Alert archive / Colorado / River Flood Warnings in 2023

River Flood Warning 3, NWS Denver/Boulder, CO

June 23, 2023Morgan County, Colorado

NWS Denver/Boulder, CO issued this river flood warning at Jun 23, 2023, 3:38 AM MDT for Morgan County, Colorado. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Jun 23, 2023, 3:38 AM MDT (09:38 UTC)
Expired
Jun 24, 2023, 8:35 AM MDT
In force
29 hr
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon
Flood severity
Minor

County Morgan County, CO

The radar

The Denver radar (KFTG), 82 km from the middle of the area, began a volume at 09:40 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point South Platte River at Fort Morgan (FOMC2). The gauge peaked at 17.86 ft at Jun 23, 2023, 3:00 AM MDT.

actionminormoderate1416182006/2306/2406/25
Action stage
15 ft
Minor stage
17.5 ft
Moderate stage
19.5 ft
Major stage
21.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06759500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this river flood warning went out at Jun 22, 11:59 PM MDT, 3 hours 39 minutes earlier.

Area forecast discussion, Jun 22, 11:59 PM MDT, 3 hours 39 minutes before
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Hazardous weather outlook, Jun 22, 10:36 AM MDT, 17 hours 2 minutes before
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1036 AM MDT Thu Jun 22 2023

COZ030>051-231645-
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
County-
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
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1036 AM MDT Thu Jun 22 2023

...SEVERE STORMS AND FLOODING POSSIBLE...

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Scattered showers and thunderstorms are expected again this
afternoon and evening with strong to severe storms possible
across the urban corridor and plains. Large hail, damaging wind
gusts, heavy rain, and an isolated tornado are all possible with
these storms. Storms will begin earlier today, generally noon to 3
pm over the mountains and adjacent plains, then spreading eastward
during the late afternoon and evening.

Many areas on the plains are already saturated and thus more
sensitive to additional rainfall, including rivers and creeks. A
flood watch has been issued from noon until midnight tonight for
the Denver metro area, and areas south and east of Denver, across
the Palmer Divide, and other portions of the eastern plains. There
is also a limited threat for flash flooding over the burn areas,
mainly Cameron Peak.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Trending toward drier Friday through mid-week next week. There is
a chance for scattered thunderstorms Friday afternoon with a few
severe storms possible; however, storms will be lesser in
coverage. Weekend remains fairly dry. Fire weather conditions
return to the high country/Park County Friday through the weekend
with low relative humidity and breezy conditions. Elevated fire
weather conditions creep into the adjacent plains Saturday. Recent
rain should likely limit these concerns.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed today and this evening,
generally after 1 pm. Hail, heavy rain, flooding and tornado
reports will be appreciated.

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 7:01 PM MDTAreal Flood WarningBOUAdams, Weld16 hr
Jun 22, 7:07 PM MDTAreal Flood AdvisoryBOUAdams, Arapahoe3 hr
Jun 22, 7:48 PM MDTRiver Flood WatchBOUMorgan8 hr
Jun 22, 7:51 PM MDTRiver Flood WatchBOULogan, Morgan, Washington37 hr
Jun 22, 7:52 PM MDTRiver Flood WatchBOULogan13 hr
Jun 22, 8:16 PM MDTSpecial Weather StatementBOUWeld29 min
Jun 22, 8:23 PM MDTSpecial Weather StatementBOUJefferson37 min
Jun 22, 8:25 PM MDTSevere Thunderstorm WarningBOUArapahoe, Douglas, Jefferson21 min
Jun 22, 8:27 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln33 min
Jun 22, 8:56 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln34 min
Jun 22, 9:05 PM MDTSpecial Weather StatementBOUDenver25 min
Jun 22, 9:12 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln48 min
Jun 22, 9:53 PM MDTSevere Thunderstorm Warning Considerable damage threatBOUElbert, Lincoln52 min
Jun 23, 3:51 AM MDTAreal Flood WarningBOUMorgan30 hr
Jun 23, 10:44 AM MDTAreal Flood WarningBOUArapahoe, Douglas6 hr
Jun 23, 1:15 PM MDTAreal Flood WarningBOUAdams, Weld23 hr

Nearby

River Flood Warnings in Colorado, 2023Every river flood warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.