Alert archive / North Dakota / Tornado Warnings in 2019

Tornado Warning 4, NWS Bismarck, ND

June 29, 2019Grant County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 29, 2019, 7:11 PM MDT for Grant County, North Dakota. It was in force for 34 min. 3 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 29, 2019, 7:11 PM MDT (01:11 UTC)
Expired
Jun 29, 2019, 7:45 PM MDT
In force
34 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

County Grant County, ND

The radar

The Bismarck radar (KBIS), 61 km from the middle of the area, began a volume at 01:12 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 29, 7:13 PM MDTHAIL 24 Nne Carson, NDVIA NWS CHAT.
Jun 29, 7:20 PM MDTHAIL 28 Nnw Lark, NDESTIMATED DISTANCE NORTH OF CARSON WITH RADAR. ESTIMATED HAIL SIZE BY PICTURE. REPORT RELAYED BY BROADCAST MEDIA.
Jun 29, 7:41 PM MDTHAIL 1.58 N Lark, ND

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 29, 5:08 PM MDTTornado WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.2 hours before the alert went out and 64 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 2019-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3956 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2019-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 square meters per square second.19395878Sfc1 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
3956 J/kg
Mixed-layer CIN
-171 J/kg
Mixed-layer LCL
1026 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
1.1
Supercell composite
17.1

Open this sounding in Storm Lab

The text

As transmitted.

512 
WFUS53 KBIS 300111
TORBIS
NDC037-300145-
/O.NEW.KBIS.TO.W.0004.190630T0111Z-190630T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Bismarck ND
711 PM MDT Sat Jun 29 2019

The National Weather Service in Bismarck has issued a

* Tornado Warning for...
  North central Grant County in south central North Dakota...

* Until 745 PM MDT.
    
* At 711 PM MDT, a severe thunderstorm capable of producing a tornado
  was located near Carson, or 15 miles east of Elgin, moving east at
  25 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  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
  north central Grant County, including the following locations...
  Lark.

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 4637 10130 4638 10160 4656 10162 4660 10130
      4638 10130 4637 10128
TIME...MOT...LOC 0111Z 266DEG 23KT 4648 10154 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

MJONES
3 follow-up statements
824 
WWUS53 KBIS 300122
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
722 PM MDT Sat Jun 29 2019

NDC037-300145-
/O.CON.KBIS.TO.W.0004.000000T0000Z-190630T0145Z/
Grant ND-
722 PM MDT Sat Jun 29 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR NORTH
CENTRAL GRANT COUNTY...
    
At 721 PM MDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Carson, or 20 miles east of Elgin,
moving east at 25 mph.

HAZARD...Tornado and two inch 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...
Carson and Lark. 

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.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 4637 10130 4638 10160 4656 10162 4660 10130
      4638 10130 4637 10128
TIME...MOT...LOC 0121Z 266DEG 23KT 4648 10144 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

MJONES
276 
WWUS53 KBIS 300130
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
730 PM MDT Sat Jun 29 2019

NDC037-300145-
/O.CON.KBIS.TO.W.0004.000000T0000Z-190630T0145Z/
Grant ND-
730 PM MDT Sat Jun 29 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR NORTH
CENTRAL GRANT COUNTY...
    
At 730 PM MDT, a severe thunderstorm capable of producing a tornado
was located 5 miles west of Flasher, or 24 miles east of Elgin,
moving east at 25 mph.

HAZARD...Tornado and two inch 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...
Lark.

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.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 4637 10143 4657 10148 4660 10130 4638 10130
      4637 10128
TIME...MOT...LOC 0130Z 265DEG 23KT 4648 10134 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

MJONES
060 
WWUS53 KBIS 300146
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
746 PM MDT Sat Jun 29 2019

NDC037-300154-
/O.EXP.KBIS.TO.W.0004.000000T0000Z-190630T0145Z/
Grant ND-
746 PM MDT Sat Jun 29 2019

...THE TORNADO WARNING FOR NORTH CENTRAL GRANT COUNTY WILL EXPIRE AT
745 PM MDT...
        
The storm which prompted the warning has exited the warned area. 
Therefore, the warning will be allowed to expire. A Severe 
Thunderstorm Warning remains in effect for southeastern Morton 
County.

A Tornado Watch remains in effect until midnight MDT for south
central North Dakota.

LAT...LON 4637 10143 4657 10148 4660 10130 4638 10130
      4637 10128
TIME...MOT...LOC 0144Z 266DEG 23KT 4649 10122 

$$

MJONES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 6:03 PM MDTSevere Thunderstorm WarningBISGrant, Morton57 min
Jun 29, 6:30 PM MDTSevere Thunderstorm WarningBISGrant60 min
Jun 29, 7:33 PM MDTSevere Thunderstorm WarningBISMorton57 min
Jun 29, 9:44 PM MDTSpecial Weather StatementBISStutsman46 min

Nearby

Tornado Warnings in North Dakota, 2019Every tornado warning in 2019Tornadoes in 2019

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.