Alert archive / North Dakota / Tornado Warnings in 2018
Tornado Warning 21, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 8, 2018, 6:25 PM CDT for Dickey County, North Dakota. It was in force for 35 min. 9 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 8, 2018, 6:25 PM CDT (23:25 UTC)
- Expired
- Jul 8, 2018, 7:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.5 in
County Dickey County, ND
The radar
The Aberdeen radar (KABR), 76 km from the middle of the area, began a volume at 23:26 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 |
|---|---|---|---|
| Jul 8, 6:39 PM CDT | TSTM WND GST 58 | 4 S Oakes, ND | PEAK WIND GUST MEASURED BY THE NDAWN STATION 4 MILES SOUTH OF OAKES. |
| Jul 8, 6:39 PM CDT | TSTM WND DMG | 6 W Straubville, ND | TREE OF APPROXIMATELY 12 TO 18 INCHES IN DIAMETER PARTIALLY UPROOTED AND LEANING AT ABOUT A 45 DEGREE ANGLE. TIME APPROXIMATE BASED ON RADAR. |
| Jul 8, 6:40 PM CDT | TSTM WND DMG | 3 Sse Oakes, ND | TOTAL OF 8 IRRIGATERS FLIPPED, 3 OR 4 GRAIN BINS DAMAGED. A 2 MILE WIDE SWATH OF CROP DAMAGE. SOME CAR PORTS DAMAGED. WIND APPEARED TO BE FROM THE NORTH. TIME ESTIMATED FROM RADAR. |
| Jul 8, 6:40 PM CDT | TSTM WND DMG | 3 Sse Oakes, ND | TWO POWER POLES SNAPPED AT THIS LOCATION. CROPS ALSO SHREDDED/DESTROYED. |
| Jul 8, 6:40 PM CDT | TSTM WND DMG | 4 S Oakes, ND | TREES DOWN AND IRRIGATERS BLOWN OVER. TIME ESTIMATED FROM RADAR. RELAYED THROUGH SOCIAL MEDIA. |
| Jul 8, 6:40 PM CDT | HAIL 1.25 | 3 S Oakes, ND | 1.4 INCHES OF RAIN FELL AS WELL. RELAYED THROUGH SOCIAL MEDIA. |
| Jul 8, 6:40 PM CDT | HAIL 1.75 | 5 S Oakes, ND | GOLF BALL SIZE HAIL. PUBLIC REPORT RELAYED BY MEDIA. TIME ESTIMATED BASED ON RADAR. |
| Jul 8, 6:40 PM CDT | HAIL 2.75 | 4 S Oakes, ND | BEAN CROP AND CORN CROP SHREDDED. ESTIMATED TIME FROM RADAR. RELAYED THROUGH SOCIAL MEDIA. |
| Jul 8, 6:42 PM CDT | HAIL 1.75 | 3 Se Oakes, ND | RELAYED THROUGH SOCIAL MEDIA. |
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 |
|---|---|---|---|
| Jul 8, 3:52 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 11.4 hours before the alert went out and 136 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
- 1150 J/kg
- Mixed-layer CIN
- -332 J/kg
- Mixed-layer LCL
- 1241 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
626
WFUS53 KBIS 082325
TORBIS
NDC021-090000-
/O.NEW.KBIS.TO.W.0021.180708T2325Z-180709T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Bismarck ND
625 PM CDT SUN JUL 8 2018
The National Weather Service in Bismarck has issued a
* Tornado Warning for...
Northeastern Dickey County in southeastern North Dakota...
* Until 700 PM CDT.
* At 625 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles west of Oakes, moving southeast at 35 mph.
HAZARD...Tornado and tennis ball 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...
Oakes around 635 PM CDT.
Ludden around 640 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.
&&
LAT...LON 4609 9837 4625 9828 4622 9801 4595 9801
TIME...MOT...LOC 2325Z 293DEG 30KT 4614 9821
TORNADO...RADAR INDICATED
HAIL...2.50IN
$$
CJS3 follow-up statements
229
WWUS53 KBIS 082334
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
634 PM CDT SUN JUL 8 2018
NDC021-090000-
/O.CON.KBIS.TO.W.0021.000000T0000Z-180709T0000Z/
Dickey ND-
634 PM CDT SUN JUL 8 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN DICKEY COUNTY...
At 633 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Oakes, moving southeast at 30 mph.
HAZARD...Tornado and tennis ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Oakes around 640 PM CDT.
Ludden around 645 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4609 9837 4625 9828 4622 9801 4595 9801
TIME...MOT...LOC 2333Z 294DEG 26KT 4612 9817
TORNADO...RADAR INDICATED
HAIL...2.50IN
$$
CJS777
WWUS53 KBIS 082344
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
644 PM CDT SUN JUL 8 2018
NDC021-090000-
/O.CON.KBIS.TO.W.0021.000000T0000Z-180709T0000Z/
Dickey ND-
644 PM CDT SUN JUL 8 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN DICKEY COUNTY...
At 643 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Oakes, moving southeast at 35 mph.
HAZARD...Tornado and baseball 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
northeastern Dickey County southeast of Oakes.
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.
&&
LAT...LON 4606 9829 4624 9819 4622 9801 4595 9801
TIME...MOT...LOC 2343Z 293DEG 30KT 4609 9806
TORNADO...RADAR INDICATED
HAIL...2.75IN
$$
CJS888
WWUS53 KBIS 090001
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
701 PM CDT SUN JUL 8 2018
NDC021-090011-
/O.EXP.KBIS.TO.W.0021.000000T0000Z-180709T0000Z/
Dickey ND-
701 PM CDT SUN JUL 8 2018
...THE TORNADO WARNING FOR NORTHEASTERN DICKEY COUNTY HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern North Dakota.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Bismarck.
LAT...LON 4606 9829 4624 9819 4622 9801 4595 9801
TIME...MOT...LOC 0001Z 293DEG 30KT 4604 9788
$$
CJSThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 10:38 PM CDT | Special Weather Statement | BIS | Bowman | 52 min |
| Jul 7, 11:24 PM CDT | Special Weather Statement | BIS | Slope | 36 min |
| Jul 7, 11:28 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 62 min |
| Jul 7, 11:51 PM CDT | Special Weather Statement | BIS | Stark | 39 min |
| Jul 8, 12:08 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 67 min |
| Jul 8, 12:30 AM CDT | Special Weather Statement | BIS | Stark | 30 min |
| Jul 8, 1:02 AM CDT | Special Weather Statement | BIS | Oliver | 43 min |
| Jul 8, 1:17 AM CDT | Special Weather Statement | BIS | Morton | 28 min |
| Jul 8, 1:17 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 38 min |
| Jul 8, 1:31 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Morton | 59 min |
| Jul 8, 2:28 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Stutsman, Wells | 62 min |
| Jul 8, 2:37 AM CDT | Special Weather Statement | BIS | Sheridan | 38 min |
| Jul 8, 3:11 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Pierce, Wells | 54 min |
| Jul 8, 4:03 AM CDT | Special Weather Statement | BIS | Billings, Golden Valley | 42 min |
| Jul 8, 8:05 AM CDT | Special Weather Statement | BIS | Oliver | 40 min |
| Jul 8, 8:51 AM CDT | Special Weather Statement | BIS | Burleigh | 39 min |
| Jul 8, 5:55 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure | 65 min |
Nearby
Tornado Warnings in North Dakota, 2018Every tornado warning in 2018Tornadoes in 2018
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.