PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 422 PM CST FRI JAN 1 1999 ...SNOW AND FREEZING RAIN OVER PORTIONS OF THE REGION AND WIDE VARIATIONS IN TEMPERATURES HIGHLIGHT THE DECEMBER WEATHER FOR WEST CENTRAL TEXAS... AFTER A WARM START TO THE MONTH...TEMPERATURES FLUCTUATED WIDELY BETWEEN WARM AND COLD SPELLS WITH MOST DAYS ON THE MILD SIDE...BUT A BLAST OF ARCTIC AIR LASTING THREE DAYS UNTIL CHRISTMAS EVE RESULTED IN OVERALL TEMPERATURES FOR DECEMBER AVERAGING NEAR NORMAL. AT SAN ANGELO REGIONAL AIRPORT/MATHIS FIELD...THE MONTHLY MEAN TEMPERATURE FOR DECEMBER WAS 46.5 DEGREES...WHICH WAS 0.5 DEGREES ABOVE THE AVERAGE MEAN DECEMBER TEMPERATURE OF 46.0 DEGREES. AT ABILENE REGIONAL AIRPORT...THE MONTHLY MEAN TEMPERATURE FOR DECEMBER WAS 45.0 DEGREES...WHICH WAS 0.5 DEGREES BELOW THE AVERAGE MEAN DECEMBER TEMPERATURE OF 45.5 DEGREES. NO DAILY RECORD HIGHS OR LOWS WERE SET OR TIED IN ABILENE OR SAN ANGELO THROUGHOUT THE MONTH... ALTHOUGH SAN ANGELO SET AN UNOFFICIAL RECORD FOR THE LATEST FIRST FREEZE INTO THE FALL SEASON WHICH OCCURRED ON DECEMBER 8. RAINFALL FOR DECEMBER WAS GENERALLY SLIGHTLY BELOW NORMAL OVER MOST OF WEST CENTRAL TEXAS...EXCEPT SLIGHTLY ABOVE NORMAL FOR NORTHERN AND EASTERN PORTIONS OF THE REGION. ABILENE RECEIVED 1.37 INCHES OF RAINFALL...COMPARED TO THE NORMAL DECEMBER RAINFALL OF 1.03 INCHES. THIS ENDS THE EIGHT MONTH STREAK OF BELOW NORMAL RAINFALL TOTALS AT ABILENE REGIONAL AIRPORT. SAN ANGELO RECEIVED 0.49 INCH OF RAINFALL...COMPARED TO THE NORMAL DECEMBER RAINFALL OF 0.79 INCH. NOT ALL OF THE PRECIPITATION IN THE MONTH OF DECEMBER FELL IN THE FORM OF RAIN. ON DECEMBER 11TH...AN UPPER LEVEL STORM SYSTEM PRODUCED SIGNIFICANT SNOWFALL OVER THE NORTHWEST CONCHO VALLEY AND WESTERN BIG COUNTRY...WITH ACCUMULATIONS RANGING FROM 4 TO 7 INCHES OVER MOST OF STERLING...MITCHELL...NOLAN...AND FISHER COUNTIES. ALTHOUGH NORTHWEST PORTIONS OF TAYLOR AND TOM GREEN COUNTIES RECEIVED 1 TO 4 INCHES OF SNOW...THE CITIES OF ABILENE AND SAN ANGELO ONLY RECEIVED A TRACE OF SNOW FROM THIS STORM. ON THE MORNING OF DECEMBER 23...AREAS OF LIGHT FREEZING RAIN AND SLEET PRODUCED SLIPPERY ROADS OVER PORTIONS OF THE BIG COUNTRY AND HEARTLAND...WHILE DURING THE EVENING OF THE 23RD AND INTO THE EARLY MORNING HOURS OF THE 24TH THE SOUTHEAST HALF OF THE REGION RECEIVED MORE FREEZING RAIN AND SLEET. ROADS ACROSS AREAS SOUTH OF AN OZONA TO ELDORADO TO BROWNWOOD LINE WERE ICE COVERED THROUGH THE 24TH...BUT NO DAMAGE TO TREES OR POWER LINES WERE REPORTED FROM THE 1/10 TO 1/3 INCH LAYER OF ICE THAT ACCUMULATED. ONLY A FEW NOTABLE RAIN EVENTS OCCURRED IN THE TYPICALLY DRY MONTH OF DECEMBER. RAINFALL UP TO 3/4 INCH OCCURRED OVER PORTIONS OF THE SOUTHEAST BIG COUNTRY...NORTHERN HEARTLAND...AND RUNNELS COUNTY ON THE 3RD...AND BETWEEN 1/2 AND 1 INCH OF RAIN FELL OVER PORTIONS OF THE EASTERN BIG COUNTRY AND HEARTLAND DURING THE 10TH AND 11TH. NO SEVERE WEATHER EVENTS WERE REPORTED ACROSS WEST CENTRAL TEXAS IN DECEMBER. $$ DEUTSCHENDORF