Alert archive / North Dakota / Tornado Warnings in 2021
Tornado Warning 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 9, 2021, 8:28 PM CDT for Griggs County, Nelson County, North Dakota. It was in force for 32 min. 4 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
- Aug 9, 2021, 8:28 PM CDT (01:28 UTC)
- Expired
- Aug 9, 2021, 9:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.0 in
Counties Griggs County, ND, Nelson County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 74 km from the middle of the area, began a volume at 01:31 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 |
|---|---|---|---|
| Aug 9, 8:28 PM CDT | FUNNEL CLOUD | 3 Wsw Binford, ND | LARGE WALL CLOUD MOVING TOWARD BINFORD WITH A POSSIBLE FUNNEL CLOUD. |
| Aug 9, 8:34 PM CDT | TORNADO 0 | 3 E Binford, ND | A BRIEF TOUCHDOWN WAS NOTED AND RECORDED ON VIDEO BETWEEN 834 AND 835 PM CDT. THE TOUCHDOWN OCCURRED OVER AN OPEN FIELD AS THE STORM BECAME QUICKLY RAIN WRAPPED AND ADDITIONAL BRIEF TOUCHDOWNS MAY HAVE OCCURRED LATER IN THE EAST-NORTHEASTWARD PATH. PEAK WINDS |
| Aug 9, 8:35 PM CDT | HAIL 2.5 | 1 Ne Binford, ND | PHOTO AND REPORT POSTED VIA SOCIAL MEDIA. VIDEO AND TIME SENT SEPARATELY. THIS CORRECTS A PREVIOUS REPORT WITH AN INCORRECT TIME OF 650 PM CDT |
| Aug 9, 8:35 PM CDT | HAIL 2.75 | 7 N Binford, ND | PHOTO AND REPORT POSTED VIA SOCIAL MEDIA. HAIL WAS LARGER THAN THE DIAMETER OF A SODA CAN. TIME ESTIMATED BASED ON 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 |
|---|---|---|---|
| Aug 9, 4:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.5 hours before the alert went out and 202 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
- 296 J/kg
- Mixed-layer CIN
- -462 J/kg
- Mixed-layer LCL
- 1238 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
839
WFUS53 KFGF 100128
TORFGF
NDC039-063-100200-
/O.NEW.KFGF.TO.W.0004.210810T0128Z-210810T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
828 PM CDT Mon Aug 9 2021
The National Weather Service in Grand Forks has issued a
* Tornado Warning for...
South central Nelson County in northeastern North Dakota...
Northern Griggs County in southeastern North Dakota...
* Until 900 PM CDT.
* At 828 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Binford, or 44 miles southeast of Devils Lake,
moving east at 30 mph.
HAZARD...Tornado and hail up to two inches in diameter.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Jessie around 840 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4749 9849 4767 9850 4774 9809 4751 9799
TIME...MOT...LOC 0128Z 254DEG 24KT 4757 9836
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
$$
CJ2 follow-up statements
251
WWUS53 KFGF 100145
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
845 PM CDT Mon Aug 9 2021
NDC039-063-100200-
/O.CON.KFGF.TO.W.0004.000000T0000Z-210810T0200Z/
Nelson ND-Griggs ND-
845 PM CDT Mon Aug 9 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR SOUTH
CENTRAL NELSON AND NORTHEASTERN GRIGGS COUNTIES...
At 844 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Jessie, or 47 miles southeast of Devils Lake, moving
east at 30 mph.
HAZARD...Tornado and two inch hail.
SOURCE...Radar indicated rotation. At 8:28 PM CDT, a possible funnel
cloud was reported near Binford.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
south central Nelson and northeastern Griggs Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4750 9828 4770 9834 4774 9809 4751 9799
TIME...MOT...LOC 0144Z 254DEG 24KT 4760 9820
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
$$
CJ607
WWUS53 KFGF 100158
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
858 PM CDT Mon Aug 9 2021
NDC039-063-100207-
/O.EXP.KFGF.TO.W.0004.000000T0000Z-210810T0200Z/
Nelson ND-Griggs ND-
858 PM CDT Mon Aug 9 2021
...THE TORNADO WARNING FOR SOUTH CENTRAL NELSON AND NORTHEASTERN
GRIGGS COUNTIES WILL EXPIRE AT 900 PM CDT...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern and northeastern North Dakota.
LAT...LON 4750 9828 4770 9834 4774 9809 4751 9799
TIME...MOT...LOC 0157Z 254DEG 24KT 4762 9810
$$
TGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 7:04 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Towner | 56 min |
| Aug 9, 7:11 PM CDT | Tornado Warning | FGF | Cavalier, Ramsey, Towner | 34 min |
| Aug 9, 7:29 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Griggs, Nelson | 46 min |
| Aug 9, 7:57 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina, Ramsey, Walsh | 63 min |
| Aug 9, 8:08 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 27 min |
| Aug 9, 8:12 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Griggs, Nelson | 63 min |
| Aug 9, 8:52 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina | 38 min |
| Aug 9, 9:09 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele | 66 min |
| Aug 9, 9:20 PM CDT | Tornado Warning | FGF | Grand Forks, Nelson, Steele | 40 min |
| Aug 9, 9:42 PM CDT | Tornado Warning | FGF | Grand Forks | 48 min |
| Aug 9, 9:54 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele | 66 min |
| Aug 9, 10:08 PM CDT | Special Weather Statement | FGF | Pembina | 52 min |
| Aug 9, 10:30 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele, Traill | 30 min |
| Aug 9, 10:42 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 63 min |
Nearby
Tornado Warnings in North Dakota, 2021Every tornado warning in 2021Tornadoes 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.