Alert archive / Virginia / Frost Advisories in 2012

Frost Advisory 9, NWS Blacksburg, VA

October 10, 201211 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina

NWS Blacksburg, VA issued this frost advisory at Oct 10, 2012, 4:15 AM EDT for 11 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It took effect at Oct 11, 2012, 2:00 AM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Oct 10, 2012, 4:15 AM EDT (08:15 UTC)
In effect from
Oct 11, 2012, 2:00 AM EDT
Expired
Oct 11, 2012, 9:00 AM EDT
In force
7 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Carroll County, VA, City of Covington, VA, City of Galax, VA, City of Radford, VA, Craig County, VA, Floyd County, VA, Giles County, VA, Grayson County, VA, Montgomery County, VA, Pulaski County, VA

The radar

The Roanoke radar (KFCX), 40 km from the middle of the area, began a volume at 08:14 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 00:00Z, 8.3 hours before the alert went out and 111 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 00:00Z on 2012-10-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2012-10-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.19395878Sfc1 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
841 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
87 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.

293 
WWUS71 KRNK 100815
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
415 AM EDT WED OCT 10 2012

...AREAS OF FROST AND POTENTIAL FOR FREEZING TEMPERATURES IN
THE MOUNTAIN VALLEYS TONIGHT...

.A COLD FRONT WILL CROSS THE APPALACHIANS FROM THE WEST LATE
TODAY...USHERING IN A COOLER AIRMASS TONIGHT. WINDS BEHIND THE
FRONT WILL BE GUSTY THIS AFTERNOON AND EVENING...THEN GRADUALLY
DIMINISH OVERNIGHT. WINDS MAY DIMINISH ENOUGH TO ALLOW FOR AREAS
OF FROST TO FORM JUST BEFORE DAYBREAK THURSDAY. TEMPERATURES IN
THE DEEPER MOUNTAIN VALLEYS MAY ALSO SLIP BELOW FREEZING FOR A FEW
HOURS DURING THE EARLY MORNING HOURS THURSDAY.

VAZ020-WVZ043>045-101615-
/O.UPG.KRNK.FZ.A.0005.121011T0600Z-121011T1300Z/
/O.NEW.KRNK.FZ.W.0008.121011T0600Z-121011T1300Z/
BATH-SUMMERS-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...HOT SPRINGS...HINTON...HIX...UNION...
LEWISBURG...QUINWOOD...DUO...RAINELLE
415 AM EDT WED OCT 10 2012

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY. THE
FREEZE WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...PORTIONS OF SOUTHEAST WEST VIRGINIA AND BATH 
  COUNTY OF VIRGINIA.

* TEMPERATURES...28 TO 34 DEGREES.

* TIMING...LATE TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...UNPROTECTED VEGETATION SENSITIVE TO FREEZING
  TEMPERATURES MAY BE KILLED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

VAZ007-009-010-012-WVZ042-101615-
/O.NEW.KRNK.FZ.W.0008.121011T0600Z-121011T1300Z/
TAZEWELL-SMYTH-BLAND-WYTHE-MERCER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...
WYTHEVILLE...BLUEFIELD...FLAT TOP
415 AM EDT WED OCT 10 2012

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY.

* LOCATIONS...WESTERN NEW RIVER VALLEY...ESPECIALLY THE SHELTERED
  PARTS OF THE VALLEY PROTECTED FROM THE WIND.

* TEMPERATURES...28 TO 34 DEGREES.

* TIMING...LATE TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...UNPROTECTED VEGETATION SENSITIVE TO FREEZING
  TEMPERATURES MAY BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

NCZ001-002-018-VAZ011-013>019-101615-
/O.NEW.KRNK.FR.Y.0009.121011T0600Z-121011T1300Z/
ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
PEARISBURG...RADFORD...PULASKI...BLACKSBURG...INDEPENDENCE...
WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD...NEW CASTLE...
CLIFTON FORGE...COVINGTON
415 AM EDT WED OCT 10 2012

...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY.

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...NEW RIVER VALLEY AND
  HIGHLANDS OF VIRGINIA.

* TEMPERATURES...IN THE MID 30S.

* TIMING...LATE TONIGHT...EARLY THURSDAY MORNING.

* IMPACTS...TENDER VEGETATION MAY BE DAMAGED BY FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED.

&&

$$
5 follow-up statements
824 
WWUS71 KRNK 101450
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
ISSUED BY NATIONAL WEATHER SERVICE RALEIGH NC
1050 AM EDT WED OCT 10 2012

...AREAS OF FROST AND POTENTIAL FOR FREEZING TEMPERATURES IN THE
MOUNTAIN VALLEYS TONIGHT...

.A COLD FRONT WILL CROSS THE APPALACHIANS FROM THE WEST LATE
TODAY...USHERING IN A COOLER AIRMASS TONIGHT. WINDS BEHIND THE
FRONT WILL BE GUSTY THIS AFTERNOON AND EVENING...THEN GRADUALLY
DIMINISH OVERNIGHT. WINDS MAY DIMINISH ENOUGH TO ALLOW FOR AREAS
OF FROST TO FORM JUST BEFORE DAYBREAK THURSDAY. TEMPERATURES IN
THE DEEPER MOUNTAIN VALLEYS MAY ALSO SLIP BELOW FREEZING FOR A
FEW HOURS DURING THE EARLY MORNING HOURS THURSDAY.

VAZ007-009-010-012-020-WVZ042>045-102300-
/O.CON.KRNK.FZ.W.0008.121011T0600Z-121011T1300Z/
TAZEWELL-SMYTH-BLAND-WYTHE-BATH-MERCER-SUMMERS-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...
WYTHEVILLE...HOT SPRINGS...BLUEFIELD...FLAT TOP...HINTON...HIX...
UNION...LEWISBURG...QUINWOOD...DUO...RAINELLE
1050 AM EDT WED OCT 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY.

* LOCATIONS...PORTIONS OF SOUTHEAST WEST VIRGINIA...BATH COUNTY OF
  VIRGINIA...AND WESTERN NEW RIVER VALLEY...ESPECIALLY THE
  SHELTERED PARTS OF THE VALLEY PROTECTED FROM THE WIND.

* TEMPERATURES...28 TO 34 DEGREES.

* TIMING...LATE TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...UNPROTECTED VEGETATION SENSITIVE TO FREEZING 
  TEMPERATURES MAY BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

NCZ001-002-018-VAZ011-013>019-102300-
/O.CON.KRNK.FR.Y.0009.121011T0600Z-121011T1300Z/
ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
PEARISBURG...RADFORD...PULASKI...BLACKSBURG...INDEPENDENCE...
WHITETOP...TROUTDALE...VOLNEY...GALAX...FLOYD...NEW CASTLE...
CLIFTON FORGE...COVINGTON
1050 AM EDT WED OCT 10 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...NEW RIVER VALLEY 
  AND HIGHLANDS OF VIRGINIA.

* TEMPERATURES...IN THE MID 30S.

* TIMING...LATE TONIGHT...EARLY THURSDAY MORNING.

* IMPACTS...TENDER VEGETATION MAY BE DAMAGED BY FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED.

&&

$$
134 
WWUS71 KRNK 101854
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
254 PM EDT WED OCT 10 2012

...AREAS OF FROST AND POTENTIAL FOR FREEZING TEMPERATURES IN THE
MOUNTAIN VALLEYS TONIGHT...

.A COLD FRONT WILL CROSS THE APPALACHIANS FROM THE WEST BY EARLY
THIS EVENING...USHERING IN A COLDER AIRMASS TONIGHT. WINDS BEHIND
THE FRONT WILL REMAIN GUSTY THIS EVENING...THEN GRADUALLY
DIMINISH OVERNIGHT. WINDS MAY DIMINISH ENOUGH TO ALLOW FOR AREAS
OF FROST TO FORM JUST BEFORE DAYBREAK THURSDAY. TEMPERATURES IN
THE DEEPER MOUNTAIN VALLEYS MAY ALSO SLIP BELOW FREEZING FOR A FEW
HOURS DURING THE EARLY MORNING HOURS THURSDAY.

VAZ015-110300-
/O.UPG.KRNK.FR.Y.0009.121011T0600Z-121011T1300Z/
/O.EXA.KRNK.FZ.W.0008.121011T0600Z-121011T1300Z/
GRAYSON-
INCLUDING THE CITIES OF...INDEPENDENCE...WHITETOP...TROUTDALE...
VOLNEY
254 PM EDT WED OCT 10 2012

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY. THE
FROST ADVISORY IS NO LONGER IN EFFECT.

* LOCATIONS...SOUTHWEST MOUNTAINS OF VIRGINIA.

* TEMPERATURES...AROUND 30 DEGREES.

* TIMING...LATE TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...UNPROTECTED VEGETATION SENSITIVE TO FREEZING
  TEMPERATURES MAY BE KILLED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

VAZ007-009-010-012-020-WVZ042>045-110300-
/O.CON.KRNK.FZ.W.0008.121011T0600Z-121011T1300Z/
TAZEWELL-SMYTH-BLAND-WYTHE-BATH-MERCER-SUMMERS-MONROE-GREENBRIER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...
WYTHEVILLE...HOT SPRINGS...BLUEFIELD...FLAT TOP...HINTON...HIX...
UNION...LEWISBURG...QUINWOOD...DUO...RAINELLE
254 PM EDT WED OCT 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY...

* LOCATIONS...PORTIONS OF SOUTHEAST WEST VIRGINIA...BATH COUNTY 
  OF VIRGINIA...AND WESTERN NEW RIVER VALLEY...ESPECIALLY THE 
  SHELTERED PARTS OF THE VALLEY PROTECTED FROM THE WIND.

* TEMPERATURES...28 TO 32 DEGREES.

* TIMING...LATE TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...UNPROTECTED VEGETATION SENSITIVE TO FREEZING 
  TEMPERATURES MAY BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

NCZ001-002-018-VAZ011-013-014-016>019-110300-
/O.CON.KRNK.FR.Y.0009.121011T0600Z-121011T1300Z/
ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-CARROLL-FLOYD-
CRAIG-ALLEGHANY VA-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
PEARISBURG...RADFORD...PULASKI...BLACKSBURG...GALAX...FLOYD...
NEW CASTLE...CLIFTON FORGE...COVINGTON
254 PM EDT WED OCT 10 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
THURSDAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...NEW RIVER VALLEY 
  AND HIGHLANDS OF VIRGINIA.

* TEMPERATURES...IN THE MID 30S.

* TIMING...LATE TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...TENDER VEGETATION MAY BE DAMAGED BY FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED.

&&

$$
888 
WWUS71 KRNK 110320
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1120 PM EDT WED OCT 10 2012

...AREAS OF FROST AND POTENTIAL FOR FREEZING TEMPERATURES IN THE
MOUNTAIN VALLEYS TONIGHT...

.A COLD FRONT PASSED ACROSS THE AREA EARLIER TODAY...AND COLD AIR
CONTINUES TO BUILD IN FROM THE WEST THIS EVENING. WIND SPEEDS WILL
CONTINUE TO DIMINISH OVERNIGHT...BECOMING CALM ENOUGH THAT FROST
WILL FORM IN SOME AREAS JUST BEFORE DAYBREAK THURSDAY. TEMPERATURES
IN THE DEEPER MOUNTAIN VALLEYS ARE ALSO EXPECTED TO FALL BELOW
FREEZING FOR A FEW HOURS SHORTLY BEFORE DAWN ON THURSDAY.

VAZ007-009-010-012-015-020-WVZ042>045-111130-
/O.CON.KRNK.FZ.W.0008.121011T0600Z-121011T1300Z/
TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-BATH-MERCER-SUMMERS-MONROE-
GREENBRIER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...
WYTHEVILLE...INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...
HOT SPRINGS...BLUEFIELD...FLAT TOP...HINTON...HIX...UNION...
LEWISBURG...QUINWOOD...DUO...RAINELLE
1120 PM EDT WED OCT 10 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THURSDAY...

* LOCATIONS...PORTIONS OF SOUTHEAST WEST VIRGINIA...BATH COUNTY 
  OF VIRGINIA...AND WESTERN NEW RIVER VALLEY...ESPECIALLY THE 
  SHELTERED PARTS OF THE VALLEY PROTECTED FROM THE WIND.

* TEMPERATURES...28 TO 32 DEGREES.

* TIMING...LATE TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...UNPROTECTED VEGETATION SENSITIVE TO FREEZING 
  TEMPERATURES MAY BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

NCZ001-002-018-VAZ011-013-014-016>019-111130-
/O.CON.KRNK.FR.Y.0009.121011T0600Z-121011T1300Z/
ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-CARROLL-FLOYD-
CRAIG-ALLEGHANY VA-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
PEARISBURG...RADFORD...PULASKI...BLACKSBURG...GALAX...FLOYD...
NEW CASTLE...CLIFTON FORGE...COVINGTON
1120 PM EDT WED OCT 10 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THURSDAY...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...NEW RIVER VALLEY 
  AND HIGHLANDS OF VIRGINIA.

* TEMPERATURES...IN THE MID 30S.

* TIMING...LATE TONIGHT AND EARLY THURSDAY MORNING.

* IMPACTS...TENDER VEGETATION MAY BE DAMAGED BY FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED.

&&

$$
381 
WWUS71 KRNK 111019
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
619 AM EDT THU OCT 11 2012

...AREAS OF FROST AND POTENTIAL FOR FREEZING TEMPERATURES IN THE
MOUNTAIN VALLEYS EARLY THIS MORNING...

.CLEAR SKIES AND LIGHT WINDS HAVE ALLOWED TEMPERATURES TO SLIP
INTO THE LOWER 30S THIS MORNING. AREAS OF FROST IS POSSIBLE...
MAINLY IN THE MOUNTAIN VALLEYS. TEMPERATURES IN THE DEEPER
VALLEYS AND LOW LYING AREAS MAY BRIEFLY DIP INTO THE UPPER 20S.


VAZ007-009-010-012-015-020-WVZ042>045-111300-
/O.CON.KRNK.FZ.W.0008.000000T0000Z-121011T1300Z/
TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-BATH-MERCER-SUMMERS-MONROE-
GREENBRIER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...
WYTHEVILLE...INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...
HOT SPRINGS...BLUEFIELD...FLAT TOP...HINTON...HIX...UNION...
LEWISBURG...QUINWOOD...DUO...RAINELLE
619 AM EDT THU OCT 11 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* LOCATIONS...PORTIONS OF SOUTHEAST WEST VIRGINIA...BATH COUNTY 
  OF VIRGINIA...AND WESTERN NEW RIVER VALLEY...ESPECIALLY THE 
  SHELTERED PARTS OF THE VALLEY PROTECTED FROM THE WIND.

* TEMPERATURES...28 TO 32 DEGREES.

* TIMING...EARLY THIS MORNING.

* IMPACTS...UNPROTECTED VEGETATION SENSITIVE TO FREEZING 
  TEMPERATURES MAY BE KILLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

NCZ001-002-018-VAZ011-013-014-016>019-111300-
/O.CON.KRNK.FR.Y.0009.000000T0000Z-121011T1300Z/
ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-CARROLL-FLOYD-
CRAIG-ALLEGHANY VA-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
PEARISBURG...RADFORD...PULASKI...BLACKSBURG...GALAX...FLOYD...
NEW CASTLE...CLIFTON FORGE...COVINGTON
619 AM EDT THU OCT 11 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* LOCATIONS...THE NORTH CAROLINA MOUNTAINS...NEW RIVER VALLEY 
  AND HIGHLANDS OF VIRGINIA.

* TEMPERATURES...IN THE MID 30S.

* TIMING...EARLY THURSDAY MORNING.

* IMPACTS...TENDER VEGETATION MAY BE DAMAGED BY FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE DAMAGED OR KILLED IF LEFT UNCOVERED.

&&

$$
360 
WWUS71 KRNK 111254
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
854 AM EDT THU OCT 11 2012


VAZ007-009-010-012-015-020-WVZ042>045-111400-
/O.EXP.KRNK.FZ.W.0008.000000T0000Z-121011T1300Z/
TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-BATH-MERCER-SUMMERS-MONROE-
GREENBRIER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...
WYTHEVILLE...INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY...
HOT SPRINGS...BLUEFIELD...FLAT TOP...HINTON...HIX...UNION...
LEWISBURG...QUINWOOD...DUO...RAINELLE
854 AM EDT THU OCT 11 2012

...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING...

TEMPERATURES SHOULD QUICKLY JUMP ABOVE FREEZING BY MID MORNING
ENDING THE THREAT FOR FROST OR FREEZING CONDITIONS.

$$

NCZ001-002-018-VAZ011-013-014-016>019-111400-
/O.EXP.KRNK.FR.Y.0009.000000T0000Z-121011T1300Z/
ASHE-ALLEGHANY NC-WATAUGA-GILES-PULASKI-MONTGOMERY-CARROLL-FLOYD-
CRAIG-ALLEGHANY VA-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
PEARISBURG...RADFORD...PULASKI...BLACKSBURG...GALAX...FLOYD...
NEW CASTLE...CLIFTON FORGE...COVINGTON
854 AM EDT THU OCT 11 2012

...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING...

TEMPERATURES WILL WARM ABOVE FREEZING BY MID MORNING WHICH WILL
END THE FROST THREAT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 4:15 AM EDTFreeze WarningRNKBath, Bland, Grayson, Smyth, Tazewell, Wythe29 hr

Nearby

Frost Advisories in Virginia, 2012Frost Advisories in North Carolina, 2012Every frost advisory in 2012

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.