Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 44, NWS Grand Forks, ND

June 18, 2021Beltrami County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 18, 2021, 7:53 PM CDT for Beltrami County, Minnesota. It was in force for 37 min. 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: Jun 18, 2021, 7:53 PM CDT (00:53 UTC)
Expired: Jun 18, 2021, 8:30 PM CDT
In force: 37 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Beltrami County, MN

The radar

The Duluth radar (KDLH), 197 km from the middle of the area, began a volume at 00:57 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 18, 8:00 PM CDT	HAIL 1	4 W Pennington, MN	PHOTO RECIEVED OF 1 INCH HAIL 15 MILES EAST OF BEMIDJI.
Jun 18, 8:05 PM CDT	HAIL 1	5 N Pennington, MN	1 INCH HAIL REPORTED VIA WEBCAMERA NEAR PIMUSHE RESORT.

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, 0.9 hours before the alert went out and 153 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1623 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -40 m²/s²
0-3 km storm-relative helicity: -78 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

843 
WUUS53 KFGF 190053
SVRFGF
MNC007-190130-
/O.NEW.KFGF.SV.W.0044.210619T0053Z-210619T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
753 PM CDT Fri Jun 18 2021

The National Weather Service in Grand Forks has issued a

* Severe Thunderstorm Warning for...
  Southeastern Beltrami County in north central Minnesota...

* Until 830 PM CDT.

* At 753 PM CDT, a severe thunderstorm was located near Turtle River,
  or 10 miles east of Bemidji, moving east at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Pennington around 810 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4743 9475 4761 9479 4766 9442 4745 9441
TIME...MOT...LOC 0053Z 262DEG 30KT 4753 9466 

HAIL...1.00IN
WIND...60MPH
 
$$

Riddle

2 follow-up statements

740 
WWUS53 KFGF 190117
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
817 PM CDT Fri Jun 18 2021

MNC007-190130-
/O.CON.KFGF.SV.W.0044.000000T0000Z-210619T0130Z/
Beltrami MN-
817 PM CDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHEASTERN BELTRAMI COUNTY...

At 816 PM CDT, a severe thunderstorm was located near Dixon Lake, or
23 miles east of Bemidji, moving east at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

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 4743 9475 4761 9479 4766 9442 4745 9441
TIME...MOT...LOC 0116Z 261DEG 28KT 4756 9439 

HAIL...1.00IN
WIND...60MPH
 
$$

Riddle

375 
WWUS53 KFGF 190124
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
824 PM CDT Fri Jun 18 2021

MNC007-190134-
/O.EXP.KFGF.SV.W.0044.000000T0000Z-210619T0130Z/
Beltrami MN-
824 PM CDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BELTRAMI COUNTY
WILL EXPIRE AT 830 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4743 9475 4761 9479 4766 9442 4745 9441
TIME...MOT...LOC 0124Z 262DEG 30KT 4757 9433 

$$

Riddle

Nearby

Severe Thunderstorm Warnings in Minnesota, 2021 Every 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.