Alert archive / South Carolina / Wind Advisories in 2011

Wind Advisory 4, NWS Charleston, SC

April 4, 2011Berkeley County, Dorchester County, South Carolina

NWS Charleston, SC issued this wind advisory at Apr 4, 2011, 4:14 PM EDT for Berkeley County, Dorchester County, South Carolina. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Apr 4, 2011, 4:14 PM EDT (20:14 UTC)
Expired
Apr 5, 2011, 10:34 AM EDT
In force
18 hr
Issued by
NWS Charleston, SC

Counties Berkeley County, SC, Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 97 km from the middle of the area, began a volume at 20:20 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

Charleston AFB, SC (KCHS), launched 12:00Z, 8.2 hours before the alert went out and 31 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, Charleston AFB, SC 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, Charleston AFB, SC at 12:00Z on 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.193958Sfc1 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
1439 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
82 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.

204 
WWUS72 KCHS 042014
NPWCHS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
414 PM EDT MON APR 4 2011

SCZ045-050415-
/O.CAN.KCHS.LW.Y.0021.000000T0000Z-110405T2200Z/
/O.NEW.KCHS.WI.Y.0004.110404T2014Z-110405T1600Z/
INLAND BERKELEY-
INCLUDING THE CITY OF...MONCKS CORNER
414 PM EDT MON APR 4 2011

...WIND ADVISORY IN EFFECT UNTIL NOON EDT TUESDAY...
...LAKE WIND ADVISORY IS CANCELLED FOR LAKE MOULTRIE...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL NOON EDT TUESDAY. THE LAKE
WIND ADVISORY HAS BEEN CANCELLED. 

* HAZARDS: STRONG WIND GUSTS.

* WINDS: SOUTH TO SOUTHWEST WINDS WILL GUST TO AROUND 40 MPH.

* TIMING: STRONGEST WIND GUSTS MIDNIGHT TO 2 AM TONIGHT UNTIL 10
  AM TO NOON TUESDAY.

* IMPACTS: HAZARDOUS MARINE CONDITIONS WILL CONTINUE ON LAKE
  MOULTRIE. GUSTY WINDS WILL IMPACT HIGH PROFILE VEHICLES. WIND
  GUSTS COULD BRING DOWN SMALL TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON BRIDGES AND
OVERPASSES. 

&&

$$

SCZ044-048>050-052-050415-
/O.NEW.KCHS.WI.Y.0004.110404T2014Z-110405T1600Z/
DORCHESTER-BEAUFORT-COASTAL COLLETON-CHARLESTON-TIDAL BERKELEY-
INCLUDING THE CITIES OF...ST. GEORGE...SUMMERVILLE...BEAUFORT...
HILTON HEAD...EDISTO BEACH...CHARLESTON...DANIEL ISLAND...
NAVAL WEAPONS STATION CHARLESTON
414 PM EDT MON APR 4 2011

...WIND ADVISORY IN EFFECT UNTIL NOON EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL NOON EDT TUESDAY. 

* HAZARDS: STRONG WIND GUSTS.

* WINDS: SOUTH TO SOUTHWEST WINDS WILL GUST TO AROUND 40 MPH.

* TIMING: STRONGEST WIND GUSTS MIDNIGHT TO 2 AM TONIGHT UNTIL 10
  AM TO NOON TUESDAY.

* IMPACTS: GUSTY WINDS WILL IMPACT HIGH PROFILE VEHICLES...
  ESPECIALLY ON AREA BRIDGES. WIND GUSTS COULD BRING DOWN SMALL
  TREE BRANCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON BRIDGES AND
OVERPASSES.

&&

$$
3 follow-up statements
131 
WWUS72 KCHS 050221
NPWCHS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
1021 PM EDT MON APR 4 2011

SCZ044-045-048>050-052-051030-
/O.CON.KCHS.WI.Y.0004.000000T0000Z-110405T1600Z/
DORCHESTER-INLAND BERKELEY-BEAUFORT-COASTAL COLLETON-CHARLESTON-
TIDAL BERKELEY-
INCLUDING THE CITIES OF...ST. GEORGE...SUMMERVILLE...
MONCKS CORNER...BEAUFORT...HILTON HEAD...EDISTO BEACH...
CHARLESTON...DANIEL ISLAND...NAVAL WEAPONS STATION CHARLESTON
1021 PM EDT MON APR 4 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TUESDAY. 

* HAZARDS: STRONG WIND GUSTS.

* WINDS: SOUTH TO SOUTHWEST WINDS WILL GUST TO AROUND 40 MPH.

* TIMING: STRONGEST WIND GUSTS FROM 2 AM TONIGHT UNTIL 10 AM TO
  NOON TUESDAY.

* IMPACTS: GUSTY WINDS WILL IMPACT HIGH PROFILE VEHICLES... 
  ESPECIALLY ON AREA BRIDGES. WIND GUSTS COULD BRING DOWN SMALL 
  TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON BRIDGES AND
OVERPASSES.

&&

$$

33
338 
WWUS72 KCHS 050716
NPWCHS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
316 AM EDT TUE APR 5 2011

SCZ044-045-048>050-052-051530-
/O.CON.KCHS.WI.Y.0004.000000T0000Z-110405T1600Z/
DORCHESTER-INLAND BERKELEY-BEAUFORT-COASTAL COLLETON-CHARLESTON-
TIDAL BERKELEY-
INCLUDING THE CITIES OF...ST. GEORGE...SUMMERVILLE...
MONCKS CORNER...BEAUFORT...HILTON HEAD...EDISTO BEACH...
CHARLESTON...DANIEL ISLAND...NAVAL WEAPONS STATION CHARLESTON
316 AM EDT TUE APR 5 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY. 

* HAZARDS: STRONG WIND GUSTS.

* WINDS: SOUTH TO SOUTHWEST WINDS WILL GUST TO AROUND 40 MPH.

* TIMING: STRONGEST WIND GUSTS THROUGH LATE MORNING.
 
* IMPACTS: GUSTY WINDS WILL IMPACT HIGH PROFILE VEHICLES... 
  ESPECIALLY ON AREA BRIDGES. WIND GUSTS COULD BRING DOWN SMALL 
  TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON BRIDGES AND
OVERPASSES.

&&

$$
928 
WWUS72 KCHS 051434
NPWCHS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
1034 AM EDT TUE APR 5 2011

SCZ045-052200-
/O.CAN.KCHS.WI.Y.0004.000000T0000Z-110405T1600Z/
/O.NEW.KCHS.LW.Y.0022.110405T1434Z-110405T2200Z/
INLAND BERKELEY-
INCLUDING THE CITY OF...MONCKS CORNER
1034 AM EDT TUE APR 5 2011

...LAKE WIND ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING FOR
LAKE MOULTRIE...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EDT THIS EVENING. THE
WIND ADVISORY HAS BEEN CANCELLED. 

* HAZARDS: STRONG WINDS.

* WINDS: WEST WINDS BETWEEN 20 AND 25 KNOTS WITH GUSTS TO 30 KNOTS.

* TIMING: STRONG WINDS WILL CONTINUE THROUGH LATE THIS AFTERNOON.

* IMPACTS: HAZARDOUS MARINE CONDITIONS WILL CONTINUE TO MAKE
  NAVIGATION DIFFICULT ON LAKE MOULTRIE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH LATE
THIS AFTERNOON...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS
MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS.

&&

$$

SCZ044-048>050-052-051545-
/O.CAN.KCHS.WI.Y.0004.000000T0000Z-110405T1600Z/
DORCHESTER-BEAUFORT-COASTAL COLLETON-CHARLESTON-TIDAL BERKELEY-
INCLUDING THE CITIES OF...ST. GEORGE...SUMMERVILLE...BEAUFORT...
HILTON HEAD...EDISTO BEACH...CHARLESTON...DANIEL ISLAND...
NAVAL WEAPONS STATION CHARLESTON
1034 AM EDT TUE APR 5 2011

...WIND ADVISORY IS CANCELLED...

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

WINDS HAVE DIMINISHED ACROSS THE REGION...THEREFORE THE WIND
ADVISORY HAS BEEN CANCELLED.

$$

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 4, 9:26 AM EDTRiver Flood WarningCHSAllendale64 hr
Apr 4, 9:26 AM EDTRiver Flood WarningCHSHampton, Jasper11 days
Apr 4, 4:17 PM EDTHigh Surf AdvisoryCHS18 hr

Nearby

Wind Advisories in South 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.