Alert archive / North Dakota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Bismarck, ND

June 1, 2015Dunn County, Mercer County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 1, 2015, 8:51 PM MDT for Dunn County, Mercer County, North Dakota. It was in force for 54 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 1, 2015, 8:51 PM MDT (02:51 UTC)
Expired: Jun 1, 2015, 9:45 PM MDT
In force: 54 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Dunn County, ND, Mercer County, ND

The radar

The Bismarck radar (KBIS), 127 km from the middle of the area, began a volume at 02:54 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 1, 9:30 PM MDT	TSTM WND GST 60	5 S Twin Buttes, ND	ALSO HAD HAIL A LITTLE LARGER THAN PEA SIZE. TOO DARK TO DETERMINE IF THERE WAS ANY DAMAGE. CALLER WILL CALL BACK TUESDAY IF THERE IS DAMAGE.
Jun 1, 9:41 PM MDT	TSTM WND GST 59	5 Ne Golden Valley, ND	THUNDERSTORM WIND GUST

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

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.9 hours before the alert went out and 131 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: 200 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 1974 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

601 
WUUS53 KBIS 020251
SVRBIS
NDC025-057-020345-
/O.NEW.KBIS.SV.W.0021.150602T0251Z-150602T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
951 PM CDT MON JUN 1 2015

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL DUNN COUNTY IN SOUTHWESTERN NORTH DAKOTA...
  NORTHWESTERN MERCER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...

* UNTIL 1045 PM CDT/945 PM MDT/

* AT 950 PM CDT /850 PM MDT/...A SEVERE THUNDERSTORM WAS LOCATED 6
  MILES SOUTHEAST OF MCKENZIE BAY RECREATION AREA...OR 23 MILES
  NORTHEAST OF KILLDEER...MOVING SOUTHEAST AT 20 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...
  GOLDEN VALLEY AROUND 1040 PM CDT.
  ZAP AROUND 1045 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE TWIN
BUTTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4745 10246 4757 10220 4758 10209 4755 10202
      4753 10202 4754 10199 4743 10167 4716 10194
      4731 10216
TIME...MOT...LOC 0250Z 300DEG 19KT 4751 10231 

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

JONES

3 follow-up statements

432 
WWUS53 KBIS 020306
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1006 PM CDT MON JUN 1 2015

NDC025-057-020345-
/O.CON.KBIS.SV.W.0021.000000T0000Z-150602T0345Z/
DUNN ND-MERCER ND-
1006 PM CDT MON JUN 1 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM
CDT/945 PM MDT/ FOR EAST CENTRAL DUNN AND NORTHWESTERN MERCER
COUNTIES...

AT 1006 PM CDT /906 PM MDT/...A SEVERE THUNDERSTORM WAS LOCATED 10
MILES NORTHEAST OF HALLIDAY...OR 24 MILES NORTHWEST OF BEULAH...
MOVING SOUTHEAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  GOLDEN VALLEY AROUND 1040 PM CDT.
  ZAP AROUND 1045 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE TWIN
BUTTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4742 10235 4751 10232 4756 10220 4755 10209
      4754 10204 4753 10202 4753 10200 4743 10167
      4716 10194 4731 10216
TIME...MOT...LOC 0306Z 300DEG 19KT 4747 10220 

HAIL...1.00IN
WIND...60MPH
 
$$

JONES

045 
WWUS53 KBIS 020326
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1026 PM CDT MON JUN 1 2015

NDC025-057-020345-
/O.CON.KBIS.SV.W.0021.000000T0000Z-150602T0345Z/
DUNN ND-MERCER ND-
1026 PM CDT MON JUN 1 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM
CDT/945 PM MDT/ FOR EAST CENTRAL DUNN AND NORTHWESTERN MERCER
COUNTIES...

AT 1025 PM CDT /925 PM MDT/...A SEVERE THUNDERSTORM WAS LOCATED 8
MILES NORTH OF GOLDEN VALLEY...OR 17 MILES NORTHWEST OF BEULAH...
MOVING SOUTHEAST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  ZAP AND GOLDEN VALLEY AROUND 1045 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE TWIN
BUTTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND 
LIGHTNING ARE OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. 
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN 
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD 
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED 
ROADWAYS.

&&

LAT...LON 4742 10235 4751 10232 4756 10220 4755 10209
      4754 10204 4753 10202 4753 10200 4743 10167
      4716 10194 4731 10216
TIME...MOT...LOC 0325Z 310DEG 15KT 4741 10207 

HAIL...1.00IN
WIND...60MPH
 
$$

HEINERT

661 
WWUS53 KBIS 020346
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1046 PM CDT MON JUN 1 2015

NDC025-057-020355-
/O.EXP.KBIS.SV.W.0021.000000T0000Z-150602T0345Z/
DUNN ND-MERCER ND-
1046 PM CDT MON JUN 1 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DUNN AND
NORTHWESTERN MERCER COUNTIES HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED. THEREFORE THE 
WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL....GUSTY 
WINDS AND HEAVY RAIN ARE STILL LIKELY WITH THIS THUNDERSTORM.

LAT...LON 4742 10235 4751 10232 4756 10220 4755 10209
      4754 10204 4753 10202 4753 10200 4743 10167
      4716 10194 4731 10216
TIME...MOT...LOC 0344Z 300DEG 19KT 4741 10207 

$$

HEINERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 6:21 PM MDT	Special Weather Statement	BIS	Bottineau	39 min
Jun 1, 6:47 PM MDT	Severe Thunderstorm Warning	BIS	Bottineau	43 min
Jun 1, 7:25 PM MDT	Special Weather Statement	BIS	McLean	50 min
Jun 1, 7:35 PM MDT	Special Weather Statement	BIS	Rolette	40 min
Jun 1, 7:49 PM MDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	56 min
Jun 1, 8:32 PM MDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	32 min
Jun 1, 9:59 PM MDT	Special Weather Statement	BIS	Mercer, Oliver	31 min
Jun 1, 10:04 PM MDT	Special Weather Statement	BIS	Dunn	26 min
Jun 1, 10:46 PM MDT	Special Weather Statement	BIS	Dunn, Mercer, Oliver	44 min
Jun 1, 11:12 PM MDT	Special Weather Statement	BIS	Oliver	48 min
Jun 1, 11:28 PM MDT	Areal Flood Advisory	BIS	Dunn, McLean, Mercer, Oliver	8 hr
Jun 2, 12:27 AM MDT	Special Weather Statement	BIS	Billings, Golden Valley	48 min
Jun 2, 4:11 AM MDT	Special Weather Statement	BIS	Logan	49 min
Jun 2, 1:43 PM MDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	62 min
Jun 2, 2:16 PM MDT	Special Weather Statement	BIS	Dunn	44 min
Jun 2, 2:34 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Stark	56 min
Jun 2, 2:43 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie, McLean, Mountrail	62 min
Jun 2, 2:52 PM MDT	Severe Thunderstorm Warning	BIS	Emmons	53 min
Jun 2, 3:25 PM MDT	Tornado Warning	BIS	Morton, Stark	35 min
Jun 2, 3:48 PM MDT	Severe Thunderstorm Warning	BIS	Morton	57 min
Jun 2, 3:53 PM MDT	Special Weather Statement	BIS	Mountrail	52 min
Jun 2, 4:07 PM MDT	Tornado Warning	BIS	McLean	23 min
Jun 2, 4:44 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Morton, Sioux	61 min
Jun 2, 5:36 PM MDT	Special Weather Statement	BIS	Foster	39 min
Jun 2, 5:39 PM MDT	Severe Thunderstorm Warning	BIS	Emmons, Morton, Sioux	66 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2015 Every severe thunderstorm warning in 2015

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.