Alert archive / North Carolina / Wind Advisories in 2009
Wind Advisory 10, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this wind advisory at Apr 4, 2009, 2:52 AM EDT for 6 counties in North Carolina. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 2009, 2:52 AM EDT (06:52 UTC)
- Expired
- Apr 4, 2009, 10:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Avery County, NC, Burke County, NC, Caldwell County, NC, McDowell County, NC, Mitchell County, NC, Yancey County, NC
The radar
The Greer radar (KGSP), 115 km from the middle of the area, began a volume at 06:56 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 00:00Z, 6.9 hours before the alert went out and 185 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1498 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -49 m²/s²
- 0-3 km storm-relative helicity
- -73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS72 KGSP 040652 NPWGSP URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 252 AM EDT SAT APR 4 2009 ...GUSTY WINDS EARLY THIS MORNING FROM NEWLAND TO BURNSVILLE... .GUSTY NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 50 MPH WILL CONTINUE UNTIL MID MORNING IN THE NORTHERN MOUNTAINS OF NORTH CAROLINA FROM NEWLAND TO BURNSVILLE. NCZ033-049-050-501-503-505-041400- /O.CAN.KGSP.HW.W.0003.000000T0000Z-090404T1000Z/ /O.NEW.KGSP.WI.Y.0010.090404T0652Z-090404T1400Z/ AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS- MCDOWELL MOUNTAINS- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE 252 AM EDT SAT APR 4 2009 ...WIND ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... ...HIGH WIND WARNING IS CANCELED... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EDT THIS MORNING FOR THE NORTHERN MOUNTAINS OF NORTH CAROLINA FROM NEWLAND TO BURNSVILLE. THE HIGH WIND WARNING HAS BEEN CANCELED. GUSTY NORTHWESTERLY WINDS WILL CONTINUE INTO MID MORNING. WIND SPEEDS OF 20 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH ARE EXPECTED. THE COMBINATION OF THESE WIND SPEEDS AND WET GROUND CONDITIONS CAUSED BY RECENT RAINFALL...WILL CREATE A SITUATION FAVORABLE FOR ISOLATED TREES AND POWER LINES TO FALL. 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. USE EXTRA CAUTION. && $$ 07
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this wind advisory went out at Apr 4, 1:16 AM EDT, 1 hour 36 minutes earlier.
Area forecast discussion, Apr 4, 1:16 AM EDT, 1 hour 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
116 AM EDT SAT APR 4 2009
.SYNOPSIS...
WEAK HIGH PRESSURE WILL DOMINATE OUR WEATHER TODAY AND TONIGHT.
ANOTHER LOW PRESSURE SYSTEM WILL MOVE FROM THE OHIO RIVER VALLEY TO
NEW ENGLAND FROM LATE SUNDAY TO MONDAY...WITH THE ASSOCIATED
COLD FRONT CROSSING OUR REGION BY MONDAY MORNING. COLD AIR WILL
STREAM SOUTH BETWEEN THE LOW OVER NEW ENGLAND...AND HIGH PRESSURE
OVER THE PLAINS EARLY NEXT WEEK. TEMPERATURES WILL BEGIN TO
MODERATE IN MID WEEK AS THE HIGH MOVES EAST OVER THE AREA.
&&
.NEAR TERM /THROUGH TODAY/...
THROUGH 5Z...THE WESTERN CAROLINAS SHOULD SEE SOME OF THE DEEPEST 3HR
PRESSURE CHANGES FOR THE TONIGHT PERIOD. HIGH WINDS REMAIN POSSIBLE
ACROSS THE NRN MTNS AND FOOTHILLS...AT LEAST THROUGH THE EARLY
MORNING HOURS. RECENT CALLS TO THE NRN MTNS INDICATE THAT TREE
DAMAGE IS ISOLATED AT THIS POINT. I WILL KEEP THE HIGH WIND WARNING IN
PLACE. OTHERWISE...I WILL ADJUST THE TIMING OF SKY COVER AND
TEMPERATURES TO OBSERVATIONS. IN ADDITION...I WILL WARM MIN TEMPS A
CLICK OR TWO OVERNIGHT.
SATURDAY...WEATHER IS EXPECTED TO REMAIN VERY COMFORTABLE. EXPECTING
MOSTLY SUNNY CONDITIONS...LIGHT WINDS...AND MILD AFTERNOON TEMPERATURES.
AFTERNOON RH VALUES WILL LIKELY FALL TO LESS THAN 30 PERCENT FOR A
COUPLE OF HOURS.
&&
.SHORT TERM /TONIGHT THROUGH MONDAY/...
AS OF 230 PM FRIDAY...RIDGE MOVES E SAT NIGHT AND CLOUDS BEGIN TO
INCREASE THRU SUN MRNG AS NEXT SHORTWAVE AND ASSOC COLD FRONT MOVE
ACROSS THE MS VALLEY. DEEPER GULF MOISTURE IS EXPECTED TO SURGE N AS
LOW LEVEL S FLOW INCREASES SUN AFTN AND KEPT CHANCE POPS W CWA. WARM
S FLOW AHEAD OF SYSTEM WILL KEEP TEMPS ABOVE AVG SUN EVEN WITH
INCREASING CLOUDS. SHOWERS BECOME LIKELY SUN NIGHT AND THERE IS A
CHANCE OF TSTMS AS THE COLD FRONT PUSHES THRU CWA BY EARLY MON.
CONVECTION DIMINISHES ACROSS PIEDMONT EARLY BUT A TIGHT PRESSURE
GRADIENT WILL KEEP WINDS GUSTY. EXPECT SHOWERS TO CONTINUE OVER THE
MTNS...ESP ALONG TN BORDER...IN MOIST NW FLOW. HIGHS MON WILL TOP
OUT IN THE U50S-L60S ACROSS THE PIEDMONT WITH U40S-L50S MTNS.
&&
.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF 230 PM FRIDAY...A REINFORCING SHORTWAVE ALOFT SHOULD HELP
ENHANCE SHOWERS OVER MTNS MON NIGHT IN CONTINUING MOIST NW FLOW.
ENOUGH CAA IS EXPECTED BEHIND FRONT FOR SNOW LEVELS TO LOWER TO MTN
VALLEYS TOWARD MIDNIGHT. TUE MRNG LOWS WILL BE QUITE COOL WITH NEAR
TO BELOW FREEZING TEMPS MTNS AND L-M30S SE OF MTNS. PRES GRADIENT
WILL BE ENOUGH FOR WINDS TO PRECLUDE FROST ACROSS THE PIEDMONT. WITH
COOL NW FLOW TUE AFTN HIGHS WILL ONLY REACH INTO THE L50S ACROSS THE
PIEDMONT WITH U30S-M40S MTNS. SNOW LEVEL SHOULD RISE SOME TUE
AFTN...BEFORE FALLING AGIN TUE NIGHT. UPPER TROF SLOW TO MOVE E AND
WITH LOWER THCKNS...CONT NW FLOW AND PCLDY SKIES OVERNIGHT...LOOK
FOR WED MRNG LOWS BELOW FREEZING MTNS...NEAR FREEZING ACROSS
PIEDMONT. THERE IS A CHANCE OF A HARD FREEZE FOR PARTS OF THE
PIEDMONT WED MRNG IF WINDS DECOUPLE BUT CURRENT MODELS IN GOOD
AGREEMENT SHOWING PRES GRADIENT ENOUGH FOR 6-12 MPH WINDS OVERNIGHT
SO KEPT LOWS RIGHT AT OR ABOVE FREEZING ATTM. SNOW TAPERS OFF AND
ENDS AS HIGH PRESSURE BUILDS IN FROM THE SW WED AND TEMPS WARM ABOUT
10 DEG...WHICH IS STILL 6-8 DEG BELOW AVG. STORM TOTAL SNOW OF 1-3
INCHES PSBL ALONG TN BORDER COUNTIES OF NC MTNS. HIGH PRES MOVES E
THU AND CLOUDS ARE EXPECTED TO INCREASE AHEAD OF NEXT SYSTEM MOVG
ACROSS THE PLAINS AND THERE IS A SLIGHT CHANCE OF SHOWERS MTNS AND W
CWA. TEMPS SHOULD WARM TO NEAR AVG IN SW FLOW. MODELS IN DECENT
AGREEMENT SHOWINMG FRONT MOVG IN FRI WITH INCREASING CHANCE SHOWERS
AND A CHANCE OF TSTMS. TEMPS SHOULD BE AROUND AVG.
&&
.AVIATION /05Z SATURDAY THROUGH WEDNESDAY/...
AT KCLT...A LIGHT NORTHWEST WIND WILL BACK TO THE WEST SOUTHWEST
THIS AFTERNOON...THEN TO THE SOUTH SOUTHWEST THIS EVENING. A FEW
CIRRUS ARE EXPECTED THIS EVENING. MODEL GUIDANCE IS MARGINAL WITH
DEW POINT DEPRESSIONS THIS MORNING...AND CARRIES NO FOG RESTRICTIONS.
ELSEWHERE...WEST-NORTHWEST WINDS WILL REMAIN GUSTY AT KAVL UNTIL
MIDDAY. LIGHT WEST NORTHWEST WINDS WILL PERSIST UNTIL MIDDAY AT THE
SC SITES AND KHKY. BY MIDDAY WINDS EAST OF THE MOUNTAINS BACK TO THE
SOUTHWEST...WHEN A FEW CIRRUS MOVE INTO THE AREA. KAVL WINDS BECOME
LIGHT NORTHERLY LATE THIS AFTERNOON. GUIDANCE CARRIES NO FOG
RESTRICTIONS...AS THE AIR MASS HAS YET TO MOISTEN...AND WINDS WILL
KEEP MOST MOUNTAIN VALLEYS MIXED.
OUTLOOK...ANOTHER SYSTEM WILL APPROACH THE AREA FROM THE WEST
SUNDAY...BRINGING A CHANCE OF RESTRICTION IN SHOWERS AND
THUNDERSTORMS...ENDING FORM THE SOUTHWEST ON MONDAY. THE TN BORDER
REGION OF NC MAY RETAIN RESTRICTIONS AS SHOWERS CONTINUE THERE INTO
WEDNESDAY.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...HIGH WIND WARNING UNTIL 6 AM EDT EARLY THIS MORNING FOR NCZ033-
049-050-501-503-505.
SC...NONE.
&&
SYNOPSIS...TJB
NEAR TERM...NED
SHORT TERM...RB
LONG TERM...RB
AVIATION...JATHazardous weather outlook, Apr 3, 8:02 PM EDT, 6 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 802 PM EDT FRI APR 3 2009 GAZ010-017-018-026-028-029-NCZ035>037-048-051>053-056>059-062>065- 068>072-082-502-504-506>510-SCZ001>014-019-050015- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL- DAVIE-MADISON-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-ROWAN-GRAHAM- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS- GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 802 PM EDT FRI APR 3 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. ANOTHER COLD FRONT WILL PUSH THROUGH THE REGION MONDAY WITH COLD AIR MOVING IN BEHIND IT. FROST WILL BE POSSIBLE ACROSS THE AREA TUESDAY MORNING. COLDER AIR WILL MOVE IN TUESDAY NIGHT AND FROST WILL BE LIKELY WEDNESDAY MORNING. THERE IS A CHANCE TEMPERATURES WILL COOL TO FREEZING WEDNESDAY MORNING. .SPOTTER INFORMATION STATEMENT... NONE. NCZ033-049-050-501-503-505-050015- AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS- MCDOWELL MOUNTAINS- 802 PM EDT FRI APR 3 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM EDT SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH WIND WARNING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. MUCH COLDER AIR WILL ARRIVE ON MONDAY BEHIND ANOTHER COLD FRONT. SOME ACCUMULATING SNOW IS LIKELY MONDAY NIGHT INTO TUESDAY NIGHT...ESPECIALLY AT HIGHER ELEVATIONS. .SPOTTER INFORMATION STATEMENT... NONE.
Nearby
Wind Advisories in North Carolina, 2009Every wind advisory in 2009
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.