Daily Report - Yosemite National Park
Tuesday, April 21, 2009
Weather
Special Weather Statement
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
920 AM PDT TUE APR 21 2009
...RECORD OR NEAR RECORD HIGH TEMPERATURES AGAIN TODAY WITH INCREASED
SNOWMELT IN THE SOUTHERN SIERRA NEVADA...
A STRONG HIGH PRESSURE AREA HAS BECOME ESTABLISHED OVER CENTRAL CALIFORNIA.
TEMPERATURES WILL BE SOME 15 TO 20 DEGREES ABOVE
AVERAGE FOR THE MIDDLE OF APRIL AGAIN TODAY AND RECORD OR NEAR RECORD HIGHS
CAN BE EXPECTED IN THE SAN JOAQUIN VALLEY. A SLIGHT
DOWNWARD TREND IN TEMPERATURES WILL BEGIN WEDNESDAY...WITH MORE SEASONABLE
READINGS ON THURSDAY.
WITH THE ONSET OF UNSEASONABLY WARM WEATHER...MAKE SURE THAT PETS AND FARM
ANIMALS HAVE ACCESS TO SHADE AND PLENTY OF WATER.
ALSO...REMEMBER THAT THE INTERIORS OF VEHICLES CAN BECOME DANGEROUSLY
HOT...EVEN WITH WINDOWS PARTIALLY OPEN. NEVER LEAVE
CHILDREN...THE ELDERLY OR PETS UNATTENDED IN VEHICLES...EVEN FOR A SHORT
PERIOD OF TIME.
THE WARMER TEMPERATURES ARE BRINGING INCREASED SNOWMELT IN THE SOUTHERN
SIERRA NEVADA. RUNOFF FROM THE MELTING SNOW WILL BRING
ADDITIONAL RISES ON MANY MOUNTAIN STREAMS AND RIVERS. THESE WATERS WILL BE
QUITE COLD AND SWIFT MOVING...AND WHILE THEY MAY APPEAR INVITING...THESE
WATERS CAN BE QUITE DANGEROUS.
IF YOU ARE PLANNING OUTDOOR ACTIVITIES IN THE SIERRA NEVADA THIS WEEK...BE