Alert archive / North Carolina / Wind Advisories in 2011

Wind Advisory 5, NWS Raleigh, NC

April 4, 201131 counties in North Carolina

NWS Raleigh, NC issued this wind advisory at Apr 4, 2011, 9:19 AM EDT for 31 counties in North Carolina. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Apr 4, 2011, 9:19 AM EDT (13:19 UTC)
Expired
Apr 5, 2011, 5:00 AM EDT
In force
20 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 13:24 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, 1.3 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 2011-04-04Temperature 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 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 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
1927 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
398 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.

730 
WWUS72 KRAH 041319
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
919 AM EDT MON APR 4 2011

...STRONG SOUTHWEST WINDS WILL OCCUR ACROSS CENTRAL NORTH CAROLINA
TODAY AND TONIGHT...

.STRONG SOUTHWEST WINDS WILL OCCUR TODAY AHEAD OF A COLD FRONT
THAT WILL CROSS CENTRAL NORTH CAROLINA TUESDAY MORNING.


NCZ007>011-021>028-038>043-073>078-083>086-088-089-042000-
/O.NEW.KRAH.WI.Y.0005.110404T1319Z-110405T0900Z/
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
919 AM EDT MON APR 4 2011

...WIND ADVISORY IN EFFECT UNTIL 5 AM EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM EDT TUESDAY. 

* LOCATION...ALL OF CENTRAL NORTH CAROLINA.

* WINDS...SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...TODAY AND TONIGHT

* IMPACTS...WINDS OF THIS MAGNITUDE WILL DOWN LARGE TREE
  LIMBS...SHALLOW ROOTED OR DISEASED TREES...AND A FEW POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES ON WEST EAST ROUTES SUCH AS INTERSTATE AS WELL
AS HIGHWAY 64 AND HIGHWAY 70 WHERE CROSS WINDS WILL BE STRONGEST.
USE EXTRA CAUTION.

&&

$$
2 follow-up statements
896 
WWUS72 KRAH 041950
NPWRAH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
350 PM EDT MON APR 4 2011

...STRONG SOUTHWEST WINDS WILL OCCUR ACROSS CENTRAL NORTH
CAROLINA TODAY AND TONIGHT...

.STRONG SOUTHWEST WINDS WILL OCCUR THROUGH TONIGHT... AHEAD OF A
COLD FRONT THAT WILL CROSS CENTRAL NORTH CAROLINA EARLY TUESDAY
MORNING.

NCZ007>011-021>028-038>043-073>078-083>086-088-089-050900-
/O.CON.KRAH.WI.Y.0005.000000T0000Z-110405T0900Z/
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
350 PM EDT MON APR 4 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT TUESDAY...

* LOCATION...ALL OF CENTRAL NORTH CAROLINA.

* WINDS...SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...TODAY AND TONIGHT.

* IMPACTS...WINDS OF THIS MAGNITUDE WILL DOWN LARGE TREE LIMBS...
  SHALLOW ROOTED OR DISEASED TREES...AND A FEW POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES ON WEST EAST ROUTES SUCH AS INTERSTATE AS WELL
AS HIGHWAY 64 AND HIGHWAY 70 WHERE CROSS WINDS WILL BE STRONGEST.
USE EXTRA CAUTION.

&&

$$
950 
WWUS72 KRAH 050256 AAA
NPWRAH

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE RALEIGH NC
1056 PM EDT MON APR 4 2011

...STRONG SOUTHWEST WINDS WILL OCCUR ACROSS CENTRAL NORTH
CAROLINA OVERNIGHT...

.STRONG SOUTHWEST WINDS WILL OCCUR OVERNIGHT... AHEAD OF A
COLD FRONT THAT WILL CROSS CENTRAL NORTH CAROLINA EARLY TUESDAY
MORNING.

NCZ007>011-021>028-038>043-073>078-083>086-088-089-050900-
/O.CON.KRAH.WI.Y.0005.000000T0000Z-110405T0900Z/
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
1056 PM EDT MON APR 4 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT TUESDAY...

* LOCATION...ALL OF CENTRAL NORTH CAROLINA.

* WINDS...SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...OVERNIGHT TONIGHT.

* IMPACTS...WINDS OF THIS MAGNITUDE WILL DOWN LARGE TREE LIMBS...
   SHALLOW ROOTED OR DISEASED TREES...AND A FEW POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES ON WEST EAST ROUTES SUCH AS INTERSTATE AS WELL
AS HIGHWAY 64 AND HIGHWAY 70 WHERE CROSS WINDS WILL BE STRONGEST.
USE EXTRA CAUTION.

&&

$$

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.