Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 5, NWS Blacksburg, VA

March 18, 2021Mercer County, Summers County, West Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Mar 18, 2021, 7:10 PM EDT for Mercer County, Summers County, West Virginia. It was in force for 65 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: Mar 18, 2021, 7:10 PM EDT (23:10 UTC)
Expired: Mar 18, 2021, 8:15 PM EDT
In force: 65 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Mercer County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 93 km from the middle of the area, began a volume at 23:09 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
Mar 18, 7:30 PM EDT	HAIL 0.88	1 Nne Jumping Branch, WV	PEA UP TO NICKEL SIZE HAIL COMPLETELY COVERING THE GROUND FROM JUMPING BRANCH TO NIMITZ AREA.

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.2 hours before the alert went out and 139 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 517 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 626 m²/s²
0-3 km storm-relative helicity: 780 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

547 
WUUS51 KRNK 182310
SVRRNK
WVC055-089-190015-
/O.NEW.KRNK.SV.W.0005.210318T2310Z-210319T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
710 PM EDT Thu Mar 18 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Summers County in southeastern West Virginia...
  North central Mercer County in southeastern West Virginia...

* Until 815 PM EDT.

* At 710 PM EDT, a severe thunderstorm was located near Coal City, or
  10 miles south of Beckley, moving east at 25 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Hinton...
  Pipestem...
  Buck...
  Flat Top...
  Jumping Branch...
  Pipestem Resort State Park...
  and Ellison.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3758 8119 3760 8114 3759 8109 3760 8107
      3764 8107 3770 8098 3771 8098 3771 8094
      3769 8090 3767 8090 3768 8088 3772 8089
      3774 8092 3775 8092 3777 8067 3771 8066
      3751 8081 3754 8120
TIME...MOT...LOC 2310Z 270DEG 20KT 3764 8117 

HAIL...1.00IN
WIND...60MPH
 
$$

RR

4 follow-up statements

165 
WWUS51 KRNK 182335
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
735 PM EDT Thu Mar 18 2021

WVC055-089-190015-
/O.CON.KRNK.SV.W.0005.000000T0000Z-210319T0015Z/
Summers WV-Mercer WV-
735 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR
SUMMERS AND NORTH CENTRAL MERCER COUNTIES...

At 735 PM EDT, a severe thunderstorm was located over Jumping Branch,
or near Hinton, moving east at 25 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Hinton...
Pipestem...
Buck...
Flat Top...
Jumping Branch...
Pipestem Resort State Park...
and Ellison.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3758 8119 3760 8114 3759 8109 3760 8107
      3764 8107 3770 8098 3771 8098 3771 8094
      3769 8090 3767 8090 3768 8088 3772 8089
      3774 8092 3775 8092 3777 8067 3771 8066
      3751 8081 3754 8120
TIME...MOT...LOC 2335Z 270DEG 20KT 3764 8099 

HAIL...1.00IN
WIND...60MPH
 
$$

RR

254 
WWUS51 KRNK 182348
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
748 PM EDT Thu Mar 18 2021

WVC055-182357-
/O.CAN.KRNK.SV.W.0005.000000T0000Z-210319T0015Z/
Mercer WV-
748 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTH CENTRAL MERCER COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

LAT...LON 3759 8109 3760 8107 3764 8107 3768 8099
      3770 8097 3771 8098 3771 8094 3769 8090
      3767 8090 3768 8088 3772 8089 3775 8092
      3776 8067 3771 8066 3751 8081 3752 8100
TIME...MOT...LOC 2347Z 270DEG 20KT 3764 8090 

$$

WVC089-190015-
/O.CON.KRNK.SV.W.0005.000000T0000Z-210319T0015Z/
Summers WV-
748 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR
SUMMERS COUNTY...

At 747 PM EDT, a severe thunderstorm was located over Bluestone Dam,
or over Hinton, moving east at 25 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Hinton...
Pipestem...
Buck...
Jumping Branch...
Pipestem Resort State Park...
Ellison...
and Glenray.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3759 8109 3760 8107 3764 8107 3768 8099
      3770 8097 3771 8098 3771 8094 3769 8090
      3767 8090 3768 8088 3772 8089 3775 8092
      3776 8067 3771 8066 3751 8081 3752 8100
TIME...MOT...LOC 2347Z 270DEG 20KT 3764 8090 

HAIL...1.00IN
WIND...60MPH
 
$$

RR

767 
WWUS51 KRNK 190004
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
804 PM EDT Thu Mar 18 2021

WVC089-190015-
/O.CON.KRNK.SV.W.0005.000000T0000Z-210319T0015Z/
Summers WV-
804 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR
SOUTHEASTERN SUMMERS COUNTY...

At 804 PM EDT, a severe thunderstorm was located over Talcott, or
near Hinton, moving east at 25 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Glenray...
Buck...
Hix...
Talcott...
Indian Mills...
Ballengee...
and Bluestone Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3752 8093 3760 8088 3768 8088 3772 8089
      3775 8088 3776 8067 3771 8066 3751 8081
TIME...MOT...LOC 0004Z 270DEG 20KT 3764 8078 

HAIL...1.00IN
WIND...60MPH
 
$$

RR

081 
WWUS51 KRNK 190019
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
819 PM EDT Thu Mar 18 2021

WVC089-190027-
/O.EXP.KRNK.SV.W.0005.000000T0000Z-210319T0015Z/
Summers WV-
819 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHEASTERN SUMMERS COUNTY HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

Remember, a Severe Thunderstorm Warning still remains in effect for 
the northeast portion of Summers County.

LAT...LON 3752 8093 3760 8088 3768 8088 3772 8089
      3775 8088 3776 8067 3771 8066 3751 8081
TIME...MOT...LOC 0017Z 270DEG 20KT 3764 8069 

$$

RR

Nearby

Severe Thunderstorm Warnings in West Virginia, 2021 Every severe thunderstorm warning in 2021

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.