Alert archive / Virginia / Winter Storm Warnings in 2007

Winter Storm Warning 3, NWS Blacksburg, VA

February 24, 20077 counties in Virginia

NWS Blacksburg, VA issued this winter storm warning at Feb 24, 2007, 2:21 PM EST for 7 counties in Virginia. It took effect at Feb 25, 2007, 12:00 AM EST. It was in force for 12 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
Feb 24, 2007, 2:21 PM EST (19:21 UTC)
In effect from
Feb 25, 2007, 12:00 AM EST
Expired
Feb 25, 2007, 12:21 PM EST
In force
12 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, VA, Bath County, VA, Botetourt County, VA, City of Buena Vista, VA, City of Covington, VA, City of Lexington, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 100 km from the middle of the area, began a volume at 19:25 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, 7.4 hours before the alert went out and 191 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, Greensboro/Hi Pt, NC at 12:00Z on 2007-02-24Temperature 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, Greensboro/Hi Pt, NC at 12:00Z on 2007-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
2643 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
89 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 241921
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
221 PM EST SAT FEB 24 2007

...WINTRY MIX TO DEVELOP OVER THE REGION OVERNIGHT...

.A LARGE STORM DEVELOPING OVER THE MIDWEST WILL MOVE NORTHEAST TONIGHT
AND SPREAD GULF MOISTURE INTO THE REGION BY MORNING. MEANWHILE
HIGH PRESSURE OVER NEW ENGLAND AND THE MID-ATLANTIC REGION WILL
PROVIDE ENOUGH COLD AND DRY AIR TO SUPPORT A MIX OF MAINLY SLEET
AND FREEZING RAIN OVER MUCH OF THE AREA THROUGH SUNDAY.


VAZ019-020-023-024-WVZ045-250330-
/O.UPG.KRNK.WS.A.0003.070225T0500Z-070226T0500Z/
/O.NEW.KRNK.WS.W.0003.070225T0500Z-070226T0500Z/
ALLEGHANY VA-BATH-BOTETOURT-ROCKBRIDGE-GREENBRIER-
INCLUDING THE CITIES OF...CLIFTON FORGE...HOT SPRINGS...
FINCASTLE...LEXINGTON...LEWISBURG
221 PM EST SAT FEB 24 2007

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT EST SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT EST SUNDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT. 

SLEET AND FREEZING RAIN WILL DEVELOP TONIGHT AND CHANGE TO MAINLY
FREEZING RAIN DURING SUNDAY MORNING. SOME LIGHT ACCUMULATION OF SLEET
COULD ACCUMULATE BY SUNDAY MORNING BEFORE PRECIPITATION CHANGES TO
FREEZING RAIN. A GLAZE OF ICE ONE QUARTER INCH THICK OR GREATER
WILL LIKELY FORM ON MANY ELEVATED SURFACES...AS WELL AS ON BRIDGES
AND OVERPASSES ESPECIALLY IN THE DEEPER VALLEYS BY SUNDAY EVENING.
AREAS OF FREEZING DRIZZLE WILL CONTINUE INTO SUNDAY NIGHT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND
ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.
THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
 

$$

VAZ011-013-014-017-018-022-033>035-045>047-WVZ044-250330-
/O.CON.KRNK.ZR.Y.0003.070225T0500Z-070226T0500Z/
GILES-PULASKI-MONTGOMERY-FLOYD-CRAIG-ROANOKE-FRANKLIN-BEDFORD-
AMHERST-CAMPBELL-APPOMATTOX-BUCKINGHAM-MONROE-
INCLUDING THE CITIES OF...PEARISBURG...PULASKI...RADFORD...
BLACKSBURG...FLOYD...NEW CASTLE...SALEM...ROCKY MOUNT...BEDFORD...
AMHERST...LYNCHBURG...APPOMATTOX...UNION
221 PM EST SAT FEB 24 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT EST SUNDAY NIGHT...

A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT EST SUNDAY NIGHT. 

RAIN AND FREEZING RAIN WILL DEVELOP TONIGHT AND CONTINUE THROUGH
MUCH OF THE DAY ON SUNDAY. A THIN GLAZE OF ICE WILL LIKELY COVER
MANY ELEVATED SURFACES ESPECIALLY IN THE DEEPER VALLEYS BY MIDDAY
SUNDAY. ICE MAY ALSO FORM ON BRIDGES AND OVERPASSES. FREEZING RAIN
MAY CHANGE TO PLAIN RAIN BY SUNDAY AFTERNOON...HOWEVER FREEZING
DRIZZLE IS LIKELY SUNDAY EVENING AS TEMPERATURES DIP BACK TO 32
DEGREES OR LOWER.

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 250305
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1005 PM EST SAT FEB 24 2007

...WINTRY MIX TO DEVELOP THEN BECOME RAIN WITH AREAS OF FREEZING
RAIN TOWARD MORNING...

.A LARGE STORM DEVELOPING OVER THE MIDWEST WILL MOVE NORTHEAST
OVERNIGHT AND SPREAD GULF MOISTURE INTO THE REGION. MEANWHILE
HIGH PRESSURE OVER NEW ENGLAND AND THE MID-ATLANTIC REGION WILL
PROVIDE ENOUGH COLD AND DRY AIR TO SUPPORT A BEGINNING TO THE
PRECIPITATION OF A MIX OF RAIN...SLEET AND POSSIBLY SNOW.
HOWEVER...AS WE HEAD INTO MORNING...MAINLY RAIN WITH AREAS OF 
FREEZING RAIN IS EXPECTED OVER MUCH OF THE AREA THROUGH SUNDAY.

VAZ019-020-023-024-WVZ045-251100-
/O.CON.KRNK.WS.W.0003.070225T0500Z-070226T0500Z/
ALLEGHANY VA-BATH-BOTETOURT-ROCKBRIDGE-GREENBRIER-
INCLUDING THE CITIES OF...CLIFTON FORGE...HOT SPRINGS...
FINCASTLE...LEXINGTON...LEWISBURG
1005 PM EST SAT FEB 24 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
SUNDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
SUNDAY NIGHT. 

A MIX OF SNOW...SLEET AND RAIN WILL DEVELOP TONIGHT AND CHANGE TO
MAINLY FREEZING RAIN DURING SUNDAY MORNING. SOME LIGHT
ACCUMULATION OF SLEET COULD ACCUMULATE BEFORE PRECIPITATION
CHANGES TO FREEZING RAIN. A GLAZE OF ICE ONE QUARTER INCH THICK OR
GREATER WILL LIKELY FORM ON MANY ELEVATED SURFACES...AS WELL AS ON
BRIDGES AND OVERPASSES ESPECIALLY IN THE DEEPER VALLEYS BY SUNDAY
EVENING. AREAS OF FREEZING DRIZZLE WILL CONTINUE INTO SUNDAY
NIGHT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND
ICE ARE EXPECTED OR OCCURRING. THIS MAY MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

$$

VAZ011-013-014-017-018-022-033>035-045>047-WVZ044-251100-
/O.CON.KRNK.ZR.Y.0003.070225T0500Z-070226T0500Z/
GILES-PULASKI-MONTGOMERY-FLOYD-CRAIG-ROANOKE-FRANKLIN-BEDFORD-
AMHERST-CAMPBELL-APPOMATTOX-BUCKINGHAM-MONROE-
INCLUDING THE CITIES OF...PEARISBURG...PULASKI...RADFORD...
BLACKSBURG...FLOYD...NEW CASTLE...SALEM...ROCKY MOUNT...BEDFORD...
AMHERST...LYNCHBURG...APPOMATTOX...UNION
1005 PM EST SAT FEB 24 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
SUNDAY NIGHT...

A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
SUNDAY NIGHT. 

A MIX OF SNOW...SLEET AND RAIN WILL DEVELOP TONIGHT AND CHANGE TO
MAINLY RAIN WITH AREAS OF FREEZING RAIN AND CONTINUE THROUGH MUCH
OF THE DAY ON SUNDAY. A THIN GLAZE OF ICE WILL LIKELY COVER MANY
ELEVATED SURFACES ESPECIALLY IN THE DEEPER VALLEYS BY MIDDAY
SUNDAY. ICE MAY ALSO FORM ON BRIDGES AND OVERPASSES. AREAS OF FREEZING
RAIN MAY CHANGE TO ALL RAIN BY SUNDAY AFTERNOON...HOWEVER
FREEZING DRIZZLE IS LIKELY SUNDAY EVENING AS TEMPERATURES DIP BACK
TO 32 DEGREES OR LOWER.

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

$$
000 
WWUS41 KRNK 250857
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
357 AM EST SUN FEB 25 2007

...WINTRY MIX TO DEVELOP THEN BECOME RAIN WITH AREAS OF FREEZING
RAIN THIS MORNING...

.DEEP LOW PRESSURE OVER THE MIDWEST THIS MORNING WILL MOVE INTO
THE WESTERN GREAT LAKES TODAY...SPREADING GULF MOISTURE INTO THE
REGION. MEANWHILE...HIGH PRESSURE OVER NEW ENGLAND AND THE MID-
ATLANTIC REGION WILL PROVIDE ENOUGH COLD AND DRY AIR TO SUPPORT A
MIX OF RAIN...SLEET AND POSSIBLY SNOW AT THE ONSET OF THE
PRECIPITATION. HOWEVER...BY MID MORNING...MAINLY RAIN WITH AREAS
OF FREEZING RAIN IS EXPECTED OVER THE AREA...CONTINUING INTO THE
EARLY EVENING HOURS.

VAZ019-020-023-024-WVZ045-251700-
/O.CON.KRNK.WS.W.0003.000000T0000Z-070226T0500Z/
ALLEGHANY VA-BATH-BOTETOURT-ROCKBRIDGE-GREENBRIER-
INCLUDING THE CITIES OF...CLIFTON FORGE...HOT SPRINGS...
FINCASTLE...LEXINGTON...LEWISBURG
357 AM EST SUN FEB 25 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A MIX OF SNOW...SLEET AND RAIN WILL ONCE AGAIN OVERSPREAD THE AREA
EARLY THIS MORNING...CHANGING TO MAINLY FREEZING RAIN BY LATE
MORNING. SOME LIGHT ACCUMULATION OF SLEET OR SNOW COULD OCCUR
BEFORE PRECIPITATION CHANGES TO FREEZING RAIN. A GLAZE OF ICE ONE
QUARTER INCH THICK OR GREATER IS EXPECTED ON ELEVATED SURFACES...AS
WELL AS ON BRIDGES AND OVERPASSES IN THE DEEPER VALLEYS BY SUNDAY
EVENING. AREAS OF DRIZZLE OR FREEZING DRIZZLE WILL CONTINUE INTO
TONIGHT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF ICE ARE
EXPECTED OR OCCURRING. THIS MAY MAKE TRAVEL QUITE HAZARDOUS.

$$

VAZ011-013-014-017-018-022-033>035-045>047-WVZ044-251700-
/O.CON.KRNK.ZR.Y.0003.000000T0000Z-070226T0500Z/
GILES-PULASKI-MONTGOMERY-FLOYD-CRAIG-ROANOKE-FRANKLIN-BEDFORD-
AMHERST-CAMPBELL-APPOMATTOX-BUCKINGHAM-MONROE-
INCLUDING THE CITIES OF...PEARISBURG...PULASKI...RADFORD...
BLACKSBURG...FLOYD...NEW CASTLE...SALEM...ROCKY MOUNT...BEDFORD...
AMHERST...LYNCHBURG...APPOMATTOX...UNION
357 AM EST SUN FEB 25 2007

...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A MIXTURE OF SNOW...SLEET AND RAIN WILL OVERSPREAD THE AREA EARLY
THIS MORNING...BEFORE CHANGING TO MAINLY RAIN WITH AREAS OF
FREEZING RAIN BY MID MORNING. RAIN WITH POCKETS OF FREEZING RAIN
IS THEN EXPECTED TO PERSIST INTO THE EARLY EVENING HOURS. A THIN
GLAZE OF ICE IS POSSIBLE ON ELEVATED SURFACES TODAY. PATCHY ICE
MAY ALSO FORM ON BRIDGES AND OVERPASSES.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE MAY CAUSE TRAVEL DIFFICULTIES. SLOW DOWN AND USE
CAUTION WHILE DRIVING.

$$
000 
WWUS41 KRNK 251021
WSWRNK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
521 AM EST SUN FEB 25 2007

...WINTRY MIX TO DEVELOP THEN BECOME RAIN WITH AREAS OF FREEZING
RAIN THIS MORNING...

.DEEP LOW PRESSURE OVER THE MIDWEST THIS MORNING WILL MOVE INTO
THE WESTERN GREAT LAKES TODAY...SPREADING GULF MOISTURE INTO THE
REGION. MEANWHILE...HIGH PRESSURE OVER NEW ENGLAND AND THE MID-
ATLANTIC REGION WILL PROVIDE ENOUGH COLD AND DRY AIR TO SUPPORT A
MIX OF RAIN...SLEET AND POSSIBLY SNOW AT THE ONSET OF THE
PRECIPITATION. HOWEVER...BY MID MORNING...MAINLY RAIN WITH AREAS
OF FREEZING RAIN IS EXPECTED OVER THE AREA...CONTINUING INTO THE
EARLY EVENING HOURS.

VAZ011-013-014-017-018-022-033>035-045>047-WVZ044-251700-
/O.CAN.KRNK.ZR.Y.0003.000000T0000Z-070226T0500Z/
/O.NEW.KRNK.WW.Y.0008.070225T1021Z-070226T0500Z/
GILES-PULASKI-MONTGOMERY-FLOYD-CRAIG-ROANOKE-FRANKLIN-BEDFORD-
AMHERST-CAMPBELL-APPOMATTOX-BUCKINGHAM-MONROE-
INCLUDING THE CITIES OF...PEARISBURG...PULASKI...RADFORD...
BLACKSBURG...FLOYD...NEW CASTLE...SALEM...ROCKY MOUNT...BEDFORD...
AMHERST...LYNCHBURG...APPOMATTOX...UNION
521 AM EST SUN FEB 25 2007

...FREEZING RAIN ADVISORY IS CANCELLED...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT TONIGHT. THE
FREEZING RAIN ADVISORY HAS BEEN CANCELLED AS A MIXTURE OF WINTRY
PRECIPITATION IS NOW EXPECTED...RATHER THAN ONLY FREEZING RAIN.

A MIXTURE OF SNOW...SLEET AND RAIN WILL OVERSPREAD THE AREA EARLY
THIS MORNING...BEFORE CHANGING TO MAINLY RAIN WITH AREAS OF
FREEZING RAIN BY MID MORNING. RAIN WITH POCKETS OF FREEZING RAIN
IS THEN EXPECTED TO PERSIST INTO THE EARLY EVENING HOURS. SLEET
ACCUMULATIONS UP TO A HALF INCH ARE POSSIBLE THIS MORNING, WITH A
THIN GLAZE OF ICE ON ELEVATED SURFACES TODAY. PATCHY ICE MAY ALSO
FORM ON BRIDGES AND OVERPASSES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

VAZ019-020-023-024-WVZ045-251700-
/O.CON.KRNK.WS.W.0003.000000T0000Z-070226T0500Z/
ALLEGHANY VA-BATH-BOTETOURT-ROCKBRIDGE-GREENBRIER-
INCLUDING THE CITIES OF...CLIFTON FORGE...HOT SPRINGS...
FINCASTLE...LEXINGTON...LEWISBURG
521 AM EST SUN FEB 25 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A MIX OF SNOW...SLEET AND RAIN WILL ONCE AGAIN OVERSPREAD THE
AREA EARLY THIS MORNING...CHANGING TO MAINLY FREEZING RAIN BY
LATE MORNING. SOME LIGHT ACCUMULATION OF SLEET OR SNOW COULD
OCCUR BEFORE PRECIPITATION CHANGES TO FREEZING RAIN. A GLAZE OF
ICE ONE QUARTER INCH THICK OR GREATER IS EXPECTED ON ELEVATED
SURFACES...AS WELL AS ON BRIDGES AND OVERPASSES IN THE DEEPER
VALLEYS BY SUNDAY EVENING. AREAS OF DRIZZLE OR FREEZING DRIZZLE
WILL CONTINUE INTO TONIGHT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF ICE ARE
EXPECTED OR OCCURRING. THIS MAY MAKE TRAVEL QUITE HAZARDOUS.

$$
000 
WWUS41 KRNK 251357 AAA
WSWRNK

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
857 AM EST SUN FEB 25 2007

...WINTRY MIX TO SLOWLY BECOME RAIN WITH AREAS OF FREEZING RAIN
LATER THIS AFTERNOON...

.DEEP LOW PRESSURE OVER THE MIDWEST WILL MOVE INTO THE WESTERN
GREAT LAKES TODAY...SPREADING GULF MOISTURE INTO THE REGION.
MEANWHILE...HIGH PRESSURE OVER NEW ENGLAND AND THE MID- ATLANTIC
REGION WILL PROVIDE ENOUGH COLD AND DRY AIR TO SUPPORT A MIX OF
RAIN...SLEET AND POSSIBLY SNOW. HOWEVER...BY MID OR LATE
AFTERNOON...MAINLY RAIN WITH AREAS OF FREEZING RAIN IS EXPECTED
OVER THE AREA...CONTINUING INTO THE EARLY EVENING HOURS.

VAZ019-020-023-024-WVZ045-252200-
/O.CON.KRNK.WS.W.0003.000000T0000Z-070226T0500Z/
ALLEGHANY VA-BATH-BOTETOURT-ROCKBRIDGE-GREENBRIER-
INCLUDING THE CITIES OF...CLIFTON FORGE...HOT SPRINGS...
FINCASTLE...LEXINGTON...LEWISBURG
857 AM EST SUN FEB 25 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A MIX OF SNOW...SLEET AND RAIN WILL CONTINUE ACROSS THE AREA INTO
THIS AFTERNOON BEFORE CHANGING TO FREEZING RAIN OR FREEZING
DRIZZLE. SNOW AND SLEET ACCUMULATIONS OF AN INCH OR TWO WILL
OCCUR...WITH UP TO 3 INCHES IN BATH COUNTY BEFORE PRECIPITATION
CHANGES TO FREEZING RAIN. A GLAZE OF ICE ONE QUARTER INCH THICK OR
GREATER IS EXPECTED ON ELEVATED SURFACES...AS WELL AS ON BRIDGES
AND OVERPASSES IN THE DEEPER VALLEYS BY THIS EVENING. AREAS OF
DRIZZLE OR FREEZING DRIZZLE WILL CONTINUE INTO TONIGHT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF ICE ARE
EXPECTED OR OCCURRING. THIS MAY MAKE TRAVEL QUITE HAZARDOUS.

$$

VAZ016-032-252200-
/O.EXA.KRNK.WW.Y.0008.000000T0000Z-070226T0500Z/
CARROLL-PATRICK-
INCLUDING THE CITIES OF...GALAX...STUART
857 AM EST SUN FEB 25 2007

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT.

A MIXTURE OF SLEET AND FREEZING RAIN WILL PERSIST INTO EARLY THIS
AFTERNOON ESPECIALLY ALONG THE BLUE RIDGE. RAIN WITH POCKETS OF
FREEZING RAIN IS THEN EXPECTED TO PERSIST INTO THE EARLY EVENING
HOURS. SLEET ACCUMULATIONS UP TO A HALF INCH ARE POSSIBLE...WITH
A GLAZE OF ICE OF UP TO TWO TENTHS OF AN INCH ALONG THE BLUE
RIDGE. PATCHY ICE MAY ALSO FORM ON BRIDGES AND OVERPASSES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

VAZ011-013-014-017-018-022-033>035-045>047-WVZ044-252200-
/O.CON.KRNK.WW.Y.0008.000000T0000Z-070226T0500Z/
GILES-PULASKI-MONTGOMERY-FLOYD-CRAIG-ROANOKE-FRANKLIN-BEDFORD-
AMHERST-CAMPBELL-APPOMATTOX-BUCKINGHAM-MONROE-
INCLUDING THE CITIES OF...PEARISBURG...PULASKI...RADFORD...
BLACKSBURG...FLOYD...NEW CASTLE...SALEM...ROCKY MOUNT...BEDFORD...
AMHERST...LYNCHBURG...APPOMATTOX...UNION
857 AM EST SUN FEB 25 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A MIXTURE OF SNOW...SLEET AND FREEZING RAIN WILL CONTINUE INTO
THIS AFTERNOON. RAIN WITH POCKETS OF FREEZING RAIN IS THEN
EXPECTED TO PERSIST INTO THE EARLY EVENING HOURS. ADDED SLEET
ACCUMULATIONS UP TO A HALF INCH ARE POSSIBLE... WITH A THIN GLAZE
OF ICE ON ELEVATED SURFACES. PATCHY ICE MAY ALSO FORM ON BRIDGES
AND OVERPASSES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS41 KRNK 251613 AAA
WSWRNK

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
1113 AM EST SUN FEB 25 2007

...WINTRY MIX TO SLOWLY BECOME RAIN WITH AREAS OF FREEZING RAIN
LATER THIS AFTERNOON...

.DEEP LOW PRESSURE OVER THE MIDWEST WILL MOVE INTO THE WESTERN
GREAT LAKES TODAY...SPREADING GULF MOISTURE INTO THE REGION.
MEANWHILE...HIGH PRESSURE OVER NEW ENGLAND AND THE MID- ATLANTIC
REGION WILL PROVIDE ENOUGH COLD AND DRY AIR TO SUPPORT A MIX OF
RAIN...SLEET AND POSSIBLY SNOW. HOWEVER...BY MID OR LATE
AFTERNOON...MAINLY RAIN WITH AREAS OF FREEZING RAIN IS EXPECTED
OVER THE AREA...CONTINUING INTO THE EARLY EVENING HOURS.

VAZ019-020-023-024-WVZ045-260015-
/O.CON.KRNK.WS.W.0003.000000T0000Z-070226T0500Z/
ALLEGHANY VA-BATH-BOTETOURT-ROCKBRIDGE-GREENBRIER-
INCLUDING THE CITIES OF...CLIFTON FORGE...HOT SPRINGS...
FINCASTLE...LEXINGTON...LEWISBURG
1113 AM EST SUN FEB 25 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A MIX OF SNOW...SLEET AND RAIN WILL CONTINUE ACROSS THE AREA INTO
THIS AFTERNOON BEFORE CHANGING TO FREEZING RAIN OR FREEZING
DRIZZLE. SNOW AND SLEET ACCUMULATIONS OF AN INCH OR TWO WILL
OCCUR...WITH UP TO 3 INCHES IN BATH COUNTY BEFORE PRECIPITATION
CHANGES TO FREEZING RAIN. A GLAZE OF ICE ONE QUARTER INCH THICK
OR GREATER IS EXPECTED ON ELEVATED SURFACES...AS WELL AS ON
BRIDGES AND OVERPASSES IN THE DEEPER VALLEYS BY THIS EVENING.
AREAS OF DRIZZLE OR FREEZING DRIZZLE WILL CONTINUE INTO TONIGHT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF ICE ARE
EXPECTED OR OCCURRING. THIS MAY MAKE TRAVEL QUITE HAZARDOUS.

$$

NCZ001-002-018-VAZ015-260015-
/O.EXA.KRNK.WW.Y.0008.000000T0000Z-070226T0500Z/
ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
INDEPENDENCE
1113 AM EST SUN FEB 25 2007

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT.

POCKETS OF FREEZING RAIN WILL CONTINUE ALONG THE BLUE RIDGE THIS
AFTERNOON WITH ICE ACCUMULATIONS OF UP TO TWO TENTHS OF AN INCH IN
SPOTS. PATCHY ICE MAY ALSO FORM ON BRIDGES AND OVERPASSES. PATCHY
FREEZING DRIZZLE COULD ALSO CONTINUE INTO THIS EVENING.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

VAZ011-013-014-016>018-022-032>035-045>047-WVZ044-260015-
/O.CON.KRNK.WW.Y.0008.000000T0000Z-070226T0500Z/
GILES-PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG-ROANOKE-PATRICK-
FRANKLIN-BEDFORD-AMHERST-CAMPBELL-APPOMATTOX-BUCKINGHAM-MONROE-
INCLUDING THE CITIES OF...PEARISBURG...PULASKI...RADFORD...
BLACKSBURG...GALAX...FLOYD...NEW CASTLE...SALEM...STUART...
ROCKY MOUNT...BEDFORD...AMHERST...LYNCHBURG...APPOMATTOX...UNION
1113 AM EST SUN FEB 25 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A MIXTURE OF SLEET AND FREEZING RAIN WILL CONTINUE INTO THIS
AFTERNOON. RAIN WITH POCKETS OF FREEZING RAIN IS THEN EXPECTED TO
PERSIST INTO THE EARLY EVENING HOURS. ADDED SLEET ACCUMULATIONS UP
TO A HALF INCH ARE POSSIBLE... WITH A THIN GLAZE OF ICE ON
ELEVATED SURFACES. PATCHY ICE MAY ALSO FORM ON BRIDGES AND
OVERPASSES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS41 KRNK 251721 AAA
WSWRNK

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
1221 PM EST SUN FEB 25 2007

...FREEZING RAIN TO SLOWLY TAPER OFF TO AREAS OF FREEZING DRIZZLE
INTO THIS EVENING...

.DEEP LOW PRESSURE OVER THE MIDWEST WILL MOVE INTO THE WESTERN
GREAT LAKES THROUGH THIS EVENING. THIS WILL PROPEL A WEAK COLD
FRONT THROUGH THE AREA BRINGING AN END TO ANY SIGNIFICANT
PRECIPITATION LATER THIS AFTERNOON. HOWEVER LINGERING AREAS OF
FREEZING DRIZZLE WILL LIKELY LINGER THIS EVENING.

VAZ019-020-023-024-WVZ045-260130-
/O.CAN.KRNK.WS.W.0003.000000T0000Z-070226T0500Z/
/O.EXA.KRNK.WW.Y.0008.000000T0000Z-070226T0500Z/
ALLEGHANY VA-BATH-BOTETOURT-ROCKBRIDGE-GREENBRIER-
INCLUDING THE CITIES OF...CLIFTON FORGE...HOT SPRINGS...
FINCASTLE...LEXINGTON...LEWISBURG
1221 PM EST SUN FEB 25 2007

...WINTER STORM WARNING IS CANCELLED...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT.
THE WINTER STORM WARNING HAS BEEN CANCELLED. 

AREAS OF LIGHT FREEZING RAIN OR SLEET WILL TAPER OFF TO FREEZING
DRIZZLE THIS AFTERNOON. SOME ADDITIONAL LIGHT ICING WILL BE
POSSIBLE ALONG THE RIDGES BUT THE THREAT OF SIGNIFICANT ICE OR
SNOW HAS ENDED.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE  TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

NCZ001-002-018-VAZ011-013>018-022-032>035-045>047-WVZ044-260130-
/O.CON.KRNK.WW.Y.0008.000000T0000Z-070226T0500Z/
ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ROANOKE-PATRICK-FRANKLIN-BEDFORD-AMHERST-
CAMPBELL-APPOMATTOX-BUCKINGHAM-MONROE-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
PEARISBURG...PULASKI...RADFORD...BLACKSBURG...INDEPENDENCE...
GALAX...FLOYD...NEW CASTLE...SALEM...STUART...ROCKY MOUNT...
BEDFORD...AMHERST...LYNCHBURG...APPOMATTOX...UNION
1221 PM EST SUN FEB 25 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT. 

A MIXTURE OF SLEET AND FREEZING RAIN WILL TAPER OFF TO FREEZING DRIZZLE
LATE THIS AFTERNOON. SOME ADDED LIGHT GLAZING OF ICE ON ELEVATED
SURFACES CAN BE EXPECTED. PATCHY ICE MAY ALSO FORM ON BRIDGES AND
OVERPASSES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

What forecasters said that day

The local office's own words before this winter 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 winter storm warning went out at Feb 24, 12:14 PM EST, 2 hours 7 minutes earlier.

Area forecast discussion, Feb 24, 12:14 PM EST, 2 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG VA
1214 PM EST SAT FEB 24 2007

.AVIATION /18Z-18Z/...

VFR CONDITIONS WILL PREVAIL UNDER HIGH PRESSURE THIS AFTERNOON
BEFORE DETERIORATING INTO MVFR LEVELS TOWARD MIDNIGHT AS MOISTURE
INCREASES THIS EVENING. EXPECT PRECIP TO DEVELOP ACROSS THE NW BY
MIDNIGHT AND THEN ELSEWHERE BY MORNING AS A WARM FRONT SLOWLY
LIFTS NORTH INTO THE REGION. APPEARS PRECIP MAINLY A MIX OF
RAIN/SLEET AT THE ONSET...THEN TRANSITIONING TO MOSTLY
RAIN...EXCEPT FREEZING RAIN IN A CORRIDOR FROM LWB TO ROA AND LYH
BY MID MORNING SUNDAY. OCCLUDED TYPE FRONT EDGES TOWARD THE AREA
FROM THE WEST BY AFTERNOON SUNDAY WITH A MIX OF MVFR/IFR
CONDITIONS PREVAILING IN RA/FZRA AND FOG THRU 18Z.

&&

.PREV DISCUSSION...
/ISSUED 1012 AM EST SAT FEB 24 2007/

SHORT TERM /REST OF TODAY/...

RIDGE AXIS ABOUT OVERHEAD THIS MORNING WILL GRADUALLY SHIFT EAST
AND WEAKEN THIS AFTERNOON AS MID/HIGH CLOUDS START TO INCREASE FROM
THE WEST IN RESPONSE TO WARM ADVECTION ALOFT. HOWEVER AIR REMAINS
BONE DRY ACROSS THE REGION WITH DEWPOINTS IN THE SINGLE DIGITS
WHILE DEEPER RH/WARM ADVECTION STILL BASICALLY WEST OF THE TN
VALLEY. THUS THINKING A LOT OF THIS INIT SURGE OF CLOUD COVER WILL
FADE UPON MOVING EAST UNTIL LATE WHEN RIDGING BREAKS DOWN. 06Z GFS
SHOWS PRECIP AS FAR EAST AS THE MOUNTAINS BY LATE THIS AFTERNOON
BUT LOOKS OVERDONE PER DRY AIR. HOWEVER INCREASE IN RH SHOULD AT
LEAST PUT MAIN CLOUD SHIELD JUST WEST OF THE CWA LATE WHICH WILL
MAKE OVERNIGHT WINTRY WX FORECAST COMPLICATED AT THIS POINT AS FAR
AS TEMPS GO. OTRW PLAN TO TWEAK THE GOING FORECAST TOWARD SOME
INCREASE IN CLOUDS WEST THIS AFTERNOON BUT MAINLY SUNNY EAST
DESPITE SOME LEE CI. WILL ALSO LEAVE GOING NPW/WSW PRODUCTS ABOUT
STATUS QUO UNTIL SEEING NEW 12Z GUIDANCE. THICKNESS UNDER FULL SUN
GIVING HIGHS IN THE MID 50S SE BUT ONLY ABOUT 50 MOUNTAINS SO
ADJUSTING HIGHS DOWN A NOTCH IN SPOTS.

FIRE WEATHER...

VERY LOW HUMIDITY VALUES ARE EXPECTED AGAIN THIS AFTERNOON WITH
READINGS FALLING TO AROUND 10 PERCENT IN THE LEE OF THE BLUE
RIDGE. HOWEVER WINDS ARE EXPECTED TO BE LIGHT/VARIABLE SO FIRE
CONCERNS NOT NEARLY AS CRITICAL AS THE LAST COUPLE OF DAYS. WILL
CONTINUE TO HEADLINE FOR LOW HUMIDITY LEVELS AGAIN THIS AFTERNOON
OTRW FEW CHANGES.

PREV DISCUSSION...
/ISSUED 622 AM EST SAT FEB 24 2007/

AVIATION /12Z-12Z/...
CALM VFR CONDITIONS THROUGH EARLY EVENING...THEN A MIX OF
RAIN/FRZG RAIN/SLEET MOVE IN BETWEEN ABOUT 03Z AND 07Z. DAN AND
BLF LIKELY TO CHG TO PURE RAIN BY 12Z. ROA MAY CHG TO ALL RAIN
BY 12Z...HOWEVER FAIRLY CONFIDENT THAT LWB AND LYH WILL CONTINUE
TO SEE FRZG RAIN THRU 12Z.

PREV DISCUSSION...
/ISSUED 316 AM EST SAT FEB 24 2007/

SYNOPSIS...
COMPLICATED PATTERN THROUGH SUNDAY NIGHT WITH PLENTY OF STUFF
GOING ON. UPPER LOW COMING OUT OF THE ROCKIES WILL CLOSE OFF AND
HEAD TOWARD THE MIDWEST AND GREAT LAKES WITH A SHARP UPR RIDGE
OVER THE EAST. PCPN WILL QUICKLY SPREAD INTO THE AREA TONIGHT
ALONG A WARM FRONT/DEFORMATION ZONE DEVELOPING FROM ABOUT CHICAGO
SOUTHEAST ACROSS THE CWA ACCOMPANIED BY VERY STRONG WARM AIR
ADVECTION.  MEANWHILE A STRONG SFC RIDGE CURENTLY RESPONSIBLE FOR
THE COLD AND VERY DRY AIR OVER THE REGION THIS MORNING WILL CREATE
AN IN SITU COLD AIR DAMMING EVENT AS THE PCPN MOVES ACROSS THE
AREA. THIS WILL RESULT IN A WINTRY MIX OVER A LARGE PORTION OF THE
FCST AREA...WITH FREEZING RAIN LOOKING TO BE THE PRIMARY PCPN
TYPE.

SHORT TERM /TODAY THROUGH TUESDAY/...
WE WILL SEE A NICE WARM UP TODAY AS WE MIX SOME WARMER AIR ALOFT
DOWN TO THE SFC...HOWEVER VERY DRY AIR WILL REMAIN AND WILL SET
THINGS UP FOR SIGNIFICANT EVAPORATIONAL COOLING AS PCPN MOVES IN
LATER TONIGHT. MANY PLACES COULD SEE SOME SLEET AT THE BEGINNING
OVER THE EVENT AS PCPN MOVES IN FROM THE WEST SHORTLY AFTER
MIDNIGHT. AREAS IN THE NORTH COULD EVEN SEE A PERIOD OF SNOW WHICH
COULD ACCUMULATE. HOWEVER WARMER TEMPS COMING IN ALOFT WILL
LIKELY CHANGE PCPN TO RAIN BY DAYBREAK SUNDAY. THERE IS STILL A
CHANCE THAT THIS CHANGOVER TO RAIN MAY NOT OCCUR VERY QUICKLY IN
THE FAR NORTH AND MORE SNOW IS POSSIBLE.  ANYWAY...EVAP COOLING
WILL PUSH SFC TEMPS TO FRZG OR BELOW IN THE GEOGRAPHICALLY FAVORED
COLD AIR DAMMING AREAS.

GFS MODEL IS SHOWING SFC TEMPS CONTINUING TO FALL DURING THE DAY
SUNDAY EVEN AFTER SATURATION IS REACHED. WE ARE NOT BUYING THIS IN
LATE FEBRUARY DURING THE DAY SO WILL RESTRICT WINTER STORM WATCH
TO EXTREME NORTH AND GO WITH AN ADVISORY FOR CENTRAL COUNTIES.
ADVISORY COUNTIES WILL PROBABLY SEE A RETURN TO PLAIN RAIN SUNDAY
AFTERNOON THEN POSSIBLY BACK TO FRZG DRZL BY EVENING AS THE
SIGNIFICANT PCPN ENDS.

FREEZING DRZL WILL LIKELY CONT INTO SUNDAY EVENING...THEN OCCLUDED
FRONT PUSHES THRU AND THINGS BEGIN CLEARING OUT. THEN WITH UPR LOW
SPINNING AND FILLING OVER THE GREAT LAKES WE WILL SEE A COUPLE DAY
PERIOD OF MODERATE COLD AIR ADVECTION WITH LIGHT SNOW/RAIN SHOWERS
IN THE UPSLOPE WEST...WHICH AT THIS TIME DOES NOT LOOK SIGNIFICANT.

WIND CONCERNS...
VERTICALLY STACKED MIDWEST SYSTEM WILL CREATE A RAPID INCREASE IN
FLOW ALOFT TONIGHT AS GRADIENT QUICKLY TIGHTENS WITH INFLUX OF WARM
ADVECTION. SETUP APPEARS QUITE FAVORABLE FOR A HIGH WIND EVENT OVER
FAR SOUTHWEST VIRGINIA INTO SOUTHERN MERCER COUNTY WEST VIRGINIA.
BOTH GFS AND NAM SHOW SOUTH/SOUTHEASTERLY H85 JET INTENSIFYING TO 60
KNOTS OR BETTER BY 06Z TONIGHT...WITH STRONG CROSS BARRIER COMPONENT
SUPPORTING LOCALIZED WARNING LEVEL GUSTS. PAST SIMILAR EVENTS HAVE
PRODUCED THE HIGHEST WINDS OVER WESTERN TAZEWELL COUNTY INTO
SOUTHERN MERCER COUNTY...AS WELL AS ISOLATED SPOTS OF SMYTH
COUNTY...THE TYPICAL AREAS WHERE DAMMING WEDGE IS NOT ABLE TO
HOLD LONG. THUS...WILL HOIST A HIGH WIND WATCH FOR THESE AREAS
BEGINNING AT 9 TONIGHT THROUGH NOON SUNDAY. ELSEWHERE...MAINLY
LIGHT FLOW EXCEPT HIGHEST ELEVATIONS /ABOVE 3500 FEET/ GIVEN IN
SITU DAMMING WEDGE.

PREV DISCUSSION...
/ISSUED 1230 AM EST SAT FEB 24 2007/

AVIATION /06Z-06Z/...

VFR CONDITIONS EXPECTED THROUGH THE TAF PERIOD. SURFACE RIDGE
DRIFTING ACROSS THE REGION WILL PROVIDE MAINLY LIGHT AND VARIABLE
WINDS OVER THE NEXT 24 HOURS. IN THE SKY DEPARTMENT...MOSTLY CLEAR
CONDITIONS EXPECTED THROUGH 18Z...WITH AN INCREASE IN MID/HIGH
CLOUDS LATE IN THE AFTERNOON AND EVENING PER ONSET OF WARM
ADVECTION ALOFT. PRECIPITATION WILL LIKELY BE APPROACHING TOWARD
THE END OF THE TAF PERIOD WITH INCREASING LIFT GOING TO SATURATE A
VERY DRY ATMOSPHERE...THOUGH BELIEVE ANY WIDESPREAD PRECIPITATION
WILL HOLD OFF UNTIL AFTER 06Z TONIGHT.

PREV DISCUSSION...
/ISSUED 918 PM EST FRI FEB 23 2007/

SHORT TERM /REST OF TONIGHT/...

HIGH PRESSURE OVER THE GREAT LAKES REGION WILL BUILD INTO THE AREA
OVERNIGHT AND KEEP A NORTHWEST TO NORTH GRADIENT WIND OVER THE
REGION. HOWEVER...WITH CLEAR SKIES AND SUCH A DRY AIRMASS WE ARE
ALREADY RADIATING WELL ENOUGH THAT VALLEY LOCATIONS ARE BEGINNING
TO DECOUPLE. I HAVE ADJUSTED MIN TEMPS DOWN A FEW DEGREES FOR MOST
LOCATIONS BASED ON CURRENT TEMPS AND LOW DEWPOINTS. I MADE
ADJUSTMENTS TO THE CURRENT TEMP/DEWPOINT AND WIND GRIDS FROM
OBSERVATIONS. NO OTHER CHANGES WERE NEEDED.

AVIATION /00Z-24Z/...

HIGH PRESSURE BUILDING INTO FROM THE NORTH WILL CAUSE WINDS TO
SUBSIDE THIS PERIOD WITH VFR CONDITIONS EXPECTED THROUGH 00Z SUN.

&&

.RNK WATCHES/WARNINGS/ADVISORIES...
VA...FREEZING RAIN ADVISORY FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
     SUNDAY NIGHT FOR VAZ011-013-014-017-018-022-033>035-
     045>047.

     WINTER STORM WATCH FROM LATE TONIGHT THROUGH SUNDAY EVENING
     FOR VAZ019-020-023-024.

     HIGH WIND WATCH FROM 9 PM EST THIS EVENING THROUGH SUNDAY
     MORNING FOR VAZ007-009.

NC...NONE.
WV...FREEZING RAIN ADVISORY FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
     SUNDAY NIGHT FOR WVZ044.

     WINTER STORM WATCH FROM LATE TONIGHT THROUGH SUNDAY EVENING
     FOR WVZ045.

     HIGH WIND WATCH FROM 9 PM EST THIS EVENING THROUGH SUNDAY
     MORNING FOR WVZ042.

&&

AVIATION...JH
Hazardous weather outlook, Feb 24, 4:11 AM EST, 10 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
411 AM EST SAT FEB 24 2007

VAZ019-020-023-024-WVZ045-251200-
ALLEGHANY VA-BATH-BOTETOURT-ROCKBRIDGE-GREENBRIER-
411 AM EST SAT FEB 24 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
VIRGINIA AND SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

PRECIPITATION WILL OVERSPREAD THE AREA LATE TONIGHT...LIKELY
TAKING THE FORM OF A MIX OF FREEZING RAIN AND SLEET...WITH SOME
SNOW POSSIBLE AT THE ONSET. LIGHT ACCUMULATIONS OF SNOW AND ICE
ARE POSSIBLE LATE TONIGHT.

A WINTER STORM WATCH GOES INTO EFFECT LATE TONIGHT FOR THIS
POSSIBILITY. PLEASE SEE OUR WEB SITE AT WWW.WEATHER.GOV/BLACKSBURG
FOR ADDITIONAL INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A WINTER STORM WATCH REMAINS IN EFFECT ON SUNDAY. AREAS OF
FREEZING RAIN ARE EXPECTED TO PERSIST INTO SUNDAY EVENING. THE
POSSIBILITY EXISTS FOR SIGNIFICANT ACCUMULATIONS OF ICE IN EXCESS
OF A QUARTER INCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY WINTRY PRECIPITATION AS WELL
AS ANY ACCUMULATIONS OF ICE. REPORTS MAY BE EMAILED TO
RNK.SKYWARN@NOAA.GOV OR PHONED IN TO 1 866 215-4324.

VAZ011-013-014-017-018-022-033>035-045>047-WVZ044-251200-
GILES-PULASKI-MONTGOMERY-FLOYD-CRAIG-ROANOKE-FRANKLIN-BEDFORD-
AMHERST-CAMPBELL-APPOMATTOX-BUCKINGHAM-MONROE-
411 AM EST SAT FEB 24 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST
CENTRAL VIRGINIA AND SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

PRECIPITATION WILL OVERSPREAD THE AREA LATE TONIGHT. THE
PRECIPITATION IS EXPECTED TO TAKE THE FORM OF MAINLY RAIN...THOUGH
AREAS OF FREEZING RAIN ARE POSSIBLE. FOR THIS REASON...A FREEZING
RAIN ADVISORY IS IN EFFECT LATE TONIGHT. PLEASE SEE OUR WEB SITE
AT WWW.WEATHER.GOV/BLACKSBURG FOR ADDITIONAL INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A FREEZING RAIN ADVISORY IS IN EFFECT SUNDAY FOR THE POSSIBILITY
OF LIGHT FREEZING RAIN CONTINUING INTO THE EVENING HOURS. LIGHT
ACCUMULATIONS OF ICE ARE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY WINTRY PRECIPITATION AS WELL
AS ANY ACCUMULATIONS OF ICE. REPORTS MAY BE EMAILED TO
RNK.SKYWARN@NOAA.GOV OR PHONED IN TO 1 866 215-4324.

NCZ003>006-019-020-VAZ032-043-044-058-059-251200-
SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-PATRICK-HENRY-
PITTSYLVANIA-HALIFAX-CHARLOTTE-
411 AM EST SAT FEB 24 2007

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

VAZ007-009-WVZ042-251200-
TAZEWELL-SMYTH-MERCER-
411 AM EST SAT FEB 24 2007

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

.DAY ONE...TODAY AND TONIGHT

STRONG WINDS ARE EXPECTED TO DEVELOP LATE THIS EVENING AND
CONTINUE OVERNIGHT. WIND GUSTS UP TO 65 MPH ARE POSSIBLE...
PARTICULARLY JUST WEST OF HIGHER RIDGE LINES. FOR THIS REASON...A
HIGH WIND WATCH IS IN EFFECT TONIGHT. PLEASE SEE OUR WEB SITE AT
WWW.WEATHER.GOV/BLACKSBURG FOR ADDITIONAL INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

STRONG WINDS ARE POSSIBLE EARLY SUNDAY MORNING.

OTHERWISE...HAZARDOUS WEATHER IS NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY HIGH WINDS OR WIND DAMAGE
TONIGHT INTO EARLY SUNDAY. REPORTS MAY BE EMAILED TO
RNK.SKYWARN@NOAA.GOV OR PHONED IN TO 1 866 215-4324.

NCZ001-002-018-VAZ010-012-015-016-WVZ043-251200-
ASHE-ALLEGHANY NC-WATAUGA-BLAND-WYTHE-GRAYSON-CARROLL-SUMMERS-
411 AM EST SAT FEB 24 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST NORTH
CAROLINA...SOUTHWEST VIRGINIA AND SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

PRECIPITATION WILL OVERSPREAD THE AREA LATE TONIGHT. IN MOST
AREAS...THE PRECIPITATION WILL REMAIN ALL LIQUID...HOWEVER POCKETS
OF FREEZING RAIN ARE POSSIBLE...MAINLY ALONG THE BLUE RIDGE AND
DEEPER MOUNTAIN VALLEYS...WHERE LIGHT ACCUMULATIONS ARE POSSIBLE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

RAIN WITH POCKETS OF FREEZING RAIN WILL CONTINUE INTO SUNDAY
AFTERNOON. LIGHT ICING IS POSSIBLE IN AREAS WHERE TEMPERATURES
REMAIN JUST BELOW FREEZING.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY WINTRY PRECIPITATION AS WELL
AS ANY ACCUMULATIONS OF ICE. REPORTS MAY BE EMAILED TO
RNK.SKYWARN@NOAA.GOV OR PHONED IN TO 1 866 215-4324.

LAWRENCE

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 4:09 AM ESTWinter Storm WatchRNKAlleghany, Bath, Botetourt, Rockbridge, City of Buena Vista, City of Covington and 1 more10 hr
Feb 24, 4:09 AM ESTFreezing Rain AdvisoryRNKAmherst, Appomattox, Bedford, Buckingham, Campbell, Craig and 10 more25 hr
Feb 24, 4:11 AM ESTHigh Wind WatchRNKSmyth, Tazewell9 hr
Feb 24, 1:35 PM ESTHigh Wind WarningRNKTazewell25 hr
Feb 24, 1:35 PM ESTWind AdvisoryRNKSmyth25 hr

Nearby

Winter Storm Warnings in Virginia, 2007Winter Storm Warnings in West Virginia, 2007Every winter 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.