Alert archive / West Virginia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 78, NWS Charleston, WV

July 10, 2000Lewis County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 10, 2000, 2:50 PM EDT for Lewis County, West Virginia. It was in force for 25 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jul 10, 2000, 2:50 PM EDT (18:50 UTC)
Expired: Jul 10, 2000, 3:15 PM EDT
In force: 25 min
Issued by: NWS Charleston, WV
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Lewis County, WV

The radar

The Charleston,WV radar (KRLX), 122 km from the middle of the area, began a volume at 18:54 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
Jul 10, 3:05 PM EDT	Thunderstorm Wind	Walkersville, WV

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 10, 12:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.8 hours before the alert went out and 177 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: 172 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 712 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

242 
WUUS51 KRLX 101850
SVRCRW
WVC041-101915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
250 PM EDT MON JUL 10 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LEWIS COUNTY IN WEST VIRGINIA...

* UNTIL 315 PM EDT...

* AT 244 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM OVER SOUTH CENTRAL LEWIS COUNTY...OR ABOUT 12 MILES
  SOUTHWEST OF WESTON...MOVING SOUTHEAST AT 25 MPH.

.

<<CALL TO ACTION>>IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE
WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE
THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS
PASSED.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772.

LAT...LON 3899 8054 3891 8061 3888 8058 3886 8058
          3886 8054 3883 8048 3877 8044 3874 8045
          3874 8040 3877 8042 3884 8041 3891 8036

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 10:49 AM EDT, 4 hours 1 minute earlier.

Area forecast discussion, Jul 10, 10:49 AM EDT, 4 hours 1 minute before

WVZ005>011-013>020-024>040-046-047-OHZ066-067-075-076-083>087-
KYZ101>103-105-VAZ003-004-110233-

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON WV
1049 AM EDT MON JUL 10 2000

REMNANTS OF THE MCS THIS MORNING SLOWLY DYING OFF.  CLOUD TOPS
WARMING OVER EASTERN OHIO AND WITH MAIN MCC OVER NORTHERN ILLINOIS
AND NORTHERN INDIANA.

06Z ETA FORECAST SOUNDINGS INDICATE IF WE GET TO SAY 90F WITH OUR
CURRENT DEW POINTS AROUND 70F...SURFACE BASED CAPES WOULD BE IN
EXCESS OF 2500 J/KG ACROSS SOUTHERN WEST VIRGINIA AND EXTREME
SOUTHWEST VIRGINIA.  THESE ARE THE ARES OF BEST SUNSHINE NOW.

MAIN THREAT WILL BE FLASH FLOODING FROM POTENTIALLY HEAVY RAINS FROM
THIS AFTERNOON INTO TONIGHT.  WILL LEAVE FLASH FLOOD WATCH ALONE FOR
NOW.  WILL WAIT FOR THE AFTERNOON PACKAGE TO DETERMINE IF IT NEEDS
TO BE EXTENDED AND/OR EXPANDED.

CURRENT FORECAST HIGH TEMPERATURES LOOK REASONABLE BASED ON MORNING
SOUNDINGS AND EXPECTED SUNSHINE.

.RLX...
WV...FLASH FLOOD WATCH FOR MONDAY FOR ZONES WVZ007>011...
WVZ014>020...WVZ027>032...WVZ036>040...WVZ046>047.

VA...NONE.
KY...NONE.
OH...FLASH FLOOD WATCH FOR MONDAY FOR ZONES OHZ066>067...
OHZ075>076...OHZ083>086.

.END/BELK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 1:42 PM EDT	Severe Thunderstorm Warning	RLX	Ritchie	18 min
Jul 10, 1:52 PM EDT	Severe Thunderstorm Warning	RLX	Gilmer	23 min
Jul 10, 2:05 PM EDT	Severe Thunderstorm Warning	RLX	Jackson	40 min
Jul 10, 2:14 PM EDT	Severe Thunderstorm Warning	RLX	Taylor	31 min
Jul 10, 2:37 PM EDT	Severe Thunderstorm Warning	RLX	Roane	38 min
Jul 10, 3:33 PM EDT	Severe Thunderstorm Warning	RLX	Putnam	42 min
Jul 10, 3:45 PM EDT	Tornado Warning	RLX	Putnam	15 min
Jul 10, 3:55 PM EDT	Severe Thunderstorm Warning	RLX	Kanawha	35 min
Jul 10, 4:21 PM EDT	Severe Thunderstorm Warning	RLX	Lincoln	39 min
Jul 10, 5:43 PM EDT	Severe Thunderstorm Warning	RLX	Boone	32 min
Jul 10, 6:00 PM EDT	Severe Thunderstorm Warning	RLX	Raleigh	45 min
Jul 10, 6:00 PM EDT	Severe Thunderstorm Warning	RLX	Kanawha, Roane	30 min
Jul 10, 6:19 PM EDT	Severe Thunderstorm Warning	RLX	Mingo	41 min
Jul 10, 7:10 PM EDT	Flash Flood Warning	RLX	Pleasants	20 min
Jul 10, 7:11 PM EDT	Flash Flood Warning	RLX	Pleasants	2 hr
Jul 10, 7:19 PM EDT	Tornado Warning	RLX	Mingo	26 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.