PUBLIC INFORMATION STATEMENT 
NATIONAL WEATHER SERVICE SAN ANGELO TX
1204 PM CST SAT JAN 1 2000

...WARMER AND DRIER THAN NORMAL CONDITIONS PREVAILED IN DECEMBER 
ACROSS WEST CENTRAL TEXAS...

WITH THE EXCEPTION OF A FEW RAIN EVENTS AND A SNOW EVENT...THE 
WARMER AND DRIER THAN NORMAL EFFECTS OF LA NINA PERSISTED THROUGH 
DECEMBER.

AN UPPER LEVEL STORM SYSTEM MOVED ACROSS WEST CENTRAL TEXAS ON 
DECEMBER 12TH AND 13TH. IN ADDITION TO ENDING AN EXTENDED DRY 
PERIOD...THIS SYSTEM BROUGHT MUCH NEEDED RAINFALL TO THE HEARTLAND 
AND NORTHWEST HILL COUNTRY. A FEW LOCATIONS RECEIVED AMOUNTS RANGING 
FROM ONE TO 2.75 INCHES OF RAIN. SCATTERED RAINFALL AMOUNTS OF ONE 
HALF TO ONE INCH OCCURRED EAST OF A LINE FROM ABILENE TO ELDORADO. 
THIS SYSTEM BROUGHT LIGHTER RAINFALL TO THE CONCHO VALLEY...WHERE 
AMOUNTS GENERALLY VARIED UNDER ONE HALF INCH. THIS WEATHER SYSTEM 
BROUGHT THE FIRST MEASURABLE RAINFALL TO WEST CENTRAL TEXAS SINCE 
THE END OF OCTOBER. THIS ENDED A DRY PERIOD OF 42 CONSECUTIVE DAYS 
AT SAN ANGELO...AND 41 CONSECUTIVE DAYS AT ABILENE AND JUNCTION. AT 
ABILENE...THE LONGEST RAIN FREE PERIOD ON RECORD IS 73 DAYS (JUNE 
2ND - AUGUST 13TH, 1970). AT SAN ANGELO...THE LONGEST RAIN FREE 
PERIOD ON RECORD IS 115 DAYS (OCTOBER 18TH, 1966 - FEBRUARY 10, 
1967).

AN UPPER LEVEL STORM SYSTEM OVER FAR WEST TEXAS AND NEW MEXICO 
BROUGHT PATCHY LIGHT RAIN TO THE PART OF WEST CENTRAL TEXAS SOUTH 
AND WEST OF SAN ANGELO ON DECEMBER 24TH AND 25TH. RAINFALL AMOUNTS 
WERE GENERALLY LESS THAN ONE TENTH OF AN INCH...BUT A FEW LOCATIONS 
IN THE SOUTHERN HALF OF CROCKETT COUNTY RECEIVED FROM ONE TENTH TO 
ONE HALF INCH OF RAIN.

THE FIRST SNOWFALL OF THE SEASON OCCURRED OVER THE HEARTLAND AND 
NORTHWEST HILL COUNTRY ON THE NIGHT OF DECEMBER 20TH AND 21ST. PARTS 
OF BROWN...MCCULLOCH...MASON...AND SAN SABA COUNTIES RECEIVED AROUND 
ONE INCH OF WET SNOW.

<pre>DESPITE THESE PRECIPITATION EVENTS...MONTHLY PRECIPITATION TOTALS 
WERE AGAIN BELOW NORMAL FOR BOTH SAN ANGELO AND ABILENE.  AT ABILENE 
REGIONAL AIRPORT...TOTAL PRECIPITATION FOR THE MONTH WAS 0.35 
INCH...COMPARED TO THE MONTHLY NORMAL OF 1.03 INCHES. AT SAN ANGELO 
REGIONAL AIRPORT/MATHIS FIELD...TOTAL PRECIPITATION FOR THE MONTH 
WAS ONLY 0.09 INCH... COMPARED TO THE MONTHLY NORMAL OF 0.79 INCH.  

TEMPERATURES AVERAGED ABOVE NORMAL FOR BOTH ABILENE AND SAN ANGELO. 
AT ABILENE...THE MONTHLY MEAN TEMPERATURE FOR DECEMBER WAS 47.8 
DEGREES...WHICH WAS 2.3 DEGREES ABOVE NORMAL.  AT SAN ANGELO... THE 
MONTHLY MEAN TEMPERATURE FOR DECEMBER WAS 49.2 DEGREES...WHICH WAS 
3.2 DEGREES ABOVE NORMAL. AT ABILENE...THE WARMEST TEMPERATURE FOR 
THE MONTH WAS 80 DEGREES ON THE 3RD...WHILE THE COLDEST TEMPERATURE 
FOR THE MONTH WAS 18 DEGREES ON THE 15TH. AT SAN ANGELO...THE 
WARMEST TEMPERATURE FOR THE MONTH WAS 82 DEGREES ON THE THIRD... 
WHILE THE COLDEST TEMPERATURE FOR THE MONTH WAS 20 DEGREES ON THE 
16TH. NO TEMPERATURE RECORDS WERE SET AT ABILENE OR SAN ANGELO 
DURING DECEMBER.

RATHER WINDY CONDITIONS OCCURRED ACROSS WEST CENTRAL TEXAS ON 
DECEMBER 4TH...9TH...AND 14TH. ON THESE DATES...WIND GUSTS OF 35 TO 
45 MPH OCCURRED. AT SAN ANGELO...THE PEAK WIND GUST FOR THE MONTH OF 
44 MPH OCCURRED ON BOTH THE 9TH AND 14TH. AT ABILENE...THE PEAK WIND 
GUST FOR THE MONTH WAS 45 MPH...WHICH OCCURRED ON THE 14TH. AT 
JUNCTION...THE PEAK WIND GUST FOR THE MONTH OF 36 MPH OCCURRED ON 
THE 4TH AND THE 9TH. ON THE 14TH...AREAS OF BLOWING DUST OCCURRED 
ACROSS WEST CENTRAL TEXAS WITH THE GUSTY NORTHWEST WINDS. THIS 
REDUCED VISIBILITIES TO ONE MILE OR LESS AT SOME LOCATIONS.     

NO SEVERE WEATHER WAS REPORTED ACROSS WEST CENTRAL TEXAS DURING 
DECEMBER.
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