Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 52, NWS Bismarck, ND

July 16, 2011Kidder County, Stutsman County, Wells County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 16, 2011, 9:30 PM CDT for Kidder County, Stutsman County, Wells County, North Dakota. It was in force for 45 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 16, 2011, 9:30 PM CDT (02:30 UTC)
Expired
Jul 16, 2011, 10:15 PM CDT
In force
45 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon

Counties Kidder County, ND, Stutsman County, ND, Wells County, ND

The radar

The Bismarck radar (KBIS), 117 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.

What was reported inside it

TimeReportWhereRemark
Jul 16, 9:30 PM CDTFUNNEL CLOUD13 N Pettibone, NDRELAYED BY EMERGENCY MANAGER. HEAVY RAIN. NO HAIL OR HIGH WIND.

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 16, 4:57 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.5 hours before the alert went out and 113 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 00:00Z on 2011-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4274 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 00:00Z on 2011-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
4274 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1100 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
2.4
Supercell composite
13.9

Open this sounding in Storm Lab

The text

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

163 
WFUS53 KBIS 170230
TORBIS
NDC043-093-103-170315-
/O.NEW.KBIS.TO.W.0052.110717T0230Z-110717T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
930 PM CDT SAT JUL 16 2011

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN KIDDER COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
  NORTHWESTERN STUTSMAN COUNTY IN SOUTHEAST NORTH DAKOTA...
  SOUTHEASTERN WELLS COUNTY IN SOUTH CENTRAL NORTH DAKOTA...

* UNTIL 1015 PM CDT

* AT 929 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 12 MILES SOUTH OF SYKESTON...OR 45 MILES
  NORTHWEST OF JAMESTOWN...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WOODWORTH.

LARGE HAIL TO HALF DOLLAR SIZE IS POSSIBLE 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 4713 9930 4730 9965 4741 9952 4730 9914
TIME...MOT...LOC 0230Z 281DEG 17KT 4730 9947

$$

AYD
3 follow-up statements
669 
WWUS53 KBIS 170249
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
949 PM CDT SAT JUL 16 2011

NDC043-170257-
/O.CAN.KBIS.TO.W.0052.000000T0000Z-110717T0315Z/
KIDDER ND-
949 PM CDT SAT JUL 16 2011

...THE TORNADO WARNING FOR NORTHEASTERN KIDDER COUNTY IS CANCELLED...

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

LAT...LON 4714 9929 4714 9931 4728 9949 4732 9948
      4733 9951 4740 9950 4730 9914
TIME...MOT...LOC 0247Z 281DEG 17KT 4728 9935

$$

NDC093-103-170315-
/O.CON.KBIS.TO.W.0052.000000T0000Z-110717T0315Z/
STUTSMAN ND-WELLS ND-
949 PM CDT SAT JUL 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WELLS AND
NORTHWESTERN STUTSMAN COUNTIES UNTIL 1015 PM CDT...

AT 942 PM CDT...DOPPLER RADAR INDICATED A TORNADO 11 MILES NORTH OF 
WOODWORTH...OR 41 MILES NORTHWEST OF JAMESTOWN...MOVING EAST AT 20 
MPH. THE PUBLIC REPORTED A FUNNEL CLOUD EARLIER WITH THIS STORM.
A TORNADO MAY DEVELOP AT ANY TIME. 

LOCATIONS IMPACTED INCLUDE...
  WOODWORTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4714 9929 4714 9931 4728 9949 4732 9948
      4733 9951 4740 9950 4730 9914
TIME...MOT...LOC 0247Z 281DEG 17KT 4728 9935

$$

JP MARTIN
493 
WWUS53 KBIS 170303
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1003 PM CDT SAT JUL 16 2011

NDC093-103-170315-
/O.CON.KBIS.TO.W.0052.000000T0000Z-110717T0315Z/
STUTSMAN ND-WELLS ND-
1003 PM CDT SAT JUL 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN WELLS AND
NORTHWESTERN STUTSMAN COUNTIES UNTIL 1015 PM CDT...

AT 1001 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 9 MILES NORTH OF WOODWORTH...OR 36 MILES NORTHWEST
OF JAMESTOWN...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHERN STUTSMAN 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.

&&

LAT...LON 4714 9929 4714 9931 4724 9942 4737 9940
      4730 9914
TIME...MOT...LOC 0303Z 281DEG 17KT 4727 9924

$$

JP MARTIN
405 
WWUS53 KBIS 170316
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1016 PM CDT SAT JUL 16 2011

NDC093-103-170325-
/O.EXP.KBIS.TO.W.0052.000000T0000Z-110717T0315Z/
STUTSMAN ND-WELLS ND-
1016 PM CDT SAT JUL 16 2011

...THE TORNADO WARNING FOR SOUTHEASTERN WELLS AND NORTHWESTERN
STUTSMAN COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BUT STILL COULD BE 
PRODUCING SMALL HAIL. ALSO...VERY HEAVY RAIN WITH THE STORM COULD 
LEAD TO FLASH FLOODING. FLASH FLOOD WARNINGS CONTINUE FOR SOUTHERN 
WELLS...FOSTER...AND NORTHERN STUTSMAN COUNTIES INTO EARLY SUNDAY 
MORNING.  

LAT...LON 4714 9929 4714 9931 4724 9942 4737 9940
      4730 9914
TIME...MOT...LOC 0315Z 281DEG 17KT 4722 9917

$$

JP MARTIN

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, 9:38 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, 11:26 AM CDTTornado WarningBISMcHenry, Pierce, Sheridan, Wells49 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; radar from the NEXRAD Level II archive.