Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 30, NWS Blacksburg, VA

April 8, 2006Yadkin County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Apr 8, 2006, 5:49 AM EDT for Yadkin County, North Carolina. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 8, 2006, 5:49 AM EDT (09:49 UTC)
Expired: Apr 8, 2006, 6:06 AM EDT
In force: 17 min
Issued by: NWS Blacksburg, VA
Area: Counties, with a storm outline in the text

County Yadkin County, NC

The radar

The Roanoke radar (KFCX), 102 km from the middle of the area, began a volume at 09:49 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, 9.8 hours before the alert went out and 69 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: 2865 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 8, 3:56 AM EDT, 1 hour 53 minutes earlier.

Area forecast discussion, Apr 8, 3:56 AM EDT, 1 hour 53 minutes before

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Hazardous weather outlook, Apr 8, 4:18 AM EDT, 1 hour 31 minutes before

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In the hours before

Local storm report, Apr 7, 11:54 PM EDT, 5 hours 55 minutes before

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Local storm report, Apr 8, 2:32 AM EDT, 3 hours 17 minutes before

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Local storm report, Apr 8, 4:36 AM EDT, 1 hour 13 minutes before

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Special weather statement, Apr 8, 5:27 AM EDT, 22 minutes before

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Special weather statement, Apr 8, 5:27 AM EDT, 22 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
Apr 7, 8:17 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, City of Galax	43 min
Apr 7, 10:49 PM EDT	Severe Thunderstorm Warning	RNK	Grayson	56 min
Apr 7, 11:37 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, City of Galax	38 min
Apr 7, 11:15 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany	32 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2006 Every severe thunderstorm warning in 2006

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.