Alert archive / North Carolina / Wind Advisories in 2012

Wind Advisory 2, NWS Raleigh, NC

December 20, 201231 counties in North Carolina

NWS Raleigh, NC issued this wind advisory at Dec 20, 2012, 2:44 PM EST for 31 counties in North Carolina. It took effect at Dec 21, 2012, 9:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 20, 2012, 2:44 PM EST (19:44 UTC)
In effect from
Dec 21, 2012, 9:00 AM EST
Expired
Dec 21, 2012, 6:59 PM EST
In force
10 hr
Issued by
NWS Raleigh, NC
All 31 counties

Alamance County, NC, Anson County, NC, Chatham County, NC, Cumberland 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, Hoke 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, Richmond County, NC, Sampson County, NC, Scotland 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), 45 km from the middle of the area, began a volume at 19:44 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 12:00Z, 7.7 hours before the alert went out and 93 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 12:00Z on 2012-12-20Temperature 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 12:00Z on 2012-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 square meters per square second.1939587897Sfc1 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
1244 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
356 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.

573 
WWUS72 KRAH 201944
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
244 PM EST THU DEC 20 2012

...STRONG STORM SYSTEM SHOULD BRING VERY WINDY CONDITIONS FOR FRIDAY...

.A STRONG STORM SYSTEM MOVING THROUGH THE GREAT LAKES AND INTO THE
NORTHEAST STATES SHOULD IMPACT CENTRAL NORTH CAROLINA WITH VERY
WINDY CONDITIONS FRIDAY. WHILE THERE COULD BE BRIEF...VERY GUSTY
WINDS OVERNIGHT...LONG-DURATION FREQUENT GUSTS NEAR OR ABOVE 40
MPH COULD OCCUR FRIDAY MAINLY FROM LATE MORNING THROUGH THE
AFTERNOON. WHILE REMAINING GUSTY FOR THE OVERNIGHT HOURS FRIDAY...
WINDS SHOULD DIMINISH BELOW ANY ADVISORY CRITERIA BY AROUND SUNSET.

NCZ007>011-021>028-038>043-073>078-083>086-088-089-211000-
/O.NEW.KRAH.WI.Y.0002.121221T1400Z-121222T0000Z/
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-
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...WADESBORO...
ROCKINGHAM...LAURINBURG...RAEFORD...FAYETTEVILLE...CLINTON
244 PM EST THU DEC 20 2012

...WIND ADVISORY IN EFFECT FROM 9 AM TO 7 PM EST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 7 PM EST FRIDAY. 

* LOCATION...ALL OF CENTRAL NORTH CAROLINA.

* WINDS...WEST 15 TO 25 MPH WITH FREQUENT GUSTS AROUND 40 MPH.

* TIMING...LATE FRIDAY MORNING THROUGH FRIDAY AFTERNOON.

* IMPACTS...LIGHTWEIGHT OBJECTS LEFT OUTDOORS COULD BE BLOWN
  AROUND. LOOSE OR DEAD TREE LIMBS IN PARTICULAR SHOULD BE SHAKEN
  FREE AND KNOCKED TO THE GROUND BY THE WIND. PERSONS DRIVING HIGH
  PROFILE VEHICLES MAY EXPERIENCE DIFFICULTY IN THEIR COMMUTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT FREQUENT WIND GUSTS AT OR ABOVE 40 MPH
ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY
FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. BE MINDFUL IF
OUTDOORS AND NEAR TREES. 

&&

$$

DJF
3 follow-up statements
604 
WWUS72 KRAH 210903
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
403 AM EST FRI DEC 21 2012

...STRONG STORM SYSTEM TO BRING VERY WINDY CONDITIONS TO CENTRAL
NORTH CAROLINA TODAY...

.A STRONG STORM SYSTEM MOVING THROUGH THE GREAT LAKES AND INTO
THE NORTHEAST STATES WILL RESULT IN WINDY CONDITIONS TODAY ACROSS
CENTRAL NORTH CAROLINA. FREQUENT GUSTS NEAR OR ABOVE 40 MPH ARE
EXPECTED TODAY...MAINLY DURING THE LATE MORNING AND AFTERNOON
HOURS. WHILE IT SHOULD REMAIN GUSTY TONIGHT...WINDS SHOULD
DIMINISH BELOW ADVISORY CRITERIA AROUND SUNSET.

NCZ007>011-021>028-038>043-073>078-083>086-088-089-220000-
/O.CON.KRAH.WI.Y.0002.121221T1400Z-121222T0000Z/
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-
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...WADESBORO...
ROCKINGHAM...LAURINBURG...RAEFORD...FAYETTEVILLE...CLINTON
403 AM EST FRI DEC 21 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 7 PM
EST THIS EVENING...

* LOCATION...ALL OF CENTRAL NORTH CAROLINA.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...LATE THIS MORNING THROUGH THIS AFTERNOON.

* IMPACTS...LIGHTWEIGHT OBJECTS LEFT OUTDOORS COULD BE BLOWN
  AROUND AND SOME TREE LIMBS MAY BE KNOCKED DOWN. DRIVING HIGH
  PROFILE VEHICLES MAY BECOME DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT FREQUENT WIND GUSTS AT OR ABOVE 40 MPH
ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. BE
MINDFUL IF OUTDOORS AND NEAR TREES.

&&

$$
584 
WWUS72 KRAH 211537
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
1036 AM EST FRI DEC 21 2012

...VERY WINDY CONDITIONS WILL CONTINUE ACROSS CENTRAL NORTH
CAROLINA TODAY...

.A STRONG STORM SYSTEM MOVING THROUGH THE GREAT LAKES AND INTO
THE NORTHEAST STATES WILL RESULT IN WINDY CONDITIONS TODAY ACROSS
CENTRAL NORTH CAROLINA. FREQUENT GUSTS TO AROUND 40 MPH ARE
EXPECTED TODAY...MAINLY DURING THE MID TO LATE AFTERNOON HOURS.
WHILE IT SHOULD REMAIN GUSTY TONIGHT...WINDS SHOULD DIMINISH BELOW
ADVISORY CRITERIA AROUND SUNSET.

NCZ007>011-021>028-038>043-073>078-083>086-088-089-220000-
/O.CON.KRAH.WI.Y.0002.000000T0000Z-121222T0000Z/
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-
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...WADESBORO...
ROCKINGHAM...LAURINBURG...RAEFORD...FAYETTEVILLE...CLINTON
1036 AM EST FRI DEC 21 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

* LOCATION...ALL OF CENTRAL NORTH CAROLINA.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...THROUGH THIS AFTERNOON WITH THE STRONGEST WINDS LIKELY
  DURING THE MID TO LATE AFTERNOON.

* IMPACTS...LIGHTWEIGHT OBJECTS LEFT OUTDOORS COULD BE BLOWN 
  AROUND AND SOME TREE LIMBS MAY BE KNOCKED DOWN. DRIVING HIGH 
  PROFILE VEHICLES MAY BECOME DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT FREQUENT WIND GUSTS AT OR ABOVE 40 MPH
ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. BE
MINDFUL IF OUTDOORS AND NEAR TREES.

&&

$$

BLAES
710 
WWUS72 KRAH 212359
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
659 PM EST FRI DEC 21 2012

...WIND ADVISORY IS CANCELLED...

.THE WIND ADVISORY IS NO LONGER IN EFFECT.

NCZ007>011-021>028-038>043-073>078-083>086-088-089-220100-
/O.CAN.KRAH.WI.Y.0002.000000T0000Z-121222T0000Z/
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-
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...WADESBORO...
ROCKINGHAM...LAURINBURG...RAEFORD...FAYETTEVILLE...CLINTON
659 PM EST FRI DEC 21 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS CANCELLED THE WIND
ADVISORY. WINDS HAVE DECREASED THIS EVENING WITH SUNSET AND STRONG
WINDS ARE NO LONGER EXPECTED THIS EVENING.

$$

77

Nearby

Wind Advisories in North Carolina, 2012Every wind advisory in 2012

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.