Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 77, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 28, 2021, 7:42 PM CDT for Beltrami County, Minnesota. It was in force for 33 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
- Jul 28, 2021, 7:42 PM CDT (00:42 UTC)
- Expired
- Jul 28, 2021, 8:15 PM CDT
- In force
- 33 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Beltrami County, MN
The radar
The Duluth radar (KDLH), 188 km from the middle of the area, began a volume at 00:43 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 28, 8:02 PM CDT | HAIL 1.25 | 3 Sse Pennington, MN | LARGE HAIL REPORTED JUST EAST OF SCENIC HIGHWAY 39 AND KNUTSON DAM CAMPGROUND. |
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, 0.7 hours before the alert went out and 147 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
- 1306 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1077 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.6
The text
As transmitted.
388
WUUS53 KFGF 290042
SVRFGF
MNC007-290115-
/O.NEW.KFGF.SV.W.0077.210729T0042Z-210729T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
742 PM CDT Wed Jul 28 2021
The National Weather Service in Grand Forks has issued a
* Severe Thunderstorm Warning for...
Southeastern Beltrami County in north central Minnesota...
* Until 815 PM CDT.
* At 742 PM CDT, a severe thunderstorm was located near Pennington,
or 19 miles east of Bemidji, moving southeast at 35 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near...
Pennington around 750 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4741 9452 4755 9465 4766 9444 4764 9441
4741 9442
TIME...MOT...LOC 0042Z 322DEG 31KT 4756 9448
HAIL...1.00IN
WIND...<50MPH
$$
VG2 follow-up statements
194 WWUS53 KFGF 290059 SVSFGF Severe Weather Statement National Weather Service Grand Forks ND 759 PM CDT Wed Jul 28 2021 MNC007-290115- /O.CON.KFGF.SV.W.0077.000000T0000Z-210729T0115Z/ Beltrami MN- 759 PM CDT Wed Jul 28 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR SOUTHEASTERN BELTRAMI COUNTY... At 758 PM CDT, a severe thunderstorm was located over Schley, or 21 miles east of Bemidji, moving southeast at 35 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of southeastern Beltrami County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4741 9452 4747 9457 4752 9442 4741 9442 TIME...MOT...LOC 0058Z 332DEG 31KT 4741 9443 HAIL...1.00IN WIND...<50MPH $$ VG
383
WWUS53 KFGF 290108
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
808 PM CDT Wed Jul 28 2021
MNC007-290118-
/O.EXP.KFGF.SV.W.0077.000000T0000Z-210729T0115Z/
Beltrami MN-
808 PM CDT Wed Jul 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BELTRAMI COUNTY
WILL EXPIRE AT 815 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 4741 9452 4747 9457 4752 9442 4741 9442
TIME...MOT...LOC 0108Z 322DEG 31KT 4735 9436
$$
VGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 7:05 PM CDT | Special Weather Statement | FGF | Beltrami | 40 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.