Alert archive / West Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Charleston, WV

July 11, 20114 counties in West Virginia

NWS Charleston, WV issued this special weather statement at Jul 11, 2011, 6:08 PM EDT for 4 counties in West Virginia. It was in force for 67 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 11, 2011, 6:08 PM EDT (22:08 UTC)
Expired: Jul 11, 2011, 7:15 PM EDT
In force: 67 min
Issued by: NWS Charleston, WV

Counties Boone County, WV, Fayette County, WV, Kanawha County, WV, Logan County, WV

The radar

The Charleston,WV radar (KRLX), 62 km from the middle of the area, began a volume at 22:09 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, 10.1 hours before the alert went out and 170 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: 664 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 77 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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 11, 2:41 PM EDT, 3 hours 27 minutes earlier.

Area forecast discussion, Jul 11, 2:41 PM EDT, 3 hours 27 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON WV
241 PM EDT MON JUL 11 2011

.SYNOPSIS...
A WEAK COLD FRONT PUSHES SOUTHWARD TONIGHT AND TUESDAY. ANOTHER COLD
FRONT PUSHES THROUGH ON WEDNESDAY. HIGH PRESSURE ON THURSDAY.

&&

.NEAR TERM /THROUGH TUESDAY/...
THUNDERSTORM COMPLEX PUSHES THROUGH THIS EVENING. HIGH
CAPES...GOOD SHEAR...AND INSTABILITY WILL COMBINE TO ALLOW
SUSTAINMENT OF MCS AS IT TRANSITIONS SWD ACROSS THE CWA. EXPECT
THIS SYSTEM TO BE MAINLY A WIND AND LIGHTNING PRODUCER...WITH
LOCALLY HEAVY DOWNPOURS. FREEZING LEVELS REMAIN QUITE HIGH...UP
AROUND 15KFT AND MAY KEEP HAIL FROM GETTING TOO LARGE. TRENDED
TOWARDS CAT POPS FOR THE EARLY HOURS OF THE PD. LATER TONIGHT...
COLD FRONT SWEEPS THROUGH BRINGING ANOUTHER ROUND OF SHOWERS.

FOR TEMPS...SPLIT THE DIFFERENCE BETWEEN THE MAV AND MET GUIDANCE
WHICH IS ABOUTH WITH BC GRIDS HAVE BEEN ADVERTIZING.

&&

.SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY/...
TRIMMED BACK POPS TUES NIGHT INTO WEDS MORNING AS THE COLD FRONT
WILL PUSH SOUTH...CLEARING OUR SOUTHERN COUNTIES BY 12Z WEDS. KEEP
POPS IN FOR WEDS AFTERNOON AS THE UPPER TROUGH SWINGS THROUGH WITH A
500MB VORT MAX. VERY LIMITED MOISTURE IN THE POST FRONT ENVIRONMENT
SHOULD LIMIT THE SHOWERS AND THUNDERSTORMS...BUT KEPT CHC POPS IN
ALONG THE MAIN FORCING TO THE NORTH...AND IN THE SOUTH WHERE THERE
IS A LITTLE MORE MOISTURE AVAILABILITY. AS UPPER TROUGH SWINGS
THROUGH...POPS QUICKLY ERODE AS MOISTURE IN THE COLUMN DRIES UP.
KEEP TEMPS NEAR GUIDANCE AS TEMPERATURES DROP BACK TO NEAR NORMAL.

&&

.LONG TERM /THURSDAY NIGHT THROUGH SUNDAY/...
HPC FORECAST GENERALLY FOLLOWED...WITH SOME TWEAKS.

SURFACE HIGH PRESSURE WILL PUSH EAST EARLY IN THE PERIOD.  AS A
RESULT...TEMPERATURES EARLY SHOULD BE COOLER...WITH READINGS
RETURNING TO NORMAL LATER IN THE PERIOD.

MAIN QUESTION FOR THIS PERIOD IS NORTHWEST FLOW EARLY IN THE
PERIOD...WITH THE UPPER RIDGE BUILDING EAST ACROSS THE AREA.
BECAUSE OF THIS...MAINTAINED HPC CHANCE/SLIGHT CHANCE POPS.  POPS
SHOULD BE SOMEWHAT DIURNAL IN NATURE.

&&

.AVIATION /19Z MONDAY THROUGH SATURDAY/...
VFR CONDITIONS PREVAIL THROUGH THE LATE AFTERNOON HOURS. MCS OVER
CENTRAL OH TO TRANSITION SWD ACROSS THE FORECAST AREA THIS EVENING
BRINGING REDUCED VSBYS AND LOWERD CIGS...ALONG WITH BRIEF GUSTY
WINDS IN CONVECTION. TRIED TO TIME FEATURE ACROSS THE KPKB
TONIGHT...WITH EASTWARD TRANSITION DURING THE EVENING HOURS.

WAVE MOVES THRU BY 06Z WITH SFC FRONT POISED SAY SE INTO AREA
06-12Z. MAY SEE ANOTHER ROUND OF CONVECTION WITH THIS GIVEN UPR
LEVEL SUPPORT.

RIVER AND VALLEY SHOULD REDEVELOP DURING THE MORNING HOURS.

FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 18Z TUESDAY...

FORECAST CONFIDENCE: MEDIUM

ALTERNATE SCENARIOS: CONVECTION OVER NRN WV MAY CAUSE BRIEF IFR
CONDITIONS AND EXTEND FURTHER SOUTH THEN FORECAST AND RIVER-VALLEY
FOG MAY BE MORE WIDESPREAD DURING THE MORNING HOURS.

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    H    H    H    H    H    H    H    H
HTS CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    M
BKW CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H
EKN CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H
PKB CONSISTENCY  H    H    H    H    H    H    H    H    H    M    H    M
CKB CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H

AFTER 18Z TUESDAY...
IFR CONDITIONS IN CONVECTION POSSIBLE TUESDAY AND WEDNESDAY.

&&

.RLX WATCHES/WARNINGS/ADVISORIES...
WV...NONE.
OH...NONE.
KY...NONE.
VA...NONE.

&&

SYNOPSIS...KMC/JSH/TAX
NEAR TERM...KMC
SHORT TERM...TAX
LONG TERM...JSH
AVIATION...KMC

Hazardous weather outlook, Jul 11, 6:07 PM EDT, 1 minute before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
607 PM EDT MON JUL 11 2011

KYZ101>103-105-OHZ087-WVZ005-006-013>015-024>028-032-036>040-046-047-
122215-
GREENUP-CARTER-BOYD-LAWRENCE-WAYNE-CABELL-LINCOLN-PUTNAM-KANAWHA-
MINGO-LOGAN-BOONE-CLAY-BRAXTON-TAYLOR-FAYETTE-NICHOLAS-WEBSTER-
UPSHUR-BARBOUR-POCAHONTAS-RANDOLPH-
607 PM EDT MON JUL 11 2011

...SEVERE THUNDERSTORM WATCH 628 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST
KENTUCKY...SOUTHEAST OHIO AND MUCH OF WEST VIRGINIA.

.DAY ONE...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...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

OHZ066-067-075-076-083>086-VAZ003-004-WVZ007>011-016>020-029>031-
033>035-122215-
PERRY-MORGAN-ATHENS-WASHINGTON-JACKSON-VINTON-MEIGS-GALLIA-DICKENSON-
BUCHANAN-MASON-WOOD-PLEASANTS-TYLER-ROANE-WIRT-CALHOUN-RITCHIE-
DODDRIDGE-GILMER-LEWIS-HARRISON-MCDOWELL-WYOMING-RALEIGH-
607 PM EDT MON JUL 11 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OHIO...SOUTHWEST
VIRGINIA AND MUCH OF WEST VIRGINIA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jul 11, 5:48 PM EDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WEST VIRGINIA
548 PM EDT MON JUL 11 2011

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0506 PM     TSTM WND DMG     SAINT MARYS             39.37N 81.14W
07/11/2011                   PLEASANTS          WV   PUBLIC

            STRUCTURAL DAMAGE.
            EVENT OCCURRED BETWEEN
            436 PM 07/11/2011 AND 506 PM 07/11/2011

&&

NNNN

Local storm report, Jul 11, 5:49 PM EDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON, WV
549 PM EDT MON JUL 11 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0424 PM     TSTM WND DMG     ST. MARYS               39.40N  81.20W
07/11/2011                   PLEASANTS          WV   PUBLIC

            TREES UPROOTED. ROOF TAKEN OFF HOUSE.

&&

EVENT NUMBER RLX1100782

JSH

Special weather statement, Jul 11, 5:51 PM EDT, 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
551 PM EDT MON JUL 11 2011

WVZ037>040-046-047-112245-
BARBOUR WV-NICHOLAS WV-POCAHONTAS WV-RANDOLPH WV-UPSHUR WV-WEBSTER WV-
551 PM EDT MON JUL 11 2011

...STRONG THUNDERSTORMS WILL AFFECT EASTERN BARBOUR...EASTERN
NICHOLAS...POCAHONTAS...RANDOLPH...SOUTHEASTERN UPSHUR AND WEBSTER
COUNTIES...

AT 546 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 10 MILES
EAST OF GRAFTON TO 14 MILES SOUTHWEST OF ELKINS TO 12 MILES SOUTH OF
SUTTON TO 10 MILES NORTH OF SUMMERSVILLE...MOVING SOUTHEAST AT 40
MPH.

WIND GUSTS TO 55 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THESE
STORMS. VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.

THESE STORMS WILL BE NEAR CANVAS...CALVIN...KERENS...AND WEBSTER
SPRINGS AROUND 600 PM...NETTIE...WANETA...BERGOO...AND UPPER GLADE
AROUND 605 PM...BOWDEN AND MONTERVILLE AROUND 610 PM.

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3892 7937 3889 7951 3878 7950 3866 7962
      3843 7968 3818 7991 3806 7997 3804 8027
      3812 8037 3822 8037 3826 8043 3811 8067
      3840 8093 3854 8050 3885 8014 3931 7990
      3923 7980 3913 7983 3904 7977 3896 7935

26

Local storm report, Jul 11, 5:53 PM EDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WEST VIRGINIA
553 PM EDT MON JUL 11 2011

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0420 PM     TSTM WND DMG     SISTERSVILLE            39.55N 80.95W
07/11/2011                   TYLER              WV   PUBLIC

            TREES DOWN.

&&

NNNN

Special weather statement, Jul 11, 6:03 PM EDT, 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
603 PM EDT MON JUL 11 2011

KYZ101>103-105-OHZ087-WVZ005-006-013-014-024-025-112300-
BOYD KY-CABELL WV-CARTER KY-GREENUP KY-LAWRENCE OH-LAWRENCE KY-
LINCOLN WV-LOGAN WV-MINGO WV-PUTNAM WV-WAYNE WV-
603 PM EDT MON JUL 11 2011

...STRONG THUNDERSTORMS WILL AFFECT BOYD...CARTER...GREENUP...
LAWRENCE...LINCOLN...NORTHWESTERN LOGAN...NORTHWESTERN MINGO...
SOUTHERN CABELL...SOUTHWESTERN LAWRENCE...SOUTHWESTERN PUTNAM AND
WAYNE COUNTIES...

AT 600 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 3 MILES
SOUTHEAST OF HAMLIN TO 7 MILES NORTHEAST OF YATESVILLE LAKE STATE
PARK TO 19 MILES NORTHWEST OF CARTER CAVES STATE PARK...MOVING
SOUTHWEST AT 35 MPH.

WIND GUSTS TO 55 MPH AND HAIL UP TO NICKEL SIZE ARE POSSIBLE WITH
THESE STORMS. VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL
CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND
SMALL STREAMS.

THESE STORMS WILL BE NEAR PALERMO...SPURLOCKVILLE...MUD...AND
HITCHINS AROUND 610 PM...GRAHN...WILLARD...WEBBVILLE...AND YATESVILLE
LAKE STATE PARK AROUND 615 PM...RANGER AND GILL AROUND 620 PM.

THIS WILL IMPACT THE FOLLOWING INTERSTATES...I-64 BETWEEN MILE
MARKERS 150 AND 191 IN KENTUCKY...AND BETWEEN MILE MARKERS 1 AND 12
IN WEST VIRGINIA.

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3834 8324 3873 8303 3876 8289 3859 8284
      3858 8282 3865 8277 3841 8255 3835 8191
      3779 8203 3783 8241 3795 8252 3788 8263
      3799 8294 3796 8300 3800 8303 3817 8292
      3826 8318 3825 8320 3819 8327 3832 8334

26

Special weather statement, Jul 11, 6:08 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
608 PM EDT MON JUL 11 2011

WVZ013>015-025>027-035>037-112315-
BOONE WV-CLAY WV-FAYETTE WV-KANAWHA WV-LINCOLN WV-LOGAN WV-
NICHOLAS WV-PUTNAM WV-RALEIGH WV-
608 PM EDT MON JUL 11 2011

...STRONG THUNDERSTORMS WILL AFFECT BOONE...EASTERN LINCOLN...
FAYETTE...NORTHERN LOGAN...NORTHERN RALEIGH...SOUTH CENTRAL PUTNAM...
SOUTHERN CLAY...SOUTHERN KANAWHA AND WESTERN NICHOLAS COUNTIES...

AT 605 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 9 MILES
NORTHWEST OF SUMMERSVILLE TO 12 MILES EAST OF CHARLESTON TO 9 MILES
SOUTHWEST OF NITRO...MOVING SOUTHEAST AT 25 MPH.

WIND GUSTS TO 55 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THESE
STORMS. VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.

THESE STORMS WILL BE NEAR BENTREE...POND GAP...YAWKEY...AND
GRIFFITHSVILLE AROUND 620 PM...SOD...DRENNAN...SPURLOCKVILLE...AND
SUMMERSVILLE AROUND 630 PM...WOODVILLE AND ALKOL AROUND 635 PM.

THIS WILL IMPACT THE FOLLOWING INTERSTATES...I-64 BETWEEN MILE
MARKERS 52 AND 57 IN WEST VIRGINIA...I-77 BETWEEN MILE MARKERS 96 AND
103 IN WEST VIRGINIA...THE WEST VIRGINIA TURNPIKE BETWEEN MILE
MARKERS 48 AND 95.

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3835 8200 3843 8092 3811 8065 3808 8070
      3810 8084 3809 8088 3806 8086 3806 8080
      3804 8082 3803 8079 3799 8077 3794 8080
      3783 8123 3776 8207

26

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 3:26 PM EDT	Special Weather Statement	RLX	Wood	64 min
Jul 11, 4:05 PM EDT	Special Weather Statement	RLX	Doddridge, Pleasants, Ritchie, Tyler, Wirt, Wood	55 min
Jul 11, 4:12 PM EDT	Special Weather Statement	RLX	Jackson, Mason, Putnam, Roane	63 min
Jul 11, 5:03 PM EDT	Special Weather Statement	RLX	Barbour, Calhoun, Gilmer, Harrison, Lewis, Taylor and 1 more	57 min
Jul 11, 5:12 PM EDT	Special Weather Statement	RLX	Braxton, Cabell, Clay, Kanawha, Lincoln, Nicholas and 2 more	63 min
Jul 11, 5:43 PM EDT	Areal Flood Warning	RLX	Cabell	78 min
Jul 11, 5:51 PM EDT	Special Weather Statement	RLX	Nicholas, Pocahontas, Randolph, Webster	54 min
Jul 11, 6:03 PM EDT	Special Weather Statement	RLX	Lincoln, Wayne	57 min
Jul 11, 6:46 PM EDT	Special Weather Statement	RLX	Logan, McDowell, Mingo, Raleigh, Wyoming	59 min
Jul 11, 7:46 PM EDT	Special Weather Statement	RLX	McDowell	59 min
Jul 11, 2:28 PM EDT	Special Weather Statement	RLX	Perry	62 min
Jul 11, 2:46 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Morgan, Perry	59 min
Jul 11, 7:10 PM EDT	Special Weather Statement	RLX	Boyd, Carter, Lawrence	65 min

Nearby

Special Weather Statements in West Virginia, 2011 Every special weather statement in 2011

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.