Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 32, NWS Bismarck, ND

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

NWS Bismarck, ND issued this tornado warning at Jul 8, 2011, 8:42 PM CDT for Kidder County, Logan County, Stutsman County, North Dakota. It was in force for 48 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, 8:42 PM CDT (01:42 UTC)
Expired: Jul 8, 2011, 9:30 PM CDT
In force: 48 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), 98 km from the middle of the area, began a volume at 01:42 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.

Issued	Product	Office	Lasted
Jul 8, 2:32 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.7 hours before the alert went out and 204 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: 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.

130 
WFUS53 KBIS 090142
TORBIS
NDC043-047-093-090230-
/O.NEW.KBIS.TO.W.0032.110709T0142Z-110709T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
842 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...
  NORTHERN LOGAN COUNTY IN SOUTHEAST NORTH DAKOTA...
  SOUTHWESTERN STUTSMAN COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 930 PM CDT

* AT 837 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR NAPOLEON...OR 51 MILES SOUTHEAST OF
  BISMARCK...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STREETER AND GACKLE.

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.

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

&&

LAT...LON 4670 9952 4673 9913 4640 9909 4639 9948
      4642 9989 4663 9991
TIME...MOT...LOC 0142Z 267DEG 26KT 4652 9974

$$

HEINERT

3 follow-up statements

735 
WWUS53 KBIS 090155
SVSBIS

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

NDC043-047-093-090230-
/O.CON.KBIS.TO.W.0032.000000T0000Z-110709T0230Z/
KIDDER ND-LOGAN ND-STUTSMAN ND-
855 PM CDT FRI JUL 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN STUTSMAN...
CENTRAL LOGAN AND SOUTHEASTERN KIDDER COUNTIES UNTIL 930 PM CDT...

AT 851 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES EAST OF NAPOLEON...OR 52 MILES SOUTHWEST OF
JAMESTOWN...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  STREETER AND GACKLE.

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.

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

&&

LAT...LON 4642 9910 4641 9948 4643 9976 4663 9982
      4670 9952 4673 9913
TIME...MOT...LOC 0156Z 267DEG 26KT 4653 9959

$$

HEINERT

192 
WWUS53 KBIS 090212
SVSBIS

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

NDC043-047-093-090230-
/O.CON.KBIS.TO.W.0032.000000T0000Z-110709T0230Z/
KIDDER ND-LOGAN ND-STUTSMAN ND-
912 PM CDT FRI JUL 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN STUTSMAN...
CENTRAL LOGAN AND SOUTHEASTERN KIDDER COUNTIES UNTIL 930 PM CDT...

AT 910 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 11 MILES SOUTHWEST OF STREETER...OR 46 MILES
SOUTHWEST OF JAMESTOWN...MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  STREETER AND GACKLE.

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.

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

&&

LAT...LON 4642 9910 4641 9948 4643 9976 4663 9982
      4670 9952 4673 9913
TIME...MOT...LOC 0212Z 262DEG 23KT 4657 9952

$$

HEINERT

161 
WWUS53 KBIS 090229
SVSBIS

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

NDC043-047-093-090239-
/O.EXP.KBIS.TO.W.0032.000000T0000Z-110709T0230Z/
KIDDER ND-LOGAN ND-STUTSMAN ND-
929 PM CDT FRI JUL 8 2011

...THE TORNADO WARNING FOR SOUTHWESTERN STUTSMAN...CENTRAL LOGAN AND
SOUTHEASTERN KIDDER COUNTIES IS BEING REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

LAT...LON 4642 9910 4641 9948 4643 9976 4663 9982
      4670 9952 4673 9913
TIME...MOT...LOC 0229Z 262DEG 23KT 4659 9936

$$

HEINERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 7:15 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	60 min
Jul 8, 7:25 PM CDT	Tornado Warning	BIS	Burleigh, Emmons, Kidder	50 min
Jul 8, 7:31 PM CDT	Areal Flood Warning	BIS	Burke, Divide, Mountrail, Ward	6 hr
Jul 8, 7:42 PM CDT	Flash Flood Warning	BIS	Stutsman	6 hr
Jul 8, 8:06 PM CDT	Areal Flood Advisory	BIS	Burleigh, Emmons, Grant, Morton, Sioux	11 hr
Jul 8, 8:16 PM CDT	Tornado Warning	BIS	Burleigh, Emmons, Kidder, Logan	29 min
Jul 8, 8:51 PM CDT	River Flood Warning	BIS	Stutsman	4 days
Jul 8, 8:57 PM CDT	Tornado Warning	BIS	Emmons, Logan, McIntosh	36 min
Jul 8, 9:20 PM CDT	Areal Flood Advisory	BIS	Emmons, Kidder, Logan, McIntosh, Sioux, Stutsman	6 hr
Jul 8, 9:30 PM CDT	Tornado Warning	BIS	Kidder, Logan, Stutsman	45 min
Jul 8, 9:52 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, Logan, McIntosh	53 min
Jul 8, 10:30 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	60 min
Jul 8, 11:09 PM CDT	Areal Flood Advisory	BIS	Dickey, LaMoure	11 hr
Jul 9, 1:41 AM CDT	Areal Flood Warning	BIS	Stutsman	12 hr
Jul 9, 2:01 AM CDT	Areal Flood Advisory	BIS	McKenzie, Williams	5 hr

Nearby

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