Alert archive / North Dakota / Flash Flood Warnings in 2020
Flash Flood Warning 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jul 4, 2020, 6:15 AM CDT for Pembina County, Walsh County, North Dakota; Kittson County, Marshall County, Minnesota. It was in force for 8 hr. 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 4, 2020, 6:15 AM CDT (11:15 UTC)
- Expired
- Jul 4, 2020, 2:15 PM CDT
- In force
- 8 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kittson County, MN, Marshall County, MN, Pembina County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 121 km from the middle of the area, began a volume at 11:18 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 4, 8:30 AM CDT | FLASH FLOOD | 2 Nne Robbin, MN | 2 TO 4 INCHES OF RAIN ACROSS NORTHERN TEIEN TOWNSHIP PRODUCED WIDESPREAD FIELD AND FARM ACCESS ROAD FLOODING, ALONG WITH FLOODING OF LOCAL COULEES. THIS WAS RAIN ON TOP OF SATURATED SOIL FROM EARLIER IN THE WEEK, WITH TOTAL RAINFALL IN EXCESS OF 5 INCHES. |
| Jul 4, 8:30 AM CDT | FLASH FLOOD | 2 Nne Robbin, MN | 2 TO 4 INCHES OF RAIN ACROSS NORTHERN TEIEN TOWNSHIP PRODUCED WIDESPREAD FIELD AND FARM ACCESS ROAD FLOODING, ALONG WITH FLOODING OF LOCAL COULEES. THIS WAS RAIN ON TOP OF SATURATED SOIL FROM EARLIER IN THE WEEK, WITH TOTAL RAINFALL IN EXCESS OF 5 INCHES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 11.3 hours before the alert went out and 289 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
- 1345 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1926 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- -33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
069
WGUS53 KFGF 041115
FFWFGF
MNC069-089-NDC067-099-041915-
/O.NEW.KFGF.FF.W.0004.200704T1115Z-200704T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Grand Forks ND
615 AM CDT Sat Jul 4 2020
The National Weather Service in Grand Forks has issued a
* Flash Flood Warning for...
Southwestern Kittson County in northwestern Minnesota...
Northwestern Marshall County in northwestern Minnesota...
Southeastern Pembina County in northeastern North Dakota...
Northeastern Walsh County in northeastern North Dakota...
* Until 215 PM CDT Saturday.
* At 615 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Drayton, Joliette, Bowesmont, Robbin, Herrick and American Crystal
Sugar.
This includes the following highways...
Interstate 29 between mile markers 182 and 204.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message - Turn around, don't drown. Don't travel through
flooded areas. Most flood deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses
as well as other drainage areas and low lying spots.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4858 9724 4861 9736 4878 9745 4883 9725
4880 9710 4847 9704 4849 9714 4849 9723
4854 9722
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25-2 INCHES IN 4 HOURS
$$
CJThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 2:26 AM CDT | Severe Thunderstorm Warning | FGF | Pembina | 39 min |
| Jul 4, 3:57 AM CDT | Special Weather Statement | FGF | Pembina | 63 min |
| Jul 4, 4:18 AM CDT | Special Weather Statement | FGF | Grand Forks | 57 min |
| Jul 4, 4:55 AM CDT | Areal Flood Advisory | FGF | Grand Forks, Pembina, Walsh | 14 hr |
| Jul 4, 6:08 AM CDT | Flash Flood Warning | FGF | Grand Forks, Walsh | 8 hr |
| Jul 4, 8:47 AM CDT | Special Weather Statement | FGF | Grand Forks | 58 min |
| Jul 4, 9:13 AM CDT | River Flood Warning | FGF | Grand Forks, Walsh | 4 days |
| Jul 4, 9:13 AM CDT | River Flood Warning | FGF | Pembina, Walsh | 6 days |
| Jul 4, 9:13 AM CDT | River Flood Warning | FGF | Pembina | 7 days |
| Jul 4, 4:06 PM CDT | Special Weather Statement | FGF | Cass | 54 min |
| Jul 4, 4:14 PM CDT | Special Weather Statement | FGF | Ransom | 61 min |
| Jul 4, 4:52 PM CDT | Special Weather Statement | FGF | Ransom | 53 min |
| Jul 4, 5:08 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland | 19 min |
| Jul 4, 5:47 PM CDT | Special Weather Statement | FGF | Ransom | 58 min |
| Jul 3, 7:43 PM CDT | Special Weather Statement | FGF | Roseau | 62 min |
| Jul 3, 8:57 PM CDT | Special Weather Statement | FGF | Lake of the Woods | 63 min |
| Jul 3, 9:51 PM CDT | Special Weather Statement | FGF | Lake of the Woods | 54 min |
| Jul 3, 11:58 PM CDT | Special Weather Statement | FGF | Roseau | 62 min |
| Jul 4, 12:02 AM CDT | Special Weather Statement | FGF | Marshall | 58 min |
| Jul 4, 12:07 AM CDT | Severe Thunderstorm Warning | FGF | Marshall, Polk | 25 min |
| Jul 4, 12:32 AM CDT | Special Weather Statement | FGF | Kittson | 58 min |
| Jul 4, 1:32 AM CDT | Special Weather Statement | FGF | Roseau | 58 min |
| Jul 4, 1:36 AM CDT | Special Weather Statement | FGF | Kittson, Marshall | 54 min |
| Jul 4, 2:05 AM CDT | Flash Flood Warning | FGF | Kittson, Marshall | 9 hr |
| Jul 4, 2:13 AM CDT | Areal Flood Advisory | FGF | Kittson, Marshall | 9 hr |
| Jul 4, 10:09 AM CDT | Special Weather Statement | FGF | Polk | 66 min |
| Jul 4, 11:29 AM CDT | Areal Flood Advisory | FGF | Kittson, Marshall | 8 hr |
| Jul 4, 5:01 PM CDT | Special Weather Statement | FGF | Polk, Red Lake | 44 min |
| Jul 4, 5:21 PM CDT | Special Weather Statement | FGF | Beltrami | 54 min |
| Jul 4, 5:45 PM CDT | Special Weather Statement | FGF | Polk, Red Lake | 60 min |
| Jul 4, 5:57 PM CDT | Special Weather Statement | FGF | Roseau | 63 min |
| Jul 4, 6:01 PM CDT | Special Weather Statement | FGF | Lake of the Woods | 59 min |
| Jul 4, 6:09 PM CDT | Special Weather Statement | FGF | Beltrami | 66 min |
| Jul 4, 6:24 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Marshall, Roseau | 36 min |
| Jul 4, 6:25 PM CDT | Areal Flood Advisory | FGF | Polk, Red Lake | 12 hr |
| Jul 4, 6:42 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Marshall | 48 min |
| Jul 4, 6:51 PM CDT | Special Weather Statement | FGF | Lake of the Woods | 39 min |
Nearby
Flash Flood Warnings in North Dakota, 2020Flash Flood Warnings in Minnesota, 2020Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.