Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 47, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 8, 2021, 10:58 PM MDT for 4 counties in North Dakota. It was in force for 47 min. 1 report 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 8, 2021, 10:58 PM MDT (04:58 UTC)
- Expired
- Jun 8, 2021, 11:45 PM MDT
- In force
- 47 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Adams County, ND, Grant County, ND, Hettinger County, ND, Sioux County, ND
The radar
The Bismarck radar (KBIS), 120 km from the middle of the area, began a volume at 04:58 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 8, 11:08 PM MDT | TSTM WND GST 68 | 2 N Bentley, ND | WILLIAMS LOOKOUT RAWS STATION. TIME ESTIMATED FROM RADAR. |
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 8, 5:15 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 5.0 hours before the alert went out and 124 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
- 113 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 2317 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
607 WUUS53 KBIS 090458 SVRBIS NDC001-037-041-085-090545- /O.NEW.KBIS.SV.W.0047.210609T0458Z-210609T0545Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND 1158 PM CDT Tue Jun 8 2021 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southwestern Sioux County in south central North Dakota... Southeastern Hettinger County in southwestern North Dakota... Southern Grant County in south central North Dakota... Southeastern Adams County in southwestern North Dakota... * Until 1245 AM CDT/1145 PM MDT/. * At 1157 PM CDT/1057 PM MDT/, a severe thunderstorm was located 6 miles southwest of Thunder Hawk, or 7 miles southeast of Lemmon, moving north at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... New Leipzig. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4595 10254 4642 10235 4629 10123 4594 10134 TIME...MOT...LOC 0457Z 196DEG 42KT 4586 10204 HAIL...<.75IN WIND...60MPH $$ MJONES
1 follow-up statement
217 WWUS53 KBIS 090517 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1217 AM CDT Wed Jun 9 2021 NDC001-037-041-085-090545- /O.CON.KBIS.SV.W.0047.000000T0000Z-210609T0545Z/ Sioux ND-Hettinger ND-Grant ND-Adams ND- 1217 AM CDT Wed Jun 9 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT/1145 PM MDT/ FOR SOUTHWESTERN SIOUX...SOUTHEASTERN HETTINGER... SOUTHERN GRANT AND SOUTHEASTERN ADAMS COUNTIES... At 1217 AM CDT/1117 PM MDT/, a severe thunderstorm was located 10 miles north of Thunder Hawk, or 16 miles northeast of Lemmon, moving north at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Mott, New Leipzig, Haynes, Burt, St. Gertrude and Bentley. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4595 10254 4642 10235 4629 10123 4594 10134 TIME...MOT...LOC 0517Z 195DEG 42KT 4609 10190 HAIL...<.75IN WIND...60MPH $$ MJONES
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 6:00 PM MDT | Areal Flood Warning | BIS | Grant, Morton | 14 hr |
| Jun 8, 6:25 PM MDT | Severe Thunderstorm Warning | BIS | Golden Valley, McKenzie | 65 min |
| Jun 8, 7:02 PM MDT | Special Weather Statement | BIS | Billings, Golden Valley | 43 min |
| Jun 8, 7:08 PM MDT | Special Weather Statement | BIS | Burke, Mountrail | 37 min |
| Jun 8, 7:12 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 20 min |
| Jun 8, 7:22 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, McKenzie | 38 min |
| Jun 8, 7:57 PM MDT | Special Weather Statement | BIS | Dunn | 48 min |
| Jun 8, 8:34 PM MDT | Special Weather Statement | BIS | Burke, Mountrail, Renville, Ward | 41 min |
| Jun 8, 9:48 PM MDT | Special Weather Statement | BIS | Stark | 27 min |
| Jun 8, 10:14 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 61 min |
| Jun 8, 10:28 PM MDT | Areal Flood Advisory | BIS | Hettinger, Stark | 5 hr |
| Jun 8, 11:01 PM MDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Morton, Stark | 59 min |
| Jun 8, 11:43 PM MDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 47 min |
| Jun 9, 7:37 AM MDT | River Flood Warning | BIS | Morton, Sioux | 23 hr |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2021Every severe thunderstorm warning in 2021
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.