Alert archive / Minnesota / River Flood Watches in 2013

River Flood Watch 2, NWS Grand Forks, ND

May 18, 2013Clay County, Minnesota

NWS Grand Forks, ND issued this river flood watch at May 18, 2013, 9:59 AM CDT for Clay County, Minnesota. It took effect at May 20, 2013, 9:15 AM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: May 18, 2013, 9:59 AM CDT (14:59 UTC)
In effect from: May 20, 2013, 9:15 AM CDT
Expired: May 24, 2013, 1:00 PM CDT
In force: 4 days
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Flood severity: None

County Clay County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 95 km from the middle of the area, began a volume at 15:03 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 Branch Buffalo River at Sabin (SABM5). The gauge peaked at 12.35 ft at May 23, 2013, 1:00 PM CDT.

Action stage: 12 ft
Minor stage: 13 ft
Moderate stage: 15 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05061500, 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 Grand Forks, ND wrote its last area forecast discussion before this river flood watch went out at May 18, 6:57 AM CDT, 3 hours 2 minutes earlier.

Area forecast discussion, May 18, 6:57 AM CDT, 3 hours 2 minutes before

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Hazardous weather outlook, May 18, 7:09 AM CDT, 2 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND FORKS ND
709 AM CDT SAT MAY 18 2013

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-191215-
WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-LAKE OF THE WOODS-
WEST MARSHALL-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-
EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN-
SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN-
WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-TOWNER-CAVALIER-
PEMBINA-BENSON-RAMSEY-EASTERN WALSH-EDDY-NELSON-GRAND FORKS-
GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT-RICHLAND-
WESTERN WALSH-
709 AM CDT SAT MAY 18 2013

...SEVERE STORMS AND HEAVY RAIN POSSIBLE THIS AFTERNOON AND
TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE THIS
MORNING. LATER THIS AFTERNOON AND TONIGHT MORE WIDESPREAD
THUNDERSTORMS ARE EXPECTED TO DEVELOP AS A DEEPENING AREA OF LOW
PRESSURE APPROACHES. SOME STORMS COULD BE SEVERE WITH THE BEST
CHANCE FOR SEVERE STORMS ALONG AND SOUTH OF HIGHWAY 200 AFTER 4PM.
THE PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. THERE
WILL ALSO BE THE THREAT FOR HEAVY RAINFALL LATE THIS AFTERNOON
INTO THE OVERNIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SIGNIFICANT RAINFALL IS EXPECTED TO CONTINUE INTO EARLY NEXT WEEK
HOWEVER THE THUNDERSTORM POTENTIAL WILL DIMINISH AFTER SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

In the hours before

Local storm report, May 18, 9:02 AM CDT, 57 minutes before

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The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 9:59 AM CDT	River Flood Watch	FGF	Clay	3 days
May 18, 9:59 AM CDT	River Flood Watch	FGF	Clay	7 days
May 18, 9:59 AM CDT	River Flood Watch	FGF	Clay	70 hr
May 18, 9:59 AM CDT	River Flood Watch	FGF	Norman	4 days
May 18, 6:23 PM CDT	Special Weather Statement	FGF	Becker	67 min
May 18, 1:51 AM CDT	Special Weather Statement	FGF	Sargent	54 min

Nearby

River Flood Watches in Minnesota, 2013 Every river flood watch in 2013

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.