Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 33, NWS Marquette, MI

July 26, 2021Baraga County, Houghton County, Iron County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Jul 26, 2021, 10:42 PM EDT for Baraga County, Houghton County, Iron County, Michigan. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 26, 2021, 10:42 PM EDT (02:42 UTC)
Expired
Jul 26, 2021, 11:15 PM EDT
In force
33 min
Issued by
NWS Marquette, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Baraga County, MI, Houghton County, MI, Iron County, MI

The radar

The Marquette radar (KMQT), 89 km from the middle of the area, began a volume at 02:43 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.7 hours before the alert went out and 234 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, Green Bay/Straub, WI at 00:00Z on 2021-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 591 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2021-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.19395878Sfc1 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
591 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
2073 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted.

445 
WUUS53 KMQT 270242
SVRMQT
MIC013-061-071-270315-
/O.NEW.KMQT.SV.W.0033.210727T0242Z-210727T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Marquette MI
1042 PM EDT Mon Jul 26 2021

The National Weather Service in Marquette has issued a

* Severe Thunderstorm Warning for...
  North central Iron County in south central Upper Michigan...
  Southwestern Houghton County in western Upper Michigan...
  Southwestern Baraga County in north central Upper Michigan...

* Until 1115 PM EDT/1015 PM CDT/.

* At 1042 PM EDT/942 PM CDT/, a severe thunderstorm was located 7
  miles north of Sidnaw, or 17 miles southwest of Baraga, moving
  southeast at 30 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...
  Sidnaw around 1055 PM EDT.
  Covington around 1100 PM EDT.

Other locations in the path of this severe thunderstorm include U.S.
141 between Covington and Amasa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4665 8890 4671 8871 4641 8837 4627 8871
TIME...MOT...LOC 0242Z 330DEG 25KT 4660 8876 

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

EK/07
1 follow-up statement
800 
WWUS53 KMQT 270304
SVSMQT

Severe Weather Statement
National Weather Service Marquette MI
1104 PM EDT Mon Jul 26 2021

MIC013-061-071-270315-
/O.CON.KMQT.SV.W.0033.000000T0000Z-210727T0315Z/
Iron MI-Houghton MI-Baraga MI-
1104 PM EDT Mon Jul 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM
EDT/1015 PM CDT/ FOR NORTH CENTRAL IRON...SOUTHWESTERN HOUGHTON AND
SOUTHWESTERN BARAGA COUNTIES...

At 1103 PM EDT/1003 PM CDT/, a severe thunderstorm was located near
Sidnaw, or 21 miles southwest of L'anse, moving southeast at 30 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  U.S. 141 between Covington and Amasa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4665 8890 4671 8871 4641 8837 4627 8871
TIME...MOT...LOC 0303Z 330DEG 25KT 4647 8865 

HAIL...0.75IN
WIND...60MPH
 
$$

EK/07

The office that day

Everything else NWS Marquette, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 8:12 PM EDTSevere Thunderstorm WarningMQTDickinson, Menominee33 min
Jul 26, 8:42 PM EDTSevere Thunderstorm WarningMQTDelta, Menominee33 min
Jul 26, 8:58 PM EDTSpecial Weather StatementMQTDelta32 min
Jul 26, 9:13 PM EDTSpecial Marine WarningMQT62 min
Jul 26, 10:01 PM EDTSpecial Weather StatementMQTOntonagon29 min
Jul 26, 10:05 PM EDTSpecial Weather StatementMQTGogebic, Ontonagon25 min
Jul 26, 10:12 PM EDTSevere Thunderstorm WarningMQTGogebic, Ontonagon33 min
Jul 26, 10:36 PM EDTSpecial Weather StatementMQTOntonagon24 min
Jul 26, 10:43 PM EDTSevere Thunderstorm WarningMQTGogebic, Ontonagon47 min
Jul 26, 11:08 PM EDTSpecial Weather StatementMQTIron52 min
Jul 26, 11:26 PM EDTSevere Thunderstorm WarningMQTGogebic, Iron49 min
Jul 26, 11:53 PM EDTSevere Thunderstorm WarningMQTDickinson, Iron52 min
Jul 26, 11:55 PM EDTSpecial Weather StatementMQTDelta35 min
Jul 27, 12:03 AM EDTSpecial Weather StatementMQTDickinson57 min
Jul 27, 12:43 AM EDTSevere Thunderstorm WarningMQTDelta, Dickinson, Marquette, Menominee32 min
Jul 27, 12:47 AM EDTSevere Thunderstorm WarningMQTDickinson, Menominee43 min
Jul 27, 1:09 AM EDTSevere Thunderstorm WarningMQTDelta, Menominee51 min
Jul 27, 1:11 AM EDTSpecial Marine WarningMQT64 min
Jul 27, 1:23 AM EDTSpecial Weather StatementMQTMenominee52 min
Jul 27, 1:25 AM EDTSpecial Marine WarningMQT42 min
Jul 27, 1:42 AM EDTSpecial Marine WarningMQT63 min
Jul 27, 1:49 AM EDTSpecial Weather StatementMQTSchoolcraft56 min

Nearby

Severe Thunderstorm Warnings in Michigan, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.