Alert archive / West Virginia / Special Weather Statements in 2020

Special Weather Statement, NWS Charleston, WV

June 11, 2020Upshur County, West Virginia

NWS Charleston, WV issued this special weather statement at Jun 11, 2020, 12:46 AM EDT for Upshur County, West Virginia. It was in force for 29 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: Jun 11, 2020, 12:46 AM EDT (04:46 UTC)
Expired: Jun 11, 2020, 1:15 AM EDT
In force: 29 min
Issued by: NWS Charleston, WV

County Upshur County, WV

The radar

The Charleston,WV radar (KRLX), 143 km from the middle of the area, began a volume at 04:45 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

Pittsburgh, PA (KPIT), launched 00:00Z, 4.8 hours before the alert went out and 180 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: 1006 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 8.4

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 Jun 10, 10:04 PM EDT, 2 hours 42 minutes earlier.

Area forecast discussion, Jun 10, 10:04 PM EDT, 2 hours 42 minutes before

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Hazardous weather outlook, Jun 10, 10:55 PM EDT, 1 hour 51 minutes before

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In the hours before

Special weather statement, Jun 10, 10:38 PM EDT, 2 hours 8 minutes before

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Local storm report, Jun 10, 10:41 PM EDT, 2 hours 5 minutes before

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Special weather statement, Jun 10, 11:19 PM EDT, 1 hour 27 minutes before

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Local storm report, Jun 11, 12:38 AM EDT, 8 minutes before

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Local storm report, Jun 11, 12:39 AM EDT, 7 minutes before

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Special weather statement, Jun 11, 12:46 AM EDT, 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
Jun 10, 8:05 PM EDT	Severe Thunderstorm Warning	RLX	Wayne	40 min
Jun 10, 8:43 PM EDT	Tornado Warning	RLX	Mason	32 min
Jun 10, 8:47 PM EDT	Severe Thunderstorm Warning	RLX	Wayne	28 min
Jun 10, 9:08 PM EDT	Severe Thunderstorm Warning	RLX	Jackson, Mason, Wood	22 min
Jun 10, 9:14 PM EDT	Severe Thunderstorm Warning	RLX	Lincoln, Wayne	46 min
Jun 10, 9:19 PM EDT	Special Weather Statement	RLX	Jackson, Mason	26 min
Jun 10, 9:29 PM EDT	Severe Thunderstorm Warning	RLX	Ritchie, Wirt, Wood	31 min
Jun 10, 9:40 PM EDT	Severe Thunderstorm Warning	RLX	Kanawha, Lincoln, Putnam	35 min
Jun 10, 9:55 PM EDT	Severe Thunderstorm Warning	RLX	Pleasants, Ritchie, Tyler, Wood	50 min
Jun 10, 10:38 PM EDT	Special Weather Statement	RLX	Calhoun, Roane	37 min
Jun 10, 11:19 PM EDT	Special Weather Statement	RLX	Fayette, Raleigh	26 min
Jun 11, 1:18 AM EDT	Special Weather Statement	RLX	Randolph	27 min
Jun 10, 8:08 PM EDT	Tornado Warning	RLX	Athens, Meigs	14 min
Jun 10, 8:16 PM EDT	Tornado Warning	RLX	Gallia, Jackson, Lawrence	29 min
Jun 10, 8:35 PM EDT	Tornado Warning	RLX	Lawrence	9 min
Jun 10, 9:49 PM EDT	Special Weather Statement	RLX	Buchanan, Dickenson	41 min

Nearby

Special Weather Statements in West Virginia, 2020 Every special weather statement in 2020

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.