Alert archive / North Dakota / Special Weather Statements in 2017
Special Weather Statement, NWS Bismarck, ND
NWS Bismarck, ND issued this special weather statement at Oct 1, 2017, 5:32 PM CDT for Logan County, North Dakota. It was in force for 43 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
- Oct 1, 2017, 5:32 PM CDT (22:32 UTC)
- Expired
- Oct 1, 2017, 6:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Bismarck, ND
County Logan County, ND
The radar
The Bismarck radar (KBIS), 114 km from the middle of the area, began a volume at 22:35 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 nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.5 hours before the alert went out and 110 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
- 35 J/kg
- Mixed-layer CIN
- -328 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Bismarck, ND wrote its last area forecast discussion before this special weather statement went out at Oct 1, 4:59 PM CDT, 33 minutes earlier.
Area forecast discussion, Oct 1, 4:59 PM CDT, 33 minutes before
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</html>Hazardous weather outlook, Oct 1, 3:31 PM CDT, 2 hours 1 minute before
Hazardous Weather Outlook National Weather Service Bismarck ND 331 PM CDT Sun Oct 1 2017 NDZ003>005-011>013-021>023-025-035>037-046>048-050-051-022045- Renville-Bottineau-Rolette-Ward-McHenry-Pierce-McLean-Sheridan- Wells-Foster-Burleigh-Kidder-Stutsman-Emmons-Logan-La Moure- McIntosh-Dickey- 331 PM CDT Sun Oct 1 2017 This Hazardous Weather Outlook is for portions of north central North Dakota, south central North Dakota, and southeast North Dakota. .DAY ONE...This Afternoon and Tonight There is a chance for thunderstorms across central North Dakota this afternoon and early evening. A few thunderstorms could be severe. The greatest chance for severe storms will be across south central North Dakota and the James River Valley. Quarter size hail, damaging winds to 60 mph, and dangerous lightning are the primary threats. However, a tornado threat is also possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed across south central North Dakota and the James River Valley this afternoon. NDZ001-002-009-010-017>020-031>034-040>045-022045- Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Mercer-Oliver- Golden Valley-Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman- Adams-Sioux- 331 PM CDT Sun Oct 1 2017 /231 PM MDT Sun Oct 1 2017/ This Hazardous Weather Outlook is for portions of northwest North Dakota, south central North Dakota, and southwest North Dakota. .DAY ONE...This Afternoon and Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Monday through Saturday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
In the hours before
Special weather statement, Oct 1, 2:36 PM CDT, 2 hours 56 minutes before
Special Weather Statement
National Weather Service Bismarck ND
236 PM CDT SUN OCT 1 2017
NDZ045-046-012015-
Sioux ND-Emmons ND-
236 PM CDT SUN OCT 1 2017
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN SIOUX AND
SOUTHWESTERN EMMONS COUNTIES UNTIL 315 PM CDT...
At 236 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles southwest of Fort Yates, moving northeast at 20 mph.
Nickel size hail and wind gusts to 50 mph will be possible with this
storm.
Locations impacted include...
Fort Yates, Cattail Recreation Area and Beaver Bay Recreation Area.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek shelter
inside a building or vehicle.
&&
LAT...LON 4612 10088 4630 10046 4603 10021 4594 10049
4595 10077
TIME...MOT...LOC 1936Z 221DEG 18KT 4601 10068
JONESSpecial weather statement, Oct 1, 4:35 PM CDT, 57 minutes before
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</html>Special weather statement, Oct 1, 4:43 PM CDT, 49 minutes before
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</html>Special weather statement, Oct 1, 5:32 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 7:31 PM CDT | Special Weather Statement | BIS | Renville | 14 min |
| Oct 1, 2:36 PM CDT | Special Weather Statement | BIS | Emmons | 39 min |
| Oct 1, 4:03 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 23 min |
| Oct 1, 4:35 PM CDT | Special Weather Statement | BIS | Kidder, Wells | 25 min |
| Oct 1, 4:43 PM CDT | Special Weather Statement | BIS | Logan, McIntosh | 47 min |
Nearby
Special Weather Statements in North Dakota, 2017Every special weather statement in 2017
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.