Alert archive / North Dakota / Tornado Warnings in 2005

Tornado Warning 47, NWS Bismarck, ND

July 7, 2005Mercer County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 7, 2005, 8:29 PM MDT for Mercer County, North Dakota. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 7, 2005, 8:29 PM MDT (02:29 UTC)
Expired
Jul 7, 2005, 8:56 PM MDT
In force
27 min
Issued by
NWS Bismarck, ND
Area
Counties, with a storm outline in the text

County Mercer County, ND

The radar

The Bismarck radar (KBIS), 95 km from the middle of the area, began a volume at 02:31 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 7, 5:45 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.5 hours before the alert went out and 99 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 2005-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2649 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, Bismarck Municip, ND at 00:00Z on 2005-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 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
2649 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
2032 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 080230
TORBIS
NDC057-080300-
/O.NEW.KBIS.TO.W.0047.050708T0229Z-050708T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
829 PM MDT THU JUL 7 2005

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL MERCER COUNTY IN SOUTH CENTRAL NORTH DAKOTA

* UNTIL 900 PM MDT

* AT 827 PM MDT...SKYWARN SPOTTERS REPORTED A TORNADO 8 MILES NORTH
  OF BEULAH...OR ABOUT 59 MILES NORTHEAST OF DICKINSON...MOVING EAST
  AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BEULAH AROUND 835 PM MDT
  HAZEN AROUND 845 PM MDT

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.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.


LAT...LON 4747 10179 4730 10187 4724 10174 4724 10148
      4740 10145

$$

HEINERT
3 follow-up statements
000 
WWUS53 KBIS 080240
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
940 PM CDT THU JUL 7 2005

NDC057-080300-
/O.CON.KBIS.TO.W.0047.000000T0000Z-050708T0300Z/
MERCER ND-
840 PM MDT THU JUL 7 2005

...A TORNADO WARNING CONTINUES UNTIL 900 PM MDT FOR CENTRAL MERCER
COUNTY...

AT 839 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 7 MILES NORTHWEST OF
HAZEN...OR ABOUT 59 MILES NORTHEAST OF DICKINSON...MOVING EAST AT 20
MPH.

THE TORNADO WILL BE NEAR...
  RURAL EASTERN MERCER COUNTY AT 850 PM MDT

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 100 AM MDT 
FRIDAY MORNING FOR WESTERN NORTH DAKOTA.

LAT...LON 4747 10179 4730 10187 4724 10174 4724 10148
      4740 10145

$$

HEINERT
000 
WWUS53 KBIS 080244
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
944 PM CDT THU JUL 7 2005

NDC057-080300-
/O.CON.KBIS.TO.W.0047.000000T0000Z-050708T0300Z/
MERCER ND-
844 PM MDT THU JUL 7 2005

...A TORNADO WARNING CONTINUES UNTIL 900 PM MDT FOR CENTRAL MERCER
COUNTY...

AT 841 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HAZEN...OR ABOUT
56 MILES NORTHWEST OF BISMARCK...MOVING EAST AT 15 MPH.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 100 AM MDT 
FRIDAY MORNING FOR WESTERN NORTH DAKOTA.

LAT...LON 4747 10179 4730 10187 4724 10174 4724 10148
      4740 10145

$$

NH
000 
WWUS53 KBIS 080256
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
955 PM CDT THU JUL 7 2005

NDC057-080305-
/O.CAN.KBIS.TO.W.0047.000000T0000Z-050708T0300Z/
MERCER ND-
855 PM MDT THU JUL 7 2005

...THE TORNADO WARNING FOR CENTRAL MERCER COUNTY IS CANCELLED...

THE TORNADIC THUNDERSTORM HAS WEAKENED AND MOVED OUT OF THE AREA... 
AND NO LONGER POSES A SIGNIFICANT THREAT FOR CENTRAL MERCER COUNTY.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 100 AM MDT 
FRIDAY MORNING FOR WESTERN NORTH DAKOTA.

LAT...LON 4747 10179 4730 10187 4724 10174 4724 10148
      4740 10145

$$

NH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 6:52 PM MDTSevere Thunderstorm WarningBISMcLean53 min
Jul 7, 7:32 PM MDTTornado WarningBISMcLean28 min
Jul 7, 7:44 PM MDTSevere Thunderstorm WarningBISDunn, Mercer31 min
Jul 7, 7:58 PM MDTSevere Thunderstorm WarningBISBottineau62 min
Jul 7, 8:15 PM MDTSevere Thunderstorm WarningBISMercer45 min
Jul 7, 8:20 PM MDTSevere Thunderstorm WarningBISWard60 min
Jul 7, 8:38 PM MDTFlash Flood WarningBISMcLean, Mercer3 hr
Jul 7, 8:40 PM MDTSevere Thunderstorm WarningBISBottineau, Rolette65 min
Jul 7, 8:44 PM MDTSevere Thunderstorm WarningBISMcHenry61 min
Jul 7, 9:00 PM MDTSevere Thunderstorm WarningBISMercer, Oliver45 min
Jul 7, 9:21 PM MDTSevere Thunderstorm WarningBISMorton39 min
Jul 7, 9:25 PM MDTSevere Thunderstorm WarningBISWard65 min
Jul 7, 9:36 PM MDTFlash Flood WarningBISBottineau3 hr
Jul 7, 9:43 PM MDTSevere Thunderstorm WarningBISBottineau, McHenry62 min
Jul 7, 10:00 PM MDTSevere Thunderstorm WarningBISBurleigh, Morton, Oliver60 min
Jul 7, 10:46 PM MDTSevere Thunderstorm WarningBISSheridan, Wells19 min
Jul 7, 10:48 PM MDTSevere Thunderstorm WarningBISPierce42 min
Jul 7, 11:05 PM MDTTornado WarningBISPierce25 min
Jul 7, 11:24 PM MDTSevere Thunderstorm WarningBISKidder66 min
Jul 7, 11:35 PM MDTSevere Thunderstorm WarningBISWells48 min
Jul 7, 11:43 PM MDTSevere Thunderstorm WarningBISFoster62 min
Jul 7, 11:57 PM MDTSevere Thunderstorm WarningBISStutsman63 min
Jul 8, 12:45 AM MDTSevere Thunderstorm WarningBISFoster30 min
Jul 8, 1:01 AM MDTSevere Thunderstorm WarningBISStutsman45 min
Jul 8, 1:27 AM MDTSevere Thunderstorm WarningBISLaMoure63 min
Jul 8, 2:29 AM MDTSevere Thunderstorm WarningBISDickey, LaMoure61 min
Jul 8, 3:46 AM MDTSevere Thunderstorm WarningBISDickey34 min

Nearby

Tornado Warnings in North Dakota, 2005Every tornado warning in 2005Tornadoes in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.