Public Information Statement
Issued by NWS Denver/Boulder, CO

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NOUS45 KBOU 210001
PNSBOU

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BOULDER CO
600 PM MDT WEDNESDAY APRIL 20 2016

THERE ARE INDICATIONS THAT IT WILL BE ANOTHER WET SPRING THIS
YEAR...SO FLOODING MAY BE OF CONCERN AGAIN. COLORADO CAN BE A HOST
TO FLASH FLOODING, RIVER FLOODING, AND SMALL STREAM FLOODING. BURN
SCARS CAN FLOOD WITH MUCH LESS RAINFALL.

FLASH FLOODING  REFERS TO A DANGEROUS SUDDEN RISE IN WATER ALONG A
CREEK...RIVER...OR OVER A NORMALLY DRY LAND AREA.   FLASH FLOODS
RESULT FROM HEAVY RAINFALL...SUDDEN BREAKS IN RIVER ICE JAMS...AND
DAM OR LEVEE FAILURES.  FLASH FLOODS CAN OCCUR WITHIN A FEW MINUTES
OR HOURS...AND CAN MOVE AT SURPRISINGLY HIGH SPEEDS...STRIKING WITH
LITTLE WARNING.

A FLASH FLOOD OR FLOOD WATCH...WHICH MEANS THAT FLASH FLOODING OR
FLOODING IS POSSIBLE WITHIN THE WATCH AREA.

A FLOOD WARNING, WHICH MEANS THAT FLOODING IS IMMINENT OR HAS BEEN
REPORTED ALONG A RIVER.

A FLASH FLOOD WARNING...WHICH MEANS THAT FLASH FLOODING HAS BEEN
REPORTED OR IS IMMINENT. WHEN A FLASH FLOOD WARNING IS ISSUED FOR
YOUR AREA...ACT QUICKLY. IF ADVISED TO EVACUATE...DO SO IMMEDIATELY.
GO TO HIGHER GROUND OR CLIMB TO SAFETY BEFORE ACCESS IS CUT OFF BY
FLOOD WATERS.

AN URBAN FLOOD ADVISORY WILL BE ISSUED FOR IMPACT FLOODING THAT IS
NOT IN ITSELF LIFE THREATENING. A SMALL STREAM FLOOD ADVISORY MIGHT
BE ISSUED WHEN FLOW IS BANKFUL WITH MINOR LOWLAND FLOODING ALONG THE
STREAM.

MORE INFORMATION ON FLOODING AND FLASH FLOODING CAN BE FOUND ON OUR
WEBSITE AT:  WWW.WEATHER.GOV/BOULDER



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