Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 66, NWS Bismarck, ND

July 17, 2011Dickey County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 17, 2011, 6:28 PM CDT for Dickey County, North Dakota. It was in force for 62 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, 6:28 PM CDT (23:28 UTC)
Expired
Jul 17, 2011, 7:30 PM CDT
In force
62 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon

County Dickey County, ND

The radar

The Aberdeen radar (KABR), 70 km from the middle of the area, began a volume at 23:30 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 17, 6:42 PM CDTFUNNEL CLOUD5 N Fullerton, NDSTORM CHASER REPORTED FUNNEL CLOUD FOR 10 TO 15 SECONDS BEFORE IT BECAME RAIN WRAPPED. COULD NOT TELL IF TOUCHED DOWN.
Jul 17, 6:45 PM CDTFUNNEL CLOUD3 W Oakes, NDCOUNTY SHERIFF REPORTED FUNNEL CLOUDS 3 WEST OF OAKES.
Jul 17, 7:06 PM CDTTORNADO3 N Fullerton, NDREPORTS FROM EMERGENCY MANAGER OF FUNNEL WITH DEBRIS 3 N OF FULLERTON BUT WAS BECOMING RAIN WRAPPED.

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, 3:37 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.5 hours before the alert went out and 131 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, Aberdeen, SD at 12:00Z on 2011-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5718 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2011-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
5718 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1259 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

661 
WFUS53 KBIS 172328
TORBIS
NDC021-180030-
/O.NEW.KBIS.TO.W.0066.110717T2328Z-110718T0030Z/

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

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN DICKEY COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 730 PM CDT

* AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A CONFIRMED TORNADO NEAR BERLIN...OR 43 MILES SOUTH OF JAMESTOWN.
  DOPPLER RADAR SHOWED THIS TORNADO MOVING SOUTHEAST AT 25 MPH.

  IN ADDITION...HAIL UP TO BASEBALL SIZE IS LIKELY WITH THIS STORM.
  VERY HEAVY RAIN WILL FLOOD LOW LYING AND POOR DRAINAGE AREAS.

* THE TORNADO WILL BE NEAR...
  FULLERTON AROUND 645 PM CDT.
  OAKES AROUND 715 PM CDT.
  GUELPH AROUND 720 PM CDT.

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.

&&

LAT...LON 4593 9799 4593 9844 4629 9866 4629 9800
TIME...MOT...LOC 2327Z 322DEG 21KT 4630 9846

$$

VINING
2 follow-up statements
854 
WWUS53 KBIS 180000
SVSBIS

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

NDC021-180030-
/O.CON.KBIS.TO.W.0066.000000T0000Z-110718T0030Z/
DICKEY ND-
700 PM CDT SUN JUL 17 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN DICKEY COUNTY
UNTIL 730 PM CDT...

AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING 
A CONFIRMED TORNADO NEAR FULLERTON. THIS DANGEROUS STORM WAS LOCATED 
NEAR FULLERTON...OR 45 MILES SOUTH OF JAMESTOWN...MOVING SOUTHEAST 
AT 15 MPH. LARGE HAIL...STRONG WINDS AND TORRENTIAL RAIN IS ALSO 
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 4593 9799 4593 9844 4629 9866 4629 9800
TIME...MOT...LOC 2356Z 319DEG 15KT 4630 9838

$$

VINING
843 
WWUS53 KBIS 180032
SVSBIS

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

NDC021-180039-
/O.EXP.KBIS.TO.W.0066.000000T0000Z-110718T0030Z/
DICKEY ND-
732 PM CDT SUN JUL 17 2011

...THE TORNADO WARNING FOR EASTERN DICKEY COUNTY WILL EXPIRE AT 730 
PM CDT...A TORNADO WARNING CONTINUES FOR WESTERN DICKEY COUNTY 
UNTIL 745 PM CDT....

THE STORM IN EASTERN DICKEY COUNTY...AROUND FULLERTON...WEAKENED. 
SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE ALONG WITH HEAVY RAIN.

REMEMBER...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN DICKEY 
COUNTY UNTIL 745 PM CDT. THIS IS THE MERRICOURT AREA.

LAT...LON 4593 9799 4593 9844 4629 9866 4629 9800
TIME...MOT...LOC 0029Z 319DEG 15KT 4620 9825

$$

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, 9:30 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, 11:26 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, 6:45 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.