Alert archive / Montana / Areal Flood Warnings in 2011

Areal Flood Warning 2, NWS Missoula, MT

May 15, 2011Sanders County, Montana

NWS Missoula, MT issued this areal flood warning at May 15, 2011, 7:50 AM MDT for Sanders County, Montana. It was in force for 59 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 15, 2011, 7:50 AM MDT (13:50 UTC)
Expired
May 17, 2011, 6:41 PM MDT
In force
59 hr
Issued by
NWS Missoula, MT
Area
Storm-based polygon
Flood severity
None

County Sanders County, MT

The radar

The Missoula radar (KMSX), 111 km from the middle of the area, began a volume at 13:51 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.

What forecasters said that day

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

NWS Missoula, MT wrote its last area forecast discussion before this areal flood warning went out at May 14, 3:23 PM MDT, 16 hours 27 minutes earlier.

Area forecast discussion, May 14, 3:23 PM MDT, 16 hours 27 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 10:44 PM MDTWind AdvisoryMSOMissoula, Ravalli5 hr
May 15, 3:12 AM MDTWind AdvisoryMSOLemhi19 hr

Nearby

Areal Flood Warnings in Montana, 2011Every areal flood warning in 2011

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.