Alert archive / North Dakota / Tornado Warnings in 2018

Tornado Warning 9, NWS Bismarck, ND

June 1, 2018Mercer County, Morton County, Oliver County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 1, 2018, 5:54 PM CDT for Mercer County, Morton County, Oliver County, North Dakota. It was in force for 36 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: Jun 1, 2018, 5:54 PM CDT (22:54 UTC)
Expired: Jun 1, 2018, 6:30 PM CDT
In force: 36 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

Counties Mercer County, ND, Morton County, ND, Oliver County, ND

The radar

The Bismarck radar (KBIS), 94 km from the middle of the area, began a volume at 22:58 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, 5:55 PM CDT	TORNADO	Hebron, ND	TORNADO CLIPPED THE SOUTHEAST CORNER OF THE CITY OF HEBRON, WITHIN CITY LIMITS, AS IT MOVED NORTH. MINOR DAMAGE TO TREES IN A TREE ROW. NO OTHER DAMAGE REPORTED. VIDEO OF THE TORNADO WAS SENT TO THE NWS AND WE TALKED AT LENGTH WITH THE EYE WITNESS / VIDEOGRAPH
Jun 1, 6:07 PM CDT	TORNADO	5 N Hebron, ND
Jun 1, 6:20 PM CDT	TSTM WND DMG	5 Ese Hebron, ND	SEMI FLIPPED OVER ON INTERSTATE 94 BETWEEN MILE MARKER 102 AND 104.
Jun 1, 6:25 PM CDT	TORNADO	7 N Hebron, ND	TORNADO LOOKS TO BE FAIRLY LARGE. 5 TO 10 MILES NORTH OF HEBRON. REPORTED BY A STORM CHASER.

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 1, 3:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.9 hours before the alert went out and 99 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1549 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 438 m²/s²
0-3 km storm-relative helicity: 623 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

661 
WFUS53 KBIS 012254
TORBIS
NDC057-059-065-012330-
/O.NEW.KBIS.TO.W.0009.180601T2254Z-180601T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Bismarck ND
554 PM CDT FRI JUN 1 2018

The National Weather Service in Bismarck has issued a

* Tornado Warning for...
  Northwestern Morton County in south central North Dakota...
  Southwestern Oliver County in south central North Dakota...
  Southwestern Mercer County in south central North Dakota...

* Until 630 PM CDT.
    
* At 553 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Hebron, or 8 miles northwest of Glen Ullin, moving
  north at 55 mph.

  HAZARD...Tornado and ping pong ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Beulah and Zap around 625 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4683 10210 4738 10208 4736 10158 4679 10184
TIME...MOT...LOC 2253Z 188DEG 48KT 4690 10197 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

HEINERT

1 follow-up statement

940 
WWUS53 KBIS 012310
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
610 PM CDT FRI JUN 1 2018

NDC057-059-065-012330-
/O.CON.KBIS.TO.W.0009.000000T0000Z-180601T2330Z/
Morton ND-Oliver ND-Mercer ND-
610 PM CDT FRI JUN 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHWESTERN MORTON...SOUTHWESTERN OLIVER AND SOUTHWESTERN MERCER
COUNTIES...
    
At 610 PM CDT, a severe thunderstorm capable of producing a tornado
was located 10 miles south of Zap, or 11 miles southwest of Beulah,
moving north at 55 mph.

HAZARD...Tornado and ping pong ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Beulah, Glen Ullin, Hazen, Zap and Golden Valley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4694 10207 4738 10208 4736 10158 4679 10184
TIME...MOT...LOC 2310Z 188DEG 48KT 4713 10192 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

HEINERT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 7:00 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	60 min
May 31, 7:42 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	63 min
May 31, 7:47 PM CDT	Special Weather Statement	BIS	Morton, Oliver	43 min
May 31, 8:03 PM CDT	Areal Flood Advisory	BIS	Hettinger	2 hr
May 31, 8:12 PM CDT	Special Weather Statement	BIS	Hettinger	48 min
May 31, 8:32 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger	58 min
May 31, 8:48 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	27 min
May 31, 8:55 PM CDT	Special Weather Statement	BIS	Stark	50 min
May 31, 9:26 PM CDT	Special Weather Statement	BIS	Burleigh	49 min
May 31, 9:40 PM CDT	Special Weather Statement	BIS	Grant, Morton, Sioux	50 min
May 31, 9:58 PM CDT	Special Weather Statement	BIS	Grant	47 min
May 31, 10:23 PM CDT	Special Weather Statement	BIS	Sioux	52 min
May 31, 10:46 PM CDT	Special Weather Statement	BIS	Morton	44 min
May 31, 11:33 PM CDT	Special Weather Statement	BIS	Emmons, Sioux	42 min
Jun 1, 12:22 AM CDT	Special Weather Statement	BIS	Emmons	38 min
Jun 1, 12:59 AM CDT	Special Weather Statement	BIS	Dunn, Stark	46 min
Jun 1, 2:03 AM CDT	Special Weather Statement	BIS	Adams, Dunn, Grant, Hettinger, Mercer, Morton and 3 more	42 min
Jun 1, 2:05 AM CDT	Special Weather Statement	BIS	Emmons	40 min
Jun 1, 2:39 AM CDT	Special Weather Statement	BIS	Sheridan	51 min
Jun 1, 2:43 AM CDT	Special Weather Statement	BIS	Emmons	47 min
Jun 1, 2:46 AM CDT	Special Weather Statement	BIS	Burleigh	44 min
Jun 1, 2:57 AM CDT	Special Weather Statement	BIS	Sioux	48 min
Jun 1, 3:28 AM CDT	Special Weather Statement	BIS	Logan	47 min
Jun 1, 6:32 AM CDT	Special Weather Statement	BIS	Mercer	43 min
Jun 1, 6:56 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	64 min
Jun 1, 1:29 PM CDT	Special Weather Statement	BIS	Burke	46 min
Jun 1, 2:15 PM CDT	Special Weather Statement	BIS	Dunn, Mountrail	45 min
Jun 1, 2:35 PM CDT	Special Weather Statement	BIS	Burke	25 min
Jun 1, 3:09 PM CDT	Special Weather Statement	BIS	Burke	21 min
Jun 1, 3:39 PM CDT	Areal Flood Advisory	BIS	Burke	6 hr
Jun 1, 3:52 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	25 min
Jun 1, 4:07 PM CDT	Severe Thunderstorm Warning	BIS	Billings, McKenzie	53 min
Jun 1, 4:30 PM CDT	Tornado Warning	BIS	McKenzie	30 min
Jun 1, 5:01 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	59 min
Jun 1, 5:22 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	38 min
Jun 1, 5:25 PM CDT	Severe Thunderstorm Warning	BIS	Williams	35 min
Jun 1, 5:29 PM CDT	Severe Thunderstorm Warning	BIS	Williams	61 min
Jun 1, 5:33 PM CDT	Tornado Warning Tornado observed	BIS	Dunn, McKenzie	27 min
Jun 1, 5:48 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	57 min
Jun 1, 5:52 PM CDT	Tornado Warning	BIS	McKenzie, Mountrail	23 min
Jun 1, 5:56 PM CDT	Tornado Warning	BIS	Dunn, McLean, Mountrail	34 min
Jun 1, 5:57 PM CDT	Tornado Warning	BIS	Grant, Morton	33 min
Jun 1, 6:02 PM CDT	Tornado Warning	BIS	Dunn, McLean, Mercer	28 min
Jun 1, 6:07 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	38 min
Jun 1, 6:14 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton	61 min
Jun 1, 6:14 PM CDT	Tornado Warning	BIS	McKenzie, Mountrail	31 min
Jun 1, 6:27 PM CDT	Tornado Warning	BIS	McHenry, McLean, Ward	13 min
Jun 1, 6:30 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Mountrail, Ward	60 min
Jun 1, 6:30 PM CDT	Tornado Warning Tornado observed	BIS	Mercer	30 min
Jun 1, 6:42 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Mountrail, Ward	63 min

Nearby

Tornado Warnings in North Dakota, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.