Alert archive / Minnesota / Special Weather Statements in 2017

Special Weather Statement, NWS Grand Forks, ND

July 6, 2017Beltrami County, Minnesota

NWS Grand Forks, ND issued this special weather statement at Jul 6, 2017, 3:47 AM CDT for Beltrami County, Minnesota. It was in force for 43 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: Jul 6, 2017, 3:47 AM CDT (08:47 UTC)
Expired: Jul 6, 2017, 4:30 AM CDT
In force: 43 min
Issued by: NWS Grand Forks, ND

County Beltrami County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 194 km from the middle of the area, began a volume at 08:47 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

International Fa, MN (KINL), launched 00:00Z, 8.8 hours before the alert went out and 144 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: 23 J/kg
Mixed-layer CIN: -183 J/kg
Mixed-layer LCL: 2209 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

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 Jul 6, 2:43 AM CDT, 1 hour 4 minutes earlier.

Area forecast discussion, Jul 6, 2:43 AM CDT, 1 hour 4 minutes before

Area Forecast Discussion
National Weather Service Grand Forks ND
243 AM CDT Thu Jul 6 2017

.SHORT TERM...(Today and tonight)
Issued at 232 AM CDT Thu Jul 6 2017

Early morning storms have mainly drifted south of the Highway 2
corridor and are weakening, however still enough bulk shear and
instability to hang on to the watch. Will begin trimming northern
zones north of Hwy 2.

Today/tonight...north to northwest winds will set up as a sfc
ridge extending from a sfc high over northeast Alberta extends
southeastward into wrn North Dakota. This will help keep
afternoon highs about 5 deg cooler than yesterday, but still
ranging from the upper 70s to low 80s (near seasonal norms). The
ridge slides east tonight and winds decrease, allowing overnight
lows to fall into the mid 50s for the first time in several
evenings.

.LONG TERM...(Friday through Thursday)
Issued at 232 AM CDT Thu Jul 6 2017

A highly amplified upper ridge extending from an upper high over
the Four Corners region northward into the western Yukon Territory
will dominate the weather pattern through most of the weekend into
early next week. This will result in dry weather with temperatures
returning to the upper 80s for the weekend after a cooler Friday.
Models showing ridge breaking down enough to allow a ridge rider
to bring some chances for an isolated shower to the Devils Lake
region down into Valley City late Sat night into early Sun
morning, but other than that the ridge won't slide east of the
area until Mon night...setting up more zonal flow across the
northern tier. By early Tue morning, there will be a chance for
some shra west of the valley, extending across the region Tue
aftn into Tue night. By this time, significant differences in
upper level features occur giving low confidence for timing of any
mid-week precip. Models do agree, however, on another upper ridge
setting up over wrn Canada in the Day 8 to 10 range...bringing
more warm and dry weather to the Day 8-14 timeframe per the latest
CPC charts.

&&

.AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon)
Issued at 1242 PM CDT Wed Jul 5 2017

VFR conditions expected through the period. Convection expected
tonight, possibly severe, however coverage expected to be rather
isolated so other than DVL not enough confidence on any storms
affecting TAF sites for mention at this time.

&&

.FGF WATCHES/WARNINGS/ADVISORIES...
ND...None.
MN...None.
&&

SHORT TERM...Speicher
LONG TERM...Speicher
AVIATION...JK

Hazardous weather outlook, Jul 5, 9:27 AM CDT, 18 hours 20 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
927 AM CDT Wed Jul 5 2017

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-061430-
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 County-Eddy-Nelson-
Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-
Richland-Western Walsh County-
927 AM CDT Wed Jul 5 2017

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

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected to develop late this
afternoon across southeast North Dakota into west central
Minnesota. Some of these storms may become severe producing golf
ball sized hail and wind gusts to 60 mph. An isolated tornado
cannot be ruled out.

Other thunderstorms are expected to develop over Manitoba and move
southeast into northeast North Dakota and northwest Minnesota
tonight. A few of these storms may also become severe producing
large hail and damaging winds.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required.

In the hours before

Local storm report, Jul 6, 1:11 AM CDT, 2 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
111 AM CDT THU JUL 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1225 AM     TSTM WND GST     LANGDON                 48.76N 98.37W
07/06/2017  M68 MPH          CAVALIER           ND   AWOS

&&

JKAISER

Local storm report, Jul 6, 1:40 AM CDT, 2 hours 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
140 AM CDT THU JUL 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 AM     HAIL             ANETA                   47.68N 97.99W
07/06/2017  E1.25 INCH       NELSON             ND   PUBLIC

            RELAYED VIA SOCIAL MEDIA

&&

JKAISER

Local storm report, Jul 6, 1:46 AM CDT, 2 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
146 AM CDT THU JUL 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 AM     HAIL             4 SW ANETA              47.64N 98.05W
07/06/2017  E1.25 INCH       GRIGGS             ND   PUBLIC

            RELAYED VIA SOCIAL MEDIA

&&

JKAISER

Special weather statement, Jul 6, 2:24 AM CDT, 1 hour 23 minutes before

Special Weather Statement
National Weather Service Eastern ND/Grand Forks ND
224 AM CDT THU JUL 6 2017

MNZ002-015-017-022>024-027-028-060830-
West Becker MN-East Becker MN-Mahnomen MN-South Clearwater MN-
Norman MN-Hubbard MN-East Polk MN-South Beltrami MN-
224 AM CDT THU JUL 6 2017

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN HUBBARD...SOUTHEASTERN
NORMAN...SOUTHEASTERN POLK...SOUTH CENTRAL BELTRAMI...MAHNOMEN...
NORTHERN BECKER AND SOUTHERN CLEARWATER COUNTIES UNTIL 330 AM CDT...

At 224 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Winger to near Ogema. Movement was east at
40 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
these storms.

Strong thunderstorms will be near...
  Ogema around 230 AM CDT.
  White Earth around 235 AM CDT.
  Richwood around 240 AM CDT.
  Beaulieu around 245 AM CDT.
  Island Lake in Mahnomen County and Lengby around 250 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Grand Forks.

&&

A severe thunderstorm watch remains in effect until 500 AM CDT for
central, north central and northwestern Minnesota.

LAT...LON 4681 9507 4703 9610 4759 9607 4752 9555
      4750 9555 4750 9538 4743 9489 4680 9491
TIME...MOT...LOC 0724Z 290DEG 37KT 4751 9602 4709 9605

JK

Local storm report, Jul 6, 3:17 AM CDT, 30 minutes before

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Special weather statement, Jul 6, 3:47 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
Jul 6, 2:24 AM CDT	Special Weather Statement	FGF	Hubbard, Mahnomen	66 min
Jul 6, 2:53 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Beltrami, Clearwater, Hubbard, Mahnomen, Polk	52 min
Jul 5, 11:13 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Griggs, Steele	62 min
Jul 5, 11:54 PM CDT	Severe Thunderstorm Warning	FGF	Steele, Traill	66 min
Jul 6, 12:01 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	59 min
Jul 6, 12:09 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Steele, Traill	66 min
Jul 6, 12:15 AM CDT	Special Weather Statement	FGF	Cavalier, Pembina	60 min
Jul 6, 12:45 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Walsh	30 min
Jul 6, 1:11 AM CDT	Severe Thunderstorm Warning	FGF	Cass, Steele, Traill	64 min

Nearby

Special Weather Statements in Minnesota, 2017 Every special weather statement in 2017

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.