Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 3, NWS Bismarck, ND

June 7, 2011Kidder County, Logan County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 7, 2011, 7:07 PM CDT for Kidder County, Logan County, North Dakota. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 7, 2011, 7:07 PM CDT (00:07 UTC)
Expired
Jun 7, 2011, 7:30 PM CDT
In force
23 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon

Counties Kidder County, ND, Logan County, ND

The radar

The Bismarck radar (KBIS), 80 km from the middle of the area, began a volume at 00:08 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 7, 3:50 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.1 hours before the alert went out and 75 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 2011-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 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 2011-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 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
106 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1184 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

398 
WFUS53 KBIS 080007
TORBIS
NDC043-047-080030-
/O.NEW.KBIS.TO.W.0003.110608T0007Z-110608T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
707 PM CDT TUE JUN 7 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN KIDDER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
  NORTHWESTERN LOGAN COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 730 PM CDT.

* AT 704 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS           
  DANGEROUS STORM WAS LOCATED 13 MILES NORTHWEST OF NAPOLEON OR 45   
  MILES EAST OF BISMARCK...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN KIDDER AND NORTHERN
  LOGAN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4657 9992 4674 9992 4681 9945 4647 9945
TIME...MOT...LOC 0006Z 275DEG 35KT 4663 9985

$$

AYD
2 follow-up statements
872 
WWUS53 KBIS 080015
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
715 PM CDT TUE JUN 7 2011

NDC043-047-080030-
/O.CON.KBIS.TO.W.0003.000000T0000Z-110608T0030Z/
KIDDER ND-LOGAN ND-
715 PM CDT TUE JUN 7 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN LOGAN AND
SOUTHEASTERN KIDDER COUNTIES UNTIL 730 PM CDT...

AT 713 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED 10 MILES NORTH OF NAPOLEON...OR 51 MILES EAST OF 
BISMARCK...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHERN LOGAN AND SOUTHEASTERN KIDDER
  COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

LARGE HAIL TO PING PONG BALL SIZE AND DAMAGING STRAIGHT LINES WINDS 
IN EXCESS OF 60 MPH ARE ALSO POSSIBLE WITH THIS STORM.

&&

LAT...LON 4657 9992 4674 9992 4681 9945 4647 9945
TIME...MOT...LOC 0015Z 276DEG 36KT 4661 9972

$$

AYD
825 
WWUS53 KBIS 080026
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
726 PM CDT TUE JUN 7 2011

NDC043-047-080036-
/O.EXP.KBIS.TO.W.0003.000000T0000Z-110608T0030Z/
KIDDER ND-LOGAN ND-
726 PM CDT TUE JUN 7 2011

...THE TORNADO WARNING FOR NORTHWESTERN LOGAN AND SOUTHEASTERN KIDDER
COUNTIES WILL EXPIRE AT 730 PM CDT/630 PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM.

LAT...LON 4657 9992 4674 9992 4681 9945 4647 9945
TIME...MOT...LOC 0026Z 274DEG 38KT 4665 9957

$$

AYD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:37 PM CDTAreal Flood WarningBISBottineau, Burke, Renville, Ward66 hr
Jun 7, 8:44 PM CDTTornado WarningBISLaMoure, Stutsman31 min

Nearby

Tornado Warnings in North Dakota, 2011Every tornado warning in 2011Tornadoes in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.