WFO San Angelo Climatology

...PRECIPITATION WAS BELOW NORMAL AND TEMPERATURES AVERAGED
ABOVE NORMAL IN NOVEMBER...

WITH THE EXCEPTION OF SAN SABA COUNTY...PRECIPITATION WAS
BELOW NORMAL ACROSS WEST CENTRAL TEXAS IN NOVEMBER. FOR MUCH
OF THE REGION NORTHWEST OF AN OZONA TO RICHLAND SPRINGS...
THE MONTHLY PRECIPITATION WAS LESS THAN 25 PERCENT OF NORMAL.

AT ABILENE REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR NOVEMBER
WAS 56.8 DEGREES. THIS WAS 3.1 DEGREES ABOVE THE NORMAL AVERAGE
TEMPERATURE OF 53.7 DEGREES. TOTAL PRECIPITATION FOR ABILENE IN
NOVEMBER WAS ONLY 0.02 INCHES. THIS WAS 1.28 INCHES BELOW THE
MONTHLY NORMAL OF 1.30 INCHES.

AT SAN ANGELO REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR
NOVEMBER WAS 56.9 DEGREES. THIS WAS 2.9 DEGREES ABOVE THE NORMAL
AVERAGE TEMPERATURE OF 54.0 DEGREES. TOTAL PRECIPITATION FOR SAN
ANGELO IN NOVEMBER WAS ONLY 0.01 INCHES. THIS WAS 1.09 INCHES
BELOW THE MONTHLY NORMAL OF 1.10 INCHES.

NOVEMBER 2009 WEATHER HIGHLIGHTS...

A DRY WEATHER PATTERN PREVAILED DURING NOVEMBER...WITH THE
INFLUENCE OF SEVERAL HIGH PRESSURE SYSTEMS. AFTER A DRY FIRST
WEEK...AN UPPER LEVEL DISTURBANCE MOVED FROM MEXICO EAST
ACROSS TEXAS ON THE 8TH AND 9TH. THIS BROUGHT SHOWERS TO
EASTERN AND SOUTHEASTERN SECTIONS OF WEST CENTRAL TEXAS.
LOCATIONS ACROSS SOUTHEASTERN SECTIONS RECEIVED RAINFALL
AMOUNTS RANGING FROM ONE QUARTER TO THREE QUARTERS OF AN INCH.

AN UPPER LEVEL DISTURBANCE MOVED EAST INTO TEXAS ON THE 20TH.
THE APPROACH AND ARRIVAL OF THIS DISTURBANCE BROUGHT SHOWERS
AND A FEW THUNDERSTORMS DURING THE OVERNIGHT HOURS OF THE 19TH
AND 20TH. RAIN SHOWERS CONTINUED OVER SOUTHEASTERN SECTIONS
OF WEST CENTRAL TEXAS DURING THE MORNING OF THE 20TH. ALTHOUGH
MOST LOCATIONS RECEIVED LESS THAN ONE QUARTER OF AN INCH...
HEAVIER RAINFALL OCCURRED ACROSS THE EASTERN HEARTLAND. PARTS
OF SAN SABA COUNTY RECEIVED THE HEAVIEST AMOUNTS...BETWEEN 1.5
AND 3 INCHES.

DRY AIRMASS OCCUPIED THE REGION LATE IN THE MONTH. LARGE
TEMPERATURE SWINGS OCCURRED BETWEEN THE DAYTIME HIGHS AND
NIGHTTIME LOWS ON A FEW DAYS (40 DEGREES OR MORE AT SOME
LOCATIONS). FOLLOWING A COLD FRONTAL PASSAGE LATE ON THE
23RD...A HIGH PRESSURE SYSTEM MOVED SOUTHEAST AND SETTLED OVER
WEST CENTRAL TEXAS ON THE 25TH AND 26TH. WITH CLEAR SKIES AND
LIGHT WINDS...TEMPERATURES DROPPED INTO 20S FOR LOWS ON THOSE
DAYS. SEVERAL LOCATIONS RECORDED LOWS NEAR 20 DEGREES.

WITH THE INFLUENCE OF A WEAK DISTURBANCE ALOFT...PATCHY RAIN
OCCURRED ON THE 29TH INTO THE MORNING OF THE 30TH. THE COVERAGE
AND AMOUNT OF RAINFALL WAS GREATEST ACROSS SOUTHERN SECTIONS OF
WEST CENTRAL TEXAS. RAINFALL AMOUNTS OF ONE QUARTER TO ONE HALF
INCH OCCURRED ACROSS MUCH OF THE AREA SOUTH OF A LINE FROM
ELDORADO TO MASON.
 
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