Alert archive / North Dakota / Tornado Warnings in 2008

Tornado Warning 22, NWS Bismarck, ND

June 18, 2008Sioux County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 18, 2008, 8:56 PM CDT for Sioux 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
Jun 18, 2008, 8:56 PM CDT (01:56 UTC)
Expired
Jun 18, 2008, 9:45 PM CDT
In force
49 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon

County Sioux County, ND

The radar

The Bismarck radar (KBIS), 61 km from the middle of the area, began a volume at 01:59 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
Jun 18, 9:55 PM CDTHAIL 1Selfridge, NDDIME TO QUARTER SIZE HAIL.

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
Jun 18, 4:59 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.9 hours before the alert went out and 62 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 2008-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 882 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 2008-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.193958Sfc1 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
882 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1600 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 190156
TORBIS
NDC085-190245-
/O.NEW.KBIS.TO.W.0022.080619T0156Z-080619T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
856 PM CDT WED JUN 18 2008

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN SIOUX COUNTY IN SOUTH CENTRAL NORTH DAKOTA...

* UNTIL 945 PM CDT

* AT 854 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES NORTH
  OF SELFRIDGE...OR 39 MILES SOUTH OF BISMARCK...MOVING SOUTHEAST AT
  24 MPH.

* THE TORNADO WILL BE NEAR...
  8 MILES NORTHEAST OF SELFRIDGE BY 925 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR WESTERN NORTH DAKOTA.

LAT...LON 4598 10091 4625 10111 4627 10108 4628 10103
      4630 10101 4632 10102 4633 10098 4636 10095
      4638 10092 4622 10059
TIME...MOT...LOC 0156Z 323DEG 21KT 4625 10094

$$

SIMOSKO
1 follow-up statement
000 
WWUS53 KBIS 190213
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
911 PM CDT WED JUN 18 2008

NDC085-190245-
/O.CON.KBIS.TO.W.0022.000000T0000Z-080619T0245Z/
SIOUX ND-
911 PM CDT WED JUN 18 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR EASTERN
SIOUX COUNTY...

AT 908 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 11 MILES NORTH OF
SELFRIDGE...OR 43 MILES SOUTH OF BISMARCK...MOVING SOUTHEAST AT 24
MPH.

THE TORNADO WILL BE NEAR...
  8 MILES NORTHEAST OF SELFRIDGE BY 925 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR WESTERN NORTH DAKOTA.

LAT...LON 4598 10091 4625 10111 4627 10108 4628 10103
      4630 10101 4632 10102 4633 10098 4636 10095
      4638 10092 4622 10059
TIME...MOT...LOC 0211Z 323DEG 21KT 4618 10086

$$

SIMOSKO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:01 PM CDTTornado WarningBISBurleigh, Morton, Oliver29 min
Jun 18, 7:11 PM CDTSevere Thunderstorm WarningBISBottineau, Renville, Ward64 min
Jun 18, 7:13 PM CDTSevere Thunderstorm WarningBISMcHenry, McLean, Sheridan, Ward62 min
Jun 18, 7:21 PM CDTTornado WarningBISGrant, Morton24 min
Jun 18, 7:29 PM CDTTornado WarningBISMorton31 min
Jun 18, 7:35 PM CDTSevere Thunderstorm WarningBISMcKenzie55 min
Jun 18, 7:40 PM CDTSevere Thunderstorm WarningBISGrant, Morton35 min
Jun 18, 7:47 PM CDTTornado WarningBISGrant, Morton43 min
Jun 18, 7:55 PM CDTTornado WarningBISBurleigh, Morton35 min
Jun 18, 7:56 PM CDTSevere Thunderstorm WarningBISSheridan, Wells64 min
Jun 18, 7:58 PM CDTSevere Thunderstorm WarningBISBurleigh, Emmons, Grant, McLean, Morton, Oliver62 min
Jun 18, 8:32 PM CDTSevere Thunderstorm WarningBISEmmons, Grant, Morton, Sioux58 min
Jun 18, 8:44 PM CDTSevere Thunderstorm WarningBISBurleigh, McLean, Sheridan61 min
Jun 18, 9:10 PM CDTSevere Thunderstorm WarningBISMcHenry, Ward50 min
Jun 18, 9:17 PM CDTSevere Thunderstorm WarningBISBurleigh, McLean48 min
Jun 18, 9:22 PM CDTSevere Thunderstorm WarningBISMountrail38 min
Jun 18, 9:27 PM CDTSevere Thunderstorm WarningBISEmmons, Grant, Morton, Sioux63 min
Jun 18, 10:31 PM CDTSevere Thunderstorm WarningBISMcLean, Mercer29 min
Jun 18, 11:01 PM CDTSevere Thunderstorm WarningBISMercer29 min
Jun 19, 2:04 PM CDTRiver Flood WarningBISMcKenzie, Williams22 days
Jun 19, 3:06 PM CDTSevere Thunderstorm WarningBISBurke, Renville, Ward39 min
Jun 19, 3:44 PM CDTSevere Thunderstorm WarningBISRenville, Ward46 min
Jun 19, 6:20 PM CDTSevere Thunderstorm WarningBISMcHenry, McLean, Ward55 min

Nearby

Tornado Warnings in North Dakota, 2008Every tornado warning in 2008Tornadoes in 2008

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.