Alert archive / North Carolina / Wind Advisories in 2011

Wind Advisory 1, NWS Raleigh, NC

February 14, 201125 counties in North Carolina

NWS Raleigh, NC issued this wind advisory at Feb 14, 2011, 3:59 AM EST for 25 counties in North Carolina. It took effect at Feb 14, 2011, 12:00 PM EST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 14, 2011, 3:59 AM EST (08:59 UTC)
In effect from
Feb 14, 2011, 12:00 PM EST
Expired
Feb 14, 2011, 6:02 PM EST
In force
6 hr
Issued by
NWS Raleigh, NC
All 25 counties

Alamance County, NC, Chatham County, NC, Davidson County, NC, Durham County, NC, Edgecombe County, NC, Forsyth County, NC, Franklin County, NC, Granville County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Stanly County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 44 km from the middle of the area, began a volume at 09:04 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, 9.0 hours before the alert went out and 92 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2011-02-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2011-02-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2831 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

497 
WWUS72 KRAH 140859
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
359 AM EST MON FEB 14 2011

...STRONG WEST WINDS WILL AFFECT MOST OF CENTRAL NORTH
CAROLINA...

.STRONG LOW PRESSURE OVER SOUTHEAST CANADA AND HIGH PRESSURE OVER
THE NE GULF OF MEXICO WILL RESULT IN STRONG WESTERLY WINDS ACROSS
MOST OF CENTRAL NORTH CAROLINA TODAY THROUGH EARLY EVENING.
SUSTAINED WINDS 15 TO 22 MPH WILL GUST AT TIMES TO AROUND 40 MPH.
THE STRONGEST GUSTS WILL OCCUR BETWEEN MID AFTERNOON THROUGH EARLY
EVENING.

NCZ007>011-021>028-038>043-073>078-142100-
/O.NEW.KRAH.WI.Y.0001.110214T1700Z-110215T0200Z/
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-
INCLUDING THE CITIES OF...ROXBORO...OXFORD...HENDERSON...
WARRENTON...ROANOKE RAPIDS...WINSTON-SALEM...GREENSBORO...
HIGH POINT...BURLINGTON...CHAPEL HILL...DURHAM...LOUISBURG...
NASHVILLE...ROCKY MOUNT...LEXINGTON...ASHEBORO...PITTSBORO...
RALEIGH...SMITHFIELD...WILSON...ALBEMARLE...TROY...
SOUTHERN PINES...SANFORD...LILLINGTON...GOLDSBORO
359 AM EST MON FEB 14 2011

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM EST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM EST THIS
EVENING. 

* TIMING: GUSTY WESTERLY WINDS WILL AFFECT THE REGION THIS
  AFTERNOON THROUGH EARLY EVENING WITH THE STRONGEST GUSTS
  OCCURRING BETWEEN 3 PM AND 7 PM.

* WINDS: WIND GUSTS BETWEEN 35 AND 45 MPH LIKELY.

* IMPACTS: WINDS OF THIS MAGNITUDE WILL DOWN TREES AND NUMEROUS
  TREE BRANCHES. SPORADIC POWER OUTAGES ARE PROBABLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT STRONG GUSTY WINDS ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
3 follow-up statements
899 
WWUS72 KRAH 141557
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
1057 AM EST MON FEB 14 2011

...STRONG WEST WINDS WILL AFFECT MOST OF CENTRAL NORTH CAROLINA...

.STRONG LOW PRESSURE OVER SOUTHEAST CANADA AND HIGH PRESSURE OVER
THE NE GULF OF MEXICO WILL RESULT IN STRONG WESTERLY WINDS ACROSS
MOST OF CENTRAL NORTH CAROLINA TODAY THROUGH EARLY EVENING.
SUSTAINED WINDS 15 TO 22 MPH WILL GUST AT TIMES TO AROUND 40 MPH.
THE STRONGEST GUSTS WILL OCCUR BETWEEN MID AFTERNOON THROUGH
EARLY EVENING.

NCZ007>011-021>028-038>043-073>078-150000-
/O.CON.KRAH.WI.Y.0001.110214T1700Z-110215T0200Z/
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-
INCLUDING THE CITIES OF...ROXBORO...OXFORD...HENDERSON...
WARRENTON...ROANOKE RAPIDS...WINSTON-SALEM...GREENSBORO...
HIGH POINT...BURLINGTON...CHAPEL HILL...DURHAM...LOUISBURG...
NASHVILLE...ROCKY MOUNT...LEXINGTON...ASHEBORO...PITTSBORO...
RALEIGH...SMITHFIELD...WILSON...ALBEMARLE...TROY...
SOUTHERN PINES...SANFORD...LILLINGTON...GOLDSBORO
1057 AM EST MON FEB 14 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING. 

* LOCATION: MOST OF CENTRAL NORTH CAROLINA FROM THE SANDHILLS
  NORTH TO THE PIEDMONT AND VIRGINIA BORDER. 

* WINDS: SOUTHWEST WIND GUSTS BETWEEN 35 AND 45 MPH ARE EXPECTED
  THIS AFTERNOON.

* TIMING: GUSTY WESTERLY WINDS WILL ARE EXPECTED THIS AFTERNOON
  THROUGH EVENING WITH THE STRONGEST GUSTS OCCURRING BETWEEN 2 PM
  AND 7 PM.

* IMPACTS: WINDS OF THIS MAGNITUDE COULD DOWN SMALL TREES AND TREE
  BRANCHES. SPORADIC POWER OUTAGES ARE POSSIBLE. THOSE DRIVING HIGH
  PROFILE VEHICLES SHOULD USE CAUTION ESPECIALLY IN OPEN AREAS
  ALONG INTERSTATES 40 AND 85...HIGHWAY 220...HIGHWAY 64 AND
  HIGHWAY 1. SUDDEN STRONG WIND GUSTS COULD MAKE HANDLING OF HIGH
  PROFILE VEHICLES DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT STRONG GUSTY WINDS ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
043 
WWUS72 KRAH 142033
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
333 PM EST MON FEB 14 2011

...STRONG WEST WINDS WILL AFFECT MOST OF CENTRAL NORTH CAROLINA...

.STRONG LOW PRESSURE OVER SOUTHEAST CANADA AND HIGH PRESSURE OVER
THE NE GULF OF MEXICO WILL RESULT IN STRONG WESTERLY WINDS ACROSS
MOST OF CENTRAL NORTH CAROLINA THROUGH EARLY EVENING. SUSTAINED
WINDS 15 TO 22 MPH WILL GUST AT TIMES TO 30 TO 40 MPH. THE
STRONGEST GUSTS WILL OCCUR BETWEEN MID AFTERNOON THROUGH EARLY
EVENING.

NCZ007>011-021>028-038>043-073>078-150200-
/O.CON.KRAH.WI.Y.0001.000000T0000Z-110215T0200Z/
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-
INCLUDING THE CITIES OF...ROXBORO...OXFORD...HENDERSON...
WARRENTON...ROANOKE RAPIDS...WINSTON-SALEM...GREENSBORO...
HIGH POINT...BURLINGTON...CHAPEL HILL...DURHAM...LOUISBURG...
NASHVILLE...ROCKY MOUNT...LEXINGTON...ASHEBORO...PITTSBORO...
RALEIGH...SMITHFIELD...WILSON...ALBEMARLE...TROY...
SOUTHERN PINES...SANFORD...LILLINGTON...GOLDSBORO
333 PM EST MON FEB 14 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING... 

* LOCATION: MOST OF CENTRAL NORTH CAROLINA FROM THE SANDHILLS 
  NORTH TO THE PIEDMONT AND VIRGINIA BORDER. 

* WINDS: SOUTHWEST WIND GUSTS BETWEEN 30 AND 45 MPH ARE EXPECTED.

* TIMING: GUSTY WESTERLY WINDS ARE EXPECTED THIS AFTERNOON THROUGH
  EVENING WITH THE STRONGEST GUSTS OCCURRING BETWEEN 3 PM AND 8 PM.

* IMPACTS: WINDS OF THIS MAGNITUDE COULD KNOCK DOWN TREE BRANCHES.
  SPORADIC POWER OUTAGES ARE POSSIBLE. THOSE DRIVING HIGH PROFILE
  VEHICLES SUCH AS TRUCKS SHOULD USE CAUTION... ESPECIALLY IN OPEN
  AREAS ALONG INTERSTATES 40 AND 85...HIGHWAY 220...HIGHWAY 64 AND
  HIGHWAY 1. SUDDEN STRONG WIND GUSTS COULD MAKE HANDLING OF HIGH
  PROFILE VEHICLES DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT STRONG GUSTY WINDS ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
436 
WWUS72 KRAH 142302 AAA
NPWRAH

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE RALEIGH NC
602 PM EST MON FEB 14 2011

NCZ007>011-021>028-038>043-073>078-150015-
/O.CAN.KRAH.WI.Y.0001.000000T0000Z-110215T0200Z/
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-
INCLUDING THE CITIES OF...ROXBORO...OXFORD...HENDERSON...
WARRENTON...ROANOKE RAPIDS...WINSTON-SALEM...GREENSBORO...
HIGH POINT...BURLINGTON...CHAPEL HILL...DURHAM...LOUISBURG...
NASHVILLE...ROCKY MOUNT...LEXINGTON...ASHEBORO...PITTSBORO...
RALEIGH...SMITHFIELD...WILSON...ALBEMARLE...TROY...
SOUTHERN PINES...SANFORD...LILLINGTON...GOLDSBORO
602 PM EST MON FEB 14 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS CANCELLED THE WIND
ADVISORY. 

WINDS GUSTED AS HIGH AS 35 TO 45 MPH EARLIER THIS AFTERNOON...
HOWEVER...WINDS HAVE SIGNIFICANTLY DECREASED IN THE PAST HOUR...
AND WILL CONTINUE TO DECREASE THIS EVENING. AS A RESULT...THE
WIND ADVISORY HAS BEEN CANCELLED.

$$

VINCENT

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 14, 4:12 AM ESTRed Flag WarningRAHAlamance, Anson, Chatham, Cumberland, Davidson, Durham and 21 more17 hr

Nearby

Wind Advisories in North Carolina, 2011Every wind advisory in 2011

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.