Alert archive / Montana / River Flood Warnings in 2018
River Flood Warning 7, NWS Billings, MT
NWS Billings, MT issued this river flood warning at May 22, 2018, 11:27 AM MDT for Carbon County, Montana. It took effect at May 23, 2018, 12:00 AM MDT. It was in force for 13 days.
The area
The counties it named.
The facts
- Issued
- May 22, 2018, 11:27 AM MDT (17:27 UTC)
- In effect from
- May 23, 2018, 12:00 AM MDT
- Expired
- Jun 5, 2018, 10:46 AM MDT
- In force
- 13 days
- Issued by
- NWS Billings, MT
- Area
- Storm-based polygon
- Flood severity
- Minor
County Carbon County, MT
The radar
The Billings radar (KBLX), 77 km from the middle of the area, began a volume at 17:29 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 Clarks Fork of the Yellowstone near Belfry (BFYM8). The gauge peaked at 8.64 ft at May 27, 2018, 7:00 AM MDT.
- Minor stage
- 9 ft
- Moderate stage
- 10 ft
- Major stage
- 11.5 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06207500, 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 Billings, MT wrote its last area forecast discussion before this river flood warning went out at May 22, 10:21 AM MDT, 1 hour 6 minutes earlier.
Area forecast discussion, May 22, 10:21 AM MDT, 1 hour 6 minutes before
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</html>Hazardous weather outlook, May 22, 2:38 AM MDT, 8 hours 49 minutes before
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</html>In the hours before
Local storm report, May 22, 11:22 AM MDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1122 AM MDT TUE MAY 22 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 AM HEAVY RAIN 8 SE ROUNDUP 46.35N 108.44W
05/22/2018 M1.10 INCH MUSSELSHELL MT COCORAHS
0630 AM HEAVY RAIN 1 S KLEIN 46.40N 108.55W
05/22/2018 M2.11 INCH MUSSELSHELL MT COCORAHS
0700 AM HEAVY RAIN 13 E JUDITH GAP 46.61N 109.47W
05/22/2018 M1.20 INCH WHEATLAND MT CO-OP OBSERVER
0700 AM HEAVY RAIN 10 E LAVINA 46.29N 108.72W
05/22/2018 M1.54 INCH MUSSELSHELL MT COCORAHS
0700 AM HEAVY RAIN 5 SE KLEIN 46.35N 108.48W
05/22/2018 M1.06 INCH MUSSELSHELL MT COCORAHS
0700 AM HEAVY RAIN 13 SW ROUNDUP 46.33N 108.74W
05/22/2018 M1.23 INCH MUSSELSHELL MT CO-OP OBSERVER
0800 AM HEAVY RAIN 7 WSW ROUNDUP 46.43N 108.67W
05/22/2018 M1.61 INCH MUSSELSHELL MT MESONET
0800 AM HEAVY RAIN 6 WSW RED LODGE 45.16N 109.36W
05/22/2018 M1.03 INCH CARBON MT MESONET
0900 AM HEAVY RAIN 4 SSE ROUNDUP 46.39N 108.52W
05/22/2018 M2.12 INCH MUSSELSHELL MT COCORAHS
&&
VLSThe office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 6:49 PM MDT | Special Weather Statement | BYZ | Musselshell | 41 min |
| May 21, 6:57 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 33 min |
| May 21, 8:11 PM MDT | Special Weather Statement | BYZ | Musselshell | 49 min |
| May 21, 9:27 PM MDT | Special Weather Statement | BYZ | Treasure | 63 min |
| May 22, 11:27 AM MDT | River Flood Warning | BYZ | Carbon | 14 days |
| May 22, 12:40 PM MDT | Flood Watch | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 3 more | 35 hr |
| May 22, 4:37 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 38 min |
| May 22, 5:33 PM MDT | Special Weather Statement | BYZ | Carter | 42 min |
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.