Alert archive / West Virginia / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 125, NWS Blacksburg, VA

July 7, 2003Monroe County, West Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 7, 2003, 9:38 PM EDT for Monroe County, West Virginia. It was in force for 37 min. 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 7, 2003, 9:38 PM EDT (01:38 UTC)
Expired
Jul 7, 2003, 10:15 PM EDT
In force
37 min
Issued by
NWS Blacksburg, VA
Area
Counties, with a storm outline in the text

County Monroe County, WV

The radar

The Roanoke radar (KFCX), 69 km from the middle of the area, began a volume at 01:40 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 7, 8:25 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.6 hours before the alert went out and 105 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 2003-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 857 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2003-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
857 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1375 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

814 
WUUS51 KRNK 080138
SVRRNK
WVC063-080215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
938 PM EDT MON JUL 7 2003

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONROE COUNTY IN SOUTHEAST WEST VIRGINIA

* UNTIL 1015 PM EDT.

* AT 937 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 12 MILES NORTHWEST OF UNION TO 10
  MILES NORTHEAST OF UNION...MOVING SOUTH AT 35 MPH.

* SOME LOCATIONS THREATENED THROUGH 1015 PM EDT INCLUDE
  UNION...

THE SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING WINDS UP TO 60 MILES
AN HOUR.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER.

RELAY SEVERE WEATHER REPORTS TO THE NATIONAL WEATHER SERVICE BY 
CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

LAT...LON 3771 8066 3767 8038 3748 8043 3743 8076

$$

05

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 Blacksburg, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 7, 9:31 PM EDT, 7 minutes earlier.

Area forecast discussion, Jul 7, 9:31 PM EDT, 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG, VA
930PM EDT MON JUL 7 2003

LINE OF TSRA COMING INTO SW VA AND WATCH VALID THRU 1AM. STILL SOME
STG STORMS BUILDING ON THE WRN END OF THE LINE. EXPECT STORMS TO
MAINTAIN INTO THE NRV...BUT AT LEAST INSTABILITY NOT AS EXCESSIVE IN
THE HIGHLANDS AND PIEDMONT AS IT WAS EARLY THIS AFTERNOON. AMS WL
REMAIN HUMID WITH HIGH SFC DEW POINTS. ZONE FCST WL BE UPDATED AGAIN
AS WATCH IS CANCELLED/CLEARED

AVIATION...
OTHER THAN LOCALIZED THUNDERSTORMS BOTH THIS EVENING AND TUESDAY
AFTERNOON...SOME LIGHT FOG EXPECTED AT MOST SITES LATER TONIGHT
THROUGH A FEW HOURS AFTER SUNRISE. OTHERWISE...NO SIGNIFICANT
PROBLEMS ANTICIPATED THE NEXT 24 HOURS.

.RNK...
NC...NONE.
VA...NONE.
WV...NONE.

AMS
Hazardous weather outlook, Jul 7, 5:12 AM EDT, 16 hours 26 minutes before
NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>045-081100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
512 AM EDT MON JUL 7 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WEST VIRGINIA...
WESTERN AND CENTRAL VIRGINIA...AS WELL AS NORTHWEST NORTH CAROLINA.

.DAY ONE...TODAY

THERE IS A SLIGHT RISK OF SEVERE STORMS THIS AFTERNOON.  SCATTERED
THUNDERSTORMS DURING THE AFTERNOON HOURS MAY BECOME ORGANIZED INTO
LINES OR CLUSTERS RESULTING IN WIND DAMAGE OR FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...

HOT AND HUMID WEATHER CAN BE EXPECTED TUESDAY AND WEDNESDAY. HEAT
INDICES MAY APPROACH 100 DEGREES IN AND AROUND THE LARGER URBAN
AREAS EAST OF THE BLUE RIDGE.  AFTERNOON THUNDERSTORMS...ESPECIALLY
WEDNESDAY AND THURSDAY MAY PRODUCE ISOLATED BURSTS OF STRONG WIND
AND RAIN...RESULTING IN WIND DAMAGE OR SMALL STREAM FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON...AND AGAIN FOR
WEDNESDAY OR THURSDAY.

11

In the hours before

Special weather statement, Jul 7, 6:41 PM EDT, 2 hours 57 minutes before
VAZ034-045-072325-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
641 PM EDT MON JUL 7 2003

A LINE OF THUNDERSTORMS WITH UP TO 50 CLOUD TO GROUND LIGHTNING
STRIKES IN A 5 MINUTE PERIOD...IS GOING TO MOVE SOUTH ACROSS
SOUTHERN BEDFORD...AND WESTERN CAMPBELL COUNTY THROUGH 730 PM.
WIND GUSTS TO 40 MPH...AND RAINFALL AMOUNTS UP TO THREE QUARTERS OF
AN INCH CAN ALSO BE EXPECTED. SOME LOCATIONS THAT WILL BE AFFECTED
INCLUDE...HUDDLESTON...MONETA...AND EVINGTON.

IF YOU LIVE IN THESE AREAS...STAY INSIDE...AWAY FROM WINDOWS...AND
DO NOT USE ELECTRICAL APPLIANCES.

05
Special weather statement, Jul 7, 7:35 PM EDT, 2 hours 3 minutes before
VAZ034-045-080027-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
735 PM EDT MON JUL 7 2003

THUNDERSTORMS WITH HEAVY RAIN WILL CONTINUE TO AFFECT SOUTHERN
BEDFORD AND CAMPBELL COUNTIES THROUGH 830 PM. LOCATIONS THAT CAN
SEE UP TO ONE AND A HALF INCHES OF RAIN DURING THIS TIME INCLUDE...
HUDDLESTON...LEESVILLE...AND LYNCH STATION. THUNDERSTORMS WILL ALSO
AFFECT PARTS OF SMITH MOUNTAIN LAKE...ON THE BEDFORD COUNTY SIDE.
WATCH FOR PONDED WATER ON THE HIGHWAYS...AND IN POOR DRAINAGE AREAS.
DO NOT USE ELECTRICAL APPLIANCES DURING A THUNDERSTORM...AND ALSO
GET OFF THE LAKE...OR OUT OF A SWIMMING POOL IF A STORM APPROACHES.

05
Special weather statement, Jul 7, 8:08 PM EDT, 1 hour 30 minutes before
VAZ020-WVZ043-045-080057-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
808 PM EDT MON JUL 7 2003

A LINE OF THUNDERSTORMS WILL BE MOVING INTO SOUTHEAST WEST VIRGINIA
BETWEEN 830 PM AND 900 PM...AFFECTING MUCH OF GREENBRIER COUNTY.
NORTHERN SUMMERS COUNTY...AND BATH COUNTY VIRGINIA COULD SEE THESE
STORMS BY 900 PM AS WELL. FREQUENT CLOUD TO GROUND LIGHTNING...WIND
GUSTS TO 45 MPH...AND VERY HEAVY RAIN WILL ACCOMPANY SOME OF THE
STRONGER STORMS. TOWNS THAT WILL SEE THESE STORMS INCLUDE...
BINGHAM...RAINELLE...ELTON AND MOUNTAIN GROVE.

IF A STORM APPROACHES YOUR AREA...STAY INSIDE...AND AWAY FROM
WINDOWS. DO NOT USE ELECTRICAL APPLIANCES DURING A THUNDERSTORM. IF
TRAVELING...SLOW DOWN...AND BE ALERT TO LOW VISIBILITIES IN HEAVY
RAIN...AND PONDING OF WATER ON THE ROADS.

05
Special weather statement, Jul 7, 8:55 PM EDT, 43 minutes before
VAZ019-020-WVZ043>045-080154-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
855 PM EDT MON JUL 7 2003

A LINE OF THUNDERSTORMS WILL SWEEP ACROSS SOUTHEAST WEST
VIRGINIA...AND ACROSS THE ALLEGHANY HIGHLANDS THROUGH 1000
PM. WIND GUSTS AS HIGH AS 50 MPH...AND HEAVY RAIN CAN BE
EXPECTED. BE PREPARED FOR THESE STORMS IF YOU LIVE IN....
BURNSVILLE...LEWISBURG...NATURAL WELL...MEADOW BLUFF...AND
SANDSTONE.

IF A STORM APPROACHES YOUR AREA...STAY INSIDE...AND AWAY FROM
WINDOWS. DO NOT USE ELECTRICAL APPLIANCES DURING A THUNDERSTORM. IF
TRAVELING...SLOW DOWN...AND BE ALERT TO LOW VISIBILITIES IN HEAVY
RAIN...AND PONDING OF WATER ON THE ROADS.

05

Nearby

Severe Thunderstorm Warnings in West Virginia, 2003Every severe thunderstorm warning in 2003

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.