Alert archive / North Dakota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS Bismarck, ND

June 9, 2017Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 9, 2017, 9:13 PM CDT for Stutsman County, North Dakota. It was in force for 46 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: Jun 9, 2017, 9:13 PM CDT (02:13 UTC)
Expired: Jun 9, 2017, 9:59 PM CDT
In force: 46 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Stutsman County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 125 km from the middle of the area, began a volume at 02:18 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
Jun 9, 9:24 PM CDT	HAIL 2.5	Ypsilanti, ND	REPORT FROM SOCIAL MEDIA.
Jun 9, 9:30 PM CDT	HAIL 1.75	4 Se Ypsilanti, ND	GOLFBALL SIZED HAIL THE LARGEST, LOTS OF QUARTER SIZED HAIL. VERY LITTLE RAIN, PERHAPS A HUNDREDTH OF AN INCH.

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
Jun 9, 4:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.2 hours before the alert went out and 158 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: 1523 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 2862 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

221 
WUUS53 KBIS 100213
SVRBIS
NDC093-100315-
/O.NEW.KBIS.SV.W.0021.170610T0213Z-170610T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
913 PM CDT FRI JUN 9 2017

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Southeastern Stutsman County in southeastern North Dakota...

* Until 1015 PM CDT

* At 913 PM CDT, a severe thunderstorm was located near Ypsilanti, or
  7 miles south of Jamestown, moving east at 30 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* This severe thunderstorm will be near,
  Ypsilanti around 920 PM CDT. 
  Spiritwood around 930 PM CDT. 

Other locations impacted by this severe thunderstorm include Sydney
and Millarton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9889 4695 9878 4707 9847 4698 9847
      4698 9844 4663 9844
TIME...MOT...LOC 0213Z 261DEG 26KT 4681 9865 

HAIL...1.25IN
WIND...60MPH
 
$$

CJS

3 follow-up statements

802 
WWUS53 KBIS 100234
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
934 PM CDT FRI JUN 9 2017

NDC093-100315-
/O.CON.KBIS.SV.W.0021.000000T0000Z-170610T0315Z/
Stutsman ND-
934 PM CDT FRI JUN 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR SOUTHEASTERN STUTSMAN COUNTY...

At 934 PM CDT, a severe thunderstorm was located near Ypsilanti, or
15 miles southeast of Jamestown, moving east at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

This severe thunderstorm will remain over mainly rural areas of 
southeastern Stutsman County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9873 4685 9866 4692 9844 4663 9844
TIME...MOT...LOC 0234Z 267DEG 22KT 4675 9849 

HAIL...1.25IN
WIND...60MPH
 
$$

CJS

328 
WWUS53 KBIS 100241
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
941 PM CDT FRI JUN 9 2017

NDC093-100315-
/O.CON.KBIS.SV.W.0021.000000T0000Z-170610T0315Z/
Stutsman ND-
941 PM CDT FRI JUN 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR SOUTHEASTERN STUTSMAN COUNTY...

At 940 PM CDT, a severe thunderstorm was located near Ypsilanti, or
15 miles southeast of Jamestown, moving east at 20 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts. 

SOURCE...Trained weather spotters. At 930 PM CDT, golf ball size 
         hail was reported 4 miles southeast of Ypsilanti. 

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 
southeastern Stutsman County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9868 4683 9861 4689 9844 4663 9844
TIME...MOT...LOC 0240Z 263DEG 18KT 4675 9848 

HAIL...1.75IN
WIND...60MPH
 
$$

CJS

297 
WWUS53 KBIS 100259
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
959 PM CDT FRI JUN 9 2017

NDC093-100308-
/O.CAN.KBIS.SV.W.0021.000000T0000Z-170610T0315Z/
Stutsman ND-
959 PM CDT FRI JUN 9 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STUTSMAN COUNTY
IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 4663 9868 4683 9861 4689 9844 4663 9844
TIME...MOT...LOC 0258Z 261DEG 26KT 4677 9828 

$$

CJS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 7:00 PM CDT	Severe Thunderstorm Warning	BIS	Pierce	15 min
Jun 9, 7:16 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Stutsman, Wells	59 min
Jun 9, 7:53 PM CDT	Special Weather Statement	BIS	Logan	37 min
Jun 9, 8:14 PM CDT	Severe Thunderstorm Warning	BIS	Foster	61 min
Jun 9, 8:20 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	55 min
Jun 9, 8:41 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	37 min
Jun 10, 12:17 AM CDT	Special Weather Statement	BIS	Stark	28 min
Jun 10, 12:33 AM CDT	Severe Thunderstorm Warning	BIS	Mercer, Morton, Stark	57 min
Jun 10, 1:18 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Morton, Oliver	57 min
Jun 10, 2:21 AM CDT	Special Weather Statement	BIS	Kidder	39 min
Jun 10, 2:30 AM CDT	Special Weather Statement	BIS	Stark	30 min
Jun 10, 3:02 AM CDT	Special Weather Statement	BIS	Foster	43 min
Jun 10, 3:03 AM CDT	Special Weather Statement	BIS	Mercer	27 min
Jun 10, 3:34 AM CDT	Special Weather Statement	BIS	Mercer, Oliver	26 min
Jun 10, 3:39 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Oliver, Sheridan	51 min
Jun 10, 4:22 AM CDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Sheridan, Wells	53 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2017 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.