Alert archive / West Virginia / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 100, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at Aug 4, 2010, 5:35 PM EDT for 7 counties in West Virginia; Gallia County, Lawrence County, Ohio; Lawrence County, Kentucky. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 4, 2010, 5:35 PM EDT (21:35 UTC)
- Expired
- Aug 4, 2010, 6:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
Counties Lawrence County, KY, Gallia County, OH, Lawrence County, OH, Boone County, WV, Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Mason County, WV, Putnam County, WV, Wayne County, WV
The radar
The Charleston,WV radar (KRLX), 38 km from the middle of the area, began a volume at 21:35 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 4, 2:18 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.6 hours before the alert went out and 184 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.
- Mixed-layer CAPE
- 2520 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 858 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.4
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 Aug 4, 2:55 PM EDT, 2 hours 40 minutes earlier.
Area forecast discussion, Aug 4, 2:55 PM EDT, 2 hours 40 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON WV 255 PM EDT WED AUG 4 2010 .SYNOPSIS... UPPER LEVEL DISTURBANCES AND THEN AN APPROACHING COLD FRONT WILL BRING UNSETTLED WEATHER INTO THURSDAY WITH SHOWERS AND THUNDERSTORMS. HIGH PRESSURE WILL FOLLOW FOR FRIDAY AND THE WEEKEND. && .NEAR TERM /THROUGH THURSDAY/... SECOND FORWARD PROPAGATING MCS OF THE DAY MVG ACROSS CENTRAL OH WILL SLIDE SOUTHWARD ACROSS CENTRAL WV FOR THE AFTERNOON AND EVENING HOURS. THIS SYSTEM SHOULD HOLD TOGETHER WITH CONTINUED DEVELOPMENT TOWARD THE SOUTH...AS MOIST AND UNSTABLE AIR MASS REMAINS IN PLACE. CARRIED HIGH POPS FOR MCS AS IT TRACKS ACROSS THE FORECAST AREA THIS EVENING. EXPECT TONIGHT TO BE A WARM...MUGGY NIGHT. WILL NOT RULE OUT SCATTERED NOCTURNAL STORMS IN THIS AIRMASS...BUT DO NOT SEE MODEL AGREEMENT ON FEATURES TO ORGANIZE THE STORMS. GOING ON THE WARM SIDE OF GUIDANCE. && .SHORT TERM /THURSDAY NIGHT THROUGH FRIDAY/... EXITING COLD FRONT IS THE MAIN STORY THROUGH THE SHORT TERM. CURRENTLY HAVE THE BOUNDARY COMPLETELY EXITING THE SOUTHERN PORTION OF CWA BY MIDDAY FRI. HAVE PUSHED BACK TIMING A BIT TO INCORPORATE SLOWER SREF. SREF HAS GENERALLY BEEN SLOWER THAN THE NAM IN BRINGING DRIER AIRMASS IN BEHIND THE FRONT...AND TIMING OF THE 12Z NAM APPEARS TO BE NEARING THIS SOLUTION. ALTHOUGH MUCH OF THE PRECIPITATION IS EXPECTED TO BE CONCENTRATED AT OR NEAR THE FRONTAL BOUNDARY...KEPT SLIGHT CHANCE POPS IN BEHIND THE FRONT FOR THURS NIGHT INTO FRI MORNING. CERTAINLY NO COPIOUS MOISTURE WILL BE PRESENT IN THE POST FRONTAL ENVIRONMENT...BUT THERE MAYBE ENOUGH TO SPARK SOME WIDELY SCATTERED SHOWERS. COOLING AND DRYING WILL BE THE TREND HEADING INTO THE WEEKEND. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... STICKING WITH THE THEME OF DRY WEATHER IN THE EXTENDED. A SURFACE HIGH DRIFTS OVER OUR CWA FRI THROUGH SUN...AND WITH THE LOWERED DEWPOINTS EXPECTED...IT WILL BE A BEAUTIFUL AUGUST WEEKEND. EXPECTING TEMPS TO WARM BACK UP INTO THE 90S FOR THE START OF THE WORK WEEK AS THE 500MB RIDGE NOSES IN FROM THE SOUTHWEST AND THE HEAT CORE MOVES CLOSER. NEXT SYSTEM APPROACHES MIDDLE TO LATE NEXT WEEK...BUT WITH THIS BEING DAY 6-7...DON'T FEEL CONFIDENT ENOUGH IN GUIDANCE TO GO ANYTHING MORE THAN SLIGHT CHANCE. && .AVIATION /18Z WEDNESDAY THROUGH MONDAY/... 18Z WEDNESDAY THRU 18Z THURSDAY... CONVECTIVE COMPLEX WITH OUTFLOW BOUNDARIES TO SWEEP ACROSS MAINLY THE NORTHERN TIER OF THE FORECAST AREA THIS AFTERNOON. EXPECT AREAS OF IFR AND GUSTY WINDS INVOF OF CONVECTION. AFTER 00Z...GENERALLY BECOMING MVFR IN HAZE AND FOG...WITH CONVECTION INCREASING OVER OUR FAR NORTHWEST OHIO ZONES AFTER 06Z AS COLD FRONT VERY SLOWLY APPROACHES FORM THE WEST. FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 18Z THURSDAY... FORECAST CONFIDENCE: MEDIUM CONFIDENCE IN CONDITIONS LOWERING TO IFR IN PRECIPITATION LATE AFTERNOON AND TONIGHT IN AREAS OF CONVECTION. ALTERNATE SCENARIOS: TIMING AND EXTENT OF AFTERNOON CONVECTION MAY BE MORE WIDESPREAD IF AN UPPER DISTURBANCE MOVES OVER LEFT OVER BOUNDARIES. EXPERIMENTAL TABLE OF FLIGHT CATEGORY OBJECTIVELY SHOWS CONSISTENCY OF WFO FORECAST TO AVAILABLE MODEL INFORMATION: H = HIGH: TAF CONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL. M = MEDIUM: TAF HAS VARYING LEVEL OF CONSISTENCY WITH MODELS. L = LOW: TAF INCONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL. UTC 1HRLY 18 19 20 21 22 23 00 01 02 03 04 05 EDT 1HRLY 14 15 16 17 18 19 20 21 22 23 00 01 CRW CONSISTENCY H H H H M M M H H H M M HTS CONSISTENCY H H H M M M H H H H M M BKW CONSISTENCY H H H H H M M M H H H H EKN CONSISTENCY H H M M H H M M H H M M PKB CONSISTENCY H H H M M M M H H H M M CKB CONSISTENCY H H H H H M M M H H M M AFTER 18Z THURSDAY... IFR POSSIBLE IN CONVECTION THURSDAY. && .RLX WATCHES/WARNINGS/ADVISORIES... WV...NONE. OH...NONE. KY...NONE. VA...NONE. && SYNOPSIS...KMC/TAX NEAR TERM...KMC SHORT TERM...TAX LONG TERM...TAX AVIATION...KMC
Hazardous weather outlook, Aug 4, 2:25 PM EDT, 3 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON WV 225 PM EDT WED AUG 4 2010 KYZ101-103-OHZ066-067-075-076-083>087-WVZ006>011-014>020-027>032- 036>040-046-047-051830- GREENUP-BOYD-PERRY-MORGAN-ATHENS-WASHINGTON-JACKSON OH-VINTON-MEIGS- GALLIA-LAWRENCE OH-CABELL-MASON-JACKSON WV-WOOD-PLEASANTS-TYLER- PUTNAM-KANAWHA-ROANE-WIRT-CALHOUN-RITCHIE-DODDRIDGE-CLAY-BRAXTON- GILMER-LEWIS-HARRISON-TAYLOR-FAYETTE-NICHOLAS-WEBSTER-UPSHUR-BARBOUR- POCAHONTAS-RANDOLPH- 225 PM EDT WED AUG 4 2010 ...SEVERE THUNDERSTORM WATCH 567 IN EFFECT UNTIL 9 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST KENTUCKY...SOUTHEAST OHIO AND MUCH OF WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. KYZ102-105-VAZ003-004-WVZ005-013-024>026-033>035-051830- CARTER-LAWRENCE KY-DICKENSON-BUCHANAN-WAYNE-LINCOLN-MINGO-LOGAN- BOONE-MCDOWELL-WYOMING-RALEIGH- 225 PM EDT WED AUG 4 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST KENTUCKY...SOUTHWEST VIRGINIA...SOUTHERN WEST VIRGINIA AND WESTERN WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED.
In the hours before
Special weather statement, Aug 4, 4:46 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 446 PM EDT WED AUG 4 2010 KYZ102-103-105-042200- CARTER-BOYD-LAWRENCE KY- INCLUDING THE CITIES OF...GRAYSON...OLIVE HILL...ASHLAND...LOUISA 446 PM EDT WED AUG 4 2010 HERE IS A SPECIAL WEATHER STATEMENT FROM THE NATIONAL WEATHER SERVICE... NEAR 4:45 PM...SHOWERS AND THUNDERSTORMS WERE MOVING INTO WESTERN BOYD COUNTY FROM CARTER COUNTY. THIS INCLUDES A PORTION OF INTERSTATE 64. THIS CLUSTER OF SHOWERS AND THUNDERSTORMS WAS MOVING SOUTHEAST AROUND 25 MPH...TOWARD LAWRENCE COUNTY KENTUCKY. THIS WOULD INCLUDE THE LOUISA VICINITY. IN THE HEAT AND HUMID OF LATE THIS AFTERNOON...ANY OF THESE COOLING SHOWERS OR THUNDERSTORMS CAN CONTAIN A DOWNPOUR OF RAIN AND GUSTY WINDS. BRIEF STREET AND POOR DRAINAGE FLOODING IS POSSIBLE. ALSO...THUNDERSTORMS COULD CONTAIN A LOT OF CLOUD TO GROUND LIGHTNING. INCREASE YOUR WEATHER AWARENESS...BE READY TO MOVE INDOORS QUICKLY. KTB
Local storm report, Aug 4, 5:04 PM EDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WV
504 PM EDT WED AUG 04 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0435 PM TSTM WND DMG RIPLEY 38.82N 81.71W
08/04/2010 JACKSON WV LAW ENFORCEMENT
TREES DOWN, POWER OUTAGES, LINES DOWN, AND TRAFFIC LIGHTS
OUT THROUGHOUT THE COUNTY.
&&
ARBSpecial weather statement, Aug 4, 5:08 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 508 PM EDT WED AUG 4 2010 WVZ014-015-042215- PUTNAM-KANAWHA- INCLUDING THE CITIES OF...TEAYS VALLEY...HURRICANE...CHARLESTON... SOUTH CHARLESTON...SAINT ALBANS 508 PM EDT WED AUG 4 2010 HERE IS A SPECIAL WEATHER STATEMENT FROM THE NATIONAL WEATHER SERVICE... AT 5 O'CLOCK...SHOWERS AND THUNDERSTORMS WERE MOVING THROUGH PUTNAM COUNTY AND WESTERN AND NORTHERN PORTIONS OF KANAWHA COUNTY... INCLUDING SUCH COMMUNITIES AS ELEANOR...SAINT ALBANS...CROSS LANES...SISSONVILLE...AND CLENDENIN. IN THE HEAT AND HUMID OF LATE THIS AFTERNOON...ANY OF THESE COOLING SHOWERS AND THUNDERSTORMS CAN CONTAIN A DOWNPOUR OF RAIN AND WIND GUSTS AROUND 40 MPH. THIS MAY CAUSE SOME WEAK TREE DAMAGE. STREET AND POOR DRAINAGE FLOODING IS POSSIBLE. IF ANY PARTICULAR STORM PULSES TO A STRONGER LEVEL...A BRIEF SEVERE THUNDERSTORM WARNING MAY BE ISSUED. INCREASE YOUR WEATHER AWARENESS. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT. KTB
Local storm report, Aug 4, 5:18 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WV
518 PM EDT WED AUG 04 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0444 PM TSTM WND DMG 5 NW SPENCER 38.86N 81.42W
08/04/2010 ROANE WV LAW ENFORCEMENT
TREE DOWN ON PARKERSBURG RD.
&&
ARBLocal storm report, Aug 4, 5:19 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WV
519 PM EDT WED AUG 04 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0446 PM TSTM WND DMG SPENCER 38.80N 81.36W
08/04/2010 ROANE WV LAW ENFORCEMENT
MULTIPLE TREES DOWN IN TOWN.
&&
ARBLocal storm report, Aug 4, 5:21 PM EDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WV
521 PM EDT WED AUG 04 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0450 PM TSTM WND DMG 2 SE GANDEEVILLE 38.68N 81.37W
08/04/2010 ROANE WV LAW ENFORCEMENT
TREE DOWN ON CHARLESTON RD / RTE 119.
&&
ARBThe office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:23 PM EDT | Flash Flood Warning | RLX | Tyler | 90 min |
| Aug 4, 1:27 AM EDT | Special Weather Statement | RLX | Pocahontas | 63 min |
| Aug 4, 5:32 AM EDT | Special Weather Statement | RLX | Jackson, Mason, Pleasants, Ritchie, Wirt, Wood | 58 min |
| Aug 4, 7:00 AM EDT | Special Weather Statement | RLX | Clay, Kanawha, Nicholas, Webster | 60 min |
| Aug 4, 3:38 PM EDT | Severe Thunderstorm Warning | RLX | Jackson, Mason, Wood | 52 min |
| Aug 4, 4:29 PM EDT | Severe Thunderstorm Warning | RLX | Calhoun, Doddridge, Gilmer, Jackson, Lewis, Mason and 6 more | 61 min |
| Aug 4, 4:56 PM EDT | Severe Thunderstorm Warning | RLX | Barbour, Gilmer, Harrison, Lewis, Taylor, Upshur | 64 min |
| Aug 4, 5:46 PM EDT | Severe Thunderstorm Warning | RLX | Barbour, Braxton, Clay, Fayette, Kanawha, Nicholas and 3 more | 59 min |
| Aug 4, 6:24 PM EDT | Severe Thunderstorm Warning | RLX | Boone, Fayette, Kanawha, Lincoln, Logan, Mingo and 2 more | 66 min |
| Aug 4, 6:37 PM EDT | Special Weather Statement | RLX | Barbour, Randolph, Taylor, Upshur | 53 min |
| Aug 4, 7:37 PM EDT | Severe Thunderstorm Warning | RLX | McDowell, Wyoming | 38 min |
| Aug 4, 4:27 AM EDT | Special Weather Statement | RLX | Athens, Morgan, Perry, Vinton, Washington | 93 min |
| Aug 4, 5:45 AM EDT | Flash Flood Warning | RLX | Vinton | 2 hr |
| Aug 4, 1:42 PM EDT | Severe Thunderstorm Warning | RLX | Morgan, Perry | 63 min |
| Aug 4, 2:41 PM EDT | Severe Thunderstorm Warning | RLX | Athens, Morgan, Perry, Washington | 64 min |
| Aug 4, 4:10 PM EDT | Flash Flood Warning | RLX | Meigs, Vinton | 110 min |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2010Severe Thunderstorm Warnings in Ohio, 2010Severe Thunderstorm Warnings in Kentucky, 2010Every severe thunderstorm warning in 2010
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.