Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 446, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Oct 11, 2006, 11:45 PM EDT for Guilford 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
- Oct 11, 2006, 11:45 PM EDT (03:45 UTC)
- Expired
- Oct 12, 2006, 12:02 AM EDT
- In force
- 17 min
- Issued by
- NWS Raleigh, NC
- Area
- Counties, with a storm outline in the text
County Guilford County, NC
The radar
The Roanoke radar (KFCX), 114 km from the middle of the area, began a volume at 03:45 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, 3.8 hours before the alert went out and 10 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.
- Mixed-layer CAPE
- 128 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
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 Oct 11, 11:33 PM EDT, 12 minutes earlier.
Area forecast discussion, Oct 11, 11:33 PM EDT, 12 minutes before
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</html>Hazardous weather outlook, Oct 11, 4:04 AM EDT, 19 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RALEIGH NC 404 AM EDT WED OCT 11 2006 NCZ007>011-021>028-038>043-073>078-083>086-088-089-120815- 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- 404 AM EDT WED OCT 11 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED OVER THE AREA THIS AFTERNOON INTO EARLY TONIGHT... AS AN UPPER LEVEL DISTURBANCE AND WEAK SURFACE TROUGH PASS THROUGH. NO WIDESPREAD HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A STRONG COLD FRONT WILL DROP THROUGH THE AREA THURSDAY NIGHT... AND A MUCH COLDER AIR MASS WILL BUILD IN FROM THE WEST. PATCHY FROST MAY OCCUR SATURDAY AND SUNDAY MORNINGS IN LOW LYING PORTIONS OF THE WESTERN PIEDMONT. OTHERWISE... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TO BE NEEDED TODAY OR TONIGHT. GIH
In the hours before
Special weather statement, Oct 11, 8:59 PM EDT, 2 hours 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 859 PM EDT WED OCT 11 2006 NCZ021-022-038-039-120200- FORSYTH-GUILFORD-DAVIDSON-RANDOLPH- INCLUDING THE CITIES OF...WINSTON-SALEM...GREENSBORO... HIGH POINT...LEXINGTON...ASHEBORO 859 PM EDT WED OCT 11 2006 AN AREA OF SHOWERS AND THUNDERSTORMS MOVING TO THE NORTHEAST NEAR 35 MPH WILL AFFECT PORTIONS OF THE NORTHWEST PIEDMONT THROUGH 10 PM. THESE STORMS MAY CONTAIN GUSTY WINDS UP TO 40 MPH... SMALL HAIL... HEAVY RAIN.... AND DANGEROUS CLOUD TO GROUND LIGHTNING. LOCATIONS TO BE IMPACTED INCLUDE... WINSTON-SALEM... GREENSBORO... LEXINGTON... AND ASHEBORO. IF YOU SEE LIGHTNING OR HEAR THUNDER... TAKE SHELTER IMMEDIATELY. BSD
Special weather statement, Oct 11, 8:59 PM EDT, 2 hours 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 859 PM EDT WED OCT 11 2006 NCZ021-022-038-039-120200- FORSYTH-GUILFORD-DAVIDSON-RANDOLPH- INCLUDING THE CITIES OF...WINSTON-SALEM...GREENSBORO... HIGH POINT...LEXINGTON...ASHEBORO 859 PM EDT WED OCT 11 2006 AN OF SCATTERED SHOWERS AND THUNDERSTORMS MOVING TO THE NORTHEAST NEAR 35 MPH WILL AFFECT PORTIONS OF THE NORTHWEST PIEDMONT THROUGH 10 PM. THESE STORMS MAY CONTAIN GUSTY WINDS UP TO 40 MPH... SMALL HAIL... HEAVY RAIN.... AND DANGEROUS CLOUD TO GROUND LIGHTNING. LOCATIONS TO BE IMPACTED INCLUDE... WINSTON-SALEM... GREENSBORO... LEXINGTON... AND ASHEBORO. IF YOU SEE LIGHTNING OR HEAR THUNDER... TAKE SHELTER IMMEDIATELY. BSD
Local storm report, Oct 11, 10:15 PM EDT, 1 hour 30 minutes before
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</html>Special weather statement, Oct 11, 10:37 PM EDT, 1 hour 8 minutes before
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</html>The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 9:55 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth | 50 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2006Every 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.