October 2009 Climate Summary

...7TH COOLEST OCTOBER ON RECORD AT ABILENE...

TEMPERATURES AVERAGED BELOW NORMAL IN OCTOBER.

PRECIPITATION FOR OCTOBER WAS NEAR TO ABOVE NORMAL ACROSS MUCH OF
WEST CENTRAL TEXAS. FOR A FEW LOCATIONS THE MONTHLY PRECIPITATION
WAS MORE THAN 200 PERCENT OF NORMAL. SCATTERED POCKETS ACROSS
WEST CENTRAL TEXAS RECEIVED BELOW NORMAL PRECIPITATION FOR THE
MONTH. THIS WAS MOST NOTABLE ACROSS PART OF IRION AND MUCH OF
FISHER COUNTIES. 

AT ABILENE REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR OCTOBER
WAS 61.1 DEGREES. THIS WAS 4.9 DEGREES BELOW THE NORMAL AVERAGE
TEMPERATURE OF 66.0 DEGREES. THIS MARKS THE 7TH COOLEST OCTOBER
ON RECORD AT ABILENE. TOTAL PRECIPITATION FOR ABILENE IN
OCTOBER WAS 3.40 INCHES. THIS WAS 0.50 INCHES ABOVE THE MONTHLY
NORMAL OF 2.90 INCHES.

AT SAN ANGELO REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR OCTOBER
WAS 65.0 DEGREES. THIS WAS 0.4 DEGREES BELOW THE NORMAL AVERAGE
TEMPERATURE OF 65.4 DEGREES. TOTAL PRECIPITATION FOR SAN
ANGELO IN OCTOBER WAS 2.92 INCHES. THIS WAS 0.35 INCHES ABOVE THE
MONTHLY NORMAL OF 2.57 INCHES.


OCTOBER 2009 WEATHER HIGHLIGHTS...

EARLY IN THE MONTH...A SERIES OF UPPER LEVEL DISTURBANCES MOVED
INTO TEXAS FROM THE SOUTHWESTERN STATES. THESE INTERACTED WITH
MOIST AIR AND FRONTAL BOUNDARIES TO BRING SHOWERS AND
THUNDERSTORMS TO WEST CENTRAL TEXAS. SOME OF THE RAINFALL WAS
HEAVY. IN ADDITION...A FEW OF THE STORMS ON THE 6TH AND 8TH WERE
SEVERE. MOST OF THE SEVERE WEATHER OCCURRED IN THE BIG COUNTRY.

HIGH TEMPERATURES WERE MUCH BELOW NORMAL ACROSS THE BIG COUNTRY
ON 9TH THROUGH 11TH...AS CLOUD COVER PERSISTED IN THE COOL AIRMASS
WHICH FOLLOWED A STRONG COLD FRONTAL PASSAGE. DAILY HIGHS WERE
IN THE 50S ACROSS THE BIG COUNTRY AND PARTS OF THE HEARTLAND.

A MORE TRANQUIL PATTERN OCCURRED DURING THE MIDDLE OF THE MONTH.
ANOTHER STORM SYSTEM TRACKED FROM THE SOUTHWESTERN STATES INTO
THE SOUTHERN AND CENTRAL PLAINS ON THE 21ST AND 22ND. THIS ALONG
WITH A COLD FRONTAL PASSAGE BROUGHT RAIN SHOWERS AND A FEW
THUNDERSTORMS TO WEST CENTRAL TEXAS.

LATE IN THE MONTH...SHOWERS AND THUNDERSTORMS OCCURRED ON THE
25TH AND 26TH...IN ASSOCIATION WITH A STRONG UPPER LEVEL DISTURBANCE
AND COLD FRONT.

WITH THE APPROACH OF A STORM SYSTEM FROM THE SOUTHWESTERN STATES...
A BAND OF RAIN SHOWERS OCCURRED ACROSS MAINLY THE NORTHERN HALF OF
WEST CENTRAL TEXAS.

LOW TEMPERATURES WERE IN THE 30S ON THE LAST DAY OF THE MONTH...
WHEN A HIGH PRESSURE SYSTEM SETTLED OVER THE REGION. A LIGHT
FREEZE OCCURRED AT A FEW LOCATIONS ON THE EARLY MORNING OF THE
31ST...INCLUDING SAN ANGELO.

$$


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