Alert archive / Montana / River Flood Warnings in 2018

River Flood Warning 6, NWS Great Falls, MT

April 14, 2018Hill County, Montana

NWS Great Falls, MT issued this river flood warning at Apr 14, 2018, 4:20 PM MDT for Hill County, Montana. It was in force for 8 days.

The area

The counties it named.

The facts

Issued
Apr 14, 2018, 4:20 PM MDT (22:20 UTC)
Expired
Apr 23, 2018, 12:38 AM MDT
In force
8 days
Issued by
NWS Great Falls, MT
Area
Storm-based polygon
Flood severity
Minor

County Hill County, MT

The radar

The Great Falls radar (KTFX), 161 km from the middle of the area, began a volume at 22:19 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 Big Sandy Creek (MT) near Havre (BSMM8). The gauge peaked at 14.58 ft at Apr 18, 2018, 11:00 PM MDT.

actionminormoderatemajor101504/1404/1504/1604/1704/1804/1904/2004/2104/2204/2304/24
Action stage
7.5 ft
Minor stage
8.5 ft
Moderate stage
10 ft
Major stage
12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06139500, 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 Great Falls, MT wrote its last area forecast discussion before this river flood warning went out at Apr 14, 2:57 PM MDT, 1 hour 23 minutes earlier.

Area forecast discussion, Apr 14, 2:57 PM MDT, 1 hour 23 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 12:13 PM MDTAreal Flood AdvisoryTFXGlacier, Toole45 hr

Nearby

River Flood Warnings in Montana, 2018Every river flood warning in 2018

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.