Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 34, NWS Bismarck, ND

July 8, 2011Kidder County, Logan County, Stutsman County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 8, 2011, 9:30 PM CDT for Kidder County, Logan County, Stutsman County, North Dakota. It was in force for 45 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
Jul 8, 2011, 9:30 PM CDT (02:30 UTC)
Expired
Jul 8, 2011, 10:15 PM CDT
In force
45 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon

Counties Kidder County, ND, Logan County, ND, Stutsman County, ND

The radar

The Bismarck radar (KBIS), 103 km from the middle of the area, began a volume at 02:33 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
Jul 8, 2:32 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.5 hours before the alert went out and 203 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, Aberdeen, SD at 00:00Z on 2011-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 975 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, Aberdeen, SD at 00:00Z on 2011-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
975 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1645 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

138 
WFUS53 KBIS 090230
TORBIS
NDC043-047-093-090315-
/O.NEW.KBIS.TO.W.0034.110709T0230Z-110709T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
930 PM CDT FRI JUL 8 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

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

* UNTIL 1015 PM CDT.

* AT 928 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 6 MILES NORTHEAST OF BURNSTAD...OR 51 MILES
  SOUTHWEST OF JAMESTOWN...AND MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STREETER AND GACKLE.

IN ADDITION TO THE TORNADO THREAT...DAMAGING STRAIGHT LINE WINDS 
OVER 70 MPH ARE LIKELY WITH THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4672 9956 4677 9913 4640 9905 4630 9960
      4655 9975
TIME...MOT...LOC 0229Z 243DEG 27KT 4645 9953

$$

HAMILTON
3 follow-up statements
571 
WWUS53 KBIS 090243
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
943 PM CDT FRI JUL 8 2011

NDC043-047-093-090315-
/O.CON.KBIS.TO.W.0034.000000T0000Z-110709T0315Z/
KIDDER ND-LOGAN ND-STUTSMAN ND-
943 PM CDT FRI JUL 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN STUTSMAN...
LOGAN AND SOUTHEASTERN KIDDER COUNTIES UNTIL 1015 PM CDT...

AT 942 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 12 MILES NORTHEAST OF BURNSTAD...OR 45 MILES
SOUTHWEST OF JAMESTOWN...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  STREETER AND GACKLE.

DAMAGING STRAIGHT LINE WINDS OVER 60 MPH ARE ALSO LIKELY WITH THIS 
STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4660 9956 4673 9950 4677 9913 4640 9905
      4630 9960 4649 9972
TIME...MOT...LOC 0243Z 252DEG 27KT 4648 9939

$$

HAMILTON
507 
WWUS53 KBIS 090301
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1001 PM CDT FRI JUL 8 2011

NDC043-047-093-090315-
/O.CON.KBIS.TO.W.0034.000000T0000Z-110709T0315Z/
KIDDER ND-LOGAN ND-STUTSMAN ND-
1001 PM CDT FRI JUL 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN STUTSMAN...
LOGAN AND SOUTHEASTERN KIDDER COUNTIES UNTIL 1015 PM CDT...

AT 956 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 10 MILES SOUTHWEST OF GACKLE...OR 38 MILES
SOUTHWEST OF JAMESTOWN...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  GACKLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4660 9956 4673 9950 4677 9913 4640 9905
      4630 9960 4649 9972
TIME...MOT...LOC 0301Z 252DEG 27KT 4652 9920

$$

HAMILTON
314 
WWUS53 KBIS 090315
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1015 PM CDT FRI JUL 8 2011

NDC043-047-093-090325-
/O.EXP.KBIS.TO.W.0034.000000T0000Z-110709T0315Z/
KIDDER ND-LOGAN ND-STUTSMAN ND-
1015 PM CDT FRI JUL 8 2011

...THE TORNADO WARNING FOR SOUTHWESTERN STUTSMAN...LOGAN AND
SOUTHEASTERN KIDDER COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.  HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT.

LAT...LON 4660 9956 4673 9950 4677 9913 4640 9905
      4630 9960 4649 9972
TIME...MOT...LOC 0301Z 252DEG 27KT 4652 9920

$$

HAMILTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 7:15 PM CDTSevere Thunderstorm WarningBISStutsman60 min
Jul 8, 7:25 PM CDTTornado WarningBISBurleigh, Emmons, Kidder50 min
Jul 8, 7:31 PM CDTAreal Flood WarningBISBurke, Divide, Mountrail, Ward6 hr
Jul 8, 7:42 PM CDTFlash Flood WarningBISStutsman6 hr
Jul 8, 8:06 PM CDTAreal Flood AdvisoryBISBurleigh, Emmons, Grant, Morton, Sioux11 hr
Jul 8, 8:16 PM CDTTornado WarningBISBurleigh, Emmons, Kidder, Logan29 min
Jul 8, 8:42 PM CDTTornado WarningBISKidder, Logan, Stutsman48 min
Jul 8, 8:51 PM CDTRiver Flood WarningBISStutsman4 days
Jul 8, 8:57 PM CDTTornado WarningBISEmmons, Logan, McIntosh36 min
Jul 8, 9:20 PM CDTAreal Flood AdvisoryBISEmmons, Kidder, Logan, McIntosh, Sioux, Stutsman6 hr
Jul 8, 9:52 PM CDTSevere Thunderstorm WarningBISDickey, LaMoure, Logan, McIntosh53 min
Jul 8, 10:30 PM CDTSevere Thunderstorm WarningBISDickey, LaMoure60 min
Jul 8, 11:09 PM CDTAreal Flood AdvisoryBISDickey, LaMoure11 hr
Jul 9, 1:41 AM CDTAreal Flood WarningBISStutsman12 hr
Jul 9, 2:01 AM CDTAreal Flood AdvisoryBISMcKenzie, Williams5 hr

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.