Public Information Statement
Issued by NWS Los Angeles, CA

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NOUS46 KLOX 010343
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CAZ034>041-044>046-051>054-059-087-088-547>550-011945-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
843 PM PDT SUN MAY 31 2015

...A "REVERSE" METEOROLOGICAL SPRING OF SORTS IN DOWNTOWN LOS
ANGELES...

METEOROLOGICAL SPRING...DEFINED AS THE MONTHS OF MARCH...APRIL AND
MAY...WAS WARMER AND DRIER THAN NORMAL IN DOWNTOWN LOS ANGELES...AND
ACROSS SOUTHWESTERN CALIFORNIA IN GENERAL.

WHAT WAS UNUSUAL ABOUT METEOROLOGICAL SPRING 2015 IN DOWNTOWN
LOS ANGELES IS THAT THE WARMEST MONTH WAS MARCH AND THE COOLEST
MONTH WAS MAY...A REVERSE OF THE CLIMATOLOGICAL NORM. THIS HAS
NOT OCCURRED IN NEARLY 100 YEARS...SINCE 1921...AND IS ONLY THE 3RD
TIME IT HAS HAPPENED SINCE RECORDS BEGAN IN 1877. THE OTHER TWO
YEARS IN WHICH THIS OCCURRED WERE 1914 AND 1921.

THE AVERAGE MONTHLY TEMPERATURES IN DOWNTOWN LOS ANGELES
FOR MARCH...APRIL AND MAY 2015 WERE 68.2 DEGREES...65.8 DEGREES...
AND 64.2 DEGREES RESPECTIVELY. NORMAL AVERAGE MONTHLY TEMPERATURES
IN DOWNTOWN LOS ANGELES FOR THE 1981-2010 30-YEAR PERIOD ARE
60.6 DEGREES...63.1 DEGREES AND 65.8 DEGREES RESPECTIVELY.

AT MANY OTHER LOCATIONS IN SOUTHWESTERN CALIFORNIA...MARCH WAS THE
WARMEST MONTH OF METEOROLOGICAL SPRING AND MAY WAS THE COOLEST.

THE CLIMATE SUMMARY FOR MAY AND FOR METEOROLOGICAL SPRING WILL BE
ISSUED ON JUNE 2ND.

$$

BRUNO


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