Alert archive / North Carolina / Special Weather Statements in 2017

Special Weather Statement, NWS Blacksburg, VA

July 3, 2017Stokes County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Jul 3, 2017, 9:45 PM EDT for Stokes County, North Carolina. 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 3, 2017, 9:45 PM EDT (01:45 UTC)
Expired: Jul 3, 2017, 10:45 PM EDT
In force: 60 min
Issued by: NWS Blacksburg, VA

County Stokes County, NC

The radar

The Roanoke radar (KFCX), 81 km from the middle of the area, began a volume at 01:45 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.8 hours before the alert went out and 31 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: 526 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1478 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 3, 9:34 PM EDT, 11 minutes earlier.

Area forecast discussion, Jul 3, 9:34 PM EDT, 11 minutes before

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Hazardous weather outlook, Jul 3, 3:28 PM EDT, 6 hours 17 minutes before

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In the hours before

Special weather statement, Jul 3, 7:13 PM EDT, 2 hours 32 minutes before

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Special weather statement, Jul 3, 8:10 PM EDT, 1 hour 35 minutes before

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Special weather statement, Jul 3, 9:05 PM EDT, 40 minutes before

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Special weather statement, Jul 3, 9:25 PM EDT, 20 minutes before

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Special weather statement, Jul 3, 9:45 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 3, 8:10 PM EDT	Special Weather Statement	RNK	Carroll	50 min
Jul 3, 9:05 PM EDT	Special Weather Statement	RNK	Patrick	55 min
Jul 4, 2:44 PM EDT	Special Weather Statement	RNK	Halifax	61 min
Jul 4, 3:24 PM EDT	Areal Flood Advisory	RNK	Halifax	2 hr
Jul 4, 5:29 PM EDT	Special Weather Statement	RNK	Carroll	61 min
Jul 4, 5:34 PM EDT	Special Weather Statement	RNK	Pittsylvania	56 min
Jul 4, 5:38 PM EDT	Special Weather Statement	RNK	Floyd	67 min
Jul 4, 5:48 PM EDT	Special Weather Statement	RNK	City of Roanoke	57 min
Jul 4, 5:57 PM EDT	Severe Thunderstorm Warning	RNK	Floyd, Patrick	51 min
Jul 4, 6:18 PM EDT	Special Weather Statement	RNK	Pittsylvania	57 min
Jul 4, 6:40 PM EDT	Special Weather Statement	RNK	City of Radford	65 min
Jul 4, 6:55 PM EDT	Special Weather Statement	RNK	Campbell	65 min
Jul 4, 7:02 PM EDT	Special Weather Statement	RNK	Pulaski	58 min
Jul 4, 7:12 PM EDT	Areal Flood Advisory	RNK	Appomattox	6 hr
Jul 4, 7:22 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Campbell, Charlotte	53 min
Jul 4, 7:45 PM EDT	Areal Flood Advisory	RNK	Appomattox, Campbell, Charlotte	6 hr
Jul 3, 9:25 PM EDT	Special Weather Statement	RNK	Ashe	65 min
Jul 4, 3:54 PM EDT	Special Weather Statement	RNK	Surry	66 min
Jul 4, 4:46 PM EDT	Areal Flood Advisory	RNK	Surry	3 hr

Nearby

Special Weather Statements in North Carolina, 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.