Alert archive / North Dakota / Tornado Warnings in 2011
Tornado Warning 65, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 17, 2011, 6:02 PM CDT for LaMoure County, North Dakota. It was in force for 43 min. 6 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 17, 2011, 6:02 PM CDT (23:02 UTC)
- Expired
- Jul 17, 2011, 6:45 PM CDT
- In force
- 43 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
County LaMoure County, ND
The radar
The Aberdeen radar (KABR), 114 km from the middle of the area, began a volume at 23:03 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 17, 6:05 PM CDT | TORNADO | 11 Ne Edgeley, ND | RELAYED BY LAW ENFORCEMENT. FARMSTEAD HIT BY TORNADO. HOUSE DAMAGED. NO INJURIES. |
| Jul 17, 6:05 PM CDT | TORNADO | 7 Se Nortonville, ND | *** 1 INJ *** UPPER BOUND EF3 TORNADO. WIND SPEEDS 165 MPH. MOVED SOUTHEAST AND LIFTED 6 MILES SOUTH SOUTHEAST OF BERLIN AROUND 645 PM CDT. TIMES ARE ESTIMATED. THIS WAS ALL WITHIN LAMOURE COUNTY. PATH LENGTH WAS 15 MILES AND WIDTH WAS 1/2 MILE AT ITS WIDEST. |
| Jul 17, 6:18 PM CDT | HAIL 2 | 3 S Grand Rapids, ND | GOLFBALL TO 2 INCH HAIL |
| Jul 17, 6:24 PM CDT | HAIL 2.75 | 1 N Berlin, ND | GOLFBALL TO BASEBALL SIZE HAIL |
| Jul 17, 6:29 PM CDT | HAIL 1 | La Moure, ND | HAIL LASTED 5 MINUTES. |
| Jul 17, 6:35 PM CDT | TORNADO | 2 W Berlin, ND | SIGNIFICANT DAMAGE TO HOUSE FROM TORNADO. |
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 17, 3:37 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.0 hours before the alert went out and 172 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
- 4227 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 1037 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 37.4
The text
As transmitted, in the capitals the NWS used until 2016.
568
WFUS53 KBIS 172302
TORBIS
NDC045-172345-
/O.NEW.KBIS.TO.W.0065.110717T2302Z-110717T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
602 PM CDT SUN JUL 17 2011
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL LAMOURE COUNTY IN SOUTHEAST NORTH DAKOTA...
* UNTIL 645 PM CDT
* AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 8 MILES SOUTHWEST OF DICKEY...OR 31 MILES SOUTH
OF JAMESTOWN...AND MOVING SOUTHEAST AT 20 MPH.
* THIS DANGEROUS STORM WILL BE NEAR...
BERLIN AROUND 625 PM CDT.
TO THE NORTH AND EAST OF BERLIN...AT PLACES LIKE ADRIAN...DICKEY...
GRAND RAPIDS...AND LAMOURE...LARGE HAIL...TO GOLF BALL SIZE...SHOULD
BE EXPECTED. WIND GUSTS TO 60 MPH ARE ALSO LIKELY. VERY HEAVY RAIN
COULD RESULT IN FLOODING OF LOW LYING AND POOR DRAINAGE AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER IF YOU ARE IN THE PATH OF THIS STORM. MOTORISTS SHOULD
NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES.
&&
LAT...LON 4660 9838 4628 9818 4628 9866 4648 9879
4663 9855
TIME...MOT...LOC 2259Z 322DEG 15KT 4646 9860
$$
VINING1 follow-up statement
341
WWUS53 KBIS 172317
SVSBIS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
617 PM CDT SUN JUL 17 2011
NDC045-172345-
/O.CON.KBIS.TO.W.0065.000000T0000Z-110717T2345Z/
LAMOURE ND-
617 PM CDT SUN JUL 17 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL LAMOURE COUNTY
UNTIL 645 PM CDT...
AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR BERLIN...OR 37 MILES SOUTH OF JAMESTOWN...
MOVING SOUTHEAST AT 25 MPH.
LIVE VIDEO FEEDS FROM STORM CHASERS INDICATE SNAPPED TREES AND POWER
POLES WITH THIS STORM. IT IS NOT CERTAIN IF THIS IS TORNADO DAMAGE
OR VERY HIGH WIND DAMAGE. NONETHELESS...IF YOU ARE IN THE PATH OF
THIS STORM GET TO SAFE SHELTER NOW.
GOLF BALL SIZE HAIL IS ALSO LIKELY WITH THIS STORM ALONG WITH VERY
HEAVY RAIN THAT COULD FLOOD LOW LYING AND POOR DRAINAGE AREAS.
THIS DANGEROUS STORM WILL BE NEAR...COTTONWOOD LAKE...AND CROSS
STATE HIGHWAY 13 IN LAMOURE COUNTY.
THE NATIONAL WEATHER SERVICE JUST RECEIVED A REPORT OF A TORNADO
DAMAGING A FARMSTEAD 11 MILES NORTHEAST OF EDGELEY.
&&
LAT...LON 4628 9818 4628 9855 4629 9866 4646 9870
4663 9855 4660 9838
TIME...MOT...LOC 2313Z 322DEG 20KT 4639 9851
$$
VININGThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 7:20 PM CDT | Flash Flood Warning | BIS | Foster, Wells | 6 hr |
| Jul 16, 7:25 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons | 65 min |
| Jul 16, 7:36 PM CDT | Tornado Warning | BIS | Wells | 24 min |
| Jul 16, 8:00 PM CDT | Tornado Warning | BIS | Wells | 45 min |
| Jul 16, 8:13 PM CDT | Tornado Warning | BIS | Emmons | 32 min |
| Jul 16, 8:44 PM CDT | Tornado Warning | BIS | Wells | 46 min |
| Jul 16, 8:59 PM CDT | Tornado Warning | BIS | Kidder | 31 min |
| Jul 16, 9:30 PM CDT | Tornado Warning | BIS | Kidder, Stutsman, Wells | 45 min |
| Jul 16, 9:38 PM CDT | Flash Flood Warning | BIS | Foster, Stutsman | 4 hr |
| Jul 16, 9:44 PM CDT | Tornado Warning | BIS | Emmons | 31 min |
| Jul 17, 1:31 AM CDT | Areal Flood Warning | BIS | Foster, Stutsman, Wells | 18 hr |
| Jul 17, 9:40 AM CDT | Severe Thunderstorm Warning | BIS | Ward | 50 min |
| Jul 17, 9:54 AM CDT | Tornado Warning | BIS | Ward | 36 min |
| Jul 17, 10:13 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 47 min |
| Jul 17, 10:25 AM CDT | Tornado Warning | BIS | McHenry, McLean, Sheridan, Ward | 35 min |
| Jul 17, 10:57 AM CDT | Tornado Warning | BIS | McHenry, McLean, Pierce, Sheridan | 33 min |
| Jul 17, 11:26 AM CDT | Tornado Warning | BIS | McHenry, Pierce, Sheridan, Wells | 49 min |
| Jul 17, 11:29 AM CDT | River Flood Warning | BIS | Ward | 9 days |
| Jul 17, 12:13 PM CDT | Tornado Warning | BIS | Wells | 32 min |
| Jul 17, 12:44 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 16 min |
| Jul 17, 1:11 PM CDT | Tornado Warning | BIS | Foster | 64 min |
| Jul 17, 2:11 PM CDT | Tornado Warning | BIS | Foster, Stutsman | 49 min |
| Jul 17, 2:33 PM CDT | Flash Flood Warning | BIS | Foster | 6 hr |
| Jul 17, 3:31 PM CDT | Tornado Warning | BIS | Kidder, Stutsman | 29 min |
| Jul 17, 3:58 PM CDT | Tornado Warning | BIS | Kidder, Stutsman | 32 min |
| Jul 17, 4:29 PM CDT | Tornado Warning | BIS | Stutsman | 46 min |
| Jul 17, 4:44 PM CDT | Flash Flood Warning | BIS | Stutsman | 3 hr |
| Jul 17, 5:13 PM CDT | Tornado Warning | BIS | LaMoure, Stutsman | 47 min |
| Jul 17, 6:28 PM CDT | Tornado Warning | BIS | Dickey | 62 min |
| Jul 17, 6:45 PM CDT | Tornado Warning | BIS | LaMoure | 30 min |
Nearby
Tornado Warnings in North Dakota, 2011Every tornado warning in 2011Tornadoes in 2011
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.