000 NOUS44 KEWX 031854 PNSEWX TXZ171>173-183>194-202>209-217>225-228-041200- PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 153 PM CDT TUE MAY 3 2011 ...DRIEST AND WARMEST APRILS AT AUSTIN...DEL RIO AND SAN ANTONIO... ...DRIEST OCTOBER TO APRIL AND MARCH TO APRIL PERIODS AT AUSTIN...DEL RIO...AND SAN ANTONIO... THE VERY DRY PERIOD FROM OCTOBER 2010 TO MID DECEMBER 2010 WAS BRIEFLY INTERRUPTED BY MORE PRECIPITATION FROM LATE DECEMBER 2010 THROUGH EARLY FEBRUARY 2011. FROM FEBRUARY 10TH THROUGH APRIL...VERY DRY CONDITIONS HAVE PERSISTED. WARMER THAN USUAL TEMPERATURES AND PERIODS OF MODERATE TO STRONG WINDS HAVE ADDED TO THE DRYNESS ACROSS SOUTH CENTRAL TEXAS. SOUTH CENTRAL TEXAS IS IN EXTREME TO EXCEPTIONAL DROUGHT. THE DRY CONDITIONS HAVE CONTRIBUTED TO WARMER THAN USUAL TEMPERATURES...AND CAN AT TIMES CONTRIBUTE TO MORE EXTREMES FROM WARM TO COOLER CONDITIONS OR THE REVERSE FROM COOL TO WARMER WEATHER CONDITIONS. APRIL 2011 TIED WITH APRIL OF 1955 AND 1998 FOR THE 2ND DRIEST APRIL AT DEL RIO IN 105 YEARS SINCE 1906...THE 2ND DRIEST AT SAN ANTONIO IN 140 YEARS SINCE 1871...THE 3RD DRIEST AT AUSTIN BERGSTROM IN 68 YEARS SINCE OCTOBER 1942...AND THE 6TH DRIEST APRIL AT AUSTIN MABRY IN 155 YEARS SINCE 1856. OCTOBER 2010 TO APRIL 2011 AND MARCH TO APRIL 2011 WAS ONE OF THE DRIER OCTOBER TO APRIL AND MARCH TO APRIL PERIODS. OCTOBER 2010 TO APRIL 2011 WAS THE 3RD DRIEST AT AUSTIN MABRY SINCE 1856...THE 3RD DRIEST AT AUSTIN BERGSTROM SINCE OCTOBER 1942...THE DRIEST AT DEL RIO SINCE 1906...AND THE 5TH DRIEST OCTOBER TO APRIL AT SAN ANTONIO SINCE 1871. MARCH TO APRIL 2011 WAS THE DRIEST AT AUSTIN MABRY SINCE 1856... THE DRIEST AT AUSTIN BERGSTROM SINCE OCTOBER 1942...THE DRIEST AT SAN ANTONIO SINCE 1871...AND A TIE WITH MARCH TO APRIL OF 1956 FOR THE DRIEST MARCH TO APRIL AT DEL RIO SINCE 1906. THE TABLE BELOW SUMMARIZES APRIL...MARCH TO APRIL...AND OCTOBER TO APRIL RAINFALL AT AUSTIN...DEL RIO AND SAN ANTONIO. THESE PERIODS REPRESENT EARLY SPRING...AND THE DRY FALL THROUGH WINTER AND EARLY SPRING PERIODS. ON THE LIST BELOW...THE DEPARTURE FROM NORMAL IS SHOWN FOR EACH PERIOD. DEPARTURE FROM NORMAL IS ABBREVIATED AS...DEP FM NORMAL. IN ADDITION THE PERCENT OF NORMAL FOR EACH PERIOD IS SHOWN. APRIL RAINFALL STATISTICS... LOCATION APRIL APRIL APRIL RAIN DEP FM PERCENT NORMAL OF NORMAL AUSTIN MABRY 0.27 -2.24 11 AUSTIN BERGSTROM 0.19 -2.44 7 DEL RIO 0.01 -1.70 1 SAN ANTONIO 0.03 -2.57 1 MARCH TO APRIL AND APRIL TO OCTOBER STATISTICS LOCATION MAR-APR MAR-APR MAR-APR OCT-APR OCT-APR OCT-APR RAIN DEP FM PERCENT RAIN DEP FM PERCENT NORMAL OF NORMAL NORMAL OF NORMAL AUSTIN MABRY 0.36 -4.29 8 5.31 -12.32 30 AUSTIN BERGSTROM 0.34 -4.65 7 6.43 -12.33 34 DEL RIO 0.05 -2.62 2 0.32 -7.59 4 SAN ANTONIO 0.04 -4.45 1 4.25 -12.05 26 THE LIST BELOW RANKS THE DRIEST APRILS...OCTOBER TO APRIL PERIODS...AND DRIEST MARCH TO APRIL PERIODS AT AUSTIN...DEL RIO...AND SAN ANTONIO. THE RANKING IS LISTED BY THE AMOUNT OF RAIN IN EACH PERIOD. AUSTIN MABRY... DRIEST APRILS AT AUSTIN MABRY 1854 TO 2011. APRIL 2011 WAS THE 6TH DRIEST APRIL AT AUSTIN MABRY. 1. APRIL OF 1887....TRACE 2. APRIL OF 1984....0.06 3. APRIL OF 1892...1961 AND 2003....0.10 4. APRIL OF 1983....0.16 5. APRIL OF 1893....0.20 6. APRIL OF 2011....0.27 DRIEST OCTOBER TO APRIL AT AUSTIN MABRY FROM 1856 TO 2011. OCTOBER 2010 TO APRIL 2011 WAS THE 3RD DRIEST OCTOBER TO APRIL AT AUSTIN MABRY. 1. OCTOBER 1924 TO APRIL 1925....4.05 2. OCTOBER 1886 TO APRIL 1887....4.83 3. OCTOBER 2010 TO APRIL 2011....5.31 4. OCTOBER 1955 TO APRIL 1956....6.71 5. OCTOBER 1898 TO APRIL 1899....7.47 OCTOBER 1916 TO APRIL 1917....7.47 DRIEST MARCH TO APRIL AT AUSTIN MABRY FROM 1856 TO 2011. MARCH TO APRIL 2011 WAS THE DRIEST AT AUSTIN MABRY. 1. MARCH TO APRIL 2011....0.36 2. MARCH TO APRIL 2003....0.64 3. MARCH TO APRIL 1961....0.77 4. MARCH TO APRIL 1956....0.82 AUSTIN BERGSTROM... DRIEST APRILS AT AUSTIN BERGSTROM OCTOBER 1942 TO 2011. APRIL 2011 WAS THE 3RD DRIEST APRIL AT AUSTIN BERGSTROM. 1. APRIL OF 1984....0.03 2. APRIL OF 2003....0.06 3. APRIL OF 2011....0.19 4. APRIL OF 1944....0.21 DRIEST OCTOBER TO APRIL AT AUSTIN BERGSTROM FROM OCTOBER 1942 TO 2011. OCTOBER 2010 TO APRIL 2011 WAS THE 3RD DRIEST OCTOBER TO APRIL AT AUSTIN BERGSTROM. 1. OCTOBER 1947 TO APRIL 1948....4.87 2. OCTOBER 1942 TO APRIL 1943....5.20 3. OCTOBER 2010 TO APRIL 2011....6.43 4. OCTOBER 1970 TO APRIL 1971....6.81 5. OCTOBER 1966 TO APRIL 1967....7.31 DRIEST MARCH TO APRIL AT AUSTIN BERGSTROM FROM OCTOBER 1942 TO 2011. MARCH TO APRIL 2011 WAS THE DRIEST MARCH TO APRIL AT AUSTIN BERGSTROM. 1. MARCH TO APRIL 2011....0.34 2. MARCH TO APRIL 1961....0.89 3. MARCH TO APRIL 2003....1.00 4. MARCH TO APRIL 1955....1.05 DEL RIO... DRIEST APRILS AT DEL RIO 1906 TO 2011. APRIL 2011 TIED WITH APRIL 1955 AND 1998 FOR THE 2ND DRIEST APRIL AT DEL RIO. 1. APRIL OF 1953....TRACE 2. APRIL OF 1955...1998 AND 2011....0.01 3. APRIL OF 1920....0.02 4. APRIL OF 1956....0.05 DRIEST OCTOBER TO APRIL AT DEL RIO FROM 1906 TO 2011. OCTOBER 2010 TO APRIL 2011 WAS THE DRIEST OCTOBER TO APRIL AT DEL RIO. 1. OCTOBER 2010 TO APRIL 2011....0.32 2. OCTOBER 1917 TO APRIL 1918....0.77 3. OCTOBER 1987 TO APRIL 1988....1.78 4. OCTOBER 1950 TO APRIL 1951....1.82 5. OCTOBER 1915 TO APRIL 1916....1.84 DRIEST MARCH TO APRIL AT DEL RIO FROM 1906 TO 2011. MARCH TO APRIL OF 2011 TIED WITH MARCH TO APRIL OF 1956 FOR THE DRIEST MARCH TO APRIL AT DEL RIO. 1. MARCH TO APRIL 1956 AND 2011....0.05 2. MARCH TO APRIL 1920.............0.17 3. MARCH TO APRIL 1907.............0.19 4. MARCH TO APRIL 1988.............0.27 SAN ANTONIO... DRIEST APRILS AT SAN ANTONIO 1885 TO 2011. APRIL 2011 WAS THE 2ND DRIEST APRIL AT SAN ANTONIO. 1. APRIL OF 2005....0.01 2. APRIL OF 2011....0.03 3. APRIL OF 1998....0.05 DRIEST OCTOBER TO APRIL AT SAN ANTONIO FROM 1871 TO 2011. OCTOBER 2010 TO APRIL 2011 WAS THE 5TH DRIEST OCTOBER TO APRIL AT SAN ANTONIO. 1. OCTOBER 1886 TO APRIL 1887....3.27 2. OCTOBER 1995 TO APRIL 1996....3.57 3. OCTOBER 1970 TO APRIL 1971....3.75 4. OCTOBER 1924 TO APRIL 1925....3.94 5. OCTOBER 2010 TO APRIL 2011....4.25 DRIEST MARCH TO APRIL AT SAN ANTONIO FROM 1871 TO 2011. MARCH TO APRIL 2011 WAS THE DRIEST MARCH TO APRIL AT SAN ANTONIO. 1. MARCH TO APRIL 2011....0.04 2. MARCH TO APRIL 1961....0.35 3. MARCH TO APRIL 1925....0.42 4. MARCH TO APRIL 1917....0.44 5. MARCH TO APRIL 1956....0.76 IN ADDITION...APRIL 2011 WAS ONE OF THE WARMER APRILS OF RECORD. APRIL 2011 WAS THE WARMEST APRIL AT AUSTIN MABRY SINCE 1854... THE WARMEST AT DEL RIO SINCE 1906...THE 3RD WARMEST APRIL AT SAN ANTONIO SINCE 1885...AND THE 6TH WARMEST AT AUSTIN BERGSTROM SINCE OCTOBER 1942. IN APRIL OF 2011...DEL RIO HAD 6 100 DEGREE DAYS... BREAKING THE OLD RECORD OF THREE 100 DEGREES DAYS SET IN APRIL OF 2006. THE LIST BELOW SHOWS THE AVERAGE TEMPERATURE FOR APRIL 2011 AT AUSTIN...DEL RIO...AND SAN ANTONIO. AUSTIN MABRY.........76.1....7.8 DEGREES ABOVE NORMAL AUSTIN BERGSTROM.....73.8....4.9 DEGREES ABOVE NORMAL DEL RIO..............78.4....7.8 DEGREES ABOVE NORMAL SAN ANTONIO..........75.7....7.1 DEGREES ABOVE NORMAL THE LIST BELOW SHOWS THE WARMEST APRILS AT AUSTIN...DEL RIO AND SAN ANTONIO THROUGH YEAR 2011...BASED ON THE AVERAGE MONTHLY TEMPERATURE. WARMEST APRILS AT AUSTIN MABRY 1854 TO 2011. 1. APRIL OF 2011....76.1 2. APRIL OF 1967....75.9 3. APRIL OF 1893....75.8 4. APRIL OF 2006....74.9 WARMEST APRILS AT AUSTIN BERGSTROM OCTOBER 1942 TO 2011. 1. APRIL OF 1967....76.1 2. APRIL OF 1972....74.4 3. APRIL OF 1954....74.3 4. APRIL OF 2006....74.2 5. APRIL OF 1955....74.1 6. APRIL OF 2011....73.8 WARMEST APRILS AT DEL RIO 1906 TO 2011. 1. APRIL OF 2011....78.4 2. APRIL OF 2002....77.0 3. APRIL OF 2006....76.7 4. APRIL OF 1967....76.1 WARMEST APRILS AT SAN ANTONIO 1885 TO 2011. 1. APRIL OF 2006....76.7 2. APRIL OF 1967....76.6 3. APRIL OF 2011....75.7 4. APRIL OF 1963....74.6 $$