WEATHER: National Weather Service Issues Statement with ‘S’ Word In It


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The National Weather Service issued a new ‘Special Weather Statement‘ Wednesday afternoon (Jan. 9), warning of “much colder temperatures and a chance of spotty lowland snow” through the weekend.

Here’s the full statement:

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SEATTLE WA
146 PM PST WED JAN 9 2013

…MUCH COLDER TEMPERATURES AND A CHANCE OF SPOTTY LOWLAND SNOW AT TIMES TONIGHT THROUGH THE WEEKEND…

LOW TEMPERATURES THURSDAY MORNING WILL GENERALLY BE IN THE LOW 30S BUT HIGHS WILL STRUGGLE TO REACH 40 DURING THE AFTERNOON HOURS. WEAK FRASER OUTFLOW ALONG WITH A GRADUALLY DRYING AIR MASS WILL ALLOW TEMPERATURES TO FALL EVEN FURTHER FRIDAY AND SATURDAY. HIGHS WILL REMAIN IN THE 30S WITH LOW TEMPERATURES DOWN IN THE 20S. ALL OF WESTERN WHATCOM AND SKAGIT COUNTIES AND SOME OTHER COLD POCKET LOCATIONS COULD SEE TEMPERATURES FALL INTO THE LOWER TO MID TEENS OVERNIGHT. ONLY A SLIGHT MODERATION IS EXPECTED SUNDAY. TEMPERATURES WILL SLOWLY RETURN TO NEAR AVERAGE EARLY NEXT WEEK.

THERE IS STILL MOISTURE IN PLACE OVER WESTERN WASHINGTON WHICH WILL RESULT IN SCATTERED SHOWERS THROUGH THURSDAY MORNING. THE AIR MASS WILL BECOME COLD ENOUGH LATER TONIGHT SO THAT SOME SHOWERS MAY FALL AS A MIX OF RAIN AND SNOW OR POSSIBLY JUST SNOW DOWN TO SEA LEVEL. ISOLATED SNOW AMOUNTS ACROSS THE AREA WILL LIKELY REMAIN BELOW ONE INCH IN THIS TYPE OF PATTERN. HOWEVER…THE PUGET SOUND CONVERGENCE ZONE IS EXPECTED TO BE ACTIVE TONIGHT THROUGH AT LEAST THURSDAY WHICH MAY PRODUCE LOCALLY HIGHER ACCUMULATIONS. AREAS MOST LIKELY TO GET CONVERGENCE ZONE SNOW WILL BE FROM NORTH SEATTLE ALONG THE I-5 CORRIDOR TO BELLINGHAM. SOME PLACES COULD GET 1 TO 2 INCHES OF SNOW LATE TONIGHT THROUGH THURSDAY AFTERNOON.

DRIER AIR WILL FILTER INTO THE AREA THURSDAY NIGHT SO THE THREAT OF PRECIPITATION WILL GREATLY DIMINISH THROUGH FRIDAY. ANOTHER SYSTEM MAY ARRIVE SOMETIME SATURDAY AND SATURDAY NIGHT. CURRENT COMPUTER MODELS SUGGEST THERE IS A CHANCE OF SOME LIGHT ACCUMULATIONS ACROSS WESTERN WASHINGTON WITH THIS SYSTEM.

And here’s the latest 7-day forecast:

  • This Afternoon: Showers likely, mainly before 4pm. Cloudy, with a steady temperature around 42. South southwest wind around 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
  • Tonight: A chance of rain showers before 10pm, then a chance of sprinkles and flurries. Snow level 1500 feet lowering to 300 feet. Cloudy, with a low around 33. South wind 5 to 10 mph. Chance of precipitation is 50%.
  • Thursday: A chance of sprinkles and flurries before 10am. Snow level 500 feet. Partly sunny, with a high near 41. Calm wind becoming south southeast around 5 mph in the morning.
  • Thursday Night: Mostly cloudy, with a low around 31. North northwest wind around 5 mph becoming light and variable in the evening.
  • Friday: Mostly sunny, with a high near 38. Calm wind.
  • Friday Night: Mostly cloudy, with a low around 31.
  • Saturday: A chance of rain and snow. Snow level 200 feet. Mostly cloudy, with a high near 38. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Saturday Night: A chance of rain. Mostly cloudy, with a low around 33.
  • Sunday: Partly sunny, with a high near 39.
  • Sunday Night: Mostly cloudy, with a low around 34.
  • Monday: Partly sunny, with a high near 41.
  • Monday Night: Mostly cloudy, with a low around 34.
  • Tuesday: Partly sunny, with a high near 43.
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