Alert archive / North Dakota / Tornado Warnings in 2016

Tornado Warning 24, NWS Bismarck, ND

August 3, 2016McIntosh County, North Dakota

NWS Bismarck, ND issued this tornado warning at Aug 3, 2016, 10:05 PM CDT for McIntosh County, North Dakota. It was in force for 25 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
Aug 3, 2016, 10:05 PM CDT (03:05 UTC)
Expired
Aug 3, 2016, 10:30 PM CDT
In force
25 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County McIntosh County, ND

The radar

The Aberdeen radar (KABR), 97 km from the middle of the area, began a volume at 03:04 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
Aug 3, 3:38 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.1 hours before the alert went out and 132 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 2016-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1397 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 2016-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
1397 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
2565 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

621 
WFUS53 KBIS 040305
TORBIS
NDC051-040330-
/O.NEW.KBIS.TO.W.0024.160804T0305Z-160804T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1005 PM CDT WED AUG 3 2016

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MCINTOSH COUNTY IN SOUTHEASTERN NORTH DAKOTA...

* UNTIL 1030 PM CDT
    
* AT 1005 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER VENTURIA...OR 8 MILES WEST OF ASHLEY...
  MOVING EAST AT 35 MPH.

  HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  ASHLEY AROUND 1015 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 4609 9959 4602 9900 4594 9904 4594 9967
TIME...MOT...LOC 0305Z 289DEG 29KT 4599 9953 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

HAMILTON
3 follow-up statements
263 
WWUS53 KBIS 040313
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1013 PM CDT WED AUG 3 2016

NDC051-040330-
/O.CON.KBIS.TO.W.0024.000000T0000Z-160804T0330Z/
MCINTOSH ND-
1013 PM CDT WED AUG 3 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
SOUTHEASTERN MCINTOSH COUNTY...
    
AT 1012 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER VENTURIA...OR 6 MILES SOUTHWEST OF ASHLEY...MOVING
EAST AT 30 MPH.

HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  ASHLEY AROUND 1020 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 4608 9955 4603 9910 4594 9918 4595 9965
TIME...MOT...LOC 0312Z 289DEG 24KT 4598 9949 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

HAMILTON
246 
WWUS53 KBIS 040321
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1021 PM CDT WED AUG 3 2016

NDC051-040330-
/O.CON.KBIS.TO.W.0024.000000T0000Z-160804T0330Z/
MCINTOSH ND-
1021 PM CDT WED AUG 3 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR SOUTH
CENTRAL MCINTOSH COUNTY...
    
AT 1021 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES SOUTH OF ASHLEY...MOVING EAST AT 35 MPH.

HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTH CENTRAL MCINTOSH COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 4604 9947 4598 9914 4594 9918 4595 9956
TIME...MOT...LOC 0321Z 289DEG 29KT 4596 9939 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

HAMILTON
893 
WWUS53 KBIS 040330
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1030 PM CDT WED AUG 3 2016

NDC051-040338-
/O.EXP.KBIS.TO.W.0024.000000T0000Z-160804T0330Z/
MCINTOSH ND-
1030 PM CDT WED AUG 3 2016

...THE TORNADO WARNING FOR SOUTH CENTRAL MCINTOSH COUNTY WILL EXPIRE
AT 1030 PM CDT...
    
THE TORNADO THREAT HAS DIMINISHED AND THE TORNADO WARNING HAS EXPIRED.
HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY AND A
SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTHEASTERN
NORTH DAKOTA.

LAT...LON 4604 9947 4598 9914 4594 9918 4595 9956
TIME...MOT...LOC 0326Z 289DEG 29KT 4596 9939 

$$

HAMILTON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 7:11 PM CDTSpecial Weather StatementBISWells49 min
Aug 3, 8:01 PM CDTSpecial Weather StatementBISWells14 min
Aug 3, 9:48 PM CDTSevere Thunderstorm WarningBISMcIntosh57 min
Aug 3, 9:58 PM CDTSevere Thunderstorm WarningBISLaMoure, Logan62 min
Aug 3, 10:49 PM CDTSpecial Weather StatementBISDickey56 min
Aug 3, 11:02 PM CDTSpecial Weather StatementBISLaMoure58 min
Aug 3, 11:43 PM CDTSpecial Weather StatementBISDickey47 min

Nearby

Tornado Warnings in North Dakota, 2016Every tornado warning in 2016Tornadoes in 2016

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.