Alert archive / Colorado / River Flood Watches in 2015

River Flood Watch 2, NWS Denver/Boulder, CO

May 18, 2015Morgan County, Colorado

NWS Denver/Boulder, CO issued this river flood watch at May 18, 2015, 7:53 PM MDT for Morgan County, Colorado. It took effect at May 21, 2015, 12:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued: May 18, 2015, 7:53 PM MDT (01:53 UTC)
In effect from: May 21, 2015, 12:00 AM MDT
Expired: May 20, 2015, 1:28 AM MDT
In force
Issued by: NWS Denver/Boulder, CO
Flood severity: None

County Morgan County, CO

The radar

The Denver radar (KFTG), 82 km from the middle of the area, began a volume at 01:56 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 near Weldona (WNAC2).

Action stage: 8 ft
Minor stage: 10 ft
Moderate stage: 11 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 watch 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 watch went out at May 18, 3:11 PM MDT, 4 hours 42 minutes earlier.

Area forecast discussion, May 18, 3:11 PM MDT, 4 hours 42 minutes before

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Hazardous weather outlook, May 18, 11:30 AM MDT, 8 hours 23 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 7:53 PM MDT	River Flood Watch	BOU	Weld	30 hr
May 18, 7:53 PM MDT	River Flood Watch	BOU	Logan, Morgan, Washington	30 hr
May 18, 7:53 PM MDT	River Flood Watch	BOU	Weld	30 hr
May 18, 11:48 PM MDT	Winter Weather Advisory	BOU	Park	12 hr
May 19, 6:52 AM MDT	Areal Flood Advisory	BOU	Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more	8 hr
May 19, 7:35 AM MDT	Areal Flood Advisory	BOU	Boulder, Larimer	6 hr
May 19, 9:47 AM MDT	River Flood Warning	BOU	Logan, Morgan, Washington	4 days
May 19, 9:47 AM MDT	River Flood Warning	BOU	Weld	10 days
May 19, 9:47 AM MDT	River Flood Warning	BOU	Adams	20 hr
May 19, 9:47 AM MDT	River Flood Warning	BOU	Weld	9 days
May 19, 9:47 AM MDT	River Flood Warning	BOU	Morgan	8 days
May 19, 2:15 PM MDT	Areal Flood Advisory	BOU	Boulder, Larimer	4 hr

Nearby

River Flood Watches in Colorado, 2015 Every river flood watch in 2015

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.