Alert archive / North Dakota / Tornado Warnings in 2015
Tornado Warning 6, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jun 21, 2015, 7:55 PM CDT for Morton County, North Dakota. It was in force for 35 min. 5 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
- Jun 21, 2015, 7:55 PM CDT (00:55 UTC)
- Expired
- Jun 21, 2015, 8:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Morton County, ND
The radar
The Bismarck radar (KBIS), 46 km from the middle of the area, began a volume at 00:58 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 8:00 PM CDT | TSTM WND GST 60 | New Salem, ND | NICKEL SIZE HAIL ALSO REPORTED. |
| Jun 21, 8:00 PM CDT | HAIL 0.88 | New Salem, ND | 60 MPH WINDS ALSO ESTIMATED. |
| Jun 21, 8:05 PM CDT | TSTM WND GST 80 | New Salem, ND | ESTM. 80 TO 90 MPH...LARGE TREE LIMBS DOWN. HEAVY RAIN CAUSED STREET AND RURAL FLOODING. SEVERAL CAR ACCIDENTS. |
| Jun 21, 8:31 PM CDT | TSTM WND GST 80 | 4 Se Judson, ND | PEA SIZE HAIL |
| Jun 21, 8:31 PM CDT | TSTM WND GST 80 | 4 Se Judson, ND | PEA SIZE HAIL. HEAVY RAIN REPORT OF 1.85 INCHES. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 21, 3:23 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.9 hours before the alert went out and 50 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.
- Mixed-layer CAPE
- 495 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1751 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
368
WFUS53 KBIS 220055
TORBIS
NDC059-220130-
/O.NEW.KBIS.TO.W.0006.150622T0055Z-150622T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
755 PM CDT SUN JUN 21 2015
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
* TORNADO WARNING FOR...
NORTH CENTRAL MORTON COUNTY IN SOUTH CENTRAL NORTH DAKOTA...
* UNTIL 830 PM CDT
* AT 754 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED OVER NEW SALEM...OR 19 MILES SOUTHWEST OF
NELSON LAKE...MOVING EAST AT 30 MPH.
HAZARD...TORNADO.
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...
FISH CREEK DAM AROUND 815 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
JUDSON...SWEET BRIAR LAKE AND CROWN BUTTE LAKE.
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.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
BISMARCK.
&&
LAT...LON 4680 10159 4691 10155 4690 10099 4664 10108
TIME...MOT...LOC 0054Z 283DEG 25KT 4683 10142
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SCHECK1 follow-up statement
849
WWUS53 KBIS 220113
SVSBIS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
813 PM CDT SUN JUN 21 2015
NDC059-220130-
/O.CON.KBIS.TO.W.0006.000000T0000Z-150622T0130Z/
MORTON ND-
813 PM CDT SUN JUN 21 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR NORTH
CENTRAL MORTON COUNTY...
AT 812 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR FISH CREEK DAM...OR 16 MILES WEST OF MANDAN...MOVING
EAST AT 30 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTH CENTRAL MORTON COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
JUDSON...SWEET BRIAR LAKE AND CROWN BUTTE LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.
&&
LAT...LON 4676 10146 4691 10144 4690 10099 4664 10108
TIME...MOT...LOC 0112Z 283DEG 25KT 4680 10124
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SCHECK/SCHILDThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:28 PM CDT | Areal Flood Advisory | BIS | Stark | 3 hr |
| Jun 21, 7:37 PM CDT | Areal Flood Advisory | BIS | Mercer, Morton, Oliver | 6 hr |
| Jun 21, 7:47 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 31 min |
| Jun 21, 7:58 PM CDT | Tornado Warning | BIS | Adams, Grant, Hettinger | 32 min |
| Jun 21, 8:29 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 61 min |
| Jun 21, 8:32 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 58 min |
| Jun 21, 8:34 PM CDT | Flash Flood Warning | BIS | Burleigh, Morton | 6 hr |
| Jun 21, 8:41 PM CDT | Special Weather Statement | BIS | Wells | 34 min |
| Jun 21, 9:11 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Morton, Sioux | 64 min |
| Jun 21, 10:03 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman | 42 min |
| Jun 21, 10:07 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 53 min |
| Jun 21, 10:26 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 64 min |
| Jun 21, 10:49 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, McIntosh | 56 min |
| Jun 21, 11:16 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 59 min |
| Jun 22, 12:11 AM CDT | Special Weather Statement | BIS | Grant | 34 min |
| Jun 22, 12:37 AM CDT | Special Weather Statement | BIS | Sioux | 23 min |
| Jun 22, 1:03 AM CDT | Special Weather Statement | BIS | Burleigh, Emmons, Sioux | 42 min |
Nearby
Tornado Warnings in North Dakota, 2015Every tornado warning in 2015Tornadoes in 2015
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.