Issued by NWS Jackson, KY
000 AWUS83 KJKL 210950 RWSJKL KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-212215- REGIONAL WEATHER SUMMARY NATIONAL WEATHER SERVICE JACKSON KY 450 AM EST SAT NOV 21 2009 EAST KENTUCKY EXPERIENCED ANOTHER SEASONABLY COOL NIGHT UNDER A VEIL OF HIGH CLOUDS OF VARYING THICKNESS. THESE CLOUDS HELPED KEEP TEMPERATURES IN MANY LOCATIONS FROM BECOMING QUITE AS COLD AS THEY ENDED UP FRIDAY MORNING. IN ADDITION...THE CLOUDS LIMITED THE FOG DEVELOPMENT...PREVENTING A REPEAT OF WHAT WAS SEEN YESTERDAY MORNING IN THE EASTERN RIVER VALLEYS. ONCE AGAIN...A RIDGE TO VALLEY TEMPERATURE SPLIT WAS NOTED WITH TEMPERATURES IN THE HIGHER TERRAIN RUNNING ABOUT 10 DEGREES WARMER THAN THE DEEPER VALLEYS. AT 5 AM EST...READINGS RANGED FROM 43 DEGREES AT THE RIDGETOP WEATHER STATION NEAR JACKSON...TO 31 DEGREES REPORTED BY A THERMOMETER AT A SCHOOL OUTSIDE OF WILLIAMSBURG. A WEAK AREA OF HIGH PRESSURE CENTERED OVER KENTUCKY THIS MORNING WILL SLOWLY MOVE OFF TO THE NORTHEAST DURING THE LATTER PART OF THE WEEKEND. AS IT DOES SO...AN AREA OF LOW PRESSURE WILL MOVE NORTHEAST THROUGH THE SOUTHERN APPALACHIANS SPILLING PLENTY OF CLOUDS AND MORE MOISTURE INTO EASTERN KENTUCKY. THE BEST CHANCES FOR RAIN WILL OCCUR DURING THE DAY SUNDAY OVER THE FAR SOUTHEAST PORTIONS OF THE STATE... WITH CHANCES LINGERING OVER MUCH OF THE REMAINDER OF THE AREA INTO SUNDAY NIGHT. AS THIS LOW PRESSURE CENTER SWEEPS OUT OF THE REGION BY THE START OF THE NEW WORK WEEK...THE THREAT OF RAIN WILL END FROM WEST TO EAST MONDAY MORNING. ON THIS DATE IN WEATHER HISTORY...IT WAS A WINTER LIKE DAY AT THE JACKSON WEATHER OFFICE BACK IN 2000. AFTER A RECORD SETTING MORNING LOW OF 19 DEGREES...THE MERCURY ONLY PEAKED AT 30 DEGREES...WHICH TIED THE MINIMUM HIGH TEMPERATURE RECORD FOR NOVEMBER 21ST. IN ADDITION TO THE COLD WEATHER...THE JACKSON WEATHER OFFICE ALSO RECEIVED 0.4 INCHES OF SNOWFALL...WHICH ESTABLISHED A NEW DAILY SNOWFALL RECORD. CLIMATE RECORDS FOR JACKSON DATE BACK TO 1981. $$ GREIF