A strong, long-duration atmospheric river will bring excessive rainfall, flash flooding, and very strong winds to southwest Oregon and northwest California through Thursday. A High Risk (level 4 of 4) of Excessive Rainfall has been issued. A storm system over the northern Plains will produce locally heavy snow in North Dakota and northwestern Minnesota. Read More >
NOUS44 KSJT 040755 PNSSJT PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 255 AM CDT FRI JUN 4 2004 ...PRECIPITATION WAS BELOW NORMAL WHILE TEMPERATURES AVERAGED SLIGHTLY BELOW TO SLIGHTLY ABOVE NORMAL FOR WEST CENTRAL TEXAS IN MAY... MAY IS TYPICALLY A VERY ACTIVE SEVERE WEATHER MONTH IN WEST CENTRAL TEXAS. ALTHOUGH SEVERAL SEVERE WEATHER EVENTS OCCURRED THIS MAY... MOST OF THE SEVERE WEATHER WAS CONCENTRATED IN THE THE BIG COUNTRY. PRECIPITATION WAS CONSIDERABLY BELOW NORMAL FOR THE MONTH IN CENTRAL AND SOUTHWESTERN SECTIONS OF WEST CENTRAL TEXAS. AT ABILENE REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR MAY WAS 72.1 DEGREES. THIS WAS 0.7 DEGREES BELOW THE NORMAL AVERAGE TEMPERATURE OF 72.8 DEGREES. TOTAL PRECIPITATION FOR MAY WAS 1.73 INCHES. THIS WAS 1.10 INCHES BELOW THE MONTHLY NORMAL OF 2.83 INCHES. AT SAN ANGELO REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR MAY WAS 74.5 DEGREES. THIS WAS 1.4 DEGREES ABOVE THE NORMAL AVERAGE TEMPERATURE OF 73.1 DEGREES. TOTAL PRECIPITATION FOR MAY WAS 0.86 INCHES. THIS WAS 2.23 INCHES BELOW THE MONTHLY NORMAL OF 3.09 INCHES. MAY 2004 WEATHER HIGHLIGHTS... SHOWERS AND THUNDERSTORMS OCCURRED OVER MUCH OF WEST CENTRAL TEXAS DURING THE POST-MIDNIGHT HOURS OF THE 1ST. ALTHOUGH A FEW LOCATIONS RECEIVED OVER AN INCH...THE RAINFALL AMOUNTS GENERALLY VARIED UNDER ONE INCH. A COOL AIRMASS INVADED WEST CENTRAL TEXAS AT THE BEGINNING OF MAY. WITH CONSIDERABLE CLOUDCOVER AND GUSTY NORTH WINDS...TEMPERATURES REACHED THE 60S FOR HIGHS ON THE 1ST. AS THE CLOUDS CLEARED AND WINDS SUBSIDED... TEMPERATURES DROPPED INTO THE UPPER 30S TO LOWER 40S BY THE EARLY MORNING OF THE 2ND. AN UPPER LEVEL DISTURBANCE BROUGHT SHOWERS AND THUNDERSTORMS TO MUCH OF WEST CENTRAL TEXAS ON THE 11TH. MOST OF THE SHOWERS AND STORMS OCCURRED SOUTH OF INTERSTATE 20 DURING THE PREDAWN HOURS. THE HEAVIEST RAINFALL OF 2 TO 4 INCHES OCCURRED IN SOUTHERN CROCKETT AND SOUTHERN SUTTON COUNTIES...WITH ISOLATED AMOUNTS OVER 5 INCHES IN EXTREME SOUTHERN CROCKETT COUNTY. A FEW THUNDERSTORMS DEVELOPED NEAR A DRYLINE IN THE WESTERN BIG COUNTRY ON THE LATE AFTERNOON OF THE 12TH. PENNY SIZE HAIL WAS REPORTED IN RULE (HASKELL COUNTY). A MORE SIGNIFICANT SEVERE WEATHER EVENT OCCURRED ON THE AFTERNOON AND EVENING OF THE 13TH. WITH VERY UNSTABLE AIR OVER THE REGION... NUMEROUS SEVERE THUNDERSTORMS OCCURRED. THE STORMS WERE CONCENTRATED ALONG A SOUTHWARD MOVING COLD FRONT IN THE BIG COUNTRY...AND NEAR A WESTWARD MOVING WEAK WEATHER BOUNDARY ACROSS THE HEARTLAND...NORTHWEST HILL COUNTRY AND EASTERN CONCHO VALLEY. OTHER STORMS DEVELOPED ALONG THE COLD FRONT LATER IN THE EVENING IN SOUTHERN SECTIONS OF WEST CENTRAL TEXAS. BRIEF TORNADOS OCCURRED NEAR NEINDA (JONES COUNTY)...SEVEN MILES SOUTHWEST OF THROCKMORTON... TWO MILES EAST OF HAWLEY (JONES COUNTY)...AND FOUR MILES SOUTH OF MASON. MOST OF THE SEVERE WEATHER REPORTS WERE LARGE HAIL...RANGING FROM NICKEL TO GOLFBALL SIZE. GOLFBALL SIZE HAIL FELL FOR OVER 30 MINUTES IN MASON COUNTY...8 MILES WEST OF MASON. THE LARGEST HAIL OF BASEBALL SIZE OCCURRED IN LOYAL VALLEY (MASON COUNTY). IN ADDITION TO THE SEVERE WEATHER...VERY HEAVY RAIN ACCOMPANIED THE STORMS. RAINFALL AMOUNTS OF ONE TO THREE INCHES OCCURRED AT SCATTERED LOCATIONS EAST OF A LINE FROM HASKELL TO NOLAN TO EDEN...AND SOUTHEAST OF A LINE FROM EDEN TO OZONA. A FEW LOCATIONS RECEIVED OVER THREE INCHES...INCLUDING HEXT (4.15 INCHES) AND EIGHT MILES NORTHWEST OF MASON (3.60 INCHES). FLASH FLOODING OF ROADS WAS REPORTED IN HASKELL AND MASON COUNTIES...AND STREET FLOODING OCCURRED IN ABILENE. A FEW SEVERE WEATHER EVENTS OCCURRED LATE IN THE MONTH. STRONG TO SEVERE THUNDERSTORMS OCCURRED ACROSS THE BIG COUNTRY ON THE LATE AFTERNOON AND EVENING OF THE 25TH. WITH UNSTABLE AIR OVER THE REGION...A COLD FRONT APPROACHING FROM THE NORTH...AND A DRYLINE APPROACHING FROM THE WEST...NUMEROUS THUNDERSTORMS DEVELOPED AND MOVED EAST ACROSS THE BIG COUNTRY...AND SEVERAL STORMS BECAME SEVERE. THE LARGEST HAIL OF GOLFBALL SIZE OCCURRED SIX MILES SOUTHEAST OF SWEETWATER. PENNY TO NICKEL SIZE HAIL WAS REPORTED FROM THE REST OF THE SEVERE STORMS. HEAVY RAIN ALSO ACCOMPANIED THE STORMS. SCATTERED ONE TO TWO INCH AMOUNTS OCCURRED MAINLY IN THE WESTERN BIG COUNTRY...WITH LOCALLY HIGHER AMOUNTS. AN AMOUNT OF 3.19 INCHES WAS REPORTED IN HAMLIN. LOCALIZED FLOODING OCCURRED ON INTERSTATE 20...SIX MILES WEST OF ABILENE. A FEW SEVERE STORMS AFFECTED THE WESTERN BIG COUNTRY ON THE EVENING OF THE 26TH. A COUPLE OF BRIEF TORNADO TOUCHDOWNS WERE REPORTED 4 MILES WEST OF ROBY IN FISHER COUNTY. TENNIS BALL SIZE HAIL OCCURRED IN FISHER COUNTY WHILE GOLFBALL SIZE HAIL WAS REPORTED IN JONES COUNTY. AN UPPER LEVEL DISTURBANCE AND DRYLINE BROUGHT SEVERE STORMS...INCLUDING A FEW TORNADOES...ON THE AFTERNOON AND EVENING OF THE 27TH. MOST OF THE SEVERE WEATHER OCCURRED IN THE BIG COUNTRY. A TORNADO NEAR CHAMPION (NOLAN COUNTY) SNAPPED POWER POLES...DESTROYED A BARN...AND DAMAGED IRRIGATION EQUIPMENT. BRIEF TORNADO TOUCHDOWNS OCCURRED 5 MILES SOUTH OF ROSCOE (NOLAN COUNTY)...AND ON THE EAST SIDE OF MERKEL (TAYLOR COUNTY). A COMBINATION OF 80 MPH WINDS AND GOLFBALL SIZE HAIL CAUSED CONSIDERABLE DAMAGE TO SEVERAL HOMES AND BUSINESSES ON THE SOUTH SIDE OF SWEETWATER. WINDS OF 60 TO 70 MPH WERE REPORTED IN BARNHART AND MAY...AND QUARTER SIZE HAIL WAS REPORTED 30 MILES NORTHWEST OF OZONA. ON THE 31ST...THE DRYLINE HAD ADVANCED INTO FAR EASTERN SECTIONS OF WEST CENTRAL TEXAS. THIS IS WELL EAST OF ITS TYPICAL POSITION FOR THE END OF MAY. THIS ALLOWED VERY DRY AIR TO MOVE INTO THE REGION. RELATIVE HUMIDITIES DROPPED INTO THE 5 TO 10 PERCENT RANGE ACROSS THE CONCHO VALLEY...NORTHERN EDWARDS PLATEAU...AND PARTS OF THE NORTHWEST HILL COUNTRY. THE HIGH TEMPERATURE REACHED 100 DEGREES AT SAN ANGELO FOR THE FIRST TIME THIS YEAR. JUNCTION RECORDED TWO DAYS AT THE END OF MAY WITH HIGH TEMPERATURES OF 100 DEGREES OR GREATER. $$