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2 products issued by NWS for: Grand Lake CO
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1040 AM MDT Mon May 29 2023

Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
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-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1040 AM MDT Mon May 29 2023

This hazardous weather outlook is for northeast and north central

.DAY ONE...Today and Tonight

Isolated showers and thunderstorms are expected over the higher
terrain and I-25 Corridor this afternoon and early evening. There
will be a better chance thunderstorms over the northeast plains
where better moisture and instability will reside. A few of these
storms could become severe.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Scattered thunderstorms and showers will develop each afternoon
this week. Wednesday and Thursday, coverage should be more
widespread across the region. Storms may produce brief heavy
rainfall, hail, and lightning, and there is a limited threat of
burn area flash flooding.


Spotter activation will not be needed today or tonight.


Flood Advisory

Flood Advisory
National Weather Service Denver CO
603 AM MDT Mon May 29 2023

Grand CO-
603 AM MDT Mon May 29 2023


* WHAT...Minor flooding of low lying areas caused by snowmelt is

* WHERE...Along the Colorado River upstream of Shadow Mountain Lake.

* WHEN...Until noon MDT Thursday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.


    - At 559 AM MDT, River gauges report high flows on the
    Colorado River above Shadow Mountain Lake and north of Grand
    Lake. Minor flooding is ongoing or expected to begin shortly
    in the advisory area.

    - Some locations that will experience flooding
    include...along the Colorado River above Shadow Mountain Lake
    and north of Grand Lake.


Excessive runoff from snowmelt will cause flooding of low lying
areas along the Colorado River above Shadow Mountain Lake and north
of Grand Lake.


LAT...LON 4040 10586 4035 10587 4030 10587 4025 10587
      4021 10587 4022 10586 4023 10586 4026 10586
      4027 10585 4030 10585 4031 10585 4039 10585



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
Page last modified: May 16, 2007
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