Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 76, NWS Bismarck, ND

June 26, 2012Golden Valley County, McKenzie County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 26, 2012, 5:40 PM MDT for Golden Valley County, McKenzie County, North Dakota. It was in force for 65 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 26, 2012, 5:40 PM MDT (23:40 UTC)
Expired: Jun 26, 2012, 6:45 PM MDT
In force: 65 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Golden Valley County, ND, McKenzie County, ND

What was reported inside it

Time	Report	Where	Remark
Jun 26, 5:55 PM MDT	HAIL 0.75	Arnegard, ND
Jun 26, 6:40 PM MDT	HAIL 1.75	14 S Watford City, ND	HAIL LASTED FROM 740 PM CDT TO 750 PM CDT. ALSO HAD VERY HEAVY RAIN AND WIND GUSTS TO 25 MPH. THIS WAS AT THE NORTH UNIT OF THEODORE ROOSEVELT NATIONAL PARK. CALLER REPORTED NO DAMAGE.

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 12:00Z, 11.7 hours before the alert went out and 233 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: 725 J/kg
Mixed-layer CIN: -540 J/kg
Mixed-layer LCL: 1210 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

415 
WUUS53 KBIS 262340
SVRBIS
NDC033-053-270045-
/O.NEW.KBIS.SV.W.0076.120626T2340Z-120627T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
540 PM MDT TUE JUN 26 2012

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCKENZIE COUNTY IN NORTHWEST NORTH DAKOTA
  NORTH CENTRAL GOLDEN VALLEY COUNTY IN SOUTHWEST NORTH DAKOTA

* UNTIL 645 PM MDT

* AT 537 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  TROTTERS...OR 56 MILES SOUTH OF WILLISTON...AND MOVING NORTHEAST AT
  45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SATHER DAM...THEODORE ROOSEVELT NATIONAL PARK NORTH...
  CHARBONNEAU...ALEXANDER...RAWSON...ARNEGARD AND WATFORD CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...TAKE SHELTER IN A STURDY
BUILDING...AND STAY AWAY FROM WINDOWS.

VERY HEAVY RAIN IS ALSO OCCURRING WITH THIS STORM. DO NOT DRIVE YOUR 
VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4790 10390 4804 10366 4798 10321 4775 10296
      4767 10303 4767 10310 4762 10309 4741 10331
      4732 10358 4733 10366 4730 10367 4724 10385
      4737 10403 4758 10404
TIME...MOT...LOC 2340Z 214DEG 40KT 4740 10386
WIND...HAIL 60MPH 1.00IN

$$

HEINERT

5 follow-up statements

802 
WWUS53 KBIS 262349
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
649 PM CDT TUE JUN 26 2012

NDC033-262358-
/O.CAN.KBIS.SV.W.0076.000000T0000Z-120627T0045Z/
GOLDEN VALLEY ND-
549 PM MDT TUE JUN 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL GOLDEN VALLEY
COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4758 10404 4790 10390 4804 10366 4802 10351
      4801 10351 4798 10321 4775 10296 4767 10303
      4767 10310 4762 10309 4741 10331 4732 10357
      4737 10403
TIME...MOT...LOC 2348Z 214DEG 40KT 4737 10357

$$

NDC053-270045-
/O.CON.KBIS.SV.W.0076.000000T0000Z-120627T0045Z/
MCKENZIE ND-
549 PM MDT TUE JUN 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MCKENZIE
COUNTY UNTIL 645 PM MDT...

AT 546 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER TO PING PONG BALL 
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED 15 MILES EAST OF TROTTERS...OR 50 MILES NORTHWEST OF 
DICKINSON...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  SATHER DAM...THEODORE ROOSEVELT NATIONAL PARK NORTH...
  CHARBONNEAU...ALEXANDER...RAWSON...ARNEGARD AND WATFORD CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THIS STORM. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

VERY HEAVY RAIN IS ALSO OCCURRING WITH THIS STORM. DO NOT DRIVE YOUR 
VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4758 10404 4790 10390 4804 10366 4802 10351
      4801 10351 4798 10321 4775 10296 4767 10303
      4767 10310 4762 10309 4741 10331 4732 10357
      4737 10403
TIME...MOT...LOC 2348Z 214DEG 40KT 4737 10357
WIND...HAIL 60MPH 1.50IN

$$

HEINERT

763 
WWUS53 KBIS 262352
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
652 PM CDT TUE JUN 26 2012

NDC053-270045-
/O.CON.KBIS.SV.W.0076.000000T0000Z-120627T0045Z/
MCKENZIE ND-
552 PM MDT TUE JUN 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MCKENZIE
COUNTY UNTIL 645 PM MDT...

AT 546 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TWO 
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER TO PING PONG BALL 
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THE FIRST STORM 
WAS LOCATED 8 MILES NORTHWEST OF FAIRFIELD...OR 37 MILES NORTHWEST 
OF DICKINSON...MOVING NORTHEAST AT 45 MPH. THE SECOND STORM WAS 
LOCATED NEAR ALEXANDER...ALSO MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  SATHER DAM...THEODORE ROOSEVELT NATIONAL PARK NORTH...
  CHARBONNEAU...ALEXANDER...RAWSON...ARNEGARD AND WATFORD CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THESE STORMS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

VERY HEAVY RAIN IS ALSO OCCURRING WITH THESE STORMS. DO NOT DRIVE 
YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4758 10404 4790 10390 4804 10366 4802 10351
      4801 10351 4798 10321 4775 10296 4767 10303
      4767 10310 4762 10309 4741 10331 4732 10357
      4737 10403
TIME...MOT...LOC 2351Z 214DEG 40KT 4729 10333
WIND...HAIL 60MPH 1.50IN

$$

HEINERT

042 
WWUS53 KBIS 270011
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
611 PM MDT TUE JUN 26 2012

NDC053-270045-
/O.CON.KBIS.SV.W.0076.000000T0000Z-120627T0045Z/
MCKENZIE ND-
611 PM MDT TUE JUN 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
MCKENZIE COUNTY UNTIL 645 PM MDT...

AT 604 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND 
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ACROSS 
CENTRAL MCKENZIE COUNTY...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  ALEXANDER...RAWSON...ARNEGARD AND WATFORD CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THESE STORMS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

VERY HEAVY RAIN IS ALSO OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4790 10390 4804 10366 4801 10351 4798 10321
      4775 10296 4767 10303 4767 10310 4762 10309
      4741 10331 4744 10357 4751 10389 4757 10398
TIME...MOT...LOC 0009Z 214DEG 40KT 4774 10349
WIND...HAIL 60MPH 1.00IN

$$

HEINERT

836 
WWUS53 KBIS 270038
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
738 PM CDT TUE JUN 26 2012

NDC053-270045-
/O.CON.KBIS.SV.W.0076.000000T0000Z-120627T0045Z/
MCKENZIE ND-
638 PM MDT TUE JUN 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
MCKENZIE COUNTY UNTIL 645 PM MDT...

AT 635 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS OF AROUND 60 MPH.  THESE STORMS
WERE EXTENDED FROM NEAR THE THEODORE ROOSEVELT NATIONAL PARK NORTH 
UNIT...TO 15 MILES NORTH OF WATFORD CITY. MOVEMENT WAS NORTHEAST 45 
MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY HEAVY RAIN IS ALSO OCCURRING WITH THESE STORMS.

&&

LAT...LON 4804 10366 4801 10351 4798 10321 4775 10296
      4767 10303 4767 10311 4762 10309 4741 10331
      4745 10353 4771 10369 4791 10384
TIME...MOT...LOC 0036Z 214DEG 40KT 4799 10324
WIND...HAIL 60MPH 1.00IN

$$

HEINERT

637 
WWUS53 KBIS 270046
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
746 PM CDT TUE JUN 26 2012

NDC053-270054-
/O.EXP.KBIS.SV.W.0076.000000T0000Z-120627T0045Z/
MCKENZIE ND-
646 PM MDT TUE JUN 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MCKENZIE COUNTY WILL
EXPIRE AT 745 PM CDT/645 PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LIMITS...HOWEVER...HAIL UP TO THE SIZE OF NICKELS IS STILL POSSIBLE 
IN PARTS OF MCKENZIE COUNTY. STORMS AROUND THE THEODORE ROOSEVELT 
NATIONAL PARK COULD STILL PRODUCE NICKEL SIZE HAIL AND VERY HEAVY 
RAIN. WIND GUSTS TO 35 MPH ARE ALSO POSSIBLE WITH THE STORMS.

LAT...LON 4804 10366 4801 10351 4798 10321 4775 10296
      4767 10303 4767 10311 4762 10309 4741 10331
      4745 10353 4771 10369 4791 10384
TIME...MOT...LOC 0044Z 214DEG 40KT 4806 10316

$$

HEINERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 2:45 AM MDT	Red Flag Warning	BIS	Billings, Bowman, Golden Valley, Slope	21 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2012 Every severe thunderstorm warning in 2012

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.