Alert archive / West Virginia / Special Weather Statements in 2017

Special Weather Statement, NWS Charleston, WV

March 1, 20174 states

NWS Charleston, WV issued this special weather statement at Mar 1, 2017, 11:34 PM EST for 4 states. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 1, 2017, 11:34 PM EST (04:34 UTC)
Expired: Mar 2, 2017, 2:30 AM EST
In force: 3 hr
Issued by: NWS Charleston, WV

All 50 counties

Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Buchanan County, VA, Dickenson County, VA, Barbour County, WV, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Marion County, WV, Mason County, WV, McDowell County, WV, Mingo County, WV, Nicholas County, WV, Pleasants County, WV, Pocahontas County, WV, Putnam County, WV, Raleigh County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 2 km from the middle of the area, began a volume at 04:36 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 00:00Z, 4.6 hours before the alert went out and 233 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Mar 1, 6:40 PM EST, 4 hours 54 minutes earlier.

Area forecast discussion, Mar 1, 6:40 PM EST, 4 hours 54 minutes before

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Hazardous weather outlook, Mar 1, 3:46 PM EST, 7 hours 48 minutes before

Hazardous Weather Outlook
National Weather Service Charleston WV
346 PM EST Wed Mar 1 2017

WVZ523-526-022100-
Northwest Pocahontas-Southeast Randolph-
346 PM EST Wed Mar 1 2017

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 8 AM EST
THURSDAY...

This Hazardous Weather Outlook is for portions of northeast 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.

   Wind Advisory.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
 conditions according to Standard Operating Procedures.

KYZ101>103-105-OHZ066-067-075-076-083>087-VAZ003-004-WVZ005>011-
013>020-024>034-039-040-515>522-524-525-022100-
Greenup-Carter-Boyd-Lawrence KY-Perry-Morgan-Athens-Washington-
Jackson OH-Vinton-Meigs-Gallia-Lawrence OH-Dickenson-Buchanan-Wayne-
Cabell-Mason-Jackson WV-Wood-Pleasants-Tyler-Lincoln-Putnam-Kanawha-
Roane-Wirt-Calhoun-Ritchie-Doddridge-Mingo-Logan-Boone-Clay-Braxton-
Gilmer-Lewis-Harrison-Taylor-McDowell-Wyoming-Upshur-Barbour-
Northwest Raleigh-Southeast Raleigh-Northwest Fayette-
Southeast Fayette-Northwest Nicholas-Southeast Nicholas-
Northwest Webster-Southeast Webster-Southeast Pocahontas-
Northwest Randolph-
346 PM EST Wed Mar 1 2017

This Hazardous Weather Outlook is for northeast Kentucky, southeast
Ohio, southwest Virginia, and portions of central West Virginia,
northeast West Virginia, northern West Virginia, southeast West
Virginia, southern West Virginia and western West Virginia.

.DAY ONE...This Afternoon and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
 conditions according to Standard Operating Procedures.

In the hours before

Special weather statement, Mar 1, 6:20 PM EST, 5 hours 14 minutes before

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Special weather statement, Mar 1, 6:49 PM EST, 4 hours 45 minutes before

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Special weather statement, Mar 1, 6:52 PM EST, 4 hours 42 minutes before

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Special weather statement, Mar 1, 7:29 PM EST, 4 hours 5 minutes before

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Local storm report, Mar 1, 8:47 PM EST, 2 hours 47 minutes before

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Special weather statement, Mar 1, 11:34 PM EST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 1, 7:29 PM EST	Special Weather Statement	RLX	Pocahontas	46 min
Mar 1, 8:12 PM EST	Areal Flood Warning	RLX	Pleasants, Ritchie, Tyler, Wirt, Wood	20 hr
Mar 1, 8:06 PM EST	Areal Flood Warning	RLX	Athens, Morgan, Perry, Vinton	9 hr
Mar 2, 5:07 AM EST	Areal Flood Warning	RLX	Athens, Morgan, Perry, Vinton	20 hr
Mar 2, 8:01 AM EST	Special Weather Statement	RLX	Lawrence	3 hr
Mar 2, 8:18 AM EST	Special Weather Statement	RLX	Athens, Meigs	3 hr
Mar 2, 11:02 AM EST	Special Weather Statement	RLX	Lawrence	28 min
Mar 2, 11:13 AM EST	River Flood Warning	RLX	Athens	22 hr
Mar 2, 12:56 PM EST	Special Weather Statement	RLX	Lawrence	3 hr
Mar 2, 1:05 PM EST	Special Weather Statement	RLX	Meigs	3 hr

Nearby

Special Weather Statements in West Virginia, 2017 Special Weather Statements in Ohio, 2017 Special Weather Statements in Kentucky, 2017 Every special weather statement in 2017

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.