Alert archive / South Carolina / Wind Advisories in 2011
Wind Advisory 3, NWS Charleston, SC
NWS Charleston, SC issued this wind advisory at Feb 25, 2011, 7:01 AM EST for 5 counties in South Carolina; Jenkins County, Screven County, Georgia. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 25, 2011, 7:01 AM EST (12:01 UTC)
- Expired
- Feb 25, 2011, 4:00 PM EST
- In force
- 9 hr
- Issued by
- NWS Charleston, SC
Counties Jenkins County, GA, Screven County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 29 km from the middle of the area, began a volume at 12:02 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, 0.0 hours before the alert went out and 94 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
- 42 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 312 m²/s²
- 0-3 km storm-relative helicity
- 378 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
103 WWUS72 KCHS 251201 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 701 AM EST FRI FEB 25 2011 SCZ045-252015- /O.CAN.KCHS.LW.Y.0011.000000T0000Z-110225T2100Z/ /O.NEW.KCHS.WI.Y.0003.110225T1201Z-110225T2100Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 701 AM EST FRI FEB 25 2011 ...WIND ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...LAKE WIND ADVISORY IS CANCELLED FOR LAKE MOULTRIE... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. THE LAKE WIND ADVISORY HAS BEEN CANCELLED. * WINDS...SOUTH WINDS WILL INCREASE TO 20 TO 30 MPH ACROSS INLAND BERKELEY COUNTY THIS MORNING. GUSTS AS HIGH AS 45 MPH CAN BE EXPECTED. WINDS WILL SHIFT TO THE SOUTHWEST BY EARLY AFTERNOON. WINDS AS HIGH AS 20 KNOTS CAN BE EXPECTED ON LAKE MOULTRIE. * WAVES...1 TO 2 FEET WITH THE HIGHEST WAVES OCCURRING OVER THE CENTRAL AND NORTHEAST PORTIONS OF LAKE MOULTRIE. * TIMING...WINDS WILL INCREASE RAPIDLY AFTER SUNRISE AND PEAK BETWEEN 9 AM AND 2 PM BEFORE DIMINISHING. * IMPACTS...STRONG WINDS WILL MAKE FOR DIFFICULT DRIVING CONDITIONS. WINDS OF THIS MAGNITUDE CAN BREAK SMALL TO MEDIUM SIZE LIMBS. THE COMBINATION OF GUSTY WINDS AND ROUGH WAVES WILL CREATE HAZARDOUS CONDITIONS FOR SMALL CRAFT ON LAKE MOULTRIE. 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. && $$ GAZ087-088-SCZ040-042>044-047>052-252015- /O.NEW.KCHS.WI.Y.0003.110225T1201Z-110225T2100Z/ JENKINS-SCREVEN-ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER- INLAND JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER- TIDAL BERKELEY- INCLUDING THE CITIES OF...MILLEN...SYLVANIA...ALLENDALE... HAMPTON...WALTERBORO...ST. GEORGE...SUMMERVILLE...RIDGELAND... BEAUFORT...HILTON HEAD...EDISTO BEACH...CHARLESTON...JASPER... DANIEL ISLAND...NAVAL WEAPONS STATION CHARLESTON 701 AM EST FRI FEB 25 2011 ...WIND ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. * WINDS...SOUTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH. GUSTS AS HIGH AS 45 MPH CAN BE EXPECTED. LOCALLY HIGHER WINDS WILL OCCUR ON ELEVATED ROADWAYS AND BRIDGES. * TIMING...WINDS WILL INCREASE RAPIDLY AFTER SUNRISE AND PEAK BETWEEN 9 AM AND 2 PM BEFORE DIMINISHING. * IMPACTS...WINDS OF THIS MAGNITUDE CAN BREAK SMALL TO MEDIUM SIZE LIMBS. ISOLATED POWER OUTAGES MAY ALSO OCCUR. WINDS WILL BE HIGHER ON ELEVATED ROADWAYS SUCH AS BRIDGES AND OVERPASSES WHICH WILL CREATE HAZARDOUS CONDITIONS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON BRIDGES AND OVERPASSES. && $$
2 follow-up statements
539 WWUS72 KCHS 251554 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 1054 AM EST FRI FEB 25 2011 GAZ087-088-SCZ040-042>044-047>052-252100- /O.CON.KCHS.WI.Y.0003.000000T0000Z-110225T2100Z/ JENKINS-SCREVEN-ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER- INLAND JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER- TIDAL BERKELEY- INCLUDING THE CITIES OF...MILLEN...SYLVANIA...ALLENDALE... HAMPTON...WALTERBORO...ST. GEORGE...SUMMERVILLE...RIDGELAND... BEAUFORT...HILTON HEAD...EDISTO BEACH...CHARLESTON...JASPER... DANIEL ISLAND...NAVAL WEAPONS STATION CHARLESTON 1054 AM EST FRI FEB 25 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. * WINDS...SOUTHWEST WINDS 15 TO 30 MPH. GUSTS AS HIGH AS 40 MPH CAN BE EXPECTED. LOCALLY HIGHER WINDS WILL OCCUR ON ELEVATED ROADWAYS AND BRIDGES. * TIMING...WINDS WILL INCREASE ONCE AGAIN EARLY THIS AFTERNOON PEAKING BETWEEN 1 AND 4 PM. * IMPACTS...WINDS OF THIS MAGNITUDE CAN BREAK SMALL TO MEDIUM SIZE LIMBS. ISOLATED POWER OUTAGES MAY ALSO OCCUR. WINDS WILL BE HIGHER ON ELEVATED ROADWAYS SUCH AS BRIDGES AND OVERPASSES WHICH WILL CREATE HAZARDOUS CONDITIONS FOR HIGH PROFILE VEHICLES. 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. && $$ SCZ045-252100- /O.CON.KCHS.WI.Y.0003.000000T0000Z-110225T2100Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 1054 AM EST FRI FEB 25 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. * WINDS...SOUTHWEST WINDS 15 TO 30 MPH ACROSS INLAND BERKELEY COUNTY THIS MORNING. GUSTS AS HIGH AS 40 MPH CAN BE EXPECTED. WINDS AS HIGH AS 20 KNOTS CAN BE EXPECTED ON LAKE MOULTRIE. * WAVES...1 TO 2 FEET WITH THE HIGHEST WAVES OCCURRING OVER THE CENTRAL AND NORTHEAST PORTIONS OF LAKE MOULTRIE. * TIMING...WINDS WILL INCREASE ONCE AGAIN EARLY THIS AFTERNOON PEAKING BETWEEN 1 AND 4 PM. * IMPACTS...STRONG WINDS WILL MAKE FOR DIFFICULT DRIVING CONDITIONS. WINDS OF THIS MAGNITUDE CAN BREAK SMALL TO MEDIUM SIZE LIMBS. THE COMBINATION OF GUSTY WINDS AND ROUGH WAVES WILL CREATE HAZARDOUS CONDITIONS FOR SMALL CRAFT ON LAKE MOULTRIE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON BRIDGES AND OVERPASSES. && $$
113 WWUS72 KCHS 252035 NPWCHS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHARLESTON SC 335 PM EST FRI FEB 25 2011 SCZ045-260000- /O.EXP.KCHS.WI.Y.0003.000000T0000Z-110225T2100Z/ /O.NEW.KCHS.LW.Y.0012.110225T2100Z-110226T0000Z/ INLAND BERKELEY- INCLUDING THE CITY OF...MONCKS CORNER 335 PM EST FRI FEB 25 2011 ...LAKE WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING FOR LAKE MOULTRIE... ...WIND ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A LAKE WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM EST THIS EVENING. THE WIND ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON. * WINDS...WEST SOUTHWEST 10 TO 15 KNOTS WITH GUSTS UP TO 25 KNOTS. * WAVES...1 TO 2 FEET WITH THE HIGHEST WAVES OCCURRING OVER THE CENTRAL AND EAST PORTIONS OF LAKE MOULTRIE. * TIMING...THROUGH THE EARLY EVENING. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND ROUGH WAVES WILL CREATE HAZARDOUS CONDITIONS FOR SMALL CRAFT ON LAKE MOULTRIE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MARINERS SHOULD USE EXTRA CAUTION ON LAKE MOULTRIE THROUGH THIS EVENING...ESPECIALLY ON THE OPEN LAKE WATERS. STRONG WINDS MAY LEAD TO LARGE WAVES WHICH CAN CAPSIZE BOATS. && $$ GAZ087-088-SCZ040-042>044-047>052-252145- /O.EXP.KCHS.WI.Y.0003.000000T0000Z-110225T2100Z/ JENKINS-SCREVEN-ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER- INLAND JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER- TIDAL BERKELEY- INCLUDING THE CITIES OF...MILLEN...SYLVANIA...ALLENDALE... HAMPTON...WALTERBORO...ST. GEORGE...SUMMERVILLE...RIDGELAND... BEAUFORT...HILTON HEAD...EDISTO BEACH...CHARLESTON...JASPER... DANIEL ISLAND...NAVAL WEAPONS STATION CHARLESTON 335 PM EST FRI FEB 25 2011 ...WIND ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON... THE WIND ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON. $$
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 3:35 PM EST | Lake Wind Advisory | CHS | Berkeley | 3 hr |
| Feb 25, 7:09 AM EST | Gale Warning | CHS | 6 hr |
Nearby
Wind Advisories in South Carolina, 2011Wind Advisories in Georgia, 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.