Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Marquette, MI

July 27, 2021Delta County, Menominee County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Jul 27, 2021, 1:09 AM EDT for Delta County, Menominee County, Michigan. It was in force for 51 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 27, 2021, 1:09 AM EDT (05:09 UTC)
Expired
Jul 27, 2021, 2:00 AM EDT
In force
51 min
Issued by
NWS Marquette, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Delta County, MI, Menominee County, MI

The radar

The Marquette radar (KMQT), 73 km from the middle of the area, began a volume at 05:10 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 27, 1:38 AM EDTTSTM WND DMGEscanaba, MIPICTURES FROM FACEBOOK SHOW MULTIPLE TREES DOWN IN THE ESCANABA AREA. TIME ESTIMATED VIA RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.2 hours before the alert went out and 179 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.

510 
WUUS53 KMQT 270509
SVRMQT
MIC041-109-270600-
/O.NEW.KMQT.SV.W.0039.210727T0509Z-210727T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Marquette MI
109 AM EDT Tue Jul 27 2021

The National Weather Service in Marquette has issued a

* Severe Thunderstorm Warning for...
  Delta County in south central Upper Michigan...
  Northeastern Menominee County in south central Upper Michigan...

* Until 200 AM EDT/100 AM CDT/.

* At 108 AM EDT/1208 AM CDT/, a severe thunderstorm was located 7
  miles southwest of Rock, or 16 miles northwest of Escanaba, moving
  southeast at 35 mph.

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

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Gladstone around 125 AM EDT.

Other locations in the path of this severe thunderstorm include Rapid
River.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4586 8748 4599 8737 4599 8724 4614 8724
      4616 8723 4615 8654 4565 8683 4563 8685
TIME...MOT...LOC 0508Z 296DEG 35KT 4596 8723 

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

BW
2 follow-up statements
345 
WWUS53 KMQT 270532
SVSMQT

Severe Weather Statement
National Weather Service Marquette MI
132 AM EDT Tue Jul 27 2021

MIC109-270542-
/O.CAN.KMQT.SV.W.0039.000000T0000Z-210727T0600Z/
Menominee MI-
132 AM EDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MENOMINEE COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4579 8727 4616 8693 4615 8654 4565 8683
      4563 8685
TIME...MOT...LOC 0532Z 296DEG 35KT 4586 8693 

$$

MIC041-270600-
/O.CON.KMQT.SV.W.0039.000000T0000Z-210727T0600Z/
Delta MI-
132 AM EDT Tue Jul 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM EDT
FOR NORTHERN DELTA COUNTY...

At 132 AM EDT, a severe thunderstorm was located near Gladstone, or
10 miles northeast of Escanaba, moving southeast at 40 mph.

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

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
northern Delta County, including the following locations...
Maplewood, Brampton, Ensign, Chicago Lake, Perkins, Round Lake,
Stonington and Nahma Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4579 8727 4616 8693 4615 8654 4565 8683
      4563 8685
TIME...MOT...LOC 0532Z 296DEG 35KT 4586 8693 

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

BW
021 
WWUS53 KMQT 270550
SVSMQT

Severe Weather Statement
National Weather Service Marquette MI
150 AM EDT Tue Jul 27 2021

MIC041-270600-
/O.EXP.KMQT.SV.W.0039.000000T0000Z-210727T0600Z/
Delta MI-
150 AM EDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN DELTA COUNTY WILL
EXPIRE AT 200 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 4579 8727 4616 8693 4615 8654 4565 8683
      4563 8685
TIME...MOT...LOC 0550Z 296DEG 35KT 4579 8674 

$$

BW

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, 10:42 PM EDTSevere Thunderstorm WarningMQTBaraga, Houghton, Iron33 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, 1:11 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.