Wind Chill Advisory 5, NWS Charleston, WV

000 
WWUS41 KRLX 161023
WSWRLX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON WV
523 AM EST FRI FEB 16 2007

WVZ046-047-161500-
/O.CON.KRLX.WC.Y.0005.000000T0000Z-070216T1500Z/
POCAHONTAS-RANDOLPH-
INCLUDING THE CITIES OF...MARLINTON...ELKINS
523 AM EST FRI FEB 16 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

STIFF NORTHWEST WINDS OF 10 TO 20 MPH WILL COMBINE WITH TEMPERATURES
DROPPING INTO THE SINGLE DIGITS TO CREATE WIND CHILLS FROM -10
AROUND 2500 FEET...WITH ACTUAL LOWS OF 5 TO 10 ABOVE...TO -20
ABOVE 4000 FEET...WITH ACTUAL LOWS OF ZERO TO FIVE BELOW.

THESE LOW WIND CHILLS WILL BE FELT MAINLY OVER EXPOSED WINDWARD
SLOPES AND RIDGES.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WINDS WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS COULD RESULT IN FROST
BITE AND MAY LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON WV
731 PM EST THU FEB 15 2007

.AVIATION /00Z-24Z/...

NW FLOW OF ARCTIC AIR WILL PERSIS THROUGH MOST OF THE PERIOD. VFR
CLOUD DECK AROUND 4KFT WILL BECOME A BIT MORE WIDESPREAD AND
LOWER TO MVFR AT TIMES OVERNIGHT BEFORE LIFTING TO VFR AGAIN AFTER
DAYBREAK FRIDAY. FLURRIES AND SNOW SHOWERS WILL DEVELOP...WITH
MVFR VSBY IN A SNOW SHOWER MOST LIKELY EKN OVERNIGHT.

HIGH PRESSURE BUILDING INTO THE AREA LATER FRIDAY WILL BREAK UP
THE CLOUDS AND TURN THE FLOW TO LIGHT W TO SW.

&&

.PREV DISCUSSION...
/ISSUED 339 PM EST THU FEB 15 2007/

SHORT TERM /TONIGHT THROUGH SUNDAY NIGHT/...

PERSISTENT NORTHWEST FLOW OF ARCTIC AIR OFF THE GREAT LAKES
CONTINUES THROUGH THE DAY FRIDAY. INSTABILITY CLOUDS AND SNOW
SHOWERS AND FLURRIES HAVE DEVELOPED OVER OHIO THIS AFTERNOON. EXPECT
THESE TO CONTINUE TO POP UP INTO OUR AREA BEFORE DISSIPATING LATER
THIS EVENING. LOOKS LIKE LAKE MICHIGAN PLUME HAS SHIFTED MORE TO THE
NORTH ACROSS NORTHERN OHIO. THUS...CLOUDS AND FLURRIES THAT DO
DEVELOP IN THE WEST EXPECTED TO DECREASE LATER THIS EVENING WITH
LOSS OF HEATING. HARD TO SEE ANY SHORT WAVES TO AID IN ANY SNOW
SHOWERS...BUT UPSLOPE COMPONENT LOOKS GOOD FOR AT LEAST SCATTERED
SNOW SHOWERS IN THE MOUNTAINS TONIGHT...BUT LIGHT ACCUMULATIONS AT
BEST. AGAIN...GOING A LITTLE BELOW TEMP GUIDANCE...BUT WINDS ALSO
DIMINISH EXCEPT IN THE HIGHER ELEVATIONS...SO NOT JUMPING ON A WIND
CHILL ADVISORY JUST YET.

UPSLOPE -SHSN CONT IN THE MTNS FRI MRNG AS WINDS RMN NW AND THE LAST
IN A SERIES OF UPR AIR IMPULSES PASS.  ANY MRNG ACCUM WL BE AN INCH
OR LESS.  SFC FLOW SHIFTS SW ERODING THE CLDS AND PUTTING AN END TO
THE WINTER WX IN THE MTNS BY FRI AFTN.  BENIGN WX FRI NGT WITH HIGH
PRES NEARBY.

12Z NCEP SUITE RESOLVES THE CLIPPER SYSTM SAT DIFFERENTLY WITH NAM
BEING THE SLOWEST AND GFS THE FASTEST.  SREF MEAN FAVORS A GFS SLTN
WHICH SEEMS THE BEST COURSE GVN PAST EVENTS THIS SEASON.  SREF COND
PROB OF WX POINTS TO A VERY HIGH PROB OF SN...WHICH THERMAL PROFILES
FM THE NAM AND GFS ILLUSTRATE AS WELL.  SREF PLUMES FOR VARIOUS
POINTS ACR THE CWA SUPPORT AN SN EVENT.  SN STARTS MID MRNG SAT WITH
A LTL REPRIEVE DURING THE NGT TIME UNTIL A MID LVL SWEEPS SE SUN.
WINDS AND MSTR DEPTH REMAIN FAVORABLE FOR SVRL INCHES IN THE NRN
MTNS ON SUN...WITH AN ADDITIONAL LGT ACCUM OVR THE ADJ LLNDS.  AS
THE CYCLONE TAKES A TRACK S OF THE TUG BASIN /AT LEAST FOR NOW/ WE
WL BE MONITORING FOR POTENTIAL WX HEADLINES OVR THE WKND.

LONG TERM /MONDAY THROUGH THURSDAY/...

LONG TERM GRIDS MAINLY HANDLED BY PBZ TODAY DUE TO SOFTWARE
UPGRADE.  OVERALL PATTERN ADVERTISES A RETURN TO ZONAL FLOW BY
MIDWEEK...RESULTING IN MORE SEASONABLE TEMPERATURES.  AFTER A COLD
START...WARM FRONT PASSES ON MONDAY WITH MINIMAL MOISTURE...ONLY
SLIGHT CHANCE POPS INCLUDED.  BULK OF THE PERIOD WILL BE DOMINATED
BY SLOW-MOVING SOUTHERN STREAM SYSTEM MOVING ACROSS THE LOWER
MISSISSIPPI AND TENNESSEE VALLEYS.  PRECIP LOOKS TO BE PREDOMINATELY
RAIN...ALTHOUGH SNOW IS STILL A POSSIBILITY IN THE HIGHER
ELEVATIONS.  SOME AREAS MAY FINALLY HIT 50 DEGREES AGAIN BY THE TIME
THURSDAY ROLLS AROUND.

PREV DISCUSSION...
/ISSUED 506 AM EST THU FEB 15 2007/

AVIATION /12Z-12Z/...

STRATO CUMULUS DECK AND SNOW WILL REMAIN TIGHT AGAINST THE MOUNTAINS
THIS MORNING AS DRY AIR ATTACKS IT FROM THE WEST. MICHIGAN PLUME
WILL SWING INTO THE REGION LATER THIS MORNING...ALLOWING CLOUD DECK
TO EXPAND WESTWARD AND PROVIDING AN INCREASE IN SNOW SHOWERS. THE
CLOUD DECK AND SOME SNOW SHOWERS WILL REMAIN TONIGHT...BUT START
CLEARING FROM THE WEST LATE TONIGHT.

&&

.RLX WATCHES/WARNINGS/ADVISORIES...
WV...NONE.
OH...NONE.
KY...NONE.
VA...NONE.
&&

AVIATION...TRM

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
410 AM EST THU FEB 15 2007

KYZ101>103-105-OHZ066-067-075-076-083>087-VAZ003-004-WVZ005>011-
013>020-024>040-160915-
GREENUP-CARTER-BOYD-LAWRENCE KY-PERRY-MORGAN-ATHENS-WASHINGTON-
JACKSON OH-VINTON-MEIGS-GALLIA-LAWRENCE OH-DICKENSON-BUCHANAN-
WAYNE-CABELL-MASON-JACKSON WV-WOOD-PLEASANTS-TYLER-LINCOLN-PUTNAM-
KANAWHA-ROANE-WIRT-CALHOUN-RITCHIE-DODDRIDGE-MINGO-LOGAN-BOONE-
CLAY-BRAXTON-GILMER-LEWIS-HARRISON-TAYLOR-MCDOWELL-WYOMING-
RALEIGH-FAYETTE-NICHOLAS-WEBSTER-UPSHUR-BARBOUR-
410 AM EST THU FEB 15 2007

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A CLIPPER LOW PRESSURE SYSTEM WILL BE TRACKING ACROSS THE OHIO VALLEY
ON SATURDAY AND SATURDAY NIGHT. IT HAS THE POTENTIAL TO PRODUCE
SEVERAL INCHES OF SNOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

WVZ046-047-160915-
POCAHONTAS-RANDOLPH-
410 AM EST THU FEB 15 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A CLIPPER LOW PRESSURE SYSTEM WILL BE TRACKING ACROSS THE OHIO VALLEY
ON SATURDAY AND SATURDAY NIGHT. IT HAS THE POTENTIAL TO PRODUCE
SEVERAL INCHES OF SNOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.