Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 219, NWS Raleigh, NC

June 11, 2006Forsyth County, Guilford County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jun 11, 2006, 4:38 AM EDT for Forsyth County, Guilford County, North Carolina. It was in force for 52 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: Jun 11, 2006, 4:38 AM EDT (08:38 UTC)
Expired: Jun 11, 2006, 5:30 AM EDT
In force: 52 min
Issued by: NWS Raleigh, NC
Area: Counties, with a storm outline in the text

Counties Forsyth County, NC, Guilford County, NC

The radar

The Roanoke radar (KFCX), 105 km from the middle of the area, began a volume at 08:40 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, 8.6 hours before the alert went out and 11 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: 577 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1494 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 313 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 2:50 AM EDT, 1 hour 48 minutes earlier.

Area forecast discussion, Jun 11, 2:50 AM EDT, 1 hour 48 minutes before

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In the hours before

Special weather statement, Jun 11, 12:44 AM EDT, 3 hours 54 minutes before

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Special weather statement, Jun 11, 1:24 AM EDT, 3 hours 14 minutes before

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Special weather statement, Jun 11, 2:57 AM EDT, 1 hour 41 minutes before

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Special weather statement, Jun 11, 3:30 AM EDT, 1 hour 8 minutes before

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Special weather statement, Jun 11, 3:30 AM EDT, 1 hour 8 minutes before

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Special weather statement, Jun 11, 3:59 AM EDT, 39 minutes before

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The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 5:05 PM EDT	Severe Thunderstorm Warning	RAH	Forsyth	40 min
Jun 11, 5:13 PM EDT	Severe Thunderstorm Warning	RAH	Anson	32 min
Jun 11, 5:21 PM EDT	Severe Thunderstorm Warning	RAH	Forsyth	39 min
Jun 11, 5:35 PM EDT	Severe Thunderstorm Warning	RAH	Davidson	40 min
Jun 11, 5:56 PM EDT	Severe Thunderstorm Warning	RAH	Guilford	34 min
Jun 11, 6:19 PM EDT	Severe Thunderstorm Warning	RAH	Randolph	41 min
Jun 11, 6:29 PM EDT	Severe Thunderstorm Warning	RAH	Guilford	31 min
Jun 11, 6:30 PM EDT	Severe Thunderstorm Warning	RAH	Hoke	19 min
Jun 11, 6:39 PM EDT	Severe Thunderstorm Warning	RAH	Anson, Stanly	36 min
Jun 11, 7:04 PM EDT	Severe Thunderstorm Warning	RAH	Alamance	41 min
Jun 11, 7:27 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland	18 min
Jun 11, 7:48 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland	12 min
Jun 11, 7:55 PM EDT	Severe Thunderstorm Warning	RAH	Chatham	35 min
Jun 11, 7:59 PM EDT	Severe Thunderstorm Warning	RAH	Sampson	46 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.