Alert archive / Virginia / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 565

July 10, 20004 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 10, 2000, 2:45 PM EDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 10, 2000, 2:45 PM EDT (18:45 UTC)
Expired
Jul 10, 2000, 8:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 50 counties

Martin County, KY, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Albemarle County, VA, Alleghany County, VA, Amherst County, VA, Appomattox County, VA, Augusta County, VA, Bath County, VA, Bedford County, VA, Botetourt County, VA, Buckingham County, VA, Campbell County, VA, City of Buena Vista, VA, City of Charlottesville, VA, City of Covington, VA, City of Lexington, VA, City of Lynchburg, VA, City of Roanoke, VA, City of Salem, VA, City of Staunton, VA, City of Waynesboro, VA, Craig County, VA, Highland County, VA, Nelson County, VA, Roanoke County, VA, Rockbridge County, VA, Boone County, WV, Braxton County, WV, Cabell County, WV, Clay County, WV, Fayette County, WV, Greenbrier County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Monroe County, WV, Nicholas County, WV, Pocahontas County, WV, Putnam County, WV, Raleigh County, WV, Roane County, WV, Summers County, WV, Wayne County, WV, Webster County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 68 km from the middle of the area, began a volume at 18:49 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.

Warnings issued inside it

16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jul 10, 3:33 PM EDTSevere Thunderstorm WarningRLXPutnam42 min
Jul 10, 3:43 PM EDTSevere Thunderstorm WarningRLXJackson, Vinton32 min
Jul 10, 3:45 PM EDTTornado WarningRLXPutnam15 min
Jul 10, 3:55 PM EDTSevere Thunderstorm WarningRLXKanawha35 min
Jul 10, 4:21 PM EDTSevere Thunderstorm WarningRLXLincoln39 min
Jul 10, 4:38 PM EDTSevere Thunderstorm WarningRLXGallia, Jackson22 min
Jul 10, 4:40 PM EDTFlash Flood WarningRLXJackson2 hr
Jul 10, 5:02 PM EDTSevere Thunderstorm WarningRLXGallia, Jackson28 min
Jul 10, 5:13 PM EDTFlash Flood WarningRLXGallia, Vinton2 hr
Jul 10, 5:43 PM EDTSevere Thunderstorm WarningRLXBoone32 min
Jul 10, 6:00 PM EDTSevere Thunderstorm WarningRLXRaleigh45 min
Jul 10, 6:00 PM EDTSevere Thunderstorm WarningRLXKanawha, Roane30 min
Jul 10, 6:05 PM EDTSevere Thunderstorm WarningJKLMartin25 min
Jul 10, 6:19 PM EDTSevere Thunderstorm WarningRLXMingo41 min
Jul 10, 6:33 PM EDTFlash Flood WarningRLXGallia, Jackson3 hr
Jul 10, 7:19 PM EDTTornado WarningRLXMingo26 min

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.8 hours before the alert went out and 171 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 2000-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 245 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 12:00Z on 2000-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 square meters per square second.1939Sfc1 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
245 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
1224 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
-17 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.

081 
WWUS9 KMKC 101835
SEL5  

SEL5  
MKC WW 101828
OHZ000-VAZ000-WVZ000-110000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 565
STORM PREDICTION CENTER NORMAN OK
228 PM EDT MON JUL 10 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   SOUTH CENTRAL OHIO                               
   WEST CENTRAL VIRGINIA                           
   SOUTHERN WEST VIRGINIA                      

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 800
PM EDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 45 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 5 MILES NORTHWEST OF HUNTINGTON WEST
VIRGINIA TO 35 MILES SOUTH OF CHARLOTTESVILLE VIRGINIA.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...  CONTINUE...WW 564...

DISCUSSION...STORMS CONTINUE TO INTENSIFY ALONG OH RIVER AND OVER
PARTS OF WRN WV.  ACTIVITY COULD BECOME SEVERE AHEAD OF MVC OVER
SOUTH CENTRAL INDIANA ENHANCING CONVERGENCE ALONG WEAK BOUNDARY.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600.  MEAN STORM
MOTION VECTOR 28035.


...MCCARTHY

390,0823 381,0782 365,0782 374,0823

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 10, 12:30 PM EDTSevere Thunderstorm WatchSPCBelmont, Carroll, Harrison, Jefferson, Monroe6 hr
Jul 10, 4:30 PM EDTSevere Thunderstorm WatchSPCArlington, Fairfax, King George, Prince William, Stafford, City of Alexandria and 5 more6 hr

Nearby

Severe Thunderstorm Watches in Virginia, 2000Severe Thunderstorm Watches in West Virginia, 2000Severe Thunderstorm Watches in Ohio, 2000Every severe thunderstorm watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.