Alert archive / Virginia / Ice Storm Warnings in 2007

Ice Storm Warning 3, NWS Blacksburg, VA

December 14, 200718 counties in Virginia; Monroe County, West Virginia

NWS Blacksburg, VA issued this ice storm warning at Dec 14, 2007, 3:10 PM EST for 18 counties in Virginia; Monroe County, West Virginia. It took effect at Dec 15, 2007, 6:12 AM EST. It was in force for 23 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 14, 2007, 3:10 PM EST (20:10 UTC)
In effect from
Dec 15, 2007, 6:12 AM EST
Expired
Dec 16, 2007, 5:09 AM EST
In force
23 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, VA, Amherst County, VA, Bath County, VA, Bedford County, VA, Botetourt County, VA, Carroll County, VA, City of Buena Vista, VA, City of Covington, VA, City of Galax, VA, City of Lexington, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Giles County, VA, Montgomery County, VA, Roanoke County, VA, Rockbridge County, VA, Monroe County, WV

The radar

The Roanoke radar (KFCX), 50 km from the middle of the area, began a volume at 20:14 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

Roanoke, VA (KRNK), launched 12:00Z, 8.2 hours before the alert went out and 52 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.

Skew-T log-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2007-12-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2007-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
975 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS41 KRNK 142010
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
310 PM EST FRI DEC 14 2007

...SIGNIFICANT ICING POSSIBLE SATURDAY AFTERNOON INTO SUNDAY
MORNING...

HIGH PRESSURE OVER THE NORTHEAST...WILL KEEP COLD AIR IN PLACE
ALONG THE BLUE RIDGE. AS A STORM MOVES INTO THE TENNESSEE
VALLEY...PRECIPITATION AHEAD OF IT WILL FALL INTO THE COLD AIR.
ANOTHER AREA OF LOW PRESSURE WILL DEVELOP ALONG THE MIDDLE
ATLANTIC COAST SATURDAY NIGHT. THUS...RAIN WILL FALL UPON SUB
FREEZING SURFACES...WITH ICE ACCRETION OF ONE QUARTER TO ONE HALF
INCH.

VAZ017>020-022>024-034-035-WVZ044-045-150415-
/O.UPG.KRNK.WS.A.0004.071215T1700Z-071216T1100Z/
/O.NEW.KRNK.IS.W.0003.071215T1700Z-071216T1400Z/
FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
BEDFORD-AMHERST-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...FLOYD...NEW CASTLE...CLIFTON FORGE...
HOT SPRINGS...SALEM...FINCASTLE...LEXINGTON...BEDFORD...AMHERST...
UNION...LEWISBURG
310 PM EST FRI DEC 14 2007

...ICE STORM WARNING IN EFFECT FROM 12 PM SATURDAY TO 9 AM EST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED AN ICE
STORM WARNING...WHICH IS IN EFFECT FROM 12 PM SATURDAY TO 9 AM
EST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

ONE QUARTER TO ONE HALF INCH OF ICE IS EXPECTED...WITH THE
MOST ICE ALONG THE HIGHER ELEVATIONS OF THESE COUNTIES...ALONG
WITH THE SOUTHERN EDGE OF THE SHENANDOAH VALLEY.

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED
POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER.

 

$$

VAZ011-013-014-016-032-033-150415-
/O.UPG.KRNK.WS.A.0004.071215T1700Z-071216T1100Z/
/O.NEW.KRNK.ZR.Y.0005.071215T1700Z-071216T1400Z/
GILES-PULASKI-MONTGOMERY-CARROLL-PATRICK-FRANKLIN-
INCLUDING THE CITIES OF...PEARISBURG...PULASKI...RADFORD...
BLACKSBURG...GALAX...STUART...ROCKY MOUNT
310 PM EST FRI DEC 14 2007

...FREEZING RAIN ADVISORY IN EFFECT FROM 12 PM SATURDAY TO 9 AM
EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZING
RAIN ADVISORY...WHICH IS IN EFFECT FROM 12 PM SATURDAY TO 9 AM
EST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

WARMER AIR QUICKLY ARRIVING FROM THE SOUTH WILL KEEP ICE
ACCUMULATIONS LESS THAN A QUARTER OF AN INCH.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$

NCZ001>003-018-019-150415-
/O.NEW.KRNK.ZR.Y.0005.071215T1700Z-071216T1400Z/
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
BOONE...WILKESBORO
310 PM EST FRI DEC 14 2007

...FREEZING RAIN ADVISORY IN EFFECT FROM 12 PM SATURDAY TO 9 AM
EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZING
RAIN ADVISORY...WHICH IS IN EFFECT FROM 12 PM SATURDAY TO 9 AM
EST SUNDAY. 

WARMER AIR QUICKLY ARRIVING FROM THE SOUTH WILL KEEP ICE
ACCUMULATIONS LESS THAN A QUARTER OF AN INCH.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$
6 follow-up statements
000 
WWUS41 KRNK 150314
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1014 PM EST FRI DEC 14 2007

...SIGNIFICANT ICING POSSIBLE SATURDAY AFTERNOON INTO SUNDAY
MORNING...

HIGH PRESSURE OVER THE NORTHEAST...WILL KEEP COLD AIR IN PLACE
ALONG THE BLUE RIDGE. AS A STORM MOVES INTO THE TENNESSEE
VALLEY...PRECIPITATION AHEAD OF IT WILL FALL INTO THE COLD AIR.
ANOTHER AREA OF LOW PRESSURE WILL DEVELOP ALONG THE MIDDLE
ATLANTIC COAST SATURDAY NIGHT. THUS...RAIN WILL FALL UPON SUB
FREEZING SURFACES...WITH ICE ACCRETION OF ONE QUARTER TO ONE HALF
INCH.

VAZ017>020-022>024-034-035-WVZ044-045-151115-
/O.CON.KRNK.IS.W.0003.071215T1700Z-071216T1400Z/
FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
BEDFORD-AMHERST-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...FLOYD...NEW CASTLE...CLIFTON FORGE...
HOT SPRINGS...SALEM...FINCASTLE...LEXINGTON...BEDFORD...AMHERST...
UNION...LEWISBURG
1014 PM EST FRI DEC 14 2007

...ICE STORM WARNING REMAINS IN EFFECT FROM 12 PM SATURDAY TO
9 AM EST SUNDAY...

AN ICE STORM WARNING REMAINS IN EFFECT FROM 12 PM SATURDAY TO
9 AM EST SUNDAY. 

FREEZING RAIN WILL DEVELOP MID-DAY SATURDAY AND CONTINUE THROUGH
SATURDAY NIGHT. A PERIOD OF SLEET MAY OCCUR AT THE ONSET...BUT THE
PRIMARY FORM OF PRECIPITATION IS EXPECTED TO BE FREEZING RAIN.
TEMPERATURES MAY INITIALLY START OFF IN THE MID 30S...BUT FALL
INTO THE LOWER 30S...OR EVEN THE UPPER 20S SATURDAY EVENING.

ONE QUARTER TO ONE HALF INCH OF ICE IS EXPECTED...WITH THE MOST
ICE ACCUMULATING IN THE HIGHER ELEVATIONS OF THESE COUNTIES...AND
INTO THE SHENANDOAH VALLEY.

THIS ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS ARE POSSIBLE...
ESPECIALLY ON ELEVATED SURFACES...AND ON BRIDGES AND OVERPASSES.
TRAVEL IS EXPECTED TO BECOME DANGEROUS...ESPECIALLY THE FARTHER
NORTH YOU TRAVEL INTO THE WARNED AREA. IF YOU MUST TRAVEL...KEEP AN
EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED
POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER.

$$

NCZ001>003-018-019-VAZ011-013-014-016-032-033-151115-
/O.CON.KRNK.ZR.Y.0005.071215T1700Z-071216T1400Z/
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-GILES-PULASKI-MONTGOMERY-
CARROLL-PATRICK-FRANKLIN-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
BOONE...WILKESBORO...PEARISBURG...PULASKI...RADFORD...
BLACKSBURG...GALAX...STUART...ROCKY MOUNT
1014 PM EST FRI DEC 14 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 12 PM SATURDAY
TO 9 AM EST SUNDAY...

A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 12 PM SATURDAY TO
9 AM EST SUNDAY. 

RAIN IS EXPECTED TO DEVELOP MID-DAY SATURDAY AND CONTINUE INTO
SATURDAY NIGHT. TEMPERATURES WILL BE IN THE 30S WITH SOME LOCATIONS
REMAINING AROUND FREEZING. THIS WILL RESULT IN A LIGHT COATING 
OF ICE...MAINLY ON ELEVATED SURFACES. WARMER AIR IS EXPECTED TO
MOVE INTO THE AREA FROM THE SOUTH RESULTING IN RISING TEMPERATURES 
SUNDAY MORNING. THIS SHOULD KEEP ICE ACCUMULATIONS LESS THAN A
QUARTER OF AN INCH.

THIS FREEZING RAIN ADVISORY MEANS THAT A PERIOD OF FREEZING RAIN
OR FREEZING DRIZZLE IS EXPECTED. THIS MAY CAUSE TRAVEL
DIFFICULTIES...ESPECIALLY ON BRIDGES AND OVERPASSES.  BE PREPARED
FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KRNK 151112
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
612 AM EST SAT DEC 15 2007

...SIGNIFICANT ICING POSSIBLE THIS AFTERNOON INTO SUNDAY
MORNING...

HIGH PRESSURE OVER THE NORTHEAST...WILL KEEP COLD AIR IN PLACE
ALONG THE BLUE RIDGE. AS A STORM MOVES INTO THE OHIO VALLEY...
RAIN AND FREEZING RAIN WILL SPREAD ACROSS THE REGION. 

VAZ011-152315-
/O.UPG.KRNK.ZR.Y.0005.071215T1700Z-071216T1400Z/
/O.EXA.KRNK.IS.W.0003.071215T1700Z-071216T1400Z/
GILES-
INCLUDING THE CITY OF...PEARISBURG
612 AM EST SAT DEC 15 2007

...ICE STORM WARNING IN EFFECT FROM NOON TODAY TO 9 AM EST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED AN ICE
STORM WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 9 AM EST
SUNDAY. THE FREEZING RAIN ADVISORY HAS BEEN UPGRADED.

RAIN WILL BECOME WIDESPREAD ACROSS THE REGION EARLY THIS
AFTERNOON. AS THE COVERAGE AND INTENSITY OF THE RAIN
INCREASES...SURFACES TEMPERATURES IN SOME LOCATIONS WILL DROP TO
NEAR FREEZING.

THE RAIN AND FREEZING RAIN WILL CONTINUE UNTIL SUNDAY MORNING. ICE
ACCUMULATION IN THE NORTHERN PART OF THE COUNTY WILL BE UP TO ONE
HALF OF AN INCH. THE ICE ACCRETION IN THE CENTRAL AND SOUTHERN
PART OF GILES COUNTY IS EXPECTED TO BE LESS THAN ONCE TENTH OF AN
INCH.

ON SUNDAY MORNING THE RAIN AND FREEZING RAIN WILL CHANGE OVER TO
SLEET THEN SNOW BEFORE ENDING. IN ADDITION...VERY STRONG ON
SUNDAY AND SUNDAY NIGHT MAY CAUSE TO DAMAGE TO TREES AND POWER
LINES THAT HAVE A SIGNIFICANT COATING OF ICE.

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU
MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL
LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT
ADD TO THE DANGER.

$$

VAZ017>020-022>024-034-035-WVZ044-045-152315-
/O.CON.KRNK.IS.W.0003.071215T1700Z-071216T1400Z/
FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
BEDFORD-AMHERST-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...FLOYD...NEW CASTLE...CLIFTON FORGE...
HOT SPRINGS...SALEM...FINCASTLE...LEXINGTON...BEDFORD...AMHERST...
UNION...LEWISBURG
612 AM EST SAT DEC 15 2007

...ICE STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 AM
EST SUNDAY...

AN ICE STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 AM
EST SUNDAY. 
 
RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
EARLY THIS AFTERNOON. A PERIOD OF SLEET MAY OCCUR AT THE
ONSET...BUT THE MAIN TYPE OF PRECIPITATION WILL BE FREEZING RAIN.

AS THE COVERAGE AND INTENSITY OF THE RAIN INCREASES ...SURFACES
TEMPERATURES WILL DROP INTO THE LOWER 30S THIS AFTERNOON..THEN
INTO THE UPPER 20S TONIGHT. THE FREEZING RAIN WILL CONTINUE UNTIL
SUNDAY MORNING.

ICE ACCUMULATION BY SUNDAY MORNING WILL BE ONE QUARTER TO ONE HALF
OF AN INCH. THE HEAVIEST ACCUMULATION OF ICE WILL BE ALONG THE
BLUE RIDGE FROM MONTEBELLO TO PEAKS OF OTTER AND IN THE SHENANDOAH
VALLEY...FROM BATH COUNTY TO NORTHERN CRAIG COUNTY.

ON SUNDAY MORNING THE FREEZING RAIN WILL CHANGE OVER TO SLEET
THEN SNOW BEFORE ENDING. IN ADDITION...VERY STRONG WINDS ON SUNDAY
AND SUNDAY NIGHT MAY CAUSE TO DAMAGE TO TREES AND POWER LINES THAT
HAVE A SIGNIFICANT COATING OF ICE.

THIS ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS ARE POSSIBLE...
 ESPECIALLY ON ELEVATED SURFACES...AND ON BRIDGES AND OVERPASSES.
TRAVEL IS EXPECTED TO BECOME DANGEROUS...ESPECIALLY THE FARTHER
NORTH YOU TRAVEL INTO THE WARNED AREA. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE
OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO
SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE
DANGER.

$$

VAZ015-152315-
/O.EXA.KRNK.ZR.Y.0005.071215T1700Z-071216T1400Z/
GRAYSON-
INCLUDING THE CITY OF...INDEPENDENCE
612 AM EST SAT DEC 15 2007

...FREEZING RAIN ADVISORY IN EFFECT FROM NOON TODAY TO 9 AM EST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZING
RAIN ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 9 AM EST
SUNDAY. 

RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
EARLY THIS AFTERNOON. A PERIOD OF SLEET MAY OCCUR AT THE
ONSET. AS THE COVERAGE AND INTENSITY OF THE RAIN INCREASES
...SURFACES TEMPERATURES WILL DROP INTO THE LOWER 30S. THE RAIN
AND FREEZING RAIN WILL CONTINUE UNTIL SUNDAY MORNING.

ICE ACCUMULATION BY SUNDAY MORNING WILL BE UP TO ONE QUARTER OF AN
INCH...WITH THE HEAVIEST ACCUMULATION OF ICE AT THE HIGHEST
ELEVATIONS. 

THIS FREEZING RAIN ADVISORY MEANS THAT A PERIOD OF FREEZING RAIN
OR FREEZING DRIZZLE IS EXPECTED. THIS MAY CAUSE TRAVEL
DIFFICULTIES...ESPECIALLY ON BRIDGES AND OVERPASSES.  BE PREPARED
FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$

NCZ001>003-018-019-VAZ013-014-016-032-033-152315-
/O.CON.KRNK.ZR.Y.0005.071215T1700Z-071216T1400Z/
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-PULASKI-MONTGOMERY-CARROLL-
PATRICK-FRANKLIN-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
BOONE...WILKESBORO...PULASKI...RADFORD...BLACKSBURG...GALAX...
STUART...ROCKY MOUNT
612 AM EST SAT DEC 15 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
9 AM EST SUNDAY...

A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
9 AM EST SUNDAY. 

RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
EARLY THIS AFTERNOON. A PERIOD OF SLEET MAY OCCUR AT THE
ONSET. AS THE COVERAGE AND INTENSITY OF THE RAIN INCREASES
...SURFACES TEMPERATURES WILL DROP INTO THE LOWER 30S. THE RAIN
AND FREEZING RAIN WILL CONTINUE UNTIL SUNDAY MORNING.

ICE ACCUMULATION BY SUNDAY MORNING WILL BE AROUND ONE TENTH OF AN INCH.
INCH.

THIS FREEZING RAIN ADVISORY MEANS THAT A PERIOD OF FREEZING
RAIN OR FREEZING DRIZZLE IS EXPECTED. THIS MAY CAUSE TRAVEL
DIFFICULTIES...ESPECIALLY ON BRIDGES AND OVERPASSES. BE PREPARED
FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KRNK 151752
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1252 PM EST SAT DEC 15 2007

...SIGNIFICANT ICING POSSIBLE LATE TODAY INTO EARLY SUNDAY MORNING...

HIGH PRESSURE OVER THE NORTHEAST...WILL KEEP COLD AIR IN PLACE
ALONG THE BLUE RIDGE. AS A STORM MOVES INTO THE OHIO VALLEY...
RAIN AND FREEZING RAIN WILL SPREAD ACROSS THE REGION.

VAZ011-017>020-022>024-034-035-WVZ044-045-160200-
/O.CON.KRNK.IS.W.0003.000000T0000Z-071216T1400Z/
GILES-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
BEDFORD-AMHERST-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...PEARISBURG...FLOYD...NEW CASTLE...
CLIFTON FORGE...HOT SPRINGS...SALEM...FINCASTLE...LEXINGTON...
BEDFORD...AMHERST...UNION...LEWISBURG
1252 PM EST SAT DEC 15 2007

...ICE STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST SUNDAY...

AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST SUNDAY. 

RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
LATE THIS AFTERNOON. A PERIOD OF SLEET MAY OCCUR AT THE ONSET...BUT
THE MAIN TYPE OF PRECIPITATION WILL BE FREEZING RAIN.

AS THE COVERAGE AND INTENSITY OF THE RAIN INCREASES ...SURFACES
TEMPERATURES WILL DROP INTO THE LOWER 30S LATE THIS
AFTERNOON...THEN JUST BELOW FREEZING IN MANY PLACES TONIGHT. THE
FREEZING RAIN WILL CONTINUE FOR SEVERAL HOURS TONIGHT...BUT MAINLY
DURING THE EVENING HOURS. 

ICE ACCUMULATION BY SUNDAY MORNING WILL VARY WIDELY...BUT WILL
RANGE FROM ABOUT A TENTH OF AN INCH IN THE LOWER ELEVATIONS TO
UP TO ONE HALF OF AN INCH AT HIGH ELEVATIONS. THE HEAVIEST
ACCUMULATIONS OF ICE WILL BE ABOVE 2500 FEET NORTH OF ROANOKE. THE
ROANOKE VALLEY MAY SEE ONLY LIGHT AMOUNTS...MAINLY ON ELEVATED
SURFACES AND ON BRIDGES AND OVERPASSES.

IN ADDITION...VERY STRONG WINDS ON SUNDAY AND SUNDAY NIGHT MAY
CAUSE DAMAGE TO TREES AND POWER LINES THAT HAVE A SIGNIFICANT
COATING OF ICE.

THIS ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS ARE POSSIBLE...
ESPECIALLY ON ELEVATED SURFACES...AND ON BRIDGES AND OVERPASSES.
TRAVEL IS EXPECTED TO BECOME DANGEROUS...ESPECIALLY THE FARTHER
NORTH YOU TRAVEL INTO THE WARNED AREA. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO
SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE
DANGER.

$$

VAZ010-012-045>047-WVZ042-043-160200-
/O.EXA.KRNK.ZR.Y.0005.000000T0000Z-071216T1400Z/
BLAND-WYTHE-CAMPBELL-APPOMATTOX-BUCKINGHAM-MERCER-SUMMERS-
INCLUDING THE CITIES OF...BLAND...WYTHEVILLE...LYNCHBURG...
APPOMATTOX...BLUEFIELD...HINTON
1252 PM EST SAT DEC 15 2007

...FREEZING RAIN ADVISORY IN EFFECT UNTIL 9 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZING
RAIN ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM EST SUNDAY. 

RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
LATE THIS AFTERNOON. AS THE COVERAGE AND INTENSITY OF THE RAIN
INCREASES...SURFACES TEMPERATURES WILL DROP INTO THE LOWER 30S
WITH ICE ACCRETION DEVELOPING ON ELEVATED SURFACES AND ON SOME
BRIDGES AND OVERPASSES.

TEMPERATURES WILL WARM UP LATE TONIGHT AND SHOULD END ANY
SIGNIFICANT ICE ACCRETION.

THIS FREEZING RAIN ADVISORY MEANS THAT A PERIOD OF FREEZING RAIN
OR FREEZING DRIZZLE IS EXPECTED. THIS MAY CAUSE TRAVEL
DIFFICULTIES...ESPECIALLY ON BRIDGES AND OVERPASSES. BE PREPARED
FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$

NCZ001>003-018-019-VAZ013>016-032-033-160200-
/O.CON.KRNK.ZR.Y.0005.000000T0000Z-071216T1400Z/
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-PATRICK-FRANKLIN-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
BOONE...WILKESBORO...PULASKI...RADFORD...BLACKSBURG...
INDEPENDENCE...GALAX...STUART...ROCKY MOUNT
1252 PM EST SAT DEC 15 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST
SUNDAY...

A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST SUNDAY.

RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
LATE THIS AFTERNOON. AS THE COVERAGE AND INTENSITY OF THE RAIN
INCREASES...SURFACES TEMPERATURES WILL DROP INTO THE LOWER 30S TO
NEAR 30 IN MANY PLACES. ICE ACCRETION WILL DEVELOP ON ELEVATED
SURFACES AND ON BRIDGES AND OVERPASSES. TRAVEL COULD BECOME
HAZARDOUS TOWARD SUNSET AND THROUGH THE EVENING HOURS.

TEMPERATURES WILL SLOWLY WARM OVERNIGHT WITH ICE ACCRETION
DIMINISHING BY EARLY SUNDAY.

THIS FREEZING RAIN ADVISORY MEANS THAT A PERIOD OF FREEZING RAIN
OR FREEZING DRIZZLE IS EXPECTED. THIS MAY CAUSE TRAVEL
DIFFICULTIES...ESPECIALLY ON BRIDGES AND OVERPASSES. BE PREPARED
FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KRNK 152100
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
400 PM EST SAT DEC 15 2007

...SIGNIFICANT ICING POSSIBLE LATE TODAY INTO EARLY SUNDAY
MORNING...

HIGH PRESSURE OVER THE NORTHEAST...WILL KEEP COLD AIR IN PLACE
ALONG THE BLUE RIDGE. AS A STORM MOVES INTO THE OHIO VALLEY...
RAIN AND FREEZING RAIN WILL SPREAD ACROSS THE REGION OVERNIGHT.

VAZ014-016-160500-
/O.UPG.KRNK.ZR.Y.0005.000000T0000Z-071216T1400Z/
/O.EXA.KRNK.IS.W.0003.000000T0000Z-071216T1400Z/
MONTGOMERY-CARROLL-
INCLUDING THE CITIES OF...RADFORD...BLACKSBURG...GALAX
400 PM EST SAT DEC 15 2007

...ICE STORM WARNING IN EFFECT UNTIL 9 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED AN ICE
STORM WARNING...WHICH IS IN EFFECT UNTIL 9 AM EST SUNDAY. THE
FREEZING RAIN ADVISORY IS NO LONGER IN EFFECT. 

RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
LATE THIS AFTERNOON. AS THE COVERAGE AND INTENSITY OF THE RAIN
INCREASES...SURFACES TEMPERATURES WILL DROP FROM CURRENT READINGS
NEAR 30 TO THE UPPER 20S IN SOME PLACES. ICE ACCRETION WILL
DEVELOP ON ELEVATED SURFACES AND ON BRIDGES AND OVERPASSES. TRAVEL
COULD BECOME HAZARDOUS TOWARD SUNSET AND THROUGH THE EVENING
HOURS.

TEMPERATURES WILL SLOWLY WARM OVERNIGHT WITH ICE ACCRETION
DIMINISHING BY EARLY SUNDAY.

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED
POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER.


$$

VAZ011-017>020-022>024-034-035-WVZ044-045-160500-
/O.CON.KRNK.IS.W.0003.000000T0000Z-071216T1400Z/
GILES-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
BEDFORD-AMHERST-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...PEARISBURG...FLOYD...NEW CASTLE...
CLIFTON FORGE...HOT SPRINGS...SALEM...FINCASTLE...LEXINGTON...
BEDFORD...AMHERST...UNION...LEWISBURG
400 PM EST SAT DEC 15 2007

...ICE STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST SUNDAY...

AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST SUNDAY. 

RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
LATE THIS AFTERNOON. A PERIOD OF SLEET MAY OCCUR AT THE ONSET...
BUT THE MAIN TYPE OF PRECIPITATION WILL BE FREEZING RAIN.

AS THE COVERAGE AND INTENSITY OF THE RAIN INCREASES ...SURFACES
TEMPERATURES WILL DROP INTO THE LOWER 30S LATE THIS AFTERNOON...
THEN JUST BELOW FREEZING IN MANY PLACES TONIGHT. THE FREEZING
RAIN WILL CONTINUE FOR SEVERAL HOURS TONIGHT...BUT MAINLY DURING
THE EVENING HOURS.

ICE ACCUMULATION BY SUNDAY MORNING WILL VARY WIDELY...BUT WILL
RANGE FROM ABOUT A TENTH OF AN INCH IN THE LOWER ELEVATIONS TO UP
TO ONE HALF OF AN INCH AT HIGH ELEVATIONS. THE HEAVIEST
ACCUMULATIONS OF ICE WILL BE ABOVE 2500 FEET NORTH OF ROANOKE.
THE ROANOKE VALLEY MAY SEE ONLY LIGHT AMOUNTS...MAINLY ON
ELEVATED SURFACES AND ON BRIDGES AND OVERPASSES.

IN ADDITION...VERY STRONG WINDS ON SUNDAY AND SUNDAY NIGHT MAY
CAUSE DAMAGE TO TREES AND POWER LINES THAT HAVE A SIGNIFICANT
COATING OF ICE.

THIS ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS ARE POSSIBLE...
ESPECIALLY ON ELEVATED SURFACES...AND ON BRIDGES AND OVERPASSES.
TRAVEL IS EXPECTED TO BECOME DANGEROUS...ESPECIALLY THE FARTHER
NORTH YOU TRAVEL INTO THE WARNED AREA. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO
SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE
DANGER.

$$

NCZ001>003-018-019-VAZ010-012-013-015-032-033-045>047-WVZ042-043-
160500-
/O.CON.KRNK.ZR.Y.0005.000000T0000Z-071216T1400Z/
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-BLAND-WYTHE-PULASKI-
GRAYSON-PATRICK-FRANKLIN-CAMPBELL-APPOMATTOX-BUCKINGHAM-MERCER-
SUMMERS-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
BOONE...WILKESBORO...BLAND...WYTHEVILLE...PULASKI...
INDEPENDENCE...STUART...ROCKY MOUNT...LYNCHBURG...APPOMATTOX...
BLUEFIELD...HINTON
400 PM EST SAT DEC 15 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST
SUNDAY...

A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST SUNDAY.

RAIN AND FREEZING RAIN WILL BECOME WIDESPREAD ACROSS THE REGION
LATE THIS AFTERNOON. AS THE COVERAGE AND INTENSITY OF THE RAIN
INCREASES...SURFACES TEMPERATURES WILL DROP INTO THE LOWER 30S
WITH ICE ACCRETION DEVELOPING ON ELEVATED SURFACES AND ON SOME
BRIDGES AND OVERPASSES.

TEMPERATURES WILL WARM UP LATE TONIGHT AND SHOULD END ANY
SIGNIFICANT ICE ACCRETION.

THIS FREEZING RAIN ADVISORY MEANS THAT A PERIOD OF FREEZING RAIN
OR FREEZING DRIZZLE IS EXPECTED. THIS MAY CAUSE TRAVEL
DIFFICULTIES...ESPECIALLY ON BRIDGES AND OVERPASSES. BE PREPARED
FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KRNK 160626
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
126 AM EST SUN DEC 16 2007

...SIGNIFICANT ICING POSSIBLE LATE TONIGHT INTO EARLY SUNDAY
MORNING...

HIGH PRESSURE OVER THE NORTHEAST...WILL KEEP COLD AIR IN PLACE
ALONG THE BLUE RIDGE. AS A STORM MOVES INTO THE OHIO VALLEY...
RAIN AND FREEZING RAIN WILL CONTINUE ACROSS THE REGION.

VAZ011-014-016>020-022>024-034-035-WVZ044-045-161400-
/O.CON.KRNK.IS.W.0003.000000T0000Z-071216T1400Z/
GILES-MONTGOMERY-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-
BOTETOURT-ROCKBRIDGE-BEDFORD-AMHERST-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...PEARISBURG...RADFORD...BLACKSBURG...
GALAX...FLOYD...NEW CASTLE...CLIFTON FORGE...HOT SPRINGS...
SALEM...FINCASTLE...LEXINGTON...BEDFORD...AMHERST...UNION...
LEWISBURG
126 AM EST SUN DEC 16 2007

...ICE STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...

AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING. 

PERIODS OF RAIN AND FREEZING RAIN WILL CONTINUE OVERNIGHT. 

TEMPERATURES WILL BE AROUND FREEZING FOR THE REST OF THE NIGHT SO ICE
ACCUMULATION BY SUNDAY MORNING WILL VARY WIDELY. THE HEAVIEST
ACCUMULATIONS OF ICE WILL BE ABOVE 2500 FEET NORTH OF ROANOKE.

IN ADDITION...VERY STRONG WINDS ON SUNDAY AND SUNDAY NIGHT MAY
CAUSE DAMAGE TO TREES AND POWER LINES THAT HAVE A SIGNIFICANT
COATING OF ICE.

THIS ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS ARE POSSIBLE...
ESPECIALLY ON ELEVATED SURFACES...AND ON BRIDGES AND OVERPASSES.
TRAVEL IS EXPECTED TO BECOME DANGEROUS...ESPECIALLY THE FARTHER
NORTH YOU TRAVEL INTO THE WARNED AREA. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO
SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE
DANGER.

$$

NCZ001>003-018-019-VAZ010-012-013-015-032-033-045>047-WVZ042-043-
161400-
/O.CON.KRNK.ZR.Y.0005.000000T0000Z-071216T1400Z/
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-BLAND-WYTHE-PULASKI-
GRAYSON-PATRICK-FRANKLIN-CAMPBELL-APPOMATTOX-BUCKINGHAM-MERCER-
SUMMERS-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
BOONE...WILKESBORO...BLAND...WYTHEVILLE...PULASKI...
INDEPENDENCE...STUART...ROCKY MOUNT...LYNCHBURG...APPOMATTOX...
BLUEFIELD...HINTON
126 AM EST SUN DEC 16 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...

PERIODS OF RAIN AND FREEZING RAIN WILL CONTINUE OVERNIGHT.
TEMPERATURES WILL BE IN THE LOWER TO MID 30S...SO ONLY MINOR
ADDITIONAL ICE ACCUMULATION IS EXPECTED. 

THIS FREEZING RAIN ADVISORY MEANS THAT A PERIOD OF FREEZING RAIN
OR FREEZING DRIZZLE IS EXPECTED. THIS MAY CAUSE TRAVEL
DIFFICULTIES...ESPECIALLY ON BRIDGES AND OVERPASSES. BE PREPARED
FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS41 KRNK 161009
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
509 AM EST SUN DEC 16 2007

...SIGNIFICANT ICING HAS ENDED...

VAZ011-014-016>020-022>024-034-035-WVZ044-045-161115-
/O.CAN.KRNK.IS.W.0003.000000T0000Z-071216T1400Z/
GILES-MONTGOMERY-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-
BOTETOURT-ROCKBRIDGE-BEDFORD-AMHERST-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...PEARISBURG...RADFORD...BLACKSBURG...
GALAX...FLOYD...NEW CASTLE...CLIFTON FORGE...HOT SPRINGS...
SALEM...FINCASTLE...LEXINGTON...BEDFORD...AMHERST...UNION...
LEWISBURG
509 AM EST SUN DEC 16 2007

...ICE STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE ICE
STORM WARNING. 

TEMPERATURES ARE AT OR ABOVE FREEZING ACROSS THE AREA. SCATTERED
LIGHT RAIN WILL MOVE ACROSS THE AREA THIS MORNING...BUT NO
ADDITIONAL ICE ACCRETION IS EXPECTED.

$$

NCZ001>003-018-019-VAZ010-012-013-015-032-033-045>047-WVZ042-043-
161115-
/O.CAN.KRNK.ZR.Y.0005.000000T0000Z-071216T1400Z/
ASHE-ALLEGHANY NC-SURRY-WATAUGA-WILKES-BLAND-WYTHE-PULASKI-
GRAYSON-PATRICK-FRANKLIN-CAMPBELL-APPOMATTOX-BUCKINGHAM-MERCER-
SUMMERS-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...DOBSON...
BOONE...WILKESBORO...BLAND...WYTHEVILLE...PULASKI...
INDEPENDENCE...STUART...ROCKY MOUNT...LYNCHBURG...APPOMATTOX...
BLUEFIELD...HINTON
509 AM EST SUN DEC 16 2007

...FREEZING RAIN ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE
FREEZING RAIN ADVISORY. 

TEMPERATURES ARE AT OR ABOVE FREEZING ACROSS THE AREA. SCATTERED
LIGHT RAIN WILL MOVE ACROSS THE AREA THIS MORNING...BUT NO
ADDITIONAL ICE ACCRETION IS EXPECTED.


$$

What forecasters said that day

The local office's own words before this ice storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this ice storm warning went out at Dec 14, 12:44 PM EST, 2 hours 26 minutes earlier.

Area forecast discussion, Dec 14, 12:44 PM EST, 2 hours 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG VA
1244 PM EST FRI DEC 14 2007

.SYNOPSIS...
HIGH PRESSURE WILL BUILD IN TONIGHT AND SATURDAY. A LARGE LOW
PRESSURE SYSTEM WILL MOVE FROM THE SOUTHERN PLAINS INTO THE MID
ATLANTIC REGION BY SATURDAY NIGHT. THE LOW PRESSURE SYSTEM WILL
EXIT THE AREA SUNDAY WITH STRONG WINDS BEHIND IT.

&&

.NEAR TERM /THROUGH TONIGHT/...
HIGH PRESSURE WILL BE BUILDING INTO THE AREA TODAY ON WESTERLY
WINDS. UPLSOPE CLOUDS ON THE WESTERN SLOPES FROM GREENBRIER
SOUTHWEST TO SMYTH COUNTY ARE A LITTLE SLOWER THAN FORECAST TO
BREAK UP...SO WILL SLOW DOWN THE CLEARING SOME IN THE FCST. I HAVE
ALSO LOWERED HIGH TEMPS IN THE FAR WEST. NO OTHER CHANGES IN THE
SHORT TERM.

TONIGHT...HIGH PRESSURE OVER THE WESTERN GREAT LAKES MOVES EASTWARD
TOWARD NEW ENGLAND. COOLER DRIER AIR WILL BE BUILDING DOWN THE EAST
COAST...WHILE HIGH CLOUDS WILL BE SPREADING NORTHEASTWARD FROM THE
DEVELOPING STORM SYSTEM ALONG THE WESTERN GULF OF MEXICO. LOWS WILL
VARY FROM THE MID 20S IN THE NORTHWEST TO THE MID 30S IN THE
SOUTHEAST.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
12Z MODELS STILL SHOWING SOME DIFFERENCES IN TIMING AND
THE TRACK OF THE LOW. HOWEVER...AFTER A QUICK LOOK AT THE 12Z
MODELS COMING IN...THEY ARE IN FAIR AGREEMENT THAT THERE WILL BE A
STRONG WARM LAYER ALOFT BY LATE SAT AFTERNOON...AND WITH A STRONG LOW
LEVEL EAST FLOW...A SUBFREEZING LAYER ALONG THE BLUE RIDGE IN
SOUTHWEST VIRGINIA AND INTO THE HIGHLANDS OF VIRGINIA AND WV
BORDER COUNTIES OF MONROE AND GREENBRIER. I HAVE ADJUSTED THE ICE
ACCUMULATION GRIDS...AND WE HAVE ISSUED A WINTER STORM WATCH FOR
ALL AREAS THAT HAVE A QUARTER OF AN INCH OR MORE OF ICING. SINCE
WE HAVE BEEN SO WARM...THE ICE ACCUMULATION WILL BE ON ELEVATED
SURFACES- ESPECIALLY ALONG THEBLUE RIDGE AND EASTERN FACING SLOPES
IN OTHER HIGHER ELEVATIONS.

FOR THE COUNTY WARNING AREA THE 850 MB WINDS BACK TO THE SOUTH
ON SATURDAY WITH THE LOW LEVEL JET AND BEST INFLOW ON SATURDAY
NIGHT. MEANWHILE...SFC WINDS ARE FROM THE EAST AND SOUTHEAST. MODELS
MAY NOT BE COMPLETELY CAPTURING THE STRENGTH OF THE WEDGE SATURDAY
NIGHT. THE NAM BUFKIT HAS A DISTINCT LAYER OF COLDER AIR NEAR THE
SURFACE COMAPRED TO THE GFS. BUT SURFACE TEMPERATURES AND DEW
POINTS ABOVE FREEZING FOR MUCH OF THE COUNTY WARNING AREA...EVEN
SATURDAY NIGHT. ALSO ON BUFKIT THE LAYER OF BEST LIFT IS WARMER
THAN PREFERED CRYSTAL GROWTH TEMPERATURES. EXPECT MUCH OF THE
PRECIPITATION TO BE LIQUID WITHIN THE CLOUD AND THERE IS SUCH A
WARM LAYER ABOVE THE WEDGE IT WOULD BE MELTNG ANYWAY. SO HAVE
PULLED A LOT OF THE SLEET OUT OF THE FORECAST. SOUNDINGS ARE
SHOWING AN ISOTHERMAL LAYER AROUND 12Z SUNDAY MORNING WHEN THE
WINDS COME AROUND TO THE NORTHWEST AND THE COLDER AIR STARTS
POURING IN.

ON SUNDAY THERE ARE STILL LARGE PRESSURE RISES AND 50 KNOTS OF
WIND AT 850 MB SO KEPT STRONG WINDS AND WIND GUSTS IN THE GRIDS.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
MON-THU LOOK MAINLY DRY BUT STILL QUITE CHILLY GIVEN RESIDUAL
UPPER TROF AND ADDED PIECES OF NORTHERN STREAM ENERGY SLIDING THRU
THE EASTERN SURFACE RIDGING. A CLIPPER SYSTEM MOVES THRU MIDWEEK
WITH CLOUDS. THE 00Z ECMWF WAS MORE AMPLIFIED WHICH WAS FELT TO BE
STRONGER THAN THE ENSEMBLES...THEREFORE KEPT PRECIP OUT OF THE
FORECAST FOR WED-THU.

&&

.AVIATION /18Z FRIDAY THROUGH WEDNESDAY/...
VISIBLE SATELLITE SHOWS THAT THE STRATO-CU OVER WESTERN SLOPE
AREAS IF DECREASING RAPIDLY NOW. I HAVE INCLUDED A ONE HOUR TEMPO
GROUP 18 TO 19Z WITH MVFR CEILING AT BLF. OTHERWISE VFR CONDITIONS
ARE EXPECTED FOR ALL TAF SITES THRU 18Z SATURDAY...THOUGH THERE
WILL BE LOWERING VFR CEILINGS OVERNIGHT INTO SATURDAY MORNING.

AS THE LOW PRESSURE SYSTEM GETS CLOSER...PRECIP WILL DEVELOP
ACROSS THE REGION NEAR 18Z OR SHORTLY AFTERWARD. EXPECT MVFR/IFR
CONDITIONS BY SAT NIGHT...WITH IMPROVING CONDITIONS SUNDAY EXCEPT
IN THE NW UPSLOPE REGIONS WHERE LOW CLOUDS WILL LIKELY PERSIST
ALONG WITH SNOW SHOWERS. ROA AND LWB WILL LIKELY SEE SOME FREEZING
RAIN SATURDAY NIGHT. LYH MAY SEE SOME FZRA. WINDS WILL ALSO BE
VERY STRONG ON SUNDAY AS THE LOW DEEPENS OFF THE ATLANTIC COAST.

VFR CONDITIONS ARE EXPECTED FOLLOWING THIS SYSTEM MONDAY THROUGH
WEDNESDAY.

&&

.EQUIPMENT...
OUTAGE OF MODEM IS KEEPING DAN OBSERVATIONS OUT OF AWIPS.

&&

.RNK WATCHES/WARNINGS/ADVISORIES...
VA...WINTER STORM WATCH FROM SATURDAY AFTERNOON THROUGH LATE
     SATURDAY NIGHT FOR VAZ011-013-014-016>020-022>024-032>035.
NC...NONE.
WV...WINTER STORM WATCH FROM SATURDAY AFTERNOON THROUGH LATE
     SATURDAY NIGHT FOR WVZ044-045.

&&

SYNOPSIS...AMS/JJ
NEAR TERM...JJ/KK
SHORT TERM...AMS
LONG TERM...JH/WP
AVIATION...AMS/JJ
EQUIPMENT...
Hazardous weather outlook, Dec 14, 5:26 AM EST, 9 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
526 AM EST FRI DEC 14 2007

VAZ007-009-010-012-WVZ042-043-151030-
TAZEWELL-SMYTH-BLAND-WYTHE-MERCER-SUMMERS-
526 AM EST FRI DEC 14 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A STORM SYSTEM LIFTING NORTHEAST FROM THE SOUTHERN PLAINS TO THE
MID ATLANTIC REGION WILL BRING A MIX OF RAIN AND FREEZING RAIN TO
THE AREA SATURDAY AND SATURDAY NIGHT. SNOW SHOWERS AND STRONG
WINDS ARE EXPECTED ON SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ003>006-019-020-VAZ032-033-043>047-058-059-151030-
SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-PATRICK-FRANKLIN-HENRY-
PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-
526 AM EST FRI DEC 14 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA AND WEST CENTRAL VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A STORM SYSTEM LIFTING NORTHEAST FROM THE SOUTHERN PLAINS TO THE
MID ATLANTIC REGION WILL BRING RAIN TO THE AREA SATURDAY AND
SATURDAY NIGHT. STRONG WINDS ARE EXPECTED ON SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ001-002-018-VAZ011-013>020-022>024-034-035-WVZ044-045-151030-
ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-GRAYSON-CARROLL-
FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-BEDFORD-
AMHERST-MONROE-GREENBRIER-
526 AM EST FRI DEC 14 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST NORTH
CAROLINA...CENTRAL VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTHWEST
VIRGINIA...WEST CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A STORM SYSTEM LIFTING NORTHEAST FROM THE SOUTHERN PLAINS TO THE
MID ATLANTIC REGION WILL BRING A MIX OF RAIN AND FREEZING RAIN TO
THE AREA SATURDAY AND SATURDAY NIGHT. SNOW SHOWERS AND VERY STRONG
WINDS ARE EXPECTED ON SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 14, 11:11 AM ESTWinter Storm WatchRNKAlleghany, Amherst, Bath, Bedford, Botetourt, Carroll and 16 more4 hr
Dec 14, 3:10 PM ESTFreezing Rain AdvisoryRNKAppomattox, Bland, Buckingham, Campbell, Carroll, Franklin and 9 more38 hr

Nearby

Ice Storm Warnings in Virginia, 2007Ice Storm Warnings in West Virginia, 2007Every ice storm warning 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.