Alert archive / North Dakota / Special Weather Statements in 2021

Special Weather Statement, NWS Bismarck, ND

June 27, 2021Morton County, North Dakota

NWS Bismarck, ND issued this special weather statement at Jun 27, 2021, 1:32 PM CDT for Morton County, North Dakota. It was in force for 13 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 27, 2021, 1:32 PM CDT (18:32 UTC)
Expired: Jun 27, 2021, 1:45 PM CDT
In force: 13 min
Issued by: NWS Bismarck, ND

County Morton County, ND

The radar

The Bismarck radar (KBIS), 12 km from the middle of the area, began a volume at 18:35 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 12:00Z, 6.5 hours before the alert went out and 16 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: 204 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1015 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 3 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 Bismarck, ND wrote its last area forecast discussion before this special weather statement went out at Jun 27, 12:44 PM CDT, 48 minutes earlier.

Area forecast discussion, Jun 27, 12:44 PM CDT, 48 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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Hazardous weather outlook, Jun 27, 12:45 PM CDT, 47 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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      <p id="message1">
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In the hours before

Special weather statement, Jun 27, 1:00 PM CDT, 32 minutes before

Special Weather Statement
National Weather Service Bismarck ND
100 PM CDT Sun Jun 27 2021

NDZ019-020-034-271815-
Oliver ND-Mercer ND-Morton ND-
100 PM CDT Sun Jun 27 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MORTON...
SOUTHWESTERN OLIVER AND SOUTH CENTRAL MERCER COUNTIES UNTIL 115 PM
CDT...

At 1259 PM CDT, a strong thunderstorm was located 13 miles south of
Beulah, moving southeast at 25 mph.

Penny size hail and wind gusts to 40 mph will be possible with this
storm.

This storm will remain over mainly rural areas of northwestern
Morton, southwestern Oliver and south central Mercer Counties.

LAT...LON 4708 10197 4717 10183 4697 10153 4688 10183
TIME...MOT...LOC 1759Z 326DEG 21KT 4708 10186

HAMILTON

Special weather statement, Jun 27, 1:32 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Bismarck ND
132 PM CDT Sun Jun 27 2021

NDZ034-271845-
Morton ND-
132 PM CDT Sun Jun 27 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN MORTON COUNTY UNTIL
145 PM CDT...

At 130 PM CDT, a strong thunderstorm was located over Mandan, moving
south at 25 mph.

Penny size hail and wind gusts to 40 mph will be possible with this
storm.

Locations impacted include...
Mandan and Fort Abraham Lincoln State Park.

This storm may clip far western portions of Bismarck, right along
the River.

Very heavy rainfall is also occurring with this storm. Do not drive
your vehicle through flooded roadways.

&&

LAT...LON 4691 10100 4692 10091 4689 10090 4687 10088
      4684 10086 4681 10082 4679 10082 4677 10084
      4674 10083 4672 10096
TIME...MOT...LOC 1830Z 338DEG 21KT 4683 10092

HAMILTON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 1:00 PM CDT	Special Weather Statement	BIS	Mercer	15 min
Jun 27, 2:40 PM CDT	Special Weather Statement	BIS	Dickey	20 min
Jun 27, 3:29 PM CDT	Special Weather Statement	BIS	McIntosh	16 min
Jun 27, 4:33 PM CDT	Special Weather Statement	BIS	Renville	27 min
Jun 27, 4:48 PM CDT	Special Weather Statement	BIS	Burke	27 min
Jun 27, 4:53 PM CDT	Special Weather Statement	BIS	Renville	22 min
Jun 27, 5:13 PM CDT	Special Weather Statement	BIS	Mountrail	17 min
Jun 27, 5:23 PM CDT	Special Weather Statement	BIS	Renville	22 min
Jun 27, 5:32 PM CDT	Special Weather Statement	BIS	Mountrail	28 min
Jun 27, 5:43 PM CDT	Special Weather Statement	BIS	Renville	32 min
Jun 27, 5:59 PM CDT	Special Weather Statement	BIS	Mountrail	31 min
Jun 27, 6:01 PM CDT	Special Weather Statement	BIS	Renville	29 min

Nearby

Special Weather Statements in North Dakota, 2021 Every special weather statement in 2021

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.