Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 63, NWS Raleigh, NC

April 22, 2006Guilford County, Randolph County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 22, 2006, 6:04 AM EDT for Guilford County, Randolph County, North Carolina. It was in force for 56 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 22, 2006, 6:04 AM EDT (10:04 UTC)
Expired: Apr 22, 2006, 7:00 AM EDT
In force: 56 min
Issued by: NWS Raleigh, NC
Area: Counties, with a storm outline in the text

Counties Guilford County, NC, Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 121 km from the middle of the area, began a volume at 10:07 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, 10.1 hours before the alert went out and 23 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: 348 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1121 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 320 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.7

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 Apr 22, 3:04 AM EDT, 3 hours earlier.

Area forecast discussion, Apr 22, 3:04 AM EDT, 3 hours before

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Hazardous weather outlook, Apr 22, 4:35 AM EDT, 1 hour 29 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
435 AM EDT SAT APR 22 2006

NCZ007>011-021>028-038>043-073>078-083>086-088-089-230845-
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE-
ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-
WAKE-JOHNSTON-WILSON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-
ANSON-RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
435 AM EDT SAT APR 22 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL NORTH
CAROLINA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL BECOME WIDESPREAD DURING THE DAY.
THERE IS A SLIGHT CHANCE OF THUNDERSTORMS BECOMING SEVERE. THE
PRIMARY THREAT FROM ANY SEVERE THUNDERSTORM...IN ADDITION TO
LIGHTNING...WILL BE WIND GUSTS TO 70 MPH AND HAIL TO NICKEL SIZE.
THE THREAT FOR SEVERE STORMS WILL DIMINISH BY 6 PM OVER THE
WESTERN PIEDMONT...AND WILL PRIMARILY BE BETWEEN 1 PM AND 8 PM
OVER THE CENTRAL AND EASTERN PIEDMONT...SANDHILLS...AND COASTAL
PLAIN.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY INTO THIS EVENING.

DJF

In the hours before

Special weather statement, Apr 22, 4:24 AM EDT, 1 hour 40 minutes before

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Special weather statement, Apr 22, 5:30 AM EDT, 34 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
Apr 22, 5:19 AM EDT	Severe Thunderstorm Warning	RAH	Davidson, Forsyth	56 min
Apr 22, 12:10 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston	35 min
Apr 22, 12:35 PM EDT	Severe Thunderstorm Warning	RAH	Wake	25 min
Apr 22, 12:49 PM EDT	Severe Thunderstorm Warning	RAH	Franklin	41 min
Apr 22, 12:58 PM EDT	Severe Thunderstorm Warning	RAH	Wake	32 min
Apr 22, 1:04 PM EDT	Severe Thunderstorm Warning	RAH	Vance	26 min
Apr 22, 1:27 PM EDT	Severe Thunderstorm Warning	RAH	Vance, Warren	33 min
Apr 22, 4:43 PM EDT	Severe Thunderstorm Warning	RAH	Randolph	32 min
Apr 22, 5:17 PM EDT	Severe Thunderstorm Warning	RAH	Randolph	43 min
Apr 22, 5:28 PM EDT	Severe Thunderstorm Warning	RAH	Stanly	47 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.