Alert archive / North Dakota / Special Weather Statements in 2018

Special Weather Statement, NWS Bismarck, ND

July 19, 2018Ward County, North Dakota

NWS Bismarck, ND issued this special weather statement at Jul 19, 2018, 7:45 PM CDT for Ward County, North Dakota. It was in force for 30 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 19, 2018, 7:45 PM CDT (00:45 UTC)
Expired: Jul 19, 2018, 8:15 PM CDT
In force: 30 min
Issued by: NWS Bismarck, ND

County Ward County, ND

The radar

The Minot AFB radar (KMBX), 32 km from the middle of the area, began a volume at 00:45 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.8 hours before the alert went out and 165 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: 544 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 2227 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Bismarck, ND wrote its last area forecast discussion before this special weather statement went out at Jul 19, 6:42 PM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, Jul 19, 6:42 PM CDT, 1 hour 3 minutes before

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Hazardous weather outlook, Jul 19, 6:43 PM CDT, 1 hour 2 minutes before

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In the hours before

Special weather statement, Jul 19, 4:28 PM CDT, 3 hours 17 minutes before

Special Weather Statement
National Weather Service Bismarck ND
428 PM CDT THU JUL 19 2018

NDZ011-021-192200-
Ward ND-McLean ND-
428 PM CDT THU JUL 19 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL WARD AND NORTH
CENTRAL MCLEAN COUNTIES UNTIL 500 PM CDT...

At 428 PM CDT, a strong thunderstorm was located 6 miles north of
Roseglen, or 25 miles northwest of Garrison, moving east at 30 mph.

Half inch hail will be possible with this storm.

Locations impacted include...
Douglas and Roseglen.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek shelter
inside a building or vehicle.

&&

LAT...LON 4786 10135 4760 10148 4778 10201 4785 10198
      4785 10187 4794 10187
TIME...MOT...LOC 2128Z 289DEG 27KT 4784 10187

ABELING

Local storm report, Jul 19, 5:08 PM CDT, 2 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
508 PM CDT THU JUL 19 2018

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

0502 PM     HAIL             1 N NAPOLEON            46.52N 99.77W
07/19/2018  M1.00 INCH       LOGAN              ND   LAW ENFORCEMENT

            ON HIGHWAY 3.

&&

Special weather statement, Jul 19, 5:36 PM CDT, 2 hours 9 minutes before

Special Weather Statement
National Weather Service Bismarck ND
536 PM CDT THU JUL 19 2018

NDZ019-033-034-041-042-192315-
Grant ND-Hettinger ND-Stark ND-Mercer ND-Morton ND-
536 PM CDT THU JUL 19 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN
HETTINGER...NORTHWESTERN MORTON...EASTERN STARK...SOUTHWESTERN MERCER
AND NORTHWESTERN GRANT COUNTIES UNTIL 615 PM CDT/515 PM MDT/...

At 536 PM CDT/436 PM MDT/, strong thunderstorms were clustered along
a line extending from 8 miles north of Hebron to 14 miles north of
Mott. Movement was southeast at 20 mph.

Penny size hail will be possible with these storms.

Locations impacted include...
Glen Ullin, Hebron and Richardton.

LAT...LON 4653 10225 4652 10225 4653 10226 4660 10251
      4701 10224 4701 10214 4714 10215 4717 10213
      4710 10176 4698 10176 4672 10172 4644 10195
TIME...MOT...LOC 2236Z 299DEG 19KT 4703 10204 4659 10233

HOLLAN

Special weather statement, Jul 19, 6:12 PM CDT, 1 hour 33 minutes before

Special Weather Statement
National Weather Service Bismarck ND
612 PM CDT THU JUL 19 2018

NDZ025-200000-
Foster ND-
612 PM CDT THU JUL 19 2018

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL FOSTER COUNTY UNTIL 700
PM CDT...

At 611 PM CDT, a strong thunderstorm was located 7 miles west of
Grace City, or 11 miles northeast of Carrington, moving south at 20
mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Bordulac and Grace City.

Very heavy rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4733 9903 4759 9904 4759 9878 4733 9862
TIME...MOT...LOC 2311Z 348DEG 16KT 4758 9897

HOLLAN

Special weather statement, Jul 19, 6:18 PM CDT, 1 hour 27 minutes before

Special Weather Statement
National Weather Service Bismarck ND
618 PM CDT THU JUL 19 2018

NDZ019-020-034-041-042-044-200000-
Grant ND-Hettinger ND-Oliver ND-Mercer ND-Adams ND-Morton ND-
618 PM CDT THU JUL 19 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT PORTIONS OF
HETTINGER...MORTON...OLIVER...MERCER...GRANT AND ADAMS COUNTIES
UNTIL 700 PM CDT/600 PM MDT/...

At 617 PM CDT/517 PM MDT/, strong thunderstorms were clustered along
a line extending from 11 miles northeast of Glen Ullin to 8 miles
southwest of Almont to 5 miles south of Regent. Movement was
southeast at 30 mph.

Nickel size hail and wind gusts to 40 mph will be possible with these
storms.

Locations impacted include...
Glen Ullin, Mott, Elgin, New Salem, Hebron, Carson, Flasher, New
Leipzig, Regent, Almont, Heart Butte Dam, Fish Creek Dam, Judson,
Burt, Lark, Raleigh, Leith, Heil, Bentley and Sweet Briar Lake.

Very heavy rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4707 10122 4637 10104 4605 10236 4644 10271
      4655 10205 4706 10204
TIME...MOT...LOC 2317Z 302DEG 25KT 4695 10171 4661 10157 4634 10255

HOLLAN

Special weather statement, Jul 19, 7:45 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 7:09 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	66 min
Jul 19, 8:22 PM CDT	Special Weather Statement	BIS	Emmons, Grant, Sioux	53 min
Jul 19, 8:36 PM CDT	Special Weather Statement	BIS	Foster	54 min
Jul 19, 8:53 PM CDT	Severe Thunderstorm Warning	BIS	Sheridan	67 min
Jul 19, 9:04 PM CDT	Special Weather Statement	BIS	Sheridan	41 min
Jul 19, 9:41 PM CDT	Special Weather Statement	BIS	Burleigh	49 min
Jul 19, 9:59 PM CDT	Special Weather Statement	BIS	Stutsman	46 min
Jul 19, 10:45 PM CDT	Special Weather Statement	BIS	Sheridan	45 min
Jul 19, 10:54 PM CDT	Areal Flood Advisory	BIS	Stutsman	5 hr

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.