Watches, Warnings, and Advisories
Current Watches, Warnings and Advisories for Jefferson (COC059) Colorado Issued by the National Weather Service
|Updated:||Mon, 28-Jul-2014 10:10pm MDT
|Effective:||Mon, 28-Jul-2014 10:10pm MDT
|Expires:||Wed, 30-Jul-2014 6:00pm MDT
|Areas affected: Boulder And Jefferson Counties Below 6000 Feet, West Broomfield County; Central and East Adams and Arapahoe Counties; Central and South Weld County; Central and Southeast Park County; Elbert, Central and East Douglas Counties Above 6000 Feet; Jefferson and West Douglas Counties Above 6000 Feet, Gilpin, Clear Creek, Northeast Park Counties Below 9000 Feet; Larimer County Below 6000 Feet, Northwest Weld County; Larimer and Boulder Counties Between 6000 and 9000 Feet; Morgan County; North Douglas County Below 6000 Feet, Denver, West Adams and Arapahoe Counties, East Broomfield County; North and Northeast Elbert County Below 6000 Feet, North Lincoln County; Northeast Weld County; South and East Jackson, Larimer, North and Northeast Grand, Northwest Boulder Counties Above 9000 Feet; South and Southeast Grand, West Central and Southwest Boulder, Gilpin, Clear Creek, Summit, North and West Park Counties Above 9000 Feet; Southeast Elbert County Below 6000 Feet, South Lincoln County; Washington County
Instructions: A flash flood watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.
Message summary: ...heavy rain likely for the front range and eastern plains
tuesday afternoon through wednesday afternoon...
.monsoon moisture combined with a moist easterly upslope flow
will produce widespread showers and thunderstorms tuesday
afternoon and into wednesday. An upper level system will help
trigger the showers and storms...which is expected to continue
through the night tuesday night. Additional rain and
thunderstorms are expected wednesday as a second upper level
system passes over the state. Widespread rainfall amounts of 1 to
2 inches are expected across the area. Thunderstorms will produce
locally very heavy rainfall with several inches of rain possible
over a few hours.
...flash flood watch remains in effect from tuesday afternoon
through wednesday afternoon...
The flash flood watch continues for
* portions of central colorado...east central colorado...north
central colorado and northeast colorado...including the
following areas...in central colorado...central and southeast
park county...jefferson and west douglas counties above 6000
feet/gilpin/clear creek/northeast park counties below 9000
feet and south and southeast grand/west central and southwest
boulder/gilpin/clear creek/summit/north and west park counties
above 9000 feet. In east central colorado...north and
northeast elbert county below 6000 feet/north lincoln county
and southeast elbert county below 6000 feet/south lincoln
county. In north central colorado...larimer county below 6000
feet/northwest weld county...larimer and boulder counties
between 6000 and 9000 feet and south and east
jackson/larimer/north and northeast grand/northwest boulder
counties above 9000 feet. In northeast colorado...boulder and
jefferson counties below 6000 feet/west broomfield county...
Central and east adams and arapahoe counties...central and
south weld county...elbert/central and east douglas counties
above 6000 feet...morgan county...north douglas county below
6000 feet/denver/west adams and arapahoe counties/east
broomfield county...northeast weld county and washington
* from tuesday afternoon through wednesday afternoon
* widespread showers and thunderstorms will produce 1 to 2
inches of rain tuesday afternoon through wednesday. Some
thunderstorms may train or reform over the same areas and
produce several inches of rainfall.
* flash flooding of low lying areas...creeks and streams will be
possible along with rock and mud slides. If you live in flood
prone areas or will be traveling...stay alert to the weather
and be prepared for rapidly rising water levels.
...view the complete message
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Source: NWS Watches, Warnings or Advisories for zone COC059