Alert archive / Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Charleston, WV

July 8, 2016McDowell County, West Virginia; Buchanan County, Dickenson County, Virginia

NWS Charleston, WV issued this special weather statement at Jul 8, 2016, 4:11 PM EDT for McDowell County, West Virginia; Buchanan County, Dickenson County, Virginia. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 8, 2016, 4:11 PM EDT (20:11 UTC)
Expired
Jul 8, 2016, 6:15 PM EDT
In force
2 hr
Issued by
NWS Charleston, WV

Counties Buchanan County, VA, Dickenson County, VA, McDowell County, WV

The radar

The Jackson,KY radar (KJKL), 124 km from the middle of the area, began a volume at 20:12 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

Roanoke, VA (KRNK), launched 12:00Z, 8.2 hours before the alert went out and 224 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 2016-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 163 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 2016-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.193958Sfc1 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
163 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

650 
WWUS81 KRLX 082011
SPSRLX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
411 PM EDT FRI JUL 8 2016

VAZ003-004-WVZ033-082215-
BUCHANAN-DICKENSON-MCDOWELL-
411 PM EDT FRI JUL 8 2016

...A LINE OF THUNDERSTORMS WITH HEAVY RAIN WILL AFFECT
DICKENSON...BUCHANAN AND SOUTHERN MCDOWELL COUNTIES...

AT 410 PM EDT...RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAINFALL WERE LOCATED ALONG A LINE EXTENDING FROM BEEFHIDE TO 8
MILES SOUTHEAST OF GRUNDY. MOVEMENT WAS SOUTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
CLINTWOOD...GRUNDY...HAYSI...JOHN FLANNAGAN LAKE...DAVENPORT...
BREAKS INTERSTATE...GARY...WAR...NORTHFORK...BIG ROCK...TRAMMEL...
BRADSHAW...CLINCHCO...KEYSTONE...ANAWALT...JOLO...OAKWOOD...
COALWOOD...NORA AND CUCUMBER.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY CAUSE
LOCALIZED FLOODING. SHOULD MORE WIDEPSREAD FLOODING BECOME LIKELY
DUE TO REPETITIVE CELLS OVER ONE LOCATION...A FLASH FLOOD WARNING
WOULD BE ISSUED.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 3702 8248 3713 8255 3720 8255 3727 8235
      3737 8222 3742 8132 3728 8142 3726 8150
      3721 8156 3720 8168 3724 8174 3720 8176
      3718 8185 3713 8192 3712 8200 3705 8204
      3704 8217 3699 8226 3700 8229 3696 8235
TIME...MOT...LOC 2010Z 316DEG 13KT 3726 8264 3721 8198 

$$

16

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 10:06 AM EDTFlash Flood WatchRLXBoone, Cabell, Clay, Kanawha, Lincoln, Logan and 5 more10 hr
Jul 8, 1:55 PM EDTSpecial Weather StatementRLXCabell65 min
Jul 8, 2:16 PM EDTSevere Thunderstorm WarningRLXCabell, Lincoln, Mason, Putnam, Wayne44 min
Jul 8, 2:40 PM EDTSevere Thunderstorm WarningRLXLogan, Mingo35 min
Jul 8, 2:53 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha, Lincoln, Putnam25 min
Jul 8, 3:01 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha, Logan, Mingo, Raleigh, Wyoming44 min
Jul 8, 3:10 PM EDTSpecial Weather StatementRLXBoone, Fayette, Kanawha, Logan, Nicholas, Raleigh and 1 more110 min
Jul 8, 3:35 PM EDTSevere Thunderstorm WarningRLXFayette, Raleigh, Wyoming40 min
Jul 8, 1:34 PM EDTSevere Thunderstorm WarningRLXGreenup41 min
Jul 8, 1:38 PM EDTSpecial Weather StatementRLXBoyd, Carter52 min
Jul 8, 2:11 PM EDTSpecial Weather StatementRLXMartin49 min

Nearby

Special Weather Statements in Virginia, 2016Special Weather Statements in West Virginia, 2016Every special weather statement in 2016

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.