Alert archive / Virginia / Special Weather Statements in 2017

Special Weather Statement, NWS Blacksburg, VA

July 5, 2017Charlotte County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 5, 2017, 2:15 PM EDT for Charlotte County, Virginia. It was in force for 60 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 5, 2017, 2:15 PM EDT (18:15 UTC)
Expired: Jul 5, 2017, 3:15 PM EDT
In force: 60 min
Issued by: NWS Blacksburg, VA

County Charlotte County, VA

The radar

The Raleigh/Durham radar (KRAX), 138 km from the middle of the area, began a volume at 18:17 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.3 hours before the alert went out and 149 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: 130 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 48 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 Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at Jul 5, 1:44 PM EDT, 31 minutes earlier.

Area forecast discussion, Jul 5, 1:44 PM EDT, 31 minutes before

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Hazardous weather outlook, Jul 5, 4:30 AM EDT, 9 hours 45 minutes before

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In the hours before

Local storm report, Jul 5, 9:01 AM EDT, 5 hours 14 minutes before

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Local storm report, Jul 5, 10:12 AM EDT, 4 hours 3 minutes before

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Special weather statement, Jul 5, 2:15 PM EDT, 0 minutes before

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The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 4, 8:28 PM EDT	Special Weather Statement	RNK	City of Lynchburg	62 min
Jul 5, 4:10 PM EDT	Special Weather Statement	RNK	Buckingham	50 min
Jul 5, 4:57 PM EDT	Special Weather Statement	RNK	Buckingham	48 min
Jul 5, 6:22 PM EDT	Special Weather Statement	RNK	City of Radford	23 min
Jul 5, 6:27 PM EDT	Special Weather Statement	RNK	Patrick	33 min
Jul 5, 6:35 PM EDT	Special Weather Statement	RNK	Floyd	25 min
Jul 5, 6:41 PM EDT	Special Weather Statement	RNK	Giles	34 min
Jul 5, 6:47 PM EDT	Special Weather Statement	RNK	Montgomery	28 min
Jul 5, 7:15 PM EDT	Special Weather Statement	RNK	Franklin	30 min
Jul 5, 7:27 PM EDT	Special Weather Statement	RNK	Craig, Roanoke, City of Roanoke, City of Salem	48 min
Jul 5, 7:50 PM EDT	Special Weather Statement	RNK	City of Martinsville	25 min
Jul 5, 7:55 PM EDT	Special Weather Statement	RNK	Patrick	35 min
Jul 4, 8:37 PM EDT	Special Weather Statement	RNK	Caswell	53 min
Jul 5, 5:47 PM EDT	Special Weather Statement	RNK	Ashe, Watauga	58 min
Jul 5, 6:52 PM EDT	Special Weather Statement	RNK	Stokes	23 min
Jul 5, 7:29 PM EDT	Special Weather Statement	RNK	Caswell, Rockingham	61 min
Jul 5, 7:39 PM EDT	Special Weather Statement	RNK	Greenbrier	36 min

Nearby

Special Weather Statements in Virginia, 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.