WFO San Angelo Climatology

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
423 AM CDT TUE JUN 7 2005

...PRECIPITATION WAS ABOVE NORMAL AND TEMPERATURES AVERAGED SLIGHTLY 
BELOW NORMAL IN MAY...

TOTAL RAINFALL FOR THE MONTH WAS ABOVE NORMAL ACROSS MOST OF WEST
CENTRAL TEXAS. THE LEAST AMOUNT OF RAIN (1.5 TO 3 INCHES) OCCURRED 
AT SCATTERED LOCATIONS ACROSS THE BIG COUNTRY...STERLING AND 
CROCKETT COUNTIES. MAY RAINFALL GENERALLY RANGED FROM 3 TO 5
INCHES ACROSS THE CONCHO VALLEY...HEARTLAND...NORTHERN EDWARDS
PLATEAU AND NORTHWEST HILL COUNTRY. 

AT ABILENE REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR MAY WAS 
71.1 DEGREES. THIS WAS 1.7 DEGREES BELOW THE NORMAL AVERAGE 
TEMPERATURE OF 72.8 DEGREES. TOTAL PRECIPITATION FOR MAY WAS 2.95 
INCHES. THIS WAS 0.12 INCHES BELOW THE MONTHLY NORMAL OF 2.83 
INCHES. 

AT SAN ANGELO REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR MAY WAS 
72.2 DEGREES. THIS WAS 0.9 DEGREES BELOW THE NORMAL AVERAGE 
TEMPERATURE OF 73.1 DEGREES. TOTAL PRECIPITATION FOR MAY WAS 4.43 
INCHES. THIS WAS 1.34 INCHES ABOVE THE MONTHLY NORMAL OF 3.09 
INCHES. 


...MAY 2005 WEATHER HIGHLIGHTS...

THE MONTH OF MAY WAS MARKED BY SEVERAL SEVERE WEATHER EVENTS.
THE MOST NOTABLE EPISODES OCCURRED ON THE 7TH AND 8TH...AND
ON THE 31ST. 

AN UNSEASONABLY COOL AIRMASS RESIDED OVER WEST CENTRAL TEXAS 
FOLLOWING A COLD FRONTAL PASSAGE IN THE FIRST PART OF THE MONTH. 
HIGH TEMPERATURES WERE ONLY IN THE 60S ACROSS NORTHERN AND 
CENTRAL SECTIONS OF WEST CENTRAL TEXAS ON THE 2ND AND 3RD...
AND THE COOL AIR LINGERED ACROSS THE BIG COUNTRY ON THE 4TH. 
SAN ANGELO TIED A RECORD LOW MAXIMUM TEMPERATURE OF 60 DEGREES
ON THE 3RD. 

WARMER AND MORE UNSTABLE CONDITIONS DEVELOPED IN THE FOLLOWING 
DAYS. A SERIES OF UPPER LEVEL DISTURBANCES MOVING INTO TEXAS
AND THE SOUTHERN PLAINS BROUGHT A FEW ROUNDS OF STRONG TO 
SEVERE STORMS ON THE 7TH AND 8TH. A SQUALL LINE OF STORMS 
MOVED QUICKLY EASTWARD ACROSS THE CONCHO VALLEY...NORTHERN
HEARTLAND AND SOUTHERN BIG COUNTRY LATE ON THE 7TH...WHILE
AN AREA OF STORMS TRACKED ACROSS THE NORTHERN EDWARDS PLATEAU
AND NORTHWEST HILL COUNTRY DURING THE POST-MIDNIGHT HOURS OF
THE 8TH. WITH VERY UNSTABLE AIR OVER THE REGION AND AN 
APPROACHING DRYLINE...SEVERAL CLUSTERS OF STORMS AFFECTED MUCH 
OF THE BIG COUNTRY...EASTERN CONCHO VALLEY...HEARTLAND...AND 
NORTHWEST HILL COUNTRY ON THE AFTERNOON AND EARLY EVENING OF
THE 8TH. ISOLATED STORMS OCCURRED IN THE NORTHERN EDWARDS
PLATEAU. 

A TOTAL OF 46 LARGE HAIL REPORTS WERE RECEIVED FROM THE 7TH
AND 8TH (18 OF WHICH WERE GOLFBALL OR LARGER).  THE LARGEST
HAIL SIZES INCLUDED TENNIS BALL TO BASEBALL IN TAYLOR COUNTY...
TENNIS BALL IN CONCHO COUNTY...AND SOFTBALL SIZE IN MASON COUNTY 
(NEAR MASON). STRONG THUNDERSTORM WINDS OVERTURNED A SMALL 
TRAVEL TRAILER IN EASTERN KIMBLE COUNTY. 

IN ADDITION TO THE SEVERE WEATHER...THE STORMS ALSO PRODUCED
VERY HEAVY RAINFALL. RAINFALL AMOUNTS OF 2 TO 3.5 INCHES
OCCURRED AT A FEW LOCATIONS SOUTHEAST OF A BALLINGER TO 
ELDORADO TO OZONA LINE. SCATTERED LOCATIONS THROUGHOUT WEST
CENTRAL TEXAS...ESPECIALLY EAST OF A BALLINGER TO OZONA LINE...
RECEIVED AMOUNTS RANGING FROM 1 TO 2 INCHES. 

AN ISOLATED SEVERE STORM PRODUCED GOLFBALL SIZE HAIL AND 
LOCALLY HEAVY RAINFALL IN SOUTHEASTERN MASON COUNTY (AROUND
LOYAL VALLEY) ON THE EVENING OF THE 9TH. 

NUMEROUS SEVERE STORMS OCCURRED ACROSS THE BIG COUNTRY ON 
THE EVENING AND NIGHTTIME HOURS OF THE 13TH AND 14TH...
IN AN UNSTABLE AIRMASS AHEAD OF AN APPROACHING COLD FRONT.
A BRIEF TORNADO TOUCHDOWN WAS REPORTED 4 MILES WEST OF WEINERT
(THROCKMORTON COUNTY)...BUT WITH NO DAMAGE. NUMEROUS STORMS 
PRODUCED HAIL UP TO QUARTER SIZE. THE LARGEST HAIL REPORTED
WAS PING PONG SIZE IN HASKELL COUNTY. LOCALLY HEAVY RAIN ALSO
ACCOMPANIED THE STORMS. ONE TO TWO INCHES OF RAIN FELL AT 
NUMEROUS LOCATIONS NORTHEAST OF A LINE FROM COLORADO CITY
TO WINTERS TO BROWNWOOD. A FEW LOCATIONS RECEIVED AMOUNTS 
RANGING FROM 2 TO 3.5 INCHES. THE HEAVY HEAVY RAIN CAUSED 
FLOODING ON HIGHWAY 6 IN STAMFORD. WATER WAS ALSO REPORTED 
OVER A ROADWAY IN ANSON. 

THE HOTTEST TEMPERATURES FOR THE MONTH OCCURRED FROM THE 
20TH TO 25TH...WHEN AN UPPER LEVEL HIGH PRESSURE SYSTEM
OVER NEW MEXICO DOMINATED THE WEATHER IN THE REGION. HIGH
TEMPERATURES WERE GENERALLY IN THE 90S DURING THAT TIME.
AT SAN ANGELO THE TEMPERATURE REACHED 100 DEGREES FOR THE
FIRST TIME THIS YEAR ON MAY 24TH. 

THE UPPER LEVEL HIGH PRESSURE SYSTEM WEAKENED AND ALLOWED
A WEAK COLD FRONT TO MOVE SOUTHWARD INTO WEST CENTRAL TEXAS
LATE ON THE 25TH. WITH VERY UNSTABLE AIR OVER THE AREA...
THE APPROACH OF THE FRONT TRIGGERED NUMEROUS STRONG TO 
SEVERE THUNDERSTORMS. MOST OF THE STORMS PRODUCED LARGE 
HAIL...RANGING FROM FROM PENNY TO QUARTER SIZE. THE LARGEST
HAIL REPORTS INCLUDED TENNIS BALL SIZE 3 MILES SOUTHEAST OF
POTOSI (TAYLOR COUNTY) AND GOLF BALL SIZE 4 MILES NORTH OF
BRONTE (COKE COUNTY). SOME WIND DAMAGE WAS REPORTED IN 
PARTS OF RUNNELS AND COKE COUNTIES. LOCALLY HEAVY RAINFALL
ALSO ACCOMPANIED THE STORMS.

ADDITIONAL EPISODES OF SHOWERS AND THUNDERSTORMS WITH HEAVY 
OCCURRED IN AREAS OF WEST CENTRAL TEXAS INTO THE MEMORIAL DAY 
WEEKEND...ESPECIALLY ON THE 28TH. MOST OF THE SHOWERS AND 
STORMS OCCURRED OVER CENTRAL AND SOUTHERN SECTIONS OF WEST 
CENTRAL TEXAS (SOUTH OF A STERLING CITY TO BROWNWOOD LINE). 
RAINFALL TOTALS FROM THE 27TH TO 30TH OF ONE TO THREE INCHES 
WERE COMMON IN THIS AREA. THE HEAVIEST RAINFALL (3 TO 5 
INCHES) FELL IN A 30 MILE WIDE BAND...EXTENDING ROUGHLY FROM 
MERTZON TO MENARD TO SAN SABA. A SEVERE THUNDERSTORM PRODUCED 
A WIND GUST TO 60 MPH IN CHEROKEE (SAN SABA COUNTY) ON THE 
EVENING OF THE 28TH. 
 
A SIGNIFICANT SEVERE WEATHER EPISODE OCCURRED ON THE LATE
EVENING OF THE 31ST...WITH THE APPROACH OF A WEAK COLD FRONT
INTO AN UNSTABLE AIRMASS. NUMEROUS SEVERE THUNDERSTORMS 
AFFECTED A LARGE PART OF WEST CENTRAL TEXAS. IN ALL...A TOTAL
OF 65 SEVERE WEATHER REPORTS WERE RECEIVED FROM THIS EVENT 
(INCLUDES 3 TORNADOES...1 FLASH FLOOD...12 WIND DAMAGE...
AND 49 LARGE HAIL REPORTS). SEVERE STORMS AFFECTED THE CITIES
OF ABILENE AND SAN ANGELO AT NEARLY THE SAME TIME. 

ONE TORNADO WAS REPORTED IN EASTERN STERLING COUNTY. A 
SECOND TORNADO OCCURRED ABOUT 6 MILES SOUTHEAST OF SAN ANGELO.
THIS TORNADO DAMAGED A HOUSE AND GRAIN BINS. THE REAR FLANK
DOWNDRAFT WITH THIS TORNADIC STORM CAUSED CONSIDERABLE WIND
DAMAGE JUST TO THE WEST AND SOUTH OF THE ACTUAL TORNADO. THE
THIRD TORNADO NEAR FORT MCKAVETT DAMAGED ROOFS AND STRUCTURES
AT A BOY SCOUT CAMP. THIS WAS THE FIRST RECORDED TORNADO IN
MENARD COUNTY IN THE PAST 55 YEARS. 

SEVERAL STORMS PRODUCE VERY LARGE HAIL...RANGING FROM TENNIS
BALL TO SOFTBALL SIZE. BASEBALL SIZE HAIL FELL 4 MILES EAST OF 
NOODLE (JONES COUNTY)...ON THE EAST AND SOUTHEAST EDGE OF SAN
ANGELO...AND 3 MILES WEST OF WALL (TOM GREEN COUNTY). NEAR 
SOFTBALL SIZE HAIL EXTENSIVELY DAMAGED A LAW ENFORCEMENT
PATROL CAR IN ROBERT LEE (COKE COUNTY).  

WINDS GUSTED TO 70 MPH ACROSS HASKELL AND THROCKMORTON 
COUNTIES. WINDS OF 60 TO 80 MPH WERE REPORTED IN MCCULLOCH
COUNTY. A WIND GUST OF 87 MPH WAS REPORTED IN ROBERT LEE 
(COKE COUNTY). A 51 MPH GUST WAS RECORDED AT THE ABILENE
REGIONAL AIRPORT. 

IN ADDITION TO THE SEVERE WEATHER...LOCALLY HEAVY RAIN ALSO
ACCOMPANIED THE STORMS. STREET FLOODING WAS REPORTED IN 
ABILENE.  

$$