Alert archive / West Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

July 31, 2012Raleigh County, West Virginia

NWS Charleston, WV issued this special weather statement at Jul 31, 2012, 2:31 PM EDT for Raleigh County, West Virginia. It was in force for 59 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 31, 2012, 2:31 PM EDT (18:31 UTC)
Expired: Jul 31, 2012, 3:30 PM EDT
In force: 59 min
Issued by: NWS Charleston, WV

County Raleigh County, WV

The radar

The Charleston,WV radar (KRLX), 88 km from the middle of the area, began a volume at 18:30 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, 6.5 hours before the alert went out and 153 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: 384 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 804 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 36 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 31, 1:30 PM EDT, 1 hour 1 minute earlier.

Area forecast discussion, Jul 31, 1:30 PM EDT, 1 hour 1 minute before

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Hazardous weather outlook, Jul 31, 2:23 AM EDT, 12 hours 8 minutes before

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In the hours before

Local storm report, Jul 31, 10:10 AM EDT, 4 hours 21 minutes before

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Local storm report, Jul 31, 10:14 AM EDT, 4 hours 17 minutes before

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Special weather statement, Jul 31, 1:00 PM EDT, 1 hour 31 minutes before

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Special weather statement, Jul 31, 2:11 PM EDT, 20 minutes before

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Special weather statement, Jul 31, 2:20 PM EDT, 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
220 PM EDT TUE JUL 31 2012

WVZ038-311900-
WEBSTER WV-
220 PM EDT TUE JUL 31 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN WEBSTER COUNTY...

AT 211 PM EDT...A STRONG THUNDERSTORM WAS LOCATED OVER WEBSTER
SPRINGS...MOVING EAST AT 15 MPH.

THIS STORM WILL PRODUCE HAIL UP TO NICKEL SIZE. VERY HEAVY RAIN WILL
FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND
QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS STORM WILL BE NEAR BERGOO AROUND 240 PM AND WANETA AROUND 300
PM.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

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

LAT...LON 3865 8028 3851 8019 3839 8048 3853 8054

13

Special weather statement, Jul 31, 2:31 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
231 PM EDT TUE JUL 31 2012

WVZ034-035-311930-
RALEIGH WV-WYOMING WV-
231 PM EDT TUE JUL 31 2012

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL WYOMING AND RALEIGH
COUNTIES...

AT 225 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 12 MILES SOUTHWEST
OF BECKLEY...MOVING NORTHEAST AT 15 MPH.

WIND GUSTS TO 30 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM. VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.

THIS STORM WILL BE NEAR SOPHIA AROUND 240 PM...CRAB ORCHARD AROUND
250 PM...MACARTHUR AROUND 300 PM...BEAVER AROUND 310 PM...STANAFORD
AROUND 320 PM AND PINEY VIEW AROUND 330 PM.

THIS WILL IMPACT THE FOLLOWING INTERSTATES...I-64 NEAR BECKLEY
BETWEEN MILE MARKERS 120 AND 136...THE WEST VIRGINIA TURNPIKE BETWEEN
MILE MARKERS 28 AND 52.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

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

LAT...LON 3772 8147 3789 8126 3788 8115 3776 8089
      3775 8092 3773 8089 3770 8093 3771 8097
      3764 8106 3761 8106 3758 8111 3759 8114
      3757 8119 3752 8120 3750 8123

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 8:25 PM EDT	Special Weather Statement	RLX	Roane	35 min
Jul 30, 8:30 PM EDT	Special Weather Statement	RLX	Pocahontas	45 min
Jul 30, 8:35 PM EDT	Severe Thunderstorm Warning	RLX	McDowell	42 min
Jul 31, 1:00 PM EDT	Special Weather Statement	RLX	Randolph	60 min
Jul 31, 2:11 PM EDT	Special Weather Statement	RLX	Fayette	49 min
Jul 31, 2:20 PM EDT	Special Weather Statement	RLX	Webster	40 min
Jul 31, 3:08 PM EDT	Special Weather Statement	RLX	Nicholas	67 min
Jul 31, 3:32 PM EDT	Special Weather Statement	RLX	Pocahontas	28 min
Jul 31, 3:43 PM EDT	Special Weather Statement	RLX	Fayette	47 min
Jul 31, 4:18 PM EDT	Special Weather Statement	RLX	McDowell, Wyoming	57 min
Jul 31, 4:22 PM EDT	Severe Thunderstorm Warning	RLX	McDowell, Wyoming	23 min
Jul 31, 4:28 PM EDT	Severe Thunderstorm Warning	RLX	Fayette	32 min
Jul 31, 4:32 PM EDT	Severe Thunderstorm Warning	RLX	Fayette, Kanawha	43 min
Jul 31, 4:44 PM EDT	Severe Thunderstorm Warning	RLX	McDowell, Wyoming	46 min
Jul 31, 5:04 PM EDT	Flash Flood Warning	RLX	McDowell, Wyoming	3 hr
Jul 31, 5:07 PM EDT	Flash Flood Warning	RLX	Fayette, Kanawha, Raleigh	113 min
Jul 31, 5:53 PM EDT	Flash Flood Warning	RLX	Braxton, Nicholas, Webster	2 hr
Jul 31, 6:32 PM EDT	Special Weather Statement	RLX	Boone	28 min
Jul 31, 7:24 PM EDT	Flash Flood Warning	RLX	Randolph	111 min
Jul 31, 7:58 PM EDT	Flash Flood Warning	RLX	Dickenson	2 hr

Nearby

Special Weather Statements in West Virginia, 2012 Every special weather statement in 2012

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.