Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 76, NWS Grand Forks, ND

July 28, 2021Beltrami County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 28, 2021, 6:47 PM CDT for Beltrami County, Minnesota. It was in force for 28 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, 6:47 PM CDT (23:47 UTC)
Expired
Jul 28, 2021, 7:15 PM CDT
In force
28 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

County Beltrami County, MN

The radar

The Duluth radar (KDLH), 213 km from the middle of the area, began a volume at 23:51 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

TimeReportWhereRemark
Jul 28, 7:00 PM CDTHAIL 1.75Kelliher, MN

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 12:00Z, 11.8 hours before the alert went out and 115 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-pSkew-T log-p diagram, International Fa, MN at 12:00Z on 2021-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 285 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 12:00Z on 2021-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
285 J/kg
Mixed-layer CIN
-422 J/kg
Mixed-layer LCL
1229 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

794 
WUUS53 KFGF 282347
SVRFGF
MNC007-290015-
/O.NEW.KFGF.SV.W.0076.210728T2347Z-210729T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
647 PM CDT Wed Jul 28 2021

The National Weather Service in Grand Forks has issued a

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

* Until 715 PM CDT.

* At 647 PM CDT, a severe thunderstorm was located over Kelliher, or
  39 miles northeast of Bemidji, moving southeast at 30 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Kelliher around 650 PM CDT.
  Shooks around 700 PM CDT.

Other locations in the path of this severe thunderstorm include
Funkley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4797 9463 4807 9442 4772 9442
TIME...MOT...LOC 2347Z 324DEG 27KT 4797 9446 

HAIL...1.25IN
WIND...<50MPH
 
$$

VG
2 follow-up statements
051 
WWUS53 KFGF 282359
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
659 PM CDT Wed Jul 28 2021

MNC007-290015-
/O.CON.KFGF.SV.W.0076.000000T0000Z-210729T0015Z/
Beltrami MN-
659 PM CDT Wed Jul 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR EAST CENTRAL BELTRAMI COUNTY...

At 659 PM CDT, a severe thunderstorm was located over Kelliher, or 36
miles northeast of Bemidji, moving southeast at 30 mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe storm will be near...
  Shooks around 700 PM CDT.

Other locations in the path of this severe thunderstorm include
Funkley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4797 9463 4807 9442 4772 9442
TIME...MOT...LOC 2359Z 326DEG 25KT 4791 9442 

HAIL...1.25IN
WIND...<50MPH
 
$$

VG
134 
WWUS53 KFGF 290012
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
712 PM CDT Wed Jul 28 2021

MNC007-290022-
/O.EXP.KFGF.SV.W.0076.000000T0000Z-210729T0015Z/
Beltrami MN-
712 PM CDT Wed Jul 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BELTRAMI COUNTY
WILL EXPIRE AT 715 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4797 9463 4807 9442 4772 9442
TIME...MOT...LOC 0012Z 324DEG 27KT 4784 9434 

$$

VG

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 3:43 AM CDTSevere Thunderstorm WarningFGFWilkin39 min
Jul 28, 4:12 AM CDTSpecial Weather StatementFGFGrant63 min
Jul 28, 4:20 AM CDTSpecial Weather StatementFGFClay55 min
Jul 28, 4:31 AM CDTSpecial Weather StatementFGFWadena29 min
Jul 28, 4:40 AM CDTSpecial Weather StatementFGFMahnomen65 min
Jul 28, 5:15 AM CDTSpecial Weather StatementFGFHubbard60 min
Jul 28, 6:00 AM CDTSevere Thunderstorm WarningFGFBecker, Clearwater, Hubbard60 min
Jul 28, 7:04 AM CDTSpecial Weather StatementFGFBeltrami56 min
Jul 28, 8:32 AM CDTSpecial Weather StatementFGFHubbard43 min
Jul 28, 9:44 AM CDTSpecial Weather StatementFGFBeltrami61 min
Jul 28, 9:56 AM CDTSevere Thunderstorm WarningFGFBeltrami19 min
Jul 28, 11:20 AM CDTSevere Thunderstorm WarningFGFLake of the Woods55 min
Jul 28, 6:03 PM CDTSpecial Weather StatementFGFBeltrami27 min
Jul 28, 6:40 PM CDTSpecial Weather StatementFGFBeltrami35 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.