Alert archive / North Carolina / Snow Advisories in 2007
Snow Advisory 2, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this snow advisory at Jan 22, 2007, 2:42 PM EST for 4 counties in North Carolina. It took effect at Jan 22, 2007, 9:00 PM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jan 22, 2007, 2:42 PM EST (19:42 UTC)
- In effect from
- Jan 22, 2007, 9:00 PM EST
- Expired
- Jan 23, 2007, 12:00 PM EST
- In force
- 15 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Avery County, NC, Madison County, NC, Mitchell County, NC, Yancey County, NC
The radar
The Knoxville radar (KMRX), 104 km from the middle of the area, began a volume at 19:41 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 12:00Z, 7.7 hours before the alert went out and 214 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
- 767 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS42 KGSP 221942 WSWGSP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 242 PM EST MON JAN 22 2007 ...SNOW SHOWERS TONIGHT AND TUESDAY MORNING... .A GUSTY NORTHWEST WIND WILL TRANSPORT COLD...MOIST AIR UP THE WESTERN SLOPES OF THE NORTH CAROLINA MOUNTAINS TONIGHT... SUPPORTING THE DEVELOPMENT OF SNOW SHOWERS ALONG THE TENNESSEE BORDER. SNOW SHOWERS WILL CONTINUE INTO TUESDAY MORNING. AROUND ONE INCH OF ACCUMULATION IS POSSIBLE FROM NEWLAND TO MARSHALL...WHERE A SNOW ADVISORY IS IN EFFECT TONIGHT AND TUESDAY MORNING. NCZ033-048>050-231000- /O.NEW.KGSP.SN.Y.0002.070123T0200Z-070123T1700Z/ AVERY-MADISON-YANCEY-MITCHELL- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE 242 PM EST MON JAN 22 2007 ...SNOW ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 12 PM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 12 PM EST TUESDAY...FOR AVERY...MITCHELL...YANCEY AND MADISON COUNTIES IN THE MOUNTAINS OF NORTH CAROLINA. NUMEROUS SNOW SHOWERS WILL DEVELOP ALONG THE TENNESSEE BORDER BY THE MIDDLE OF THIS EVENING...AND WILL CONTINUE THROUGH TUESDAY MORNING. AROUND ONE INCH OF SNOW ACCUMULATION IS EXPECTED FROM NEWLAND TO MARSHALL. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. STAY TUNED TO THE MEDIA OR NOAA WEATHER RADIO FOR THE LATEST INFORMATION. $$ 07
2 follow-up statements
000 WWUS42 KGSP 230211 WSWGSP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 911 PM EST MON JAN 22 2007 ...SNOW SHOWERS OVERNIGHT AND TUESDAY MORNING... .A GUSTY NORTHWEST WIND WILL TRANSPORT COLD AND MOIST AIR UP THE WESTERN SLOPES OF THE NORTH CAROLINA MOUNTAINS TONIGHT... SUPPORTING THE DEVELOPMENT OF SNOW SHOWERS ALONG THE TENNESSEE BORDER. SNOW SHOWERS WILL CONTINUE INTO TUESDAY MORNING. AROUND ONE INCH OF ACCUMULATION IS POSSIBLE FROM NEWLAND TO MARSHALL... ESPECIALLY ACROSS THE HIGH ELEVATIONS AND WEST FACING SLOPES. NCZ033-048>050-231100- /O.CON.KGSP.SN.Y.0002.000000T0000Z-070123T1700Z/ AVERY-MADISON-YANCEY-MITCHELL- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE 911 PM EST MON JAN 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST TUESDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM EST TUESDAY. NUMEROUS SNOW SHOWERS WILL BE SEEN ACROSS THOSE NORTH CAROLINA COUNTIES BORDERING TENNESSEE OVERNIGHT AND INTO TUESDAY MORNING. AROUND ONE INCH OF SNOW ACCUMULATION IS EXPECTED FROM NEWLAND TO MARSHALL...ESPECIALLY ACROSS HIGHER ELEVATIONS AND WEST-FACING SLOPES. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. STAY TUNED TO THE MEDIA OR NOAA WEATHER RADIO FOR THE LATEST INFORMATION. $$
000 WWUS42 KGSP 230822 WSWGSP URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 322 AM EST TUE JAN 23 2007 ...NORTHERN MOUNTAIN SNOW SHOWERS THIS MORNING... .A GUSTY NORTHWEST WIND WILL TRANSPORT COLD AND MOIST AIR UP THE WESTERN SLOPES OF THE NORTH CAROLINA MOUNTAINS THIS MORNING... SUPPORTING THE DEVELOPMENT OF LIGHT SNOW SHOWERS ALONG THE TENNESSEE BORDER. STORM TOTAL ACCUMULATIONS AROUND AN INCH IS EXPECTED FROM NEWLAND TO MARSHALL...ESPECIALLY ACROSS THE HIGH ELEVATIONS AND WEST FACING SLOPES. NCZ033-048>050-231700- /O.CON.KGSP.SN.Y.0002.000000T0000Z-070123T1700Z/ AVERY-MADISON-YANCEY-MITCHELL- INCLUDING THE CITIES OF...NEWLAND...SPRUCE PINE 322 AM EST TUE JAN 23 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY. SCATTERED TO NUMEROUS SNOW SHOWERS WILL REMAIN OVER MADISON... YANCEY...MITCHELL...AND AVERY COUNTIES THIS MORNING. STORM TOTAL ACCUMULATIONS AROUND AN INCH IS EXPECTED FROM NEWLAND TO MARSHALL...ESPECIALLY ACROSS THE HIGH ELEVATIONS AND WEST FACING SLOPES. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. STAY TUNED TO THE MEDIA OR NOAA WEATHER RADIO FOR THE LATEST INFORMATION. $$ NED
What forecasters said that day
The local office's own words before this snow 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 snow advisory went out at Jan 22, 1:51 PM EST, 51 minutes earlier.
Area forecast discussion, Jan 22, 1:51 PM EST, 51 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
151 PM EST MON JAN 22 2007
.SHORT TERM /TONIGHT THROUGH THURSDAY/...
AN UPPER LEVEL TROUGH WILL AMPLIFY OVER THE AREA TODAY AND
TONIGHT. A COLD FRONT WILL MOVE ACROSS THE MOUNTAINS THIS
EVENING... INTRODUCING MODEST NORTHWEST FLOW...AND A GRADUAL
EROSION OF LOW LEVEL MOISTURE IN THE LEE OF THE MOUNTAINS...WHILE
UPPER LEVEL MOISTURE RELATED TO THE JET STREAM WILL PERSIST.
UPSLOPE FLOW ALONG THE TENNESSEE LINE WILL IMPROVE...SUPPORTING
SNOW SHOWERS BY MID EVENING. ACCUMULATIONS WILL RUN AROUND ONE
INCH...AND A SNOW ADVISORY IS PLANNED FOR TONIGHT AND TUESDAY
MORNING. ENOUGH WIND IS EXPECTED FOR TONIGHT TO CARRY A LAKE WIND
ADVISORY TO ALL OF THE NORTH CAROLINA MOUNTAINS...PLUS RABUN
COUNTY IN GEORGIA. TEMPERATURES TONIGHT WILL BE MODERATED BY WIND
AND CLOUD COVER...THEN WILL EXHIBIT A MARKED CONTRAST ACROSS
TERRAIN AS DOWNSLOPE WARMING OFFSETS COLD ADVECTION IN THE LEE OF
THE MOUNTAINS.
A SHORTWAVE WILL ROUND THE BROAD ERN CANADA UPPER TROUGH AND
SWING THROUGH THE MIDWEST EARLY WEDNESDAY...REACHING THE SOUTHERN
APPALACHIANS BY WEDNESDAY NIGHT. THE BEST MOISTURE AHEAD OF THIS
WAVE WEDNESDAY WILL PASS MAINLY TO THE NORTH OF THE FORECAST
AREA...BUT SOME SFC TO 850 MB MOISTURE COULD BANK UP AGAINST THE
SRN APPALACHIANS TO WRING OUT SCATTERED SNOW SHOWERS OR FLURRIES
THROUGH WED NIGHT. ANY LIGHT ACCUMULATIONS SHOULD BE LIMITED TO TN
BORDER AND HIGH MTN LOCATIONS LATE WED/EARLY WED NIGHT. DEEP
LAYER DRYING UNDER NW FLOW IS THEN ANTICIPATED FOR THU.
THICKNESSES WILL REMAIN QUITE CHILLY...BUT BETTER INSOLATION AND
KATABATIC FLOW INTO THE PIEDMONT WILL YIELD WARMER MAXES THAN
PREVIOUSLY EXPECTED.
&&
.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
THE AXIS OF THE DEEP EAST COAST TROUGH SHOULD BE JUST OFF THE
EASTERN SEABOARD EARLY FRIDAY...WITH SOME RESIDUAL GUSTY NW FLOW
IN THE BETTER PRESSURE GRADIENT ACROSS THE NRN TIER. A FLAT RIDGE
SHOULD THEN BUILD EASTWARD ACROSS THE APPALACHIANS THROUGH EARLY
SATURDAY. THE GFS HAS RECENTLY COME MORE IN LINE WITH THE FAVORED
ECM ON THE HANDLING OF THE NEXT TWO UPPER WAVES. THIS WILL INCLUDE
A SOUTHERN STREAM SYSTEM THAT DAMPENS AS IT MOVE EAST ACROSS THE
SOUTHERN STATES BY MID WEEKEND. THE MOISTURE SHOULD BE SCANT WITH
THIS FAST MOVING WAVE. THEN...THE ECM/GFS ARE ALSO QUITE PROGRESSIVE
WITH THE CANADIAN SYSTEM CARVING OUT ANOTHER DEEP ERN TROUGH
SUNDAY THROUGH MONDAY. LOW END RAIN/SNOW CHANCES WILL BE
FEATURED...MAINLY IN THE NC MTNS...FOR SUNDAY WITH RESIDUAL NW
FLOW INTO SUNDAY NIGHT.
&&
.AVIATION...
CEILINGS AND VISIBILITY WILL BE SLOW TO IMPROVE THIS AFTERNOON IN
LIGHT WINDS AND ONLY MINIMAL HEATING THROUGH EXTENSIVE CLOUD COVER.
MODEL GUIDANCE DOES VEER WINDS TO A MARGINAL DOWNSLOPE COMPONENT
LATE THIS AFTERNOON...PERHAPS IN RESPONSE TO A LEE TROUGH EVIDENT
ON SURFACE ANALYSES. AN APPROACHING COLD FRONT WILL VEER THE WIND
TO THE NORTHWEST THIS EVENING...WITH THE RESULTANT DOWNSLOPE FLOW
ERODING LOW LEVEL MOISTURE AS WINDS INCREASE AND MIX DRIER AIR
INTO THE REGION. KAVL WILL MAINTAIN AN MVFR CEILING IN GUSTY UPVALLEY
FLOW. ALL AREAS WILL SEE EXTENSIVE HIGH LEVEL CLOUDS WITH THE
UPPER LEVEL JET STREAM. BEFORE DAWN...UPPER LEVEL MOISTURE
DECREASES AS WELL...WHILE WINDS CONTINUE TO GRADUALLY VEER TO THE
NORTH....REMAINING GUSTY AT KAVL.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...LAKE WIND ADVISORY FOR GAZ010 FROM 6 PM MONDAY TO 6 AM TUESDAY.
NC...LAKE WIND ADVISORY FOR NCZ033-049-050 UNTIL 6 AM TUESDAY.
...SNOW ADVISORY FOR NCZ033-048>050 FROM 9 PM MONDAY TO NOON
TUESDAY.
...LAKE WIND ADVISORY FOR NCZ034-048-051>055-058-059-062>066-501-
503-505-507-509 FROM 6 PM MONDAY TO 6 AM TUESDAY.
SC...NONE.
&&
SHORT TERM...HG/JAT
LONG TERM...HG
AVIATION...JATHazardous weather outlook, Jan 22, 5:57 AM EST, 8 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 557 AM EST MON JAN 22 2007 NCZ033-048>053-058-059-062>065-501-503-505-507-509-231100- AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS- 557 AM EST MON JAN 22 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT SHOWERS WILL DEVELOP THIS AFTERNOON ACROSS THE NORTH CAROLINA MOUNTAINS. THE RAIN WILL CHANGE TO SNOW TONIGHT AS COLD AIR MOVES INTO THE AREA. SNOW AMOUNTS COULD REACH UP TO AN INCH IN THE HIGHER ELEVATIONS OF THE NORTHERN MOUNTAINS. A WINTER WEATHER ADVISOR MAY BE NEEDED LATER TONIGHT. WINDS WILL ALSO INCREASE IN SPEED AND BECOME GUSTY ACROSS THE NORTH CAROLINA MOUNTAINS TONIGHT. WINDS WILL REACH THE 15 TO 25 MPH RANGE...WITH GUSTS UP TO 40 MPH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A CHANCE OF SNOW SHOWERS FROM LATE WEDNESDAY THROUGH THURSDAY NIGHT ACROSS THE NORTH CAROLINA MOUNTAINS. A SIGNIFICANT SNOW ACCUMULATION IS POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504- 506-508-510-SCZ001>014-019-231100- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL- DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS- UNION NC-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL- GREATER RUTHERFORD-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 557 AM EST MON JAN 22 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST GEORGIA...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...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 9:57 AM EST | Lake Wind Advisory | GSP | Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more | 17 hr |
Nearby
Snow Advisories in North Carolina, 2007Every snow advisory 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.