Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 60, NWS Bismarck, ND

July 17, 2011Foster County, Stutsman County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 17, 2011, 2:11 PM CDT for Foster County, Stutsman County, North Dakota. It was in force for 49 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 17, 2011, 2:11 PM CDT (19:11 UTC)
Expired: Jul 17, 2011, 3:00 PM CDT
In force: 49 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

Counties Foster County, ND, Stutsman County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 93 km from the middle of the area, began a volume at 19:14 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 17, 2:28 PM CDT	TORNADO	10 Ene Kensal, ND	BRIEF TOUCHDOWN.

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 17, 9:58 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.2 hours before the alert went out and 177 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: 4227 J/kg
Mixed-layer CIN: -184 J/kg
Mixed-layer LCL: 1037 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 37.4

Open this sounding in Storm Lab

The text

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

357 
WFUS53 KBIS 171911
TORBIS
NDC031-093-172000-
/O.NEW.KBIS.TO.W.0060.110717T1911Z-110717T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
211 PM CDT SUN JUL 17 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN FOSTER COUNTY IN SOUTHEAST NORTH DAKOTA...
  NORTHEASTERN STUTSMAN COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 300 PM CDT

* AT 206 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR GLENFIELD...OR 36 MILES NORTH OF
  JAMESTOWN...AND MOVING SOUTHEAST AT 25 MPH.

* AT 142 PM CDT...STORM CHASERS REPORTED A TORNADO ON THE GROUND FOR 
  3 TO 4 MINUTES NEAR JUANITA.

* LOCATIONS IMPACTED INCLUDE...
  GLENFIELD AND RURAL AREAS OF NORTHEASTERN STUTSMAN AND             
  SOUTHEASTERN FOSTER 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.

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN BISMARCK AT
701-223-4582.

&&

LAT...LON 4721 9848 4735 9881 4759 9874 4760 9850
      4758 9848 4734 9849 4732 9845 4721 9847
TIME...MOT...LOC 1909Z 307DEG 20KT 4742 9859

$$

TM

2 follow-up statements

872 
WWUS53 KBIS 171937
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
237 PM CDT SUN JUL 17 2011

NDC031-093-172000-
/O.CON.KBIS.TO.W.0060.000000T0000Z-110717T2000Z/
FOSTER ND-STUTSMAN ND-
237 PM CDT SUN JUL 17 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN STUTSMAN AND
EASTERN FOSTER COUNTIES UNTIL 300 PM CDT...

AT 232 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SUTTON...OR 33 MILES NORTH OF JAMESTOWN...
MOVING SOUTHEAST AT 20 MPH.

AT 228 PM CDT...A BRIEF TORNADO TOUCHDOWN WAS REPORTED 10 MILES EAST 
NORTHEAST OF KENSAL.  

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN FOSTER COUNTY.

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.

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN BISMARCK AT
701-223-4582.

&&

LAT...LON 4721 9848 4735 9881 4759 9874 4760 9850
      4758 9848 4734 9849 4732 9845 4721 9847
TIME...MOT...LOC 1937Z 302DEG 16KT 4736 9849

$$

TM/AYD

770 
WWUS53 KBIS 171956
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
256 PM CDT SUN JUL 17 2011

NDC031-093-172006-
/O.EXP.KBIS.TO.W.0060.000000T0000Z-110717T2000Z/
FOSTER ND-STUTSMAN ND-
256 PM CDT SUN JUL 17 2011

...THE TORNADO WARNING FOR NORTHEASTERN STUTSMAN AND EASTERN FOSTER
COUNTIES WILL EXPIRE AT 300 PM CDT/200 PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN BISMARCK AT
701-223-4582.

LAT...LON 4721 9848 4735 9881 4759 9874 4760 9850
      4758 9848 4734 9849 4732 9845 4721 9847
TIME...MOT...LOC 1956Z 302DEG 16KT 4731 9838

$$

TM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 7:20 PM CDT	Flash Flood Warning	BIS	Foster, Wells	6 hr
Jul 16, 7:25 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons	65 min
Jul 16, 7:36 PM CDT	Tornado Warning	BIS	Wells	24 min
Jul 16, 8:00 PM CDT	Tornado Warning	BIS	Wells	45 min
Jul 16, 8:13 PM CDT	Tornado Warning	BIS	Emmons	32 min
Jul 16, 8:44 PM CDT	Tornado Warning	BIS	Wells	46 min
Jul 16, 8:59 PM CDT	Tornado Warning	BIS	Kidder	31 min
Jul 16, 9:30 PM CDT	Tornado Warning	BIS	Kidder, Stutsman, Wells	45 min
Jul 16, 9:38 PM CDT	Flash Flood Warning	BIS	Foster, Stutsman	4 hr
Jul 16, 9:44 PM CDT	Tornado Warning	BIS	Emmons	31 min
Jul 17, 1:31 AM CDT	Areal Flood Warning	BIS	Foster, Stutsman, Wells	18 hr
Jul 17, 9:40 AM CDT	Severe Thunderstorm Warning	BIS	Ward	50 min
Jul 17, 9:54 AM CDT	Tornado Warning	BIS	Ward	36 min
Jul 17, 10:13 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	47 min
Jul 17, 10:25 AM CDT	Tornado Warning	BIS	McHenry, McLean, Sheridan, Ward	35 min
Jul 17, 10:57 AM CDT	Tornado Warning	BIS	McHenry, McLean, Pierce, Sheridan	33 min
Jul 17, 11:26 AM CDT	Tornado Warning	BIS	McHenry, Pierce, Sheridan, Wells	49 min
Jul 17, 11:29 AM CDT	River Flood Warning	BIS	Ward	9 days
Jul 17, 12:13 PM CDT	Tornado Warning	BIS	Wells	32 min
Jul 17, 12:44 PM CDT	Severe Thunderstorm Warning	BIS	Wells	16 min
Jul 17, 1:11 PM CDT	Tornado Warning	BIS	Foster	64 min
Jul 17, 2:33 PM CDT	Flash Flood Warning	BIS	Foster	6 hr
Jul 17, 3:31 PM CDT	Tornado Warning	BIS	Kidder, Stutsman	29 min
Jul 17, 3:58 PM CDT	Tornado Warning	BIS	Kidder, Stutsman	32 min
Jul 17, 4:29 PM CDT	Tornado Warning	BIS	Stutsman	46 min
Jul 17, 4:44 PM CDT	Flash Flood Warning	BIS	Stutsman	3 hr
Jul 17, 5:13 PM CDT	Tornado Warning	BIS	LaMoure, Stutsman	47 min
Jul 17, 6:02 PM CDT	Tornado Warning	BIS	LaMoure	43 min
Jul 17, 6:28 PM CDT	Tornado Warning	BIS	Dickey	62 min
Jul 17, 6:45 PM CDT	Tornado Warning	BIS	LaMoure	30 min

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.