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 >
PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 838 PM CDT FRI SEP 8 2006 ...TEMPERATURES AVERAGED ABOVE NORMAL IN AUGUST... PRECIPITATION FOR THE MONTH VARIED CONSIDERABLY ACROSS THE REGION...FROM WELL BELOW TO WELL ABOVE NORMAL. MUCH OF THE NORTHWEST HILL COUNTRY...SOUTHERN HEARTLAND AND BIG COUNTRY RECEIVED LESS THAN ONE INCH OF RAINFALL DURING AUGUST (WITH A FEW LOCATIONS LESS THAN ONE HALF INCH). THE GREATEST MONTHLY RAINFALL OF 3 TO 5 INCHES OCCURRED AT SCATTERED LOCATIONS ACROSS THE HEARTLAND...NORTHERN EDWARDS PLATEAU...CONCHO VALLEY AND INTO NOLAN COUNTY. A FEW LOCATIONS RECEIVED OVER 5 INCHES. MOST OF THE RAIN OCCURRED DURING THE LAST WEEK OF AUGUST. AT ABILENE REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR AUGUST WAS 85.5 DEGREES. THIS WAS 2.9 DEGREES ABOVE THE NORMAL AVERAGE TEMPERATURE OF 82.6 DEGREES. TOTAL PRECIPITATION FOR AUGUST WAS 1.44 INCHES. THIS WAS 1.19 INCHES BELOW THE NORMAL OF 2.63 INCHES. ABILENE RECORDED 12 DAYS WHERE THE HIGH TEMPERATURE REACHED 100 DEGREES OR MORE. AT SAN ANGELO REGIONAL AIRPORT...THE AVERAGE TEMPERATURE FOR AUGUST WAS 85.1 DEGREES. THIS WAS 3.8 DEGREES ABOVE THE NORMAL AVERAGE TEMPERATURE OF 81.3 DEGREES. TOTAL PRECIPITATION FOR AUGUST WAS 4.87 INCHES. THIS WAS 2.82 INCHES ABOVE THE MONTHLY NORMAL OF 2.05 INCHES. SAN ANGELO RECORDED 12 DAYS WHERE THE HIGH TEMPERATURE REACHED 100 DEGREES OR MORE. JUNCTION RECORDED ONLY 0.27 INCHES OF PRECIPITATION FOR AUGUST. THE HIGH TEMPERATURE REACHED 100 DEGREES OR MORE ON 9 DAYS AT JUNCTION. AUGUST 2006 WEATHER HIGHLIGHTS... THE DOMINANT WEATHER FEATURE FOR MOST OF AUGUST (UNTIL THE LAST WEEK) WAS A HIGH PRESSURE SYSTEM ALOFT...WHICH REMAINED SITUATED OVER THE SOUTHERN PLAINS AND TEXAS. THIS RESULTED IN PERSISTENT HOT AND DRY CONDITIONS ACROSS THE REGION. THE RAINFALL COVERAGE FROM ANY SHOWERS AND STORMS WAS SPOTTY. A THUNDERSTORM WIND GUST OF 46 MPH WAS RECORDED AT THE SAN ANGELO REGIONAL AIRPORT ON THE EVENING OF THE 2ND. A SIGNIFICANT AND MUCH NEEDED RAIN EVENT OCCURRED LATE IN THE MONTH. THE HIGH PRESSURE SYSTEM ALOFT WEAKENED AND MOVED TO THE EAST...ALLOWING FOR A MOISTURE INCREASE ACROSS THE REGION. THIS COMBINED WITH THE PRESENCE OF WEAK SURFACE BOUNDARIES SET THE STAGE FOR NUMEROUS SHOWERS AND THUNDERSTORMS. THESE OCCURRED FROM THE 26TH TO 28TH. DURING THAT TIME...RAINFALL TOTALS OF 1 TO 3 INCHES OCCURRED ACROSS MOST OF WEST CENTRAL TEXAS. POCKETS OF 3 TO 5 INCH RAINFALL TOTALS OCCURRED ACROSS THE BIG COUNTRY...CONCHO VALLEY AND INTO SCHLEICHER COUNTY... AND ALSO ALONG A 30-MILE WIDE BAND FROM CHRISTOVAL TO BROWNWOOD. THIS HEAVY RAINFALL CAUSED SOME MINOR FLOODING AT SCATTERED LOCATIONS...MAINLY IN THE AREAS MORE PRONE TO FLOODING. THIS WAS THE MOST SIGNIFICANT RAIN EVENT TO AFFECT THE AREA SINCE OCTOBER OF LAST YEAR. $$