Alert archive / North Carolina / High Wind Watches in 2007
High Wind Watch 3, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this high wind watch at Feb 18, 2007, 3:29 AM EST for Avery County, Mitchell County, Yancey County, North Carolina. It took effect at Feb 18, 2007, 4:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 18, 2007, 3:29 AM EST (08:29 UTC)
- In effect from
- Feb 18, 2007, 4:00 PM EST
- Expired
- Feb 18, 2007, 2:20 PM EST
- In force
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Avery County, NC, Mitchell County, NC, Yancey County, NC
The radar
The Knoxville radar (KMRX), 116 km from the middle of the area, began a volume at 08:33 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, 8.5 hours before the alert went out and 201 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
- 1742 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 267 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch 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 high wind watch went out at Feb 18, 2:35 AM EST, 54 minutes earlier.
Area forecast discussion, Feb 18, 2:35 AM EST, 54 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
235 AM EST SUN FEB 18 2007
.SHORT TERM /TODAY THROUGH TUESDAY NIGHT/...
THE UPPER LEVEL TROUGH AXIS WILL MOVE EAST TO THE COAST TODAY...
FOLLOWED BY HEIGHT RISES AS AN UPPER RIDGE AXIS CROSSES THE
MISSISSIPPI RIVER VALLEY. NORTHWESTERLY LOW LEVEL FLOW CONTINUES AT
THE SURFACE INTO TONIGHT...FINALLY DIMINISHING TOWARD DAWN MONDAY AT
ALL BE THE HIGHEST ELEVATIONS. WITH A STRENGTHENING UPSLOPE
COMPONENT AND PLENTY OF MOISTURE...POPS HAVE BEEN INCREASED ALONG
THE TENNESSEE BORDER TODAY AND THIS EVENING...WITH SNOW AMOUNTS
INCREASED AS WELL. AN ADDITIONAL 2 TO 3 INCHES IS EXPECTED IN THE
WARNING AREA THROUGH MIDNIGHT...WITH ANOTHER INCH AT LOWER
ELEVATIONS NEAR THE TN BORDER. THE SNOW ADVISORY AREA ALONG THE
NORTHERN BLUE RIDGE AND FRENCH BROAD VALLEYS WILL PICK UP A LITTLE
MORE THAN ONE HALF INCH AT BEST.
LOW LEVEL WINDS REALLY PICK UP AFTER 18Z THIS AFTERNOON... STAYING
UP UNTIL 06Z TONIGHT IN THE GFS...AND RIGHT THROUGH 12Z MONDAY IN
THE NAM. POPULATING THE FORECAST WITH NAM WINDS YIELDED HIGH WIND
WARNING CRITERIA IN THE NORTHERN NC MOUNTAINS TODAY AND
TONIGHT...BUT WITH A WINTER STORM WARNING UNTIL MIDNIGHT...A HIGH
WIND WATCH WILL BE CARRIED FOR LATE TONIGHT. WIND ADVISORY
CRITERIA SHOW UP IN THE NORTHERN NC BLUE RIDGE AREA TODAY AND
TONIGHT...WHICH MEANS THE SNOW ADVISORY THERE THIS MORNING WILL
HAVE TO BE UPGRADED TO A WINTER WEATHER ADVISORY...TRANSITIONING
TO A WIND ADVISORY THIS AFTERNOON AND LASTING THROUGH TONIGHT.
LAKE WIND ADVISORY CRITERIA WILL BE REACHED ALONG MUCH OF THE BLUE
RIDGE TODAY...BUT THOSE AREAS IN THE MORNING SNOW ADVISORY WILL
NOT HAVE LAKE WIND KICK IN UNTIL NOON.
TEMPERATURES WILL BE ALMOST 10 DEGREES BELOW NORMAL TODAY AND
TONIGHT IN THE LEE OF THE MOUNTAINS...DESPITE A DOWNSLOPE FLOW...AND
EVEN FURTHER BELOW NORMAL IN THE MOUNTAINS IN COLD ADVECTION. WIND
CHILL VALUES WILL REACH ZERO IN POPULATED MOUNTAINS AREAS...AND UP
TO 10 BELOW ON HIGH PEAKS.
HEIGHTS WILL RISE ACROSS THE REGION ON MONDAY WITH DEEP LAYER DRYING
AND A GRADUALLY RELAXING PRESSURE GRADIENT. THE NAM IS MUCH MORE
AMPLIFIED THAN THE GFS WITH THE SHORTWAVE AFFECTING THE AREA LATE
TUESDAY. THE 21Z SREF MEAN DAMPENS THE WAVE CONSIDERABLY COMPARED TO
THE 00Z OPERATIONAL RUN...AND THE SHALLOWER WAVE SOLUTION WILL THUS
BE FAVORED. THIS WILL RESULT IN LOWER POP AND REDUCED QPF FOR THE
PERIOD FROM LATE MONDAY NIGHT THROUGH TUESDAY NIGHT.
&&
.LONG TERM /WEDNESDAY THROUGH SATURDAY/...
THE NAM AND GFS ARE COMPLETELY OUT OF PHASE WITH THE SRN STREAM
SYSTEM ON WEDNESDAY. SINCE SREF MEAN FORECASTS FAVORED THE GFS WITH
THE NORTHERN STREAM WAVE ON TUESDAY...THE GFS WILL CONTINUE TO BE
FAVORED WITH THE SOUTHERN STREAM SYSTEM INTO THE MEDIUM RANGE WED.
THIS SOLUTION DAMPENS THE SRN STREAM WAVE AND SENDS LIMITED MOISTURE
ACROSS THE AREA MAINLY SOUTHEAST OF THE INTERSTATE 85 CORRIDOR
WED/WED NIGHT. THE MEDIUM RANGE MODELS THEN ARE IN DECENT AGREEMENT
WITH PROMINENT WESTERN CONUS TROUGHING AND EAST COAST RIDGING
THROUGH FRIDAY...WITH AN IMPROVING GULF TAP INTO NEXT SATURDAY.
&&
.AVIATION /08Z-06Z/...
NORTHWESTERLY DOWNSLOPE LOW LEVEL FLOW WILL EVENTUALLY SCATTER OUT
CEILINGS EAST OF THE MOUNTAINS...BUT A LOW CEILING WILL REMAIN AT
KAVL IN UPVALLEY FLOW. ENOUGH MOISTURE WILL REACH KAVL FOR VFR SNOW
SHOWERS FOR SEVERAL MORE HOURS. WINDS WILL COME UP THIS MORNING AT
ALL SITES AND BECOME GUSTY...STAYING THAT WAY ALMOST THROUGH THE END
OF THE FORECAST.
&&
.FIRE WEATHER...
COORDINATION WITH LAND MANAGEMENT AGENCIES WILL BE NEEDED TO
DETERMINE IF THE RED FLAG WARNING FOR NORTHEAST GA IS STILL
NEEDED. SNOW COVER HAS BEEN REPORTED IN PARTS OF RABUN COUNTY...BUT
NOT ALL OF THE COUNTY...AND RED FLAG WIND GUST CRITERIA IS EXPECTED
THERE. THE REST OF THE AREA APPEARS TO HAVE TOO LITTLE WIND AND A
BIT TOO MUCH RELATIVE HUMIDITY.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...LAKE WIND ADVISORY FROM 6 AM THIS MORNING TO 6 PM EST THIS
AFTERNOON FOR GAZ017.
LAKE WIND ADVISORY FROM NOON TODAY TO 6 PM EST THIS AFTERNOON
FOR GAZ010.
SNOW ADVISORY UNTIL NOON EST TODAY FOR GAZ010.
RED FLAG WARNING FROM NOON TODAY TO 7 PM EST THIS EVENING FOR
GAZ010-017-018-026-028-029.
NC...LAKE WIND ADVISORY FROM 6 AM THIS MORNING TO 6 PM EST THIS
AFTERNOON FOR NCZ065-502-504-506-507-509.
WINTER STORM WARNING UNTIL MIDNIGHT EST TONIGHT FOR NCZ033-
048>052-058.
LAKE WIND ADVISORY FROM NOON TODAY TO 6 PM EST THIS AFTERNOON
FOR NCZ053-059-062>064.
SNOW ADVISORY UNTIL NOON EST TODAY FOR NCZ053-059-062>064.
HIGH WIND WATCH LATE TONIGHT FOR NCZ033-049-050.
WINTER WEATHER ADVISORY UNTIL NOON EST TODAY FOR NCZ501-503-
505.
WIND ADVISORY FROM NOON TODAY TO 6 AM EST MONDAY FOR NCZ501-
503-505.
SC...LAKE WIND ADVISORY FROM 6 AM THIS MORNING TO 6 PM EST THIS
AFTERNOON FOR SCZ001>003.
&&
SHORT TERM...HG/JAT
LONG TERM...HG
AVIATION...JAT
FIRE WEATHER...JATHazardous weather outlook, Feb 18, 3:29 AM EST, 0 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 329 AM EST SUN FEB 18 2007 NCZ033-049-050-191100- AVERY-YANCEY-MITCHELL- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WARNING CONTINUES UNTIL MIDNIGHT TONIGHT. A HIGH WIND WATCH IS IN EFFECT FOR LATE TONIGHT. FOR FURTHER DETAILS ON THE WINTER WEATHER HAZARDS...PLEASE SEE THE LATEST URGENT WINTER WEATHER STATEMENT...CAEWSWGSP. FOR DETAILS ON THE WIND POTENTIAL FOR LATE TONIGHT...PLEASE SEE THE URGENT WEATHER MESSAGE...CAENPWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ASKED TO RELAY SNOWFALL ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE. WIND REPORTS COULD BE NEEDED LATER TODAY OR TONIGHT. NCZ048-191100- MADISON- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT TONIGHT. FOR THE LATEST DETAILS ON THE WINTER WEATHER HAZARDS...PLEASE SEE THE URGENT WINTER WEATHER STATEMENT...CAEWSWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ASKED TO RELAY SNOWFALL ACCUMULATION REPORTS TO THE NATIONAL WEATHER SERVICE. NCZ051-052-058-191100- SWAIN-HAYWOOD-GRAHAM- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WARNING REMAINS IN EFFECT FOR ELEVATIONS ABOVE 3500 FEET...WITH A WINTER WEATHER ADVISORY FOR THE LOWER MOUNTAIN VALLEYS...UNTIL MIDNIGHT TONIGHT. FOR DETAILS ON THE WINTER WEATHER HAZARDS...PLEASE SEE THE LATEST URGENT WINTER WEATHER MESSAGE...CAEWSWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ASKED TO RELAY SNOWFALL ACCUMULATION REPORTS TO THE NATIONAL WEATHER SERVICE. NCZ053-059-062>064-191100- BUNCOMBE-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY. FOR THE LATEST DETAILS ON THE SNOW...PLEASE SEE THE URGENT WINTER WEATHER MESSAGE...CAEWSWGSP. A LAKE WIND ADVISORY IS IN EFFECT FROM NOON TO 6 PM EST THIS AFTERNOON. FOR DETAILS ON THE WINDS...PLEASE SEE THE URGENT WEATHER MESSAGE...CAENPWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ASKED TO RELAY SNOWFALL ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE. NCZ501-503-505-191100- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY. FOR THE LATEST DETAILS ON THE WINTER WEATHER...PLEASE SEE THE URGENT WINTER WEATHER MESSAGE...CAEWSWGSP. A WIND ADVISORY IS ALSO IN EFFECT FROM NOON EST TODAY TO 6 AM EST MONDAY. FOR DETAILS ON THE VERY WINDY CONDITIONS...SEE THE URGENT WEATHER MESSAGE...CAENPWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ASKED TO RELAY SNOWFALL ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE. NCZ035>037-056-057-068>072-082-508-510-SCZ004>014-019-191100- ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON- MECKLENBURG-CABARRUS-UNION NC-GREATER RUTHERFORD-EASTERN POLK- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER- GREENWOOD- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. GAZ018-026-028-029-191100- STEPHENS-FRANKLIN-HART-ELBERT- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT DRY AND BREEZY CONDITIONS ARE EXPECTED ACROSS NORTHEAST GEORGIA THIS AFTERNOON. A RED FLAG WARNING HAS BEEN ISSUED FROM NOON TO 7 PM EST TODAY. FOR THE LATEST DETAILS...SEE THE RED FLAG WARNING...CAERFWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. NCZ065-502-504-506-507-509-191100- HENDERSON-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL- RUTHERFORD MOUNTAINS-POLK MOUNTAINS- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A LAKE WIND ADVISORY IS IN EFFECT UNTIL 6 PM EST THIS AFTERNOON. FOR THE LATEST DETAILS ON THE WINDY CONDITIONS...PLEASE SEE THE URGENT WEATHER MESSAGE...CAENPWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. SCZ001>003-191100- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A LAKE WIND ADVISORY IS IN EFFECT UNTIL 6 PM EST THIS AFTERNOON. FOR THE LATEST DETAILS ON THE WINDY CONDITIONS...PLEASE SEE THE URGENT WEATHER MESSAGE...CAENPWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. GAZ010-191100- RABUN- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY. FOR THE LATEST DETAILS ON THE SNOW ACCUMULATIONS...PLEASE SEE THE URGENT WINTER WEATHER MESSAGE...CAEWSWGSP. A LAKE WIND ADVISORY IS ALSO IN EFFECT FROM NOON TO 6 PM EST. FOR THE LATEST DETAILS ON THE WINDY CONDITIONS...PLEASE SEE THE URGENT WEATHER MESSAGE...CAENPWGSP. VERY DRY CONDITIONS ARE ALSO EXPECTED IN LOCATIONS THAT DID NOT RECEIVE APPRECIABLE SNOWFALL. A RED FLAG WARNING IS IN EFFECT FROM NOON TO 7 PM EST THIS EVENING. FOR FURTHER DETAILS...SEE THE RED FLAG WARNING...CAERFWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ASKED TO RELAY ANY SNOWFALL REPORTS TO THE NATIONAL WEATHER SERVICE. GAZ017-191100- HABERSHAM- 329 AM EST SUN FEB 18 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT A LAKE WIND ADVISORY IS IN EFFECT UNTIL 6 PM EST. FOR THE LATEST DETAILS ON THE WINDY CONDITIONS...PLEASE SEE THE URGENT WEATHER MESSAGE...CAENPWGSP. VERY DRY CONDITIONS ARE ALSO EXPECTED THIS AFTERNOON. A RED FLAG WARNING IS IN EFFECT FROM NOON TO 7 PM EST THIS EVENING. FOR FURTHER DETAILS...SEE THE RED FLAG WARNING...CAERFWGSP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HG
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 3:29 AM EST | Lake Wind Advisory | GSP | Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more | 30 hr |
| Feb 18, 3:29 AM EST | Wind Advisory | GSP | Avery, Burke, Caldwell, McDowell, Mitchell, Yancey | 23 hr |
| Feb 18, 2:11 PM EST | Winter Weather Advisory | GSP | Avery, Madison, Mitchell, Yancey | 10 hr |
Nearby
High Wind Watches in North Carolina, 2007Every high wind watch in 2007
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.