Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 57, NWS Bismarck, ND

July 17, 20114 counties in North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 17, 2011, 11:26 AM CDT for 4 counties in North Dakota. It was in force for 49 min. 3 reports 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, 11:26 AM CDT (16:26 UTC)
Expired
Jul 17, 2011, 12:15 PM CDT
In force
49 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon

Counties McHenry County, ND, Pierce County, ND, Sheridan County, ND, Wells County, ND

What was reported inside it

TimeReportWhereRemark
Jul 17, 11:48 AM CDTTORNADO3 N Harvey, NDBRIEF TOUCHDOWN 3 N OF HARVEY BY GOOSE LAKE. REPORT RELAYED BY THE MEDIA.
Jul 17, 12:18 PM CDTHAIL 0.884 N Heimdal, NDREPORT RELAYED BY THE MEDIA.
Jul 17, 12:22 PM CDTHAIL 1.751 Nw Heimdal, NDREPORT RELAYED BY THE MEDIA.

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.

IssuedProductOfficeLasted
Jul 17, 9:58 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 4.4 hours before the alert went out and 144 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 12:00Z on 2011-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4227 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2011-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.1939587897Sfc1 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
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.

677 
WFUS53 KBIS 171626
TORBIS
NDC049-069-083-103-171715-
/O.NEW.KBIS.TO.W.0057.110717T1626Z-110717T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1126 AM CDT SUN JUL 17 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MCHENRY COUNTY IN NORTH CENTRAL NORTH DAKOTA...
  SOUTHWESTERN PIERCE COUNTY IN NORTH CENTRAL NORTH DAKOTA...
  NORTH CENTRAL SHERIDAN COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
  NORTHERN WELLS COUNTY IN SOUTH CENTRAL NORTH DAKOTA...

* UNTIL 1215 PM CDT

* AT 1120 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR ANAMOOSE...OR 52 MILES SOUTHEAST OF MINOT...
  AND MOVING EAST AT 35 MPH.

IN ADDITION...AT 1106 AM CDT...BASEBALL SIZE HAIL  WAS REPORTED IN 
BALFOUR WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  SHEYENNE LAKE...MARTIN...HARVEY...SELZ...WELLSBURG...MANFRED...
  HEIMDAL AND HAMBERG.

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 4803 9984 4801 9981 4799 9980 4786 9979
      4785 9941 4767 9942 4769 10042 4809 10040
      4809 9984
TIME...MOT...LOC 1625Z 278DEG 31KT 4789 10022

$$

TM/AYD
2 follow-up statements
330 
WWUS53 KBIS 171651
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1151 AM CDT SUN JUL 17 2011

NDC049-083-171700-
/O.CAN.KBIS.TO.W.0057.000000T0000Z-110717T1715Z/
MCHENRY ND-SHERIDAN ND-
1151 AM CDT SUN JUL 17 2011

...THE TORNADO WARNING FOR NORTH CENTRAL SHERIDAN AND SOUTHEASTERN
MCHENRY COUNTIES IS CANCELLED...

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 4803 9984 4799 9980 4786 9979 4785 9941
      4767 9942 4769 10007 4784 10007 4785 10015
      4809 10014 4809 9984
TIME...MOT...LOC 1650Z 283DEG 29KT 4783 9993

$$

NDC069-103-171715-
/O.CON.KBIS.TO.W.0057.000000T0000Z-110717T1715Z/
PIERCE ND-WELLS ND-
1151 AM CDT SUN JUL 17 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN WELLS AND SOUTH
CENTRAL PIERCE COUNTIES UNTIL 1215 PM CDT...

AT 1148 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SELZ...OR 53 MILES WEST OF DEVILS LAKE...
MOVING EAST AT 35 MPH.

THIS STORM HAS A HISTORY OF PRODUCING GOLFBALL TO BASEBALL SIZE 
HAIL. 

LOCATIONS IMPACTED INCLUDE...
  HARVEY...SELZ...WELLSBURG...MANFRED...HEIMDAL AND HAMBERG.

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 4803 9984 4799 9980 4786 9979 4785 9941
      4767 9942 4769 10007 4784 10007 4785 10015
      4809 10014 4809 9984
TIME...MOT...LOC 1650Z 283DEG 29KT 4783 9993

$$

TM/AYD
213 
WWUS53 KBIS 171704
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1204 PM CDT SUN JUL 17 2011

NDC069-103-171715-
/O.CON.KBIS.TO.W.0057.000000T0000Z-110717T1715Z/
PIERCE ND-WELLS ND-
1204 PM CDT SUN JUL 17 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN WELLS AND SOUTH
CENTRAL PIERCE COUNTIES UNTIL 1215 PM CDT...

AT 1202 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
CAPABLE OF PRODUCING A TORNADO. THIS POSSIBLE TORNADO WAS LOCATED 
NEAR WELLSBURG...OR 47 MILES SOUTHWEST OF DEVILS LAKE...MOVING EAST 
AT 35 MPH.

AT 1148 AM CDT...A BRIEF TORNADO TOUCHDOWN WAS REPORTED 3 MILES 
NORTH OF HARVEY BY GOOSE LAKE. 

LOCATIONS IMPACTED INCLUDE...
  MANFRED...HEIMDAL AND HAMBERG.

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 4803 9984 4801 9982 4786 9979 4785 9941
      4767 9942 4769 10003 4809 10002 4809 9984
TIME...MOT...LOC 1703Z 283DEG 29KT 4781 9978

$$

TM/AYD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:20 PM CDTFlash Flood WarningBISFoster, Wells6 hr
Jul 16, 7:25 PM CDTSevere Thunderstorm WarningBISBurleigh, Emmons65 min
Jul 16, 7:36 PM CDTTornado WarningBISWells24 min
Jul 16, 8:00 PM CDTTornado WarningBISWells45 min
Jul 16, 8:13 PM CDTTornado WarningBISEmmons32 min
Jul 16, 8:44 PM CDTTornado WarningBISWells46 min
Jul 16, 8:59 PM CDTTornado WarningBISKidder31 min
Jul 16, 9:30 PM CDTTornado WarningBISKidder, Stutsman, Wells45 min
Jul 16, 9:38 PM CDTFlash Flood WarningBISFoster, Stutsman4 hr
Jul 16, 9:44 PM CDTTornado WarningBISEmmons31 min
Jul 17, 1:31 AM CDTAreal Flood WarningBISFoster, Stutsman, Wells18 hr
Jul 17, 9:40 AM CDTSevere Thunderstorm WarningBISWard50 min
Jul 17, 9:54 AM CDTTornado WarningBISWard36 min
Jul 17, 10:13 AM CDTSevere Thunderstorm WarningBISMcHenry, Ward47 min
Jul 17, 10:25 AM CDTTornado WarningBISMcHenry, McLean, Sheridan, Ward35 min
Jul 17, 10:57 AM CDTTornado WarningBISMcHenry, McLean, Pierce, Sheridan33 min
Jul 17, 11:29 AM CDTRiver Flood WarningBISWard9 days
Jul 17, 12:13 PM CDTTornado WarningBISWells32 min
Jul 17, 12:44 PM CDTSevere Thunderstorm WarningBISWells16 min
Jul 17, 1:11 PM CDTTornado WarningBISFoster64 min
Jul 17, 2:11 PM CDTTornado WarningBISFoster, Stutsman49 min
Jul 17, 2:33 PM CDTFlash Flood WarningBISFoster6 hr
Jul 17, 3:31 PM CDTTornado WarningBISKidder, Stutsman29 min
Jul 17, 3:58 PM CDTTornado WarningBISKidder, Stutsman32 min
Jul 17, 4:29 PM CDTTornado WarningBISStutsman46 min
Jul 17, 4:44 PM CDTFlash Flood WarningBISStutsman3 hr
Jul 17, 5:13 PM CDTTornado WarningBISLaMoure, Stutsman47 min
Jul 17, 6:02 PM CDTTornado WarningBISLaMoure43 min
Jul 17, 6:28 PM CDTTornado WarningBISDickey62 min
Jul 17, 6:45 PM CDTTornado WarningBISLaMoure30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.