!!! WEATHER ALERT This Is A BergenSkywarn WEATHER ALERT !!!
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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE UPTON
NY
600 AM EDT FRI OCT 30 2009
...THIS IS WINTER
WEATHER AWARENESS WEEK...
PLEASE JOIN THE NATIONAL WEATHER
SERVICE AND THE NEW YORK STATE
DISASTER PREPAREDNESS COMMISSION IN
PROMOTING WINTER WEATHER
EDUCATION INCLUDING SAFETY.
TODAY'S THEME IS WINTER WEATHER WATCHES...WARNINGS AND
ADVISORIES.
THERE ARE FOUR WARNINGS: BLIZZARD...ICE
STORM...WINTER STORM AND
WIND CHILL.
THERE ARE
THREE ADVISORIES: WINTER WEATHER...FREEZING RAIN AND
WIND
CHILL.
WATCHES AND WARNINGS ARE ISSUED FOR POTENTIALLY LIFE
THREATENING
HAZARDOUS WEATHER. WATCHES ARE ISSUED 12 TO 48 HOURS
BEFORE THE
EVENT IS EXPECTED. WARNINGS ARE ISSUED UP TO 36 HOURS
BEFORE THE
EVENT. ADVISORIES ARE ISSUED FOR LESS SERIOUS EVENTS UP TO
36 HOURS
BEFORE THEY OCCUR.
A BLIZZARD WATCH AND
WARNING WILL BE ISSUED FOR WINDS AVERAGING AT
LEAST 35 MPH AND
FALLING OR BLOWING SNOW PRODUCING VISIBILITIES LESS
THAN 1/4 MILE FOR
AT LEAST 3 HOURS.
A WINTER STORM WATCH AND WARNING WILL BE
ISSUED FOR...
HEAVY SNOW...WHEN AN AVERAGE OF AT LEAST 6
INCHES IN 12 HOURS OR 8
INCHES IN 24 HOURS IS FORECAST.
FREEZING RAIN...WHEN AT LEAST ONE HALF INCH OF ICE IS
FORECAST.
A COMBINATION OF HEAVY SNOW...SLEET AND FREEZING
RAIN.
A FLOOD WATCH AND WARNING WILL BE ISSUED FOR FLOODING
OF RIVERS
...SMALL STREAMS...STREETS AND POOR DRAINAGE AREAS. HEAVY
RAIN
LASTING AT LEAST 6 HOURS IS USUALLY A MAJOR CAUSE OF
FLOODING.
A COASTAL FLOOD WATCH AND WARNING WILL BE ISSUED
FOR AT LEAST
WIDESPREAD MODERATE TIDAL FLOODING OF THE
SHORES.
A HIGH WIND WATCH AND WARNING WILL BE ISSUED FOR
WINDS AVERAGING AT
LEAST 40 MPH FOR AT LEAST 1 HOUR OR FOR WIND GUSTS
REACHING AT LEAST
58 MPH FOR ANY DURATION.
A
WIND CHILL WATCH AND WARNING WILL BE ISSUED WHEN THE COMBINATION
OF
AIR TEMPERATURE AND WIND SPEED PRODUCE WIND CHILL VALUES OF AT
LEAST
MINUS 25 DEGREES.
ADVISORIES WILL BE ISSUED FOR LOWER
AMOUNTS OR VALUES AND COVER
WINTER WEATHER...BLOWING SNOW...FREEZING
DRIZZLE OR RAIN...DENSE
FOG...WIND AND WIND CHILL.
FOR SPECIFIC NWS CRITERIA...ACCESS OUR WINTER WEATHER WEB PAGE
AT:
http://www.weather.gov/okx/winterweather/php