Alert archive / Colorado / River Flood Warnings in 2023

River Flood Warning 1, NWS Denver/Boulder, CO

June 13, 2023Morgan County, Colorado

NWS Denver/Boulder, CO issued this river flood warning at Jun 13, 2023, 8:19 PM MDT for Morgan County, Colorado. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jun 13, 2023, 8:19 PM MDT (02:19 UTC)
Expired
Jun 14, 2023, 10:38 AM MDT
In force
14 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 02:20 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 18.17 ft at Jun 13, 2023, 7:00 PM MDT.

actionminormoderate1416182006/1406/15
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 13, 5:45 PM MDT, 2 hours 34 minutes earlier.

Area forecast discussion, Jun 13, 5:45 PM MDT, 2 hours 34 minutes before
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Hazardous weather outlook, Jun 13, 10:59 AM MDT, 9 hours 20 minutes before
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1059 AM MDT Tue Jun 13 2023

COZ030>051-141700-
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-
1059 AM MDT Tue Jun 13 2023

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

.DAY ONE...Today and Tonight

Scattered showers and isolated thunderstorms will continue across
the region through the evening. Briefly moderate to heavy rain and
some small hail will be possible with any thunderstorm that
develops. Minor flooding will also be possible, especially in
areas that have received heavy rainfall in the past few days.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Shower and thunderstorm chances will decrease Wednesday,
especially over the plains where a drier and more stable airmass
builds in. Thunderstorm coverage and intensity is expected to
increase again for Thursday and Friday. A couple severe storms
will be possible over the plains both days, and a few storms may
also produce locally heavy rainfall.

A drier, summerlike weather pattern is then expected to arrive
this weekend and hold into early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be not be needed today. However, any
reports of heavy rainfall and flooding will be appreciated.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:19 PM MDTRiver Flood AdvisoryBOULogan, Morgan, Washington3 days
Jun 13, 10:17 PM MDTRiver Flood WarningBOULogan, Morgan, Washington17 hr
Jun 14, 10:38 AM MDTRiver Flood AdvisoryBOUMorgan8 days
Jun 14, 1:14 PM MDTRiver Flood AdvisoryBOULogan8 days
Jun 14, 3:44 PM MDTRiver Flood AdvisoryBOULogan, Morgan, Washington10 days
Jun 14, 4:37 AM MDTRiver Flood AdvisoryBOULogan6 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.