Alert archive / North Dakota / Flash Flood Watches in 2020
Flash Flood Watch 1, NWS Bismarck, ND
NWS Bismarck, ND issued this flash flood watch at Jun 7, 2020, 5:23 PM CDT for Dickey County, LaMoure County, McIntosh County, North Dakota. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jun 7, 2020, 5:23 PM CDT (22:23 UTC)
- Expired
- Jun 8, 2020, 2:41 AM CDT
- In force
- 9 hr
- Issued by
- NWS Bismarck, ND
- Flood severity
- None
Counties Dickey County, ND, LaMoure County, ND, McIntosh County, ND
The radar
The Aberdeen radar (KABR), 91 km from the middle of the area, began a volume at 22:23 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
Aberdeen, SD (KABR), launched 12:00Z, 10.4 hours before the alert went out and 151 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
- 1690 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 1215 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 539 m²/s²
- 0-3 km storm-relative helicity
- 503 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 17.5
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Jun 7, 4:31 PM CDT, 52 minutes earlier.
Area forecast discussion, Jun 7, 4:31 PM CDT, 52 minutes before
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</html>Hazardous weather outlook, Jun 7, 2:43 PM CDT, 2 hours 40 minutes before
Hazardous Weather Outlook National Weather Service Bismarck ND 243 PM CDT Sun Jun 7 2020 NDZ001-002-009-081945- Divide-Burke-Williams- 243 PM CDT Sun Jun 7 2020 This Hazardous Weather Outlook is for portions of northwest 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. NDZ003>005-010>013-017>023-031>036-040>046-081945- Renville-Bottineau-Rolette-Mountrail-Ward-McHenry-Pierce-McKenzie- Dunn-Mercer-Oliver-McLean-Sheridan-Wells-Golden Valley-Billings- Stark-Morton-Burleigh-Kidder-Slope-Hettinger-Grant-Bowman-Adams- Sioux-Emmons- 243 PM CDT Sun Jun 7 2020 /143 PM MDT Sun Jun 7 2020/ This Hazardous Weather Outlook is for portions of north central North Dakota, northwest North Dakota, south central North Dakota, and southwest North Dakota. .DAY ONE...This Afternoon and Tonight Isolated to scattered severe thunderstorms are possible across portions of west and central North Dakota late this afternoon and evening. The main hazards will be large hail up to two inches in diameter and damaging wind gusts up to 70 mph. .DAYS TWO THROUGH SEVEN...Monday through Saturday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters will be needed. NDZ025-037-047-048-050-051-081945- Foster-Stutsman-Logan-La Moure-McIntosh-Dickey- 243 PM CDT Sun Jun 7 2020 This Hazardous Weather Outlook is for portions of southeast North Dakota. .DAY ONE...This Afternoon and Tonight Numerous severe thunderstorms are expected across the southern James River Valley late this afternoon and evening. The main hazards will be a few tornadoes, destructive hail up to baseball size, and destructive wind gusts up to 80 mph. Very heavy rainfall is also likely with the storms. .DAYS TWO THROUGH SEVEN...Monday through Saturday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters will be needed.
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 8:04 PM CDT | Wind Advisory | BIS | Burke, Divide, McKenzie, Mountrail, Renville, Williams | 87 min |
| Jun 6, 8:40 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 65 min |
| Jun 6, 9:35 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 55 min |
| Jun 6, 9:47 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger, Slope, Stark | 58 min |
| Jun 6, 10:24 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 51 min |
| Jun 6, 11:09 PM CDT | Special Weather Statement | BIS | McLean, Mercer, Oliver | 51 min |
| Jun 6, 11:10 PM CDT | Special Weather Statement | BIS | Morton | 50 min |
| Jun 6, 11:42 PM CDT | Special Weather Statement | BIS | Ward | 48 min |
| Jun 6, 11:59 PM CDT | Special Weather Statement | BIS | McLean, Sheridan, Wells | 46 min |
| Jun 7, 12:11 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 49 min |
| Jun 7, 12:39 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 32 min |
| Jun 7, 6:04 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 56 min |
| Jun 7, 6:28 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 47 min |
| Jun 7, 6:44 PM CDT | Tornado Warning | BIS | McIntosh | 31 min |
| Jun 7, 6:48 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder, Logan | 57 min |
Nearby
Flash Flood Watches in North Dakota, 2020Every flash flood watch in 2020
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.