Alert archive / North Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 101, NWS Bismarck, ND

July 6, 2016Bowman County, Slope County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 6, 2016, 3:50 PM MDT for Bowman County, Slope County, North Dakota. It was in force for 55 min. 4 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 6, 2016, 3:50 PM MDT (21:50 UTC)
Expired: Jul 6, 2016, 4:45 PM MDT
In force: 55 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Bowman County, ND, Slope County, ND

The radar

The Bismarck radar (KBIS), 236 km from the middle of the area, began a volume at 21:51 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 6, 3:55 PM MDT	HAIL 1	5 W Marmarth, ND	HAIL COVERING THE GROUND. WINDS ESTIMATED TO BE 50 MPH.
Jul 6, 3:55 PM MDT	HAIL 1	5 W Marmarth, ND	HAIL COVERING THE GROUND. WINDS ESTIMATED TO BE 50 MPH.
Jul 6, 4:35 PM MDT	HAIL 1	13 Nne Rhame, ND	MOSTLY PEA SIZED HAIL COVERED THE GROUND WITH A FEW QUARTER SIZED HAIL.
Jul 6, 4:40 PM MDT	HAIL 1	13 Nne Rhame, ND	MOSTLY PEA SIZED HAIL COVERED THE GROUND WITH A FEW QUARTER SIZED HAIL.

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 6, 12:55 PM MDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.8 hours before the alert went out and 241 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: -272 J/kg
Mixed-layer LCL: 1523 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: -21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

631 
WUUS53 KBIS 062150
SVRBIS
NDC011-087-062245-
/O.NEW.KBIS.SV.W.0101.160706T2150Z-160706T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
350 PM MDT WED JUL 6 2016

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BOWMAN COUNTY IN SOUTHWESTERN NORTH DAKOTA...
  WESTERN SLOPE COUNTY IN SOUTHWESTERN NORTH DAKOTA...

* UNTIL 445 PM MDT

* AT 350 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTHWEST
  OF MARMARTH...OR 9 MILES EAST OF BAKER...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 BE NEAR...
  MARMARTH AROUND 405 PM MDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE PRETTY
BUTTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4650 10405 4660 10348 4626 10339 4617 10405
TIME...MOT...LOC 2150Z 257DEG 21KT 4635 10408 

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

ACOOP

2 follow-up statements

081 
WWUS53 KBIS 062202
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
402 PM MDT WED JUL 6 2016

NDC011-087-062245-
/O.CON.KBIS.SV.W.0101.000000T0000Z-160706T2245Z/
BOWMAN ND-SLOPE ND-
402 PM MDT WED JUL 6 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR NORTHWESTERN BOWMAN AND WESTERN SLOPE COUNTIES...

AT 401 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTHWEST
OF MARMARTH...OR 13 MILES EAST OF BAKER...MOVING EAST AT 25 MPH.

HAZARD...70 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS...AND OUTBUILDINGS. 

THIS SEVERE STORM WILL BE NEAR...
  MARMARTH AROUND 405 PM MDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE PRETTY
BUTTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4650 10405 4660 10348 4626 10339 4617 10405
TIME...MOT...LOC 2201Z 257DEG 21KT 4637 10399 

HAIL...1.25IN
WIND...70MPH
 
$$

ACOOP

577 
WWUS53 KBIS 062214
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
414 PM MDT WED JUL 6 2016

NDC011-087-062245-
/O.CON.KBIS.SV.W.0101.000000T0000Z-160706T2245Z/
BOWMAN ND-SLOPE ND-
414 PM MDT WED JUL 6 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR NORTHWESTERN BOWMAN AND WESTERN SLOPE COUNTIES...

AT 413 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTH OF
MARMARTH...OR 18 MILES EAST OF BAKER...MOVING EAST AT 25 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS...AND OUTBUILDINGS. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN BOWMAN AND WESTERN SLOPE COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS: PRETTY BUTTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4650 10405 4660 10348 4626 10339 4617 10405
TIME...MOT...LOC 2213Z 257DEG 21KT 4639 10389 

HAIL...1.00IN
WIND...70MPH
 
$$

ACOOP/CK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 7:12 PM MDT	Special Weather Statement	BIS	Wells	18 min
Jul 5, 7:17 PM MDT	Special Weather Statement	BIS	Burke	28 min
Jul 5, 7:47 PM MDT	Special Weather Statement	BIS	Foster	28 min
Jul 6, 2:34 PM MDT	Severe Thunderstorm Warning	BIS	Golden Valley	56 min
Jul 6, 3:06 PM MDT	Special Weather Statement	BIS	Bowman, Slope	39 min
Jul 6, 3:22 PM MDT	Special Weather Statement	BIS	Billings	38 min
Jul 6, 3:40 PM MDT	Special Weather Statement	BIS	Billings, Bowman, Golden Valley, Slope	50 min
Jul 6, 4:27 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Slope	63 min
Jul 6, 5:08 PM MDT	Special Weather Statement	BIS	Hettinger	52 min
Jul 6, 5:39 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Morton, Sioux, Stark	51 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2016 Every severe thunderstorm warning in 2016

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.