Alert archive / Montana / River Flood Watches in 2016

River Flood Watch 2, NWS Great Falls, MT

May 21, 2016

NWS Great Falls, MT issued this river flood watch at May 21, 2016, 10:03 AM MDT. It took effect at May 22, 2016, 6:00 AM MDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: May 21, 2016, 10:03 AM MDT (16:03 UTC)
In effect from: May 22, 2016, 6:00 AM MDT
Expired: May 23, 2016, 12:00 AM MDT
In force: 18 hr
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Flood severity: None

The river

Written for the forecast point Clear Creek (North-central MT) near Chinook near mouth (CCMM8).

Action stage: 4.5 ft
Minor stage: 5.5 ft
Moderate stage: 6.5 ft
Major stage: 8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06142400, 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 Great Falls, MT wrote its last area forecast discussion before this river flood watch went out at May 21, 6:25 AM MDT, 3 hours 38 minutes earlier.

Area forecast discussion, May 21, 6:25 AM MDT, 3 hours 38 minutes before

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The office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 11:28 PM MDT	Special Weather Statement	TFX	Chouteau, Fergus	47 min
May 21, 12:32 AM MDT	Special Weather Statement	TFX	Blaine, Fergus	43 min
May 21, 1:22 AM MDT	Special Weather Statement	TFX	Blaine, Fergus, Hill	38 min
May 21, 11:49 AM MDT	Special Weather Statement	TFX	Chouteau	41 min
May 21, 3:39 PM MDT	Winter Weather Advisory	TFX		44 hr
May 21, 4:01 PM MDT	Special Weather Statement	TFX	Petroleum	14 min

Nearby

River Flood Watches in Montana, 2016 Every river flood watch in 2016

Sources

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