WFO San Angelo Climatology

JUNE 2010 WEATHER SUMMARY FOR WEST-CENTRAL TEXAS

...SAN ANGELO TIED ITS 5TH WARMEST JUNE...

TEMPERATURES AVERAGED ABOVE NORMAL FOR JUNE...AND TO A
CONSIDERABLE EXTENT AT SOME LOCATIONS. PRECIPITATION FOR
THE MONTH VARIED FROM WELL ABOVE NORMAL TO WELL BELOW
NORMAL. THE LOWEST AMOUNTS...LESS THAN 1 INCH...OCCURRED
ACROSS PARTS OF THE WESTERN CONCHO VALLEY...AND AT A FEW
LOCATIONS IN CROCKETT...NOLAN...AND NORTHERN SHACKELFORD
COUNTIES. MONTHLY PRECIPITATION WAS WELL ABOVE NORMAL ACROSS
AREAS OF THE BIG COUNTRY...AND AT SOME LOCATIONS ALONG AND
SOUTHEAST OF A LINE FROM SONORA TO BROWNWOOD.  

AT ABILENE REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR
JUNE WAS 83.1 DEGREES. THIS WAS 3.3 DEGREES ABOVE THE NORMAL
AVERAGE TEMPERATURE OF 79.8 DEGREES. TOTAL PRECIPITATION FOR
JUNE WAS 3.32 INCHES. THIS WAS 0.26 INCHES ABOVE THE MONTHLY
NORMAL OF 3.06 INCHES.

AT SAN ANGELO REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR
JUNE WAS 85.1 DEGREES. THIS WAS 5.9 DEGREES ABOVE THE NORMAL
AVERAGE TEMPERATURE OF 79.2 DEGREES. THIS TIES THE 5TH WARMEST
JUNE ON RECORD FOR SAN ANGELO. TOTAL PRECIPITATION FOR JUNE WAS
1.96 INCHES. THIS WAS 0.56 INCHES BELOW THE MONTHLY NORMAL OF
2.52 INCHES.

SAN ANGELO RECORDED 11 DAYS IN JUNE WITH HIGH TEMPERATURES OF
100 DEGREES OR MORE.  FOR ABILENE AND JUNCTION...THE HIGH
TEMPERATURES STAYED BELOW 100 DEGREES DURING THE MONTH.

WEATHER HIGHLIGHTS FOR JUNE 2010...

THE AIRMASS ACROSS THE REGION WAS HUMID AT TIMES DURING JUNE.
THIS HELPED TO LIMIT NIGHTTIME COOLING...AND OVERNIGHT LOWS WERE
IN THE MID TO UPPER 70S ON SEVERAL DAYS DURING THE MONTH. WITH
THESE READINGS...SEVERAL RECORD HIGH MINIMUM TEMPERATURES WERE
SET OR EQUALED AT ABILENE AND SAN ANGELO.

AS AN UPPER LEVEL DISTURBANCE MOVED INTO THE REGION ON THE 1ST...
SCATTERED SHOWERS AND THUNDERSTORMS OCCURRED FROM THE EVENING
OF THE 1ST INTO THE POST-MIDNIGHT HOURS OF THE 2ND. MOST OF
THESE OCCURRED ACROSS THE CONCHO VALLEY. RAINFALL AMOUNTS OF
1 TO 2 INCHES OCCURRED AT SCATTERED LOCATIONS.

A SEVERE WEATHER AND HEAVY RAIN EVENT OCCURRED ON THE 2ND. WITH
A DISTURBANCE IN THE AREA AND AN UNSTABLE AIRMASS...SHOWERS AND
THUNDERSTORMS DEVELOPED ON THE AFTERNOON OF THE 2ND AND BECAME
MORE NUMEROUS.

SEVERE STORMS AFFECTED MUCH OF THE REGION...WITH LARGE HAIL AND
DAMAGING WINDS. SOFTBALL SIZE HAIL WAS REPORTED AT EDEN (CONCHO
COUNTY)...AND HEN EGG TO BASEBALL SIZE HAIL WAS REPORTED NEAR
CHEROKEE (SAN SABA COUNTY). GOLFBALL SIZE HAIL OCCURRED AT
WINCHELL (BROWN COUNTY). STRONG THUNDERSTORM WINDS DOWNED
NUMEROUS TREE LIMBS IN MENARD...AND DAMAGED A SECTION OF ROOF
AT ONE OF THE ABILENE FIRE STATIONS. TREE LIMBS WERE BLOWN DOWN
AT THE KHOS STUDIO IN SONORA.

HEAVY RAINFALL FLOODED LOW WATER CROSSINGS IN BRADY...AND HIGH
WATER WAS REPORTED OVER FARM ROAD 504 BETWEEN PEAR VALLEY AND
LOHN (MCCULLOCH COUNTY).  

A TOTAL OF 25 SEVERE WEATHER AND FLASH FLOODING REPORTS WERE
RECEIVED FOR THIS EVENT.

THE COVERAGE OF THUNDERSTORMS WAS SCATTERED WITH 1 TO 2 INCH
AND LOCALLY HIGHER AMOUNTS ACROSS THE WESTERN AND SOUTHERN BIG
COUNTRY AND ACROSS THE CONCHO VALLEY. MORE WIDESPREAD COVERAGE
WITH 1 TO 3 INCH AND LOCALLY HIGHER AMOUNTS OCCURRED SOUTHEAST
OF A LINE FROM BAIRD TO EDEN TO SONORA.  

THE FIRST 100-DEGREE TEMPERATURES OF THE YEAR OCCURRED AT A FEW
LOCATIONS ON THE 4TH...AND ACROSS A LARGER PART OF WEST CENTRAL
TEXAS ON THE 5TH. THE HOTTER TEMPERATURES DEVELOPED AS A STRONG
HIGH PRESSURE SYSTEM BUILT INTO TEXAS FROM THE SOUTHWESTERN
STATES. A RECORD HIGH OF 106 DEGREES WAS SET AT SAN ANGELO ON
THE 5TH...AND A RECORD HIGH MINIMUM TEMPERATURE OF 78 DEGREES
WAS SET ON THE MORNING OF THE 6TH. CONDITIONS WERE HOT AND
MORE HUMID ON THE 6TH...WHEN HIGH TEMPERATURES WERE MOSTLY IN
BETWEEN 97 AND 103 DEGREES...AND AFTERNOON HEAT INDEX VALUES
CLIMBED INTO THE RANGE OF 102 TO 107 DEGREES.

A WEAK UPPER LEVEL LOW PRESSURE SYSTEM TRACKED FROM SOUTH-
CENTRAL TEXAS TO NORTHEASTERN TEXAS BETWEEN THE 8TH AND 10TH.
ISOLATED SHOWERS AND THUNDERSTORMS NEAR THE WESTERN PERIPHERY
OF THIS SYSTEM OCCURRED ACROSS MASON COUNTY ON THE EVENING OF
THE 9TH.

DURING THE MIDDLE OF THE MONTH...THE UPPER LEVEL HIGH PRESSURE
SYSTEM WEAKENED ON THE 14TH AND ALLOWED A WEAK COLD FRONT TO
APPROACH WEST CENTRAL TEXAS FROM THE NORTH. WITH THE APPROACH
OF THE FRONT INTO AN UNSTABLE AIRMASS...SEVERAL CLUSTERS OF
THUNDERSTORMS MOVED SOUTHEAST ACROSS THE BIG COUNTRY AND INTO
THE NORTHERN HEARTLAND...FROM THE LATE EVENING OF THE 14TH INTO
THE MORNING OF THE 15TH. A 71 MPH WIND GUST WAS MEASURED ONE
MILE NORTHWEST OF HASKELL...FROM A SEVERE STORM IN THAT AREA.
THE ABILENE REGIONAL AIRPORT RECORDED A 41 MPH WIND GUST FROM
A THUNDERSTORM ON THE 15TH.

VERY HEAVY RAINFALL ALSO ACCOMPANIED THE THUNDERSTORMS. RAINFALL
AMOUNTS OF 3 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS...
OCCURRED ACROSS AREAS OF THE BIG COUNTRY. RAINFALL AMOUNTS
BETWEEN ONE HALF AND 1.5 INCHES OCCURRED AT WIDELY SCATTERED
LOCATIONS ACROSS THE NORTHERN CONCHO VALLEY AND NORTHERN
HEARTLAND. FLASH FLOODING WAS REPORTED IN FISHER COUNTY...AT
A HIGHWAY INTERSECTION 1 MILE EAST OF ROBY. ON THE 15TH A
RECORD DAILY RAINFALL AMOUNT WAS RECORDED AT ABILENE.

THE UPPER LEVEL HIGH PRESSURE SYSTEM STRENGTHENED OVER TEXAS
AND DOMINATED THE WEATHER PATTERN AGAIN FROM THE 18TH TO 24TH.
ACROSS WEST CENTRAL TEXAS THIS PATTERN WAS ACCOMPANIED BY DRY
CONDITIONS WITH ABOVE NORMAL TEMPERATURES.

DURING THE LAST WEEK OF THE MONTH...THE HIGH PRESSURE SYSTEM
WEAKENED AND WAS FOLLOWED BY THE DEVELOPMENT OF A WETTER AND
COOLER PATTERN. COMBINATION OF WEAK UPPER LEVEL DISTURBANCES
AND AN INCREASINGLY MOIST AIRMASS RESULTED IN THE DEVELOPMENT
OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION. THE COVERAGE
WAS SCATTERED ON THE 24TH THROUGH 26TH...AND MORE WIDESPREAD
ON THE 27TH THROUGH 29TH. HIGH TEMPERATURES WERE BELOW NORMAL
ON THE LAST FEW DAYS OF THE MONTH.    

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