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SPECIAL WEATHER STATEMENT Date Issued: 340 PM PDT THU MAY 15 2008 Expiration: 545 AM PDT FRI MAY 16 2008 ...UNSEASONABLY HOT WEATHER WILL AFFECT WESTERN WASHINGTON THROUGH SATURDAY... AFTER A COOL AND CLOUDY SPRING IN WESTERN WASHINGTON...A DRAMATIC SHIFT TO HOT AND SUNNY WEATHER WILL OCCUR THROUGH SATURDAY. FRIDAY WILL BE THE HOTTEST DAY FOR MANY SPOTS IN WESTERN WASHINGTON....AND MANY RECORD HIGH TEMPERATURES ARE FORECAST TO OCCUR. FROM THE COAST TO THE PUGET SOUND REGION...TEMPERATURES WILL RISE INTO THE MID 80S TO LOWER 90S. TEMPERATURES RIGHT NEAR THE WATERS OF THE STRAIT OF JUAN DE FUCA AND PUGET SOUND WILL BE A BIT COOLER. TEMPERATURES ALONG THE COAST WILL BE A BIT COOLER SATURDAY...AS THE LOW LEVEL FLOW BEGINS TO TURN ONSHORE AGAIN. BUT HIGH TEMPERATURES OVER THE INTERIOR LOWLANDS ON SATURDAY WILL BE SIMILAR TO FRIDAY. SUNDAY IS EXPECTED TO BE COOLER FOR ALL OF WESTERN WASHINGTON AS MARINE AIR FROM THE PACIFIC OCEAN SPREADS INLAND. A DEEPER LAYER OF MARINE AIR WILL PUSH INLAND SUNDAY NIGHT...MARKING A RETURN TO MORE TYPICAL MAY WEATHER FOR EARLY NEXT WEEK. SEVERAL RECORD HIGH TEMPERATURES ARE EXPORTED TO BE BROKEN FRIDAY AND SATURDAY. THE FOLLOWING TABLE COMPARES THE OFFICIAL NATIONAL WEATHER SERVICE FORECAST WITH RECORD HIGHS AT A FEW LOCATIONS. ASTERICES INDICATE RECORDS THAT WOULD BE BROKEN OR TIED BASED ON THE CURRENT FORECAST. FRIDAY SATURDAY LOCATION FCST RECORD/YEAR FCST RECORD/YEAR BELLINGHAM 83* 78/1985 81* 81/1956 SEA-TAC ARPT 88* 84/1985 88* 85/1956 OLYMPIA ARPT 90* 86/1985 87 90/1956 QUILLAYUTE 87* 86/1985 73 82/1993 HOQUIAM 89* 88/1985 73 87/1958 OTHER RECORDS LIKELY TO FALL THAT ARE NOT OFFICIAL FORECAST POINTS STAMPEDE PASS 78/2006 85/2006 SEATTLE NWS 82/2006 80/1993 THOUGH IT IS NOT FORECAST...IT IS POSSIBLE THAT SEA-TAC AIRPORT COULD REACH 90 DEGREES ON FRIDAY OR SATURDAY. IF THIS WERE TO HAPPEN...IT WOULD BE THE EARLIEST 90-DEGREE DAY ON RECORD AT SEA- TAC. THE EARLIEST OCCURRENCE OF 90-DEGREE WEATHER OCCURRED ON MAY 20 1963...WHEN THE HIGH REACHED 92 DEGREES. AFTER SUCH COOL WEATHER THIS SPRING...PEOPLE SHOULD REFRESH THEMSELVES ON BASIC HOT WEATHER TIPS. WHEN THE WEATHER WARMS UP...BE SURE TO SLOW DOWN...DRINK PLENTY OF WATER...WEAR LIGHTWEIGHT AND LIGHT COLORED CLOTHING...AND BE SURE TO PROTECT YOURSELF FROM SUNBURN BY WEARING SUNSCREEN AND A HAT. THE ELDERLY AND THE VERY YOUNG ARE THE MOST LIKELY GROUPS TO EXPERIENCE ADVERSE HEALTH EFFECTS FROM THE HEAT. WHEN THE WEATHER GETS HOT...IT MAY BE TEMPTING TO JUMP INTO AREA LAKES AND RIVERS...SOME OF WHICH WILL BE SWOLLEN DUE TO RAPID SNOWMELT. KEEP IN MIND THAT LAKE WATER TEMPERATURES ARE STILL IN THE 40S WITH STREAMS AND RIVERS IN THE 30S. DURING SPRING HEAT WAVES OF THIS MAGNITUDE...IT IS IRONIC THAT SWIMMERS HAVE DIED OF HYPOTHERMIA AFTER JUMPING INTO FRIGID RIVER OR LAKE WATERS TO ESCAPE THE HEAT. DESPITE THE HOT WEATHER...PEOPLE SHOULD STILL USE COLD WATER SAFETY PRACTICES BY WEARING A WETSUIT WHEN GOING INTO SUCH COLD WATERS. LASTLY...WITH PLENTY OF SNOW STILL LEFT IN THE MOUNTAINS...THE NORTHWEST WEATHER AND AVALANCHE CENTER IS FORECASTING A WIDESPREAD SPRING AVALANCHE CYCLE...AND AN AVALANCHE WARNING IS ISSUED THROUGH SATURDAY. AN AVALANCHE HAS ALREADY CLOSED THE NORTH CASCADES HIGHWAY SO THE THREAT IS ALREADY HERE. PLEASE REFER TO THE LATEST STATEMENTS FROM THE NORTHWEST WEATHER AND AVALANCHE CENTER AT WWW.NWAC.US. |