Alert archive / South Carolina / Wind Advisories in 2011
Wind Advisory 8, NWS Charleston, SC
NWS Charleston, SC issued this wind advisory at Dec 7, 2011, 11:17 AM EST for Berkeley County, Dorchester County, South Carolina. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 7, 2011, 11:17 AM EST (16:17 UTC)
- Expired
- Dec 7, 2011, 3:50 PM EST
- In force
- 5 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 16:16 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, 4.3 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.
- Mixed-layer CAPE
- 12 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 637 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
258 WWUS72 KCHS 071617 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1117 AM EST WED DEC 7 2011 SCZ045-072200- /O.CAN.KCHS.LW.Y.0040.111207T1700Z-111208T1200Z/ /O.NEW.KCHS.WI.Y.0008.111207T1617Z-111207T2200Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 1117 AM EST WED DEC 7 2011 ...WIND ADVISORY IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON. * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: SOUTHWEST 15 TO 25 KNOTS WITH GUSTS UP TO 35 KNOTS. * WAVES: 2 TO 3 FEET. * TIMING: CONTINUING THROUGH LATE THIS AFTERNOON. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH THURSDAY MORNING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. 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. && $$ SCZ044-050-052-072200- /O.NEW.KCHS.WI.Y.0008.111207T1617Z-111207T2200Z/ DORCHESTER-CHARLESTON-TIDAL BERKELEY- INCLUDING THE CITIES OF...ST. GEORGE...SUMMERVILLE...CHARLESTON... DANIEL ISLAND...NAVAL WEAPONS STATION CHARLESTON 1117 AM EST WED DEC 7 2011 ...WIND ADVISORY IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON. * HAZARDS: STRONG WINDS ARE EXPECTED THROUGH THE REMAINDER OF THE DAY ACROSS CHARLESTON...DORCHESTER...AND BERKELEY COUNTIES. * WINDS: SOUTHWEST 20 TO 30 MPH...WITH GUSTS AS HIGHS AS 45 MPH. * WAVES: 1 TO 2 FEET ON LAKE MOULTRIE. * TIMING: CONTINUING THROUGH LATE THIS AFTERNOON. * IMPACTS: THE STRONG WINDS WILL MAKE DRIVING DIFFICULT AT TIMES...ESPECIALLY ON ELEVATED BRIDGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON BRIDGES AND OVERPASSES. && $$
1 follow-up statement
569 WWUS72 KCHS 072050 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 350 PM EST WED DEC 7 2011 SCZ045-080500- /O.CAN.KCHS.WI.Y.0008.000000T0000Z-111207T2200Z/ /O.NEW.KCHS.LW.Y.0041.111207T2050Z-111208T1000Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 350 PM EST WED DEC 7 2011 ...LAKE WIND ADVISORY IN EFFECT UNTIL 5 AM EST THURSDAY FOR LAKE MOULTRIE... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM EST THURSDAY. * HAZARDS: STRONG WINDS AND CHOPPY WAVES. * WINDS: WEST 20 TO 30 KNOTS WITH GUSTS UP TO 40 KNOTS. * WAVES: 2 TO 4 FEET. * TIMING: CONTINUING THROUGH LATE TONIGHT. * IMPACTS: THE COMBINATION OF INCREASING WINDS AND WAVES WILL MAKE CONDITIONS HAZARDOUS FOR SMALL CRAFT ON THE LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH TONIGHT...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$ SCZ044-050-052-072200- /O.CAN.KCHS.WI.Y.0008.000000T0000Z-111207T2200Z/ DORCHESTER-CHARLESTON-TIDAL BERKELEY- INCLUDING THE CITIES OF...ST. GEORGE...SUMMERVILLE...CHARLESTON... DANIEL ISLAND...NAVAL WEAPONS STATION CHARLESTON 350 PM EST WED DEC 7 2011 ...WIND ADVISORY IS CANCELLED... WINDS HAVE DROPPED BELOW ADVISORY LEVELS ACROSS THE TRI-COUNTY REGION LATE THIS AFTERNOON. THEREFORE...THE WIND ADVISORY HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 7, 2:12 PM EST | Special Weather Statement | CHS | Allendale, Hampton | 48 min |
| Dec 7, 2:44 PM EST | Special Weather Statement | CHS | Colleton, Hampton, Jasper | 46 min |
| Dec 7, 3:32 PM EST | Special Weather Statement | CHS | Beaufort, Colleton, Dorchester | 43 min |
| Dec 7, 3:50 PM EST | Lake Wind Advisory | CHS | Berkeley | 12 hr |
| Dec 7, 4:16 PM EST | Special Weather Statement | CHS | Berkeley, Charleston | 44 min |
| Dec 7, 4:36 PM EST | Special Weather Statement | CHS | Charleston | 39 min |
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.