WFO San Angelo Climatology

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
451 PM CDT THU JUN 1 2006

...7TH WARMEST MAY ON RECORD FOR SAN ANGELO...

TEMPERATURES AVERAGED ABOVE NORMAL IN MAY.

TOTAL RAINFALL FOR THE MONTH WAS NEAR OR ABOVE NORMAL ACROSS THE
BIG COUNTRY...HEARTLAND...NORTHWEST HILL COUNTRY...AND PARTS OF
THE NORTHERN AND EASTERN CONCHO VALLEY. MONTHLY RAINFALL IN THESE
AREAS GENERALLY RANGED FROM 2 TO 4 INCHES. A FEW LOCATIONS
RECEIVED 4 TO 6 INCH AMOUNTS.

RAINFALL WAS WELL BELOW NORMAL ACROSS SOUTHWESTERN SECTIONS OF
WEST CENTRAL TEXAS...GENERALLY SOUTHWEST OF A LINE FROM STERLING
CITY TO SAN ANGELO TO ELDORADO AND SONORA. MONTHLY RAINFALL ACROSS
MUCH OF THAT AREA WAS LESS THAN ONE INCH...WITH UNDER ONE HALF INCH
AT SCATTERED LOCATIONS.

AT ABILENE REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR MAY WAS
74.9 DEGREES. THIS WAS 2.1 DEGREES ABOVE THE NORMAL AVERAGE
TEMPERATURE OF 72.8 DEGREES. TOTAL PRECIPITATION FOR MAY WAS 3.40
INCHES. THIS WAS 0.57 INCHES ABOVE THE MONTHLY NORMAL OF 2.83
INCHES. ABILENE RECORDED NO DAYS WITH HIGH TEMPERATURES OF 100
DEGREES OR ABOVE DURING MAY.

AT SAN ANGELO REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR MAY WAS
77.4 DEGREES. THIS WAS 4.3 DEGREES ABOVE THE NORMAL AVERAGE
TEMPERATURE OF 73.1 DEGREES. TOTAL PRECIPITATION FOR MAY WAS 1.90
INCHES. THIS WAS 1.19 INCHES BELOW THE MONTHLY NORMAL OF 3.09
INCHES. SAN ANGELO RECORDED 4 DAYS WITH HIGH TEMPERATURES OF 100
DEGREES OR ABOVE DURING MAY.


MAY 2006 WEATHER HIGHLIGHTS...

MAY IS TYPICALLY A VERY ACTIVE SEVERE WEATHER MONTH IN WEST
CENTRAL TEXAS. MOST OF THE SEVERE WEATHER THIS MAY WAS
CONCENTRATED INTO THE THE FIRST WEEK OF THE MONTH.

THE FIRST SEVERAL DAYS IN MAY WAS A VERY ACTIVE PERIOD WITH
THUNDERSTORMS AND SEVERE WEATHER. ON THE EVENING OF THE 2ND AN
UPPER LEVEL DISTURBANCE MOVED EAST INTO THE REGION AND INTERACTED
WITH A VERY UNSTABLE AIRMASS. A TORNADO WAS REPORTED 2 MILES WEST
OF BLACKWELL (NOLAN COUNTY). SEVERAL STORMS PRODUCE NICKEL OR
QUARTER SIZE HAIL. A COMPLEX OF SEVERE THUNDERSTORMS MOVED
SOUTHEAST INTO THE BIG COUNTRY DURING THE OVERNIGHT HOURS OF THE
3RD AND 4TH. THE LARGEST HAIL REPORTED WAS GOLFBALL SIZE 3 MILES
EAST OF HAWLEY (JONES COUNTY).

SIGNIFICANT SEVERE WEATHER EVENTS OCCURRED ON THE 5TH AND 5TH.
A COLD FRONT MOVED DOWN INTO THE AREA BY THE 4TH...AND NUMEROUS
THUNDERSTORMS OCCURRED ACROSS WEST CENTRAL TEXAS FROM THE LATE
AFTERNOON INTO THE NIGHTTIME HOURS. A TORNADO WAS REPORTED 3
MILES WEST OF MERTZON...AND A BRIEF TORNADO OCCURRED 3 MILES
NORTH OF VICK. SEVERAL STORMS PRODUCED VERY LARGE HAIL...RANGING
FROM GOLFBALL TO GRAPEFRUIT SIZE. THE LARGEST HAIL REPORTS
INCLUDED GRAPEFRUIT SIZE IN MERTZON AND BAIRD...BASEBALL SIZE 10
MILES SOUTH OF STERLING CITY AND 3 MILES SOUTHWEST OF CHRISTOVAL...
AND TENNIS BALL SIZE 1 MILE NORTH OF SWEETWATER.

WITH A STALLED COLD FRONTAL BOUNDARY AND THE APPROACH OF AN
UPPER LEVEL DISTURBANCE...NUMEROUS SEVERE STORMS OCCURRED FROM
THE EVENING OF THE 5TH UNTIL JUST AFTER MIDNIGHT ON THE 6TH.
A TORNADO WAS REPORTED NEAR TALPA (COLEMAN COUNTY). A NUMBER OF
THESE STORMS PRODUCE GOLFBALL TO BASEBALL SIZE HAIL. BASEBALL
SIZE HAIL WAS REPORTED AT HOBBS AND 5 MILES WEST OR ROBY (FISHER
COUNTY)...AT TRUBY...HAMBY AND AROUND HAWLEY (JONES COUNTY)
INCLUDING THE LAKE FORT PHANTOM AREA...AT MORAN (SHACKELFORD
COUNTY)...3 MILES NORTHWEST OF BANGS (BROWN COUNTY).

IN ALL...A TOTAL OF 134 SEVERE WEATHER REPORTS WERE RECEIVED
FROM THE 1ST THROUGH THE 5TH. VERY HEAVY RAINFALL ACCOMPANIED THE
STORMS AS WELL. NUMEROUS LOCATIONS NORTH AND EAST OF A COLORADO
CITY TO LAKE ABILENE TO JUNCTION LINE RECEIVED 1.5 TO 3 INCHES
OF RAINFALL...WITH LOCALIZED AMOUNTS OF 3 TO 5 INCHES. FLASH
FLOODING OCCURRED IN BROWNWOOD WITH MAJOR FLOODING AT VARIOUS
INTERSECTIONS ACROSS THE CITY. HIGH WATER RESCUES WERE PERFORMED
WITH STRANDED VEHICLES AT SEVERAL FLOODED INTERSECTIONS.

A DRY COLD FRONTAL PASSAGE OCCURRED ON THE EARLY MORNING OF
THE 10TH. WITH A COOLER AIRMASS ALONG WITH CLEAR SKIES AS HIGH
PRESSURE SETTLED SOUTHWARD INTO TEXAS...LOW TEMPERATURES ON THE
11TH WERE IN THE 45 TO 50 DEGREE RANGE ACROSS MUCH OF WEST
CENTRAL TEXAS. MUCH WARMER TEMPERATURES AND MOISTURE RETURNED
TO THE REGION ON THE 12TH AND 13TH.

A RECORD HIGH OF 102 DEGREES WAS SET IN SAN ANGELO ON THE 13TH.
ACROSS THE BIG COUNTRY...CONCHO VALLEY AND HEARTLAND...A FEW
THUNDERSTORMS OCCURRED IN AN UNSTABLE AIRMASS...ON THE AFTERNOON
AND EVENING HOURS OF THE 13TH. UNSTABLE AIR LINGERED ACROSS THE
AREA FOLLOWING A COLD FRONTAL PASSAGE ON THE 14TH. A FEW STRONG
TO SEVERE STORMS OCCURRED DURING THE AFTERNOON ACROSS THE
HEARTLAND AND NORTHWEST HILL COUNTRY. LARGE HAIL FROM NICKEL TO
GOLFBALL SIZE WAS REPORTED IN MCCULLOCH COUNTY...5 TO 10 MILES
FROM BRADY AND 3 MILES WEST OF VOCA. LOCALIZED HEAVY RAIN FELL
WITH THE STORMS ON THE 14TH...AND A FEW LOCATIONS RECEIVED 0.75
TO 1.50 INCHES.

DURING MUCH OF THE SECOND HALF OF THE MONTH...TEMPERATURES WERE
WELL ABOVE NORMAL WITH LITTLE PRECIPITATION. THIS OCCURRED AS A
HIGH PRESSURE SYSTEM ALOFT REMAINED IN CLOSE PROXIMITY TO THE
REGION. A RECORD HIGH TEMPERATURE OF 102 DEGREES WAS TIED IN
SAN ANGELO ON THE 20TH.

SCATTERED THUNDERSTORMS AFFECTED PARTS OF WEST CENTRAL TEXAS
DURING THE LAST WEEK OF THE MONTH. A STORM IN THE SAN ANGELO
AREA ON THE EVENING OF THE 29TH PRODUCED NICKEL TO QUARTER SIZE
HAIL AND CAUSED LOCALIZED STREET FLOODING. ON THIS SAME
EVENING...LIGHTNING FROM A COUPLE OF STORMS STARTED GRASSFIRES
IN SOUTHERN TOM GREEN COUNTY AND IN CONCHO COUNTY NEAR PAINT
ROCK.

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