Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 92, NWS Bismarck, ND

July 8, 2021Billings County, Stark County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 8, 2021, 5:51 PM MDT for Billings County, Stark County, North Dakota. It was in force for 54 min. 1 report 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, 5:51 PM MDT (23:51 UTC)
Expired: Jul 8, 2021, 6:45 PM MDT
In force: 54 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Billings County, ND, Stark County, ND

The radar

The Bismarck radar (KBIS), 199 km from the middle of the area, began a volume at 23:50 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, 6:39 PM MDT	HAIL 1.75	7 S South Fairfield, ND	GOLF BALL SIZED HAIL LASTED FOR ABOUT 7 MINUTES.

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 204 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.

490 
WUUS53 KBIS 082351
SVRBIS
NDC007-089-090045-
/O.NEW.KBIS.SV.W.0092.210708T2351Z-210709T0045Z/

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

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Northern Billings County in southwestern North Dakota...
  Northwestern Stark County in southwestern North Dakota...

* Until 645 PM MDT.

* At 551 PM MDT, a severe thunderstorm was located 9 miles west of
  South Fairfield, or 31 miles northeast of Beach, 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4721 10352 4725 10303 4688 10303 4706 10356
TIME...MOT...LOC 2351Z 267DEG 19KT 4712 10340 

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

HOLLAN

2 follow-up statements

671 
WWUS53 KBIS 090009
SVSBIS

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

NDC007-089-090045-
/O.CON.KBIS.SV.W.0092.000000T0000Z-210709T0045Z/
Billings ND-Stark ND-
609 PM MDT Thu Jul 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM MDT
FOR NORTHEASTERN BILLINGS AND NORTHWESTERN STARK COUNTIES...

At 609 PM MDT, a severe thunderstorm was located near South
Fairfield, or 23 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 4719 10342 4725 10303 4688 10303 4702 10346
TIME...MOT...LOC 0009Z 277DEG 24KT 4708 10318 

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

HOLLAN

217 
WWUS53 KBIS 090025
SVSBIS

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

NDC007-089-090045-
/O.CON.KBIS.SV.W.0092.000000T0000Z-210709T0045Z/
Billings ND-Stark ND-
625 PM MDT Thu Jul 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM MDT
FOR NORTHEASTERN BILLINGS AND NORTHWESTERN STARK COUNTIES...

At 625 PM MDT, a severe thunderstorm was located near South
Fairfield, or 21 miles northwest of Dickinson, moving east at 15 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 4719 10342 4725 10303 4688 10303 4702 10346
TIME...MOT...LOC 0025Z 268DEG 15KT 4708 10314 

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, 5:52 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie	68 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.