Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 30, NWS Bismarck, ND

July 8, 2011Burleigh County, Emmons County, Kidder County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 8, 2011, 7:25 PM CDT for Burleigh County, Emmons County, Kidder County, North Dakota. It was in force for 50 min. 1 report 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: Jul 8, 2011, 7:25 PM CDT (00:25 UTC)
Expired: Jul 8, 2011, 8:15 PM CDT
In force: 50 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

Counties Burleigh County, ND, Emmons County, ND, Kidder County, ND

The radar

The Bismarck radar (KBIS), 46 km from the middle of the area, began a volume at 00:26 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

Time	Report	Where	Remark
Jul 8, 7:30 PM CDT	TSTM WND GST 60	4 Nw Hazelton, 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.

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, 0.4 hours before the alert went out and 234 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.

047 
WFUS53 KBIS 090025
TORBIS
NDC015-029-043-090115-
/O.NEW.KBIS.TO.W.0030.110709T0025Z-110709T0115Z/

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

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BURLEIGH COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
  NORTHERN EMMONS COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
  SOUTHWESTERN KIDDER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...

* UNTIL 815 PM CDT

* AT 722 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR HAZELTON...OR 28 MILES SOUTHEAST OF
  BISMARCK...AND MOVING NORTHEAST AT 20 MPH.

* LARGE HAIL...DAMAGING STRAIGHT LINE WINDS...AND VERY HEAVY RAIN    
  CAN ALSO BE EXPECTED WITH THIS STORM. SEEK SHELTER IMMEDIATELY!

* LOCATIONS IMPACTED INCLUDE...
  HAZELTON...MOFFIT...BRADDOCK AND KINTYRE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 4641 10041 4663 10061 4674 10039 4682 10004
      4673 9989 4647 9992 4644 10010
TIME...MOT...LOC 0025Z 240DEG 19KT 4652 10035

$$

HEINERT

2 follow-up statements

196 
WWUS53 KBIS 090033
SVSBIS

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

NDC015-029-043-090115-
/O.CON.KBIS.TO.W.0030.000000T0000Z-110709T0115Z/
BURLEIGH ND-EMMONS ND-KIDDER ND-
733 PM CDT FRI JUL 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN KIDDER...
NORTHERN EMMONS AND SOUTHEASTERN BURLEIGH COUNTIES UNTIL 815 PM
CDT...

AT 730 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR HAZELTON...OR 29 MILES SOUTHEAST OF
BISMARCK...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOFFIT...BRADDOCK AND KINTYRE.

THIS STORM HAS A HISTORY OF PRODUCING AT LEAST ONE CONFIRMED 
TORNADO...AND NUMEROUS FUNNEL CLOUDS. 

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 4641 10041 4663 10061 4674 10039 4682 10004
      4673 9989 4647 9992 4644 10010
TIME...MOT...LOC 0033Z 240DEG 19KT 4654 10030

$$

HEINERT

620 
WWUS53 KBIS 090047
SVSBIS

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

NDC015-029-043-090115-
/O.CON.KBIS.TO.W.0030.000000T0000Z-110709T0115Z/
BURLEIGH ND-EMMONS ND-KIDDER ND-
747 PM CDT FRI JUL 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN KIDDER...
NORTHERN EMMONS AND SOUTHEASTERN BURLEIGH COUNTIES UNTIL 815 PM
CDT...

AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR HAZELTON...OR 30 MILES SOUTHEAST OF
BISMARCK...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOFFIT...BRADDOCK AND KINTYRE.

THIS STORM HAS A HISTORY OF PRODUCING AT LEAST ONE CONFIRMED 
TORNADO...AND NUMEROUS FUNNEL CLOUDS. 

LARGE HAIL AND VERY HEAVY RAIN CAN ALSO BE EXPECTED WITH THIS STORM. 

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 4641 10041 4663 10061 4674 10039 4682 10004
      4673 9989 4647 9992 4644 10010
TIME...MOT...LOC 0047Z 255DEG 13KT 4655 10025

$$

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, 7:31 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, 8:42 PM CDT	Tornado Warning	BIS	Kidder, Logan, Stutsman	48 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.