Alert archive / North Dakota / Special Weather Statements in 2018

Special Weather Statement, NWS Grand Forks, ND

June 9, 2018Richland County, North Dakota

NWS Grand Forks, ND issued this special weather statement at Jun 9, 2018, 3:01 AM CDT for Richland County, North Dakota. It was in force for 14 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 9, 2018, 3:01 AM CDT (08:01 UTC)
Expired: Jun 9, 2018, 3:15 AM CDT
In force: 14 min
Issued by: NWS Grand Forks, ND

County Richland County, ND

The radar

The Aberdeen radar (KABR), 136 km from the middle of the area, began a volume at 08:02 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 nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 8.0 hours before the alert went out and 176 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 755 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 2119 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 8, 11:53 PM CDT, 3 hours 8 minutes earlier.

Area forecast discussion, Jun 8, 11:53 PM CDT, 3 hours 8 minutes before

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Hazardous weather outlook, Jun 8, 2:40 PM CDT, 12 hours 21 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
240 PM CDT Fri Jun 8 2018

MNZ001>003-007-008-013>015-022-027>032-040-NDZ016-026>030-038-039-
049-052-053-091200-
West Polk-Norman-Clay-West Marshall-East Marshall-Pennington-
Red Lake-East Polk-Mahnomen-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Eastern Walsh County-
Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-
Sargent-Richland-
240 PM CDT Fri Jun 8 2018

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...This Afternoon and Tonight

Showers and thunderstorms will occur across a portion of the
region into the evening. A few storms may become strong to severe,
with hail up to an inch, winds up to 60 mph, and a brief tornado
possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Thunderstorms appear likely Sunday night into Monday. Some of
these thunderstorms could become severe Sunday night with
damaging wind gusts the main threat. A few locations could also
see heavy rain and localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

MNZ004>006-009-016-017-023-024-NDZ006>008-014-015-024-054-091200-
Kittson-Roseau-Lake Of The Woods-North Beltrami-North Clearwater-
South Beltrami-South Clearwater-Hubbard-Towner-Cavalier-Pembina-
Benson-Ramsey-Eddy-Western Walsh County-
240 PM CDT Fri Jun 8 2018

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...This Afternoon and Tonight

Showers and thunderstorms are possible into the evening hours. The
probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Thunderstorms appear likely Sunday night into Monday. Some of
these thunderstorms could become severe Sunday night with
damaging wind gusts the main threat. A few locations could also
see heavy rain and localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Local storm report, Jun 8, 9:04 PM CDT, 5 hours 57 minutes before

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Special weather statement, Jun 8, 9:55 PM CDT, 5 hours 6 minutes before

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Local storm report, Jun 8, 10:52 PM CDT, 4 hours 9 minutes before

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Special weather statement, Jun 9, 1:18 AM CDT, 1 hour 43 minutes before

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Special weather statement, Jun 9, 3:01 AM CDT, 0 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
Jun 8, 7:29 PM CDT	Severe Thunderstorm Warning	FGF	Mahnomen, Norman	25 min
Jun 8, 9:55 PM CDT	Special Weather Statement	FGF	Wadena	65 min
Jun 9, 1:18 AM CDT	Special Weather Statement	FGF	Beltrami	27 min
Jun 9, 6:11 PM CDT	Severe Thunderstorm Warning	FGF	Polk	19 min
Jun 9, 6:37 PM CDT	Severe Thunderstorm Warning	FGF	Clay	23 min
Jun 9, 6:59 PM CDT	Severe Thunderstorm Warning	FGF	Clay	31 min
Jun 9, 2:42 AM CDT	Dense Fog Advisory	FGF	Benson, Cavalier, Eddy, Grand Forks, Griggs, Nelson and 5 more	7 hr
Jun 9, 4:01 PM CDT	Special Weather Statement	FGF	Steele	44 min
Jun 9, 4:06 PM CDT	Special Weather Statement	FGF	Steele	39 min
Jun 9, 4:25 PM CDT	Special Weather Statement	FGF	Traill	35 min

Nearby

Special Weather Statements in North Dakota, 2018 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.