Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 93, NWS Bismarck, ND

July 8, 2021Billings County, Dunn County, McKenzie County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 8, 2021, 5:52 PM MDT for Billings County, Dunn County, McKenzie County, North Dakota. It was in force for 68 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 8, 2021, 5:52 PM MDT (23:52 UTC)
Expired: Jul 8, 2021, 7:00 PM MDT
In force: 68 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Billings County, ND, Dunn County, ND, McKenzie County, ND

The radar

The Bismarck radar (KBIS), 190 km from the middle of the area, began a volume at 23:56 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.

What was reported inside it

Time	Report	Where	Remark
Jul 8, 6:40 PM MDT	TSTM WND GST 60	4 Ssw Grassy Butte, ND
Jul 8, 6:44 PM MDT	HAIL 1	8 Nw New Hradec, ND

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 8, 3:38 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.9 hours before the alert went out and 195 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: 10 J/kg
Mixed-layer CIN: -299 J/kg
Mixed-layer LCL: 873 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

971 
WUUS53 KBIS 082352
SVRBIS
NDC007-025-053-090100-
/O.NEW.KBIS.SV.W.0093.210708T2352Z-210709T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
552 PM MDT Thu Jul 8 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Southwestern Dunn County in southwestern North Dakota...
  Northeastern Billings County in southwestern North Dakota...
  South central McKenzie County in northwestern North Dakota...

* Until 700 PM MDT.

* At 552 PM MDT, a severe thunderstorm was located 5 miles south of
  Grassy Butte, or 22 miles west of Killdeer, moving east at 20 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  southwestern Dunn, northeastern Billings and south central McKenzie
  Counties, including the following locations... Fairfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4726 10342 4749 10335 4745 10287 4713 10288
      4699 10303
TIME...MOT...LOC 2352Z 276DEG 18KT 4731 10322 

HAIL...1.50IN
WIND...60MPH
 
$$

HOLLAN

2 follow-up statements

779 
WWUS53 KBIS 090008
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
608 PM MDT Thu Jul 8 2021

NDC053-090017-
/O.CAN.KBIS.SV.W.0093.000000T0000Z-210709T0100Z/
McKenzie ND-
608 PM MDT Thu Jul 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MCKENZIE COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
southwestern and northwestern North Dakota.

LAT...LON 4723 10334 4733 10332 4732 10287 4713 10288
      4699 10303
TIME...MOT...LOC 0007Z 276DEG 18KT 4730 10310 

$$

NDC007-025-090100-
/O.CON.KBIS.SV.W.0093.000000T0000Z-210709T0100Z/
Dunn ND-Billings ND-
608 PM MDT Thu Jul 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR SOUTHWESTERN DUNN AND NORTHEASTERN BILLINGS COUNTIES...

At 607 PM MDT, a severe thunderstorm was located 9 miles southeast of
Grassy Butte, or 17 miles west of Killdeer, moving east at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
South Fairfield and Fairfield. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4723 10334 4733 10332 4732 10287 4713 10288
      4699 10303
TIME...MOT...LOC 0007Z 276DEG 18KT 4730 10310 

HAIL...1.50IN
WIND...60MPH
 
$$

HOLLAN

833 
WWUS53 KBIS 090039
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
639 PM MDT Thu Jul 8 2021

NDC007-025-090100-
/O.CON.KBIS.SV.W.0093.000000T0000Z-210709T0100Z/
Dunn ND-Billings ND-
639 PM MDT Thu Jul 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR SOUTHWESTERN DUNN AND NORTHEASTERN BILLINGS COUNTIES...

At 639 PM MDT, a severe thunderstorm was located 9 miles southeast of
South Fairfield, or 16 miles northwest of Dickinson, moving east at
25 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
South Fairfield and Fairfield. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4723 10334 4733 10332 4732 10287 4713 10288
      4699 10303
TIME...MOT...LOC 0039Z 277DEG 22KT 4705 10304 

HAIL...1.50IN
WIND...60MPH
 
$$

EDWARDS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 5:43 AM MDT	Special Weather Statement	BIS	Divide	47 min
Jul 8, 6:26 AM MDT	Special Weather Statement	BIS	Divide	49 min
Jul 8, 7:16 AM MDT	Special Weather Statement	BIS	Burke	29 min
Jul 8, 3:34 PM MDT	Severe Thunderstorm Warning	BIS	Divide	41 min
Jul 8, 4:00 PM MDT	Severe Thunderstorm Warning	BIS	Divide, Williams	60 min
Jul 8, 4:36 PM MDT	Severe Thunderstorm Warning	BIS	Williams	54 min
Jul 8, 4:38 PM MDT	Severe Thunderstorm Warning	BIS	Slope	52 min
Jul 8, 4:51 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	54 min
Jul 8, 4:53 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	37 min
Jul 8, 5:28 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	47 min
Jul 8, 5:28 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Slope	62 min
Jul 8, 5:34 PM MDT	Special Weather Statement	BIS	Stark	11 min
Jul 8, 5:38 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie	37 min
Jul 8, 5:51 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Stark	54 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2021 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.