Alert archive / North Dakota / Tornado Warnings in 2011
Tornado Warning 63, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 17, 2011, 4:29 PM CDT for Stutsman County, North Dakota. It was in force for 46 min. 2 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, 4:29 PM CDT (21:29 UTC)
- Expired
- Jul 17, 2011, 5:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
County Stutsman County, ND
The radar
The Bismarck radar (KBIS), 135 km from the middle of the area, began a volume at 21:31 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 4:34 PM CDT | TSTM WND GST 60 | Windsor, ND | NDHP REPORTS 100 FEET VISIBILITY ALONG INTERSTATE 94 IN VERY HEAVY RAIN AND VERY HIGH WIND. PEA SIZE HAIL. |
| Jul 17, 5:10 PM CDT | HAIL 1.75 | 8 S Eldridge, ND |
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, 9.5 hours before the alert went out and 131 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.
374 WFUS53 KBIS 172129 TORBIS NDC093-172215- /O.NEW.KBIS.TO.W.0063.110717T2129Z-110717T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BISMARCK ND 429 PM CDT SUN JUL 17 2011 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * TORNADO WARNING FOR... CENTRAL STUTSMAN COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 515 PM CDT. * AT 426 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR CLEVELAND...OR 19 MILES WEST OF JAMESTOWN... AND MOVING EAST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... WINDSOR...PINGREE...ELDRIDGE...BUCHANAN AND SYDNEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4719 9875 4667 9877 4684 9940 4711 9941 TIME...MOT...LOC 2130Z 273DEG 15KT 4687 9909 $$ AYD
4 follow-up statements
855 WWUS53 KBIS 172139 SVSBIS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 439 PM CDT SUN JUL 17 2011 NDC093-172215- /O.CON.KBIS.TO.W.0063.000000T0000Z-110717T2215Z/ STUTSMAN ND- 439 PM CDT SUN JUL 17 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL STUTSMAN COUNTY UNTIL 515 PM CDT... AT 436 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR WINDSOR...OR 17 MILES WEST OF JAMESTOWN... MOVING EAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... PINGREE...ELDRIDGE AND BUCHANAN. DAMAGING STRAIGHT LINE WIND GUSTS TO 60 MPH ARE ALSO OCCURRING WITH THIS STORM...IN ADDITION TO VERY HEAVY RAINFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4712 9935 4719 9875 4667 9877 4682 9934 TIME...MOT...LOC 2138Z 273DEG 20KT 4684 9904 $$ AYD
966 WWUS53 KBIS 172149 SVSBIS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 449 PM CDT SUN JUL 17 2011 NDC093-172215- /O.CON.KBIS.TO.W.0063.000000T0000Z-110717T2215Z/ STUTSMAN ND- 449 PM CDT SUN JUL 17 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL STUTSMAN COUNTY UNTIL 515 PM CDT... AT 445 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES SOUTHEAST OF WINDSOR...OR 15 MILES SOUTHWEST OF JAMESTOWN...MOVING SOUTHEAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... ELDRIDGE. DAMAGING STRAIGHT LINE WIND GUSTS IN EXCESS OF 60 MPH ARE ALSO EXPECTED WITH THIS STORM ALONG WITH VERY HEAVY RAINFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4713 9923 4719 9875 4667 9877 4680 9925 TIME...MOT...LOC 2149Z 296DEG 18KT 4681 9896 $$ AYD
101 WWUS53 KBIS 172156 SVSBIS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 456 PM CDT SUN JUL 17 2011 NDC093-172215- /O.CON.KBIS.TO.W.0063.000000T0000Z-110717T2215Z/ STUTSMAN ND- 456 PM CDT SUN JUL 17 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL STUTSMAN COUNTY UNTIL 515 PM CDT... AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 9 MILES WEST OF SYDNEY...OR 15 MILES WEST SOUTHWEST OF JAMESTOWN...MOVING SOUTHEAST AT 20 MPH. WINDS TO 70 MPH AND QUARTER SIZE HAIL ARE ALSO POSSIBLE. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF SOUTHERN STUTSMAN COUNTY FROM JUST SOUTH OF WINDSOR AND ELDRIDGE...TO SYDNEY. THIS TORNADO WARNING DOES NOT...AT THIS TIME...INCLUDE THE CITY OF JAMESTOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. && LAT...LON 4700 9914 4699 9876 4667 9877 4677 9915 TIME...MOT...LOC 2153Z 309DEG 23KT 4676 9893 $$ AYD
980 WWUS53 KBIS 172209 SVSBIS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 509 PM CDT SUN JUL 17 2011 NDC093-172215- /O.CON.KBIS.TO.W.0063.000000T0000Z-110717T2215Z/ STUTSMAN ND- 509 PM CDT SUN JUL 17 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL STUTSMAN COUNTY UNTIL 515 PM CDT... AT 504 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR SYDNEY...OR 16 MILES SOUTHWEST OF JAMESTOWN... MOVING SOUTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF SOUTHERN STUTSMAN COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. && LAT...LON 4697 9896 4699 9876 4667 9877 4674 9902 TIME...MOT...LOC 2208Z 308DEG 27KT 4669 9883 $$ AYD
The 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, 4:44 PM CDT | Flash Flood Warning | BIS | Stutsman | 3 hr |
| Jul 17, 5:13 PM CDT | Tornado Warning | BIS | LaMoure, Stutsman | 47 min |
| Jul 17, 6:02 PM CDT | Tornado Warning | BIS | LaMoure | 43 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.