Snowmelt Flooding Possible During Next Two Weeks

Reno, NV….The National Weather Service in Reno has issued a Hydrologic Outlook warning for the next two weeks of possible localised flooding around streams and trails because of high run off from snowmelt.

Hydrologic Outlook

HYDROLOGIC OUTLOOK
CAC003-017-051-057-061-091-NVC005-019-021-031-510-140000-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE RENO NV
130 PM PDT SUN JUN 12 2011

…SNOWMELT FLOODING OF RIVERS AND STREAMS IN THE EASTERN SIERRA
POSSIBLE DURING THE NEXT TWO WEEKS…

WARM TEMPERATURES OVER THE NEXT TWO WEEKS WILL CAUSE INCREASING MELT
OF THE MUCH ABOVE AVERAGE SNOWPACK IN THE HIGHER ELEVATIONS OF THE
SIERRA. THIS MELT WILL RESULT IN HIGH FLOWS AND POSSIBLY FLOODING ON
MANY RIVERS AND STREAMS IN THE AREA THROUGH THE END OF JUNE.

THIS AREA INCLUDES THE FOLLOWING COUNTIES…

IN EASTERN CALIFORNIA…
EASTERN SIERRA…EASTERN NEVADA…EASTERN PLACER…EASTERN EL
DORADO…EASTERN ALPINE AND MONO COUNTIES.

IN WESTERN NEVADA…
EXTREME SOUTHWEST WASHOE…WESTERN CARSON CITY…WESTERN
DOUGLAS…LYON AND EXTREME WESTERN MINERAL COUNTIES.

THE POTENTIAL FOR SNOWMELT FLOODING OVER THE NEXT TWO WEEKS IS HIGH
ON THE FOLLOWING RIVER BASINS…

LAKE TAHOE TRIBUTARIES. IN CALIFORNIA…THIS AREA INCLUDES
MEYERS…SOUTH LAKE TAHOE…MEEKS BAY…TAHOMA…HOMEWOOD AND
TAHOE PINES. IN NEVADA…THIS AREA INCLUDES INCLINE VILLAGE…
GLENBROOK…AND ZEPHYR COVE.

TRIBUTARIES OF THE TRUCKEE RIVER ABOVE RENO UNCONTROLLED BY
RESERVOIRS. THIS AREA INCLUDES ALPINE MEADOWS…SQUAW VALLEY AND
OLYMPIC VALLEY CALIFORNIA. /PLEASE NOTE…THIS AREA DOES NOT
INCLUDE THE MAINSTEM TRUCKEE RIVER BELOW LAKE TAHOE…INCLUDING RENO
AND SPARKS…DUE TO ADEQUATE FLOOD CONTROL STORAGE IN UPSTREAM
RESERVOIRS./

THE EAST FORK…WEST FORK AND MAINSTEM OF THE CARSON RIVER AND
TRIBUTARIES ABOVE LAHONTAN RESERVOIR. IN CALIFORNIA…THIS AREA
INCLUDES WOODFORDS AND MARKLEEVILLE. IN NEVADA…THIS AREA INCLUDES
MINDEN…GARDNERVILLE…CARSON CITY…AND DAYTON. /PLEASE
NOTE…THERE IS A FLOOD WATCH IN EFFECT FOR THE WEST FORK CARSON
RIVER IN ALPINE COUNTY CALIFORNIA AND DOUGLAS COUNTY NEVADA. PLEASE
SEE WWW.WEATHER.GOV/RENO FOR MORE DETAIL./

WEST WALKER…EAST WALKER AND MAINSTEM WALKER RIVER AND TRIBUTARIES
ABOVE WEBER DAM. IN CALIFORNIA…THIS AREA INCLUDES
WALKER…COLEVILLE…TOPAZ AND BRIDGEPORT. IN NEVADA THIS AREA
INCLUDES WELLINGTON…SMITH…MASON VALLEY…AND YERINGTON. NO
FLOODING IS EXPECTED BELOW WEBER DAM. /PLEASE NOTE…THERE IS A
FLOOD WARNING IN EFFECT FOR THE MAINSTEM WALKER RIVER IN LYON COUNTY
NEVADA. PLEASE SEE WWW.WEATHER.GOV/RENO FOR MORE DETAIL./

MONO LAKE TRIBUTARIES. THIS AREA INCLUDES LEE VINING AND JUNE LAKES
CALIFORNIA.

UPPER OWENS RIVER TRIBUTARIES IN MONO COUNTY. THIS AREA INCLUDES
MAMMOTH LAKES CALIFORNIA.

THE WARMEST TEMPERATURES…AND HIGHEST FLOWS OF THE SPRING SNOWMELT
SEASON…ARE CURRENTLY FORECAST TO OCCUR BETWEEN TUESDAY JUNE 14TH
AND SATURDAY JUNE 25TH. THE HIGHEST THREAT OF FLOODING WILL BE
DURING THIS PERIOD.

THERE IS ALSO THE POTENTIAL FOR FLOODING OF HIKING TRAILS…
CAMPGROUNDS…AND BACK ROADS THROUGHOUT THE SIERRA. RIVERS AND
STREAMS WILL BECOME INCREASINGLY HAZARDOUS FOR RAFTERS…KAYAKERS
AND ANGLERS AS THE FAST FLOWING…AND VERY COLD WATERS CONTINUE TO
RISE.

THE VERY COLD WATER THIS TIME OF YEAR CAN BE QUITE DANGEROUS WHEN
RUNNING FAST AND DEEP. IF YOU ARE CAUGHT IN THE WATER FOR ANY
LENGTH OF TIME UNPROTECTED…HYPOTHERMIA IS A DEADLY POSSIBILITY.

THOSE WITH INTERESTS ALONG AREA RIVERS AND STREAMS SHOULD KEEP
INFORMED OF THE CURRENT SITUATION BY MONITORING NATIONAL WEATHER
SERVICE FLOOD WATCHES…WARNINGS AND STATEMENTS.

&&

HTTP://WEATHER.GOV/RENO