Alert archive / North Dakota / Tornado Warnings in 2018

Tornado Warning 16, NWS Bismarck, ND

June 26, 2018Morton County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 26, 2018, 8:47 PM CDT for Morton County, North Dakota. It was in force for 28 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 26, 2018, 8:47 PM CDT (01:47 UTC)
Expired
Jun 26, 2018, 9:15 PM CDT
In force
28 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Morton County, ND

The radar

The Bismarck radar (KBIS), 84 km from the middle of the area, began a volume at 01:48 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

TimeReportWhereRemark
Jun 26, 8:53 PM CDTTORNADOGlen Ullin, NDPUBLIC REPORTED TORNADO TOUCHED DOWN BRIEFLY ON THE NORTH SIDE OF GLEN ULLIN.
Jun 26, 8:55 PM CDTTSTM WND GST 66Glen Ullin Rgnl, NDCORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM GLEN ULLIN RGNL. AWOS STATION D57, GLEN ULLIN RGNL.
Jun 26, 8:55 PM CDTNON-TSTM WND GST 66Glen Ullin Rgnl, NDAWOS STATION D57, GLEN ULLIN RGNL.
Jun 26, 8:56 PM CDTTSTM WND DMGGlen Ullin, NDSEVERAL LARGE TREES AND NUMEROUS BRANCHES DOWNED IN THE TOWN OF GLEN ULLIN. LAW ENFORCEMENT ESTIMATED 70 MPH WINDS.

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.

IssuedProductOfficeLasted
Jun 26, 4:00 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.8 hours before the alert went out and 89 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-pSkew-T log-p diagram, Bismarck Municip, ND at 00:00Z on 2018-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 779 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2018-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
779 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1650 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.8

Open this sounding in Storm Lab

The text

As transmitted.

709 
WFUS53 KBIS 270147
TORBIS
NDC059-270215-
/O.NEW.KBIS.TO.W.0016.180627T0147Z-180627T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Bismarck ND
847 PM CDT TUE JUN 26 2018

The National Weather Service in Bismarck has issued a

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

* Until 915 PM CDT.
    
* At 846 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles northwest of Glen Ullin, moving southeast at 25
  mph.

  HAZARD...Tornado and quarter 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...
  Glen Ullin around 900 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 4684 10203 4695 10195 4690 10159 4671 10171
TIME...MOT...LOC 0146Z 299DEG 23KT 4688 10189 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JONES
2 follow-up statements
420 
WWUS53 KBIS 270157
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
857 PM CDT TUE JUN 26 2018

NDC059-270215-
/O.CON.KBIS.TO.W.0016.000000T0000Z-180627T0215Z/
Morton ND-
857 PM CDT TUE JUN 26 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
NORTHWESTERN MORTON COUNTY...
    
At 857 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Glen Ullin, moving southeast at 25 mph.

HAZARD...Tornado and quarter 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 tornadic thunderstorm will remain over mainly rural areas of
northwestern Morton County.

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 4679 10191 4691 10184 4690 10159 4671 10171
TIME...MOT...LOC 0157Z 299DEG 24KT 4684 10179 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JONES
895 
WWUS53 KBIS 270207
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
907 PM CDT TUE JUN 26 2018

NDC059-270217-
/O.EXP.KBIS.TO.W.0016.000000T0000Z-180627T0215Z/
Morton ND-
907 PM CDT TUE JUN 26 2018

...THE TORNADO WARNING FOR NORTHWESTERN MORTON COUNTY WILL EXPIRE AT
915 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  However
small hail and gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central North Dakota.

LAT...LON 4679 10191 4691 10184 4690 10159 4671 10171
TIME...MOT...LOC 0207Z 299DEG 23KT 4682 10174 

$$

JONES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 7:11 PM CDTSevere Thunderstorm WarningBISWard47 min
Jun 26, 7:26 PM CDTSevere Thunderstorm WarningBISAdams, Bowman, Hettinger, Slope, Stark64 min
Jun 26, 7:29 PM CDTSevere Thunderstorm WarningBISBottineau, McHenry34 min
Jun 26, 7:31 PM CDTSevere Thunderstorm WarningBISDunn59 min
Jun 26, 8:11 PM CDTSevere Thunderstorm WarningBISStark64 min
Jun 26, 8:17 PM CDTSevere Thunderstorm WarningBISMercer, Morton, Oliver58 min
Jun 26, 8:33 PM CDTSevere Thunderstorm WarningBISAdams57 min
Jun 26, 8:44 PM CDTSevere Thunderstorm WarningBISMercer40 min
Jun 26, 9:55 PM CDTSevere Thunderstorm WarningBISMercer54 min
Jun 26, 10:17 PM CDTSevere Thunderstorm WarningBISSlope58 min
Jun 26, 10:39 PM CDTSevere Thunderstorm WarningBISMcHenry54 min
Jun 26, 10:48 PM CDTSevere Thunderstorm WarningBISBowman57 min
Jun 26, 10:51 PM CDTSevere Thunderstorm WarningBISGrant, Morton, Stark54 min
Jun 26, 11:09 PM CDTSevere Thunderstorm WarningBISAdams, Bowman66 min
Jun 26, 11:23 PM CDTSevere Thunderstorm WarningBISGrant, Hettinger, Morton67 min
Jun 26, 11:28 PM CDTSevere Thunderstorm WarningBISBowman25 min
Jun 26, 11:56 PM CDTSevere Thunderstorm WarningBISAdams31 min

Nearby

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