG 61KT 3821 8102 3761 8169 

HAIL...<.75IN
WIND...70MPH
 
$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 4:14 AM ESTSevere Thunderstorm WarningRLXWood31 min
Mar 1, 4:23 AM ESTSpecial Weather StatementRLXDoddridge, Harrison, Taylor, Tyler37 min
Mar 1, 5:30 AM ESTSpecial Weather StatementRLXMason30 min
Mar 1, 5:44 AM ESTSevere Thunderstorm WarningRLXJackson, Mason, Wirt, Wood31 min
Mar 1, 6:15 AM ESTSevere Thunderstorm WarningRLXCalhoun, Gilmer, Jackson, Ritchie, Roane, Wirt30 min
Mar 1, 6:44 AM ESTSevere Thunderstorm WarningRLXJackson, Mason31 min
Mar 1, 6:46 AM ESTSevere Thunderstorm WarningRLXBarbour, Calhoun, Gilmer, Harrison, Lewis, Ritchie and 1 more29 min
Mar 1, 6:58 AM ESTSpecial Weather StatementRLXDoddridge, Harrison, Taylor32 min
Mar 1, 7:15 AM ESTSpecial Weather StatementRLXCalhoun, Jackson, Roane30 min
Mar 1, 7:17 AM ESTSpecial Weather StatementRLXBarbour, Lewis28 min
Mar 1, 7:36 AM ESTFlash Flood WarningRLXCalhoun, Doddridge, Gilmer, Jackson, Lewis, Ritchie and 2 more5 hr
Mar 1, 8:47 AM ESTSevere Thunderstorm WarningRLXCabell, Mason28 min
Mar 1, 8:58 AM ESTTornado WarningRLXJackson, Mason, Wood32 min
Mar 1, 9:01 AM ESTSevere Thunderstorm WarningRLXCabell, Wayne44 min
Mar 1, 9:07 AM ESTFlash Flood WarningRLXJackson, Mason, Wirt5 hr
Mar 1, 9:09 AM ESTFlash Flood WarningRLXDoddridge, Harrison, Pleasants, Ritchie, Tyler, Wirt and 1 more5 hr
Mar 1, 9:16 AM ESTSevere Thunderstorm WarningRLXCabell, Jackson, Mason, Putnam29 min
Mar 1, 9:26 AM ESTSevere Thunderstorm WarningRLXBoone, Cabell, Kanawha, Lincoln, Mingo, Putnam and 1 more49 min
Mar 1, 9:28 AM ESTTornado WarningRLXCalhoun, Jackson, Ritchie, Wirt, Wood32 min
Mar 1, 9:33 AM ESTTornado WarningRLXCalhoun, Jackson, Mason, Putnam, Roane27 min
Mar 1, 9:41 AM ESTSevere Thunderstorm WarningRLXClay, Jackson, Kanawha, Putnam, Roane34 min
Mar 1, 9:48 AM ESTSevere Thunderstorm WarningRLXBoone, Fayette, Kanawha, Lincoln, Logan, Mingo and 2 more27 min
Mar 1, 9:55 AM ESTTornado WarningRLXBraxton, Calhoun, Gilmer, Jackson, Roane35 min
Mar 1, 10:01 AM ESTSevere Thunderstorm WarningRLXCalhoun, Doddridge, Gilmer, Pleasants, Ritchie, Tyler and 1 more29 min
Mar 1, 10:07 AM ESTSevere Thunderstorm WarningRLXMcDowell, Mingo, Wyoming23 min
Mar 1, 10:16 AM ESTSevere Thunderstorm WarningRLXBraxton, Calhoun, Clay, Fayette, Kanawha, Nicholas and 2 more29 min
Mar 1, 10:25 AM ESTSevere Thunderstorm WarningRLXBraxton, Gilmer, Lewis, Randolph, Upshur, Webster35 min
Mar 1, 10:28 AM ESTSevere Thunderstorm WarningRLXMcDowell, Mingo, Wyoming32 min
Mar 1, 10:32 AM ESTSpecial Weather StatementRLXDoddridge, Harrison, Lewis, Taylor43 min
Mar 1, 10:44 AM ESTSevere Thunderstorm WarningRLXFayette, Nicholas, Pocahontas, Raleigh, Randolph, Webster and 1 more31 min
Mar 1, 10:59 AM ESTSevere Thunderstorm WarningRLXPocahontas, Randolph, Upshur31 min
Mar 1, 11:33 AM ESTAreal Flood WarningRLXJackson, Mason, Wirt3 hr
Mar 1, 11:55 AM ESTWind AdvisoryRLXPocahontas, Randolph20 hr
Mar 1, 12:23 PM ESTAreal Flood WarningRLXDoddridge, Harrison, Pleasants, Ritchie, Tyler, Wirt and 1 more8 hr
Mar 1, 12:27 PM ESTAreal Flood WarningRLXCalhoun, Doddridge, Gilmer, Jackson, Lewis, Ritchie and 2 more2 hr
Mar 1, 6:20 PM ESTSpecial Weather StatementRLXHarrison25 min
Mar 1, 6:49 PM ESTSpecial Weather StatementRLXNicholas, Webster41 min
Mar 1, 6:52 PM ESTSpecial Weather StatementRLXRaleigh, Wyoming38 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2017Every 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.