[K3PZN-List] Ice Storm Warning
Stephen C Beckman
Stephen_C_Beckman at raytheon.com
Wed Dec 14 17:05:47 EST 2005
NOAA has replaced their ice storm watch with an ice storm WARNING.
...ICE STORM WARNING IN EFFECT FROM 7 AM THURSDAY TO 7 AM EST
FRIDAY...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED AN
ICE STORM WARNING...WHICH IS IN EFFECT FROM 7 AM THURSDAY TO 7 AM
EST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.
THE COMBINATION OF VERY COLD AIR TO THE NORTH AND LOW PRESSURE
OVER THE GULF STATES WILL PROVIDE THE FUEL FOR A SIGNIFICANT ICE
STORM ON THURSDAY. PRECIPITATION WILL LIKELY BEGIN AS A PERIOD OF
LIGHT SNOW BY MID MORNING THURSDAY...AND THEN CHANGE TO SLEET.
WARMER AIR WILL BE DRAWN INTO THE AREA A FEW THOUSAND FEET OFF THE
GROUND...CAUSING PRECIPITATION TO CHANGE TO LIQUID. HOWEVER AT
THE SURFACE TEMPERATURES ARE EXPECTED TO STAY BELOW FREEZING
THROUGHOUT THE DAY...CAUSING RAIN TO FREEZE ON CONTACT ON
ROADS...POWER LINES...AND TREES. THIS WILL BE ESPECIALLY
PROBLEMATIC ALONG THE PENNSYLVANIA BORDER. ICE ACCUMULATIONS
BETWEEN 1/4 AND 1/2 INCH ARE EXPECTED. HIGHEST ACCUMULATIONS ARE
EXPECTED IN THE NORTHERN AND WESTERN PORTIONS OF THESE COUNTIES.
POWER OUTAGES AND EXTREMELY TREACHEROUS DRIVING CONDITIONS ARE
POSSIBLE BY THURSDAY AFTERNOON.
AS THE LOW PULLS NORTHEAST OF THE AREA FRIDAY...MORE COLD AIR
WILL BE DRAWN INTO THE REGION...CHANGING PRECIPITATION TO SNOW BEFORE
ENDING EARLY FRIDAY.
AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. ICE ACCUMULATIONS WILL
LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT
ADD TO THE DANGER.
73; Steve, N3SB
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