Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 48, NWS Northern Indiana

June 26, 2021Cass County, Saint Joseph County, Michigan; Elkhart County, Saint Joseph County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 26, 2021, 7:53 PM EDT for Cass County, Saint Joseph County, Michigan; Elkhart County, Saint Joseph County, Indiana. It was in force for 52 min. 5 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 26, 2021, 7:53 PM EDT (23:53 UTC)
Expired
Jun 26, 2021, 8:45 PM EDT
In force
52 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Elkhart County, IN, Saint Joseph County, IN, Cass County, MI, Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 55 km from the middle of the area, began a volume at 23:53 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
Jun 26, 7:55 PM EDTTSTM WND DMGGranger, INSEVERAL REPORTS OF TREES OR POWER LINES DOWNED AROUND GRANGER, IN. NO ADDITIONAL INFORMATION AVAILABLE.
Jun 26, 7:59 PM EDTTSTM WND GST 65Osceola, INWINDS ESTIMATED AT LEAST 65 MPH. TREES BENDING A LOT. HEAVY RAIN.
Jun 26, 8:00 PM EDTTSTM WND DMG2 S Simonton Lake, INDISPATCH REPORTED NUMEROUS REPORTS OF TREES AND POWER LINES DOWN ACROSS THE NORTHERN PART OF THE COUNTY, GENERALLY NORTH OF US 20.
Jun 26, 8:00 PM EDTTSTM WND DMGMagician Lake, MINUMEROUS TREES DOWNED.
Jun 26, 8:22 PM EDTTSTM WND DMGConstantine, MILOCAL MEDIA RELAYED THROUGH TWITTER NUMEROUS REPORTS OF DOWNED POWER LINES IN THREE RIVERS, CONSTANTINE, AND FABIUS PARK.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 26, 1:05 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 11.9 hours before the alert went out and 210 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, Detroit, MI at 12:00Z on 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 492 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, Detroit, MI at 12:00Z on 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
492 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
493 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

053 
WUUS53 KIWX 262353
SVRIWX
INC039-141-MIC027-149-270045-
/O.NEW.KIWX.SV.W.0048.210626T2353Z-210627T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
753 PM EDT Sat Jun 26 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Northern Elkhart County in north central Indiana...
  Northeastern St. Joseph County in north central Indiana...
  Cass County in southwestern Michigan...
  St. Joseph County in southwestern Michigan...

* Until 845 PM EDT.

* At 752 PM EDT, severe thunderstorms were located along a line
  extending from near Berrien Springs to near Roseland to near
  Mishawaka, moving northeast at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Dowagiac around 800 PM EDT.
  Elkhart, Simonton Lake and Edwardsburg around 805 PM EDT.
  Bristol around 810 PM EDT.
  Cassopolis around 815 PM EDT.
  Constantine and White Pigeon around 825 PM EDT.
  Three Rivers and Marcellus around 830 PM EDT.
  Centreville around 835 PM EDT.
  Colon around 845 PM EDT.

Other locations impacted by these severe thunderstorms include
Magician Lake, Dewey Lake, Vandalia, Nottawa, La Grange, Adamsville,
Klinger Lake, Juno Lake, Indian Lake and Donnell Lake.

This includes Interstate 80 in Indiana between mile markers 81 and
108.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for north central
Indiana...and southwestern Michigan.

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

&&

LAT...LON 4207 8529 4186 8529 4176 8562 4176 8566
      4175 8566 4162 8607 4175 8622 4207 8622
TIME...MOT...LOC 2352Z 233DEG 45KT 4200 8627 4175 8629 4161 8613 

HAIL...<.75IN
WIND...60MPH
 
$$

JBALL
3 follow-up statements
921 
WWUS53 KIWX 270011 RRA
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
811 PM EDT Sat Jun 26 2021

INC039-141-270020-
/O.CAN.KIWX.SV.W.0048.000000T0000Z-210627T0045Z/
Elkhart IN-St. Joseph IN-
811 PM EDT Sat Jun 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ELKHART AND
NORTHEASTERN ST. JOSEPH COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM EDT for north central
Indiana...and southwestern Michigan.

LAT...LON 4207 8529 4186 8529 4176 8562 4176 8621
      4207 8622
TIME...MOT...LOC 0010Z 232DEG 48KT 4202 8603 4189 8605 4181 8590 

$$

MIC027-149-270045-
/O.CON.KIWX.SV.W.0048.000000T0000Z-210627T0045Z/
Cass MI-St. Joseph MI-
811 PM EDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR CASS AND ST. JOSEPH COUNTIES...

At 810 PM EDT, severe thunderstorms were located along a line
extending from near Dowagiac to near Cassopolis to near Simonton
Lake, moving northeast at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  White Pigeon around 820 PM EDT.
  Constantine and Marcellus around 825 PM EDT.
  Three Rivers around 830 PM EDT.
  Centreville around 835 PM EDT.

Other locations impacted by these severe thunderstorms include
Magician Lake, Dewey Lake, Vandalia, Nottawa, La Grange, Adamsville,
Klinger Lake, Juno Lake, Indian Lake and Donnell Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for north central
Indiana...and southwestern Michigan.

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

&&

LAT...LON 4207 8529 4186 8529 4176 8562 4176 8621
      4207 8622
TIME...MOT...LOC 0010Z 232DEG 48KT 4202 8603 4189 8605 4181 8590 

HAIL...<.75IN
WIND...60MPH
 
$$

JBALL
549 
WWUS53 KIWX 270023
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
823 PM EDT Sat Jun 26 2021

MIC027-149-270045-
/O.CON.KIWX.SV.W.0048.000000T0000Z-210627T0045Z/
Cass MI-St. Joseph MI-
823 PM EDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHEASTERN CASS AND ST. JOSEPH COUNTIES...

At 822 PM EDT, severe thunderstorms were located along a line
extending from near Decatur to 6 miles southwest of Marcellus to near
Constantine, moving northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Three Rivers around 830 PM EDT.
  Centreville around 835 PM EDT.

Other locations impacted by these severe thunderstorms include
Vandalia, Nottawa, Moore Park, La Grange, Paradise Lake, Mendon,
Klinger Lake, Donnell Lake, Fishers Lake and Fairfax.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for southwestern
Michigan.

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

&&

LAT...LON 4207 8529 4186 8529 4176 8562 4190 8609
      4207 8597
TIME...MOT...LOC 0022Z 233DEG 45KT 4210 8589 4197 8591 4189 8576 

HAIL...<.75IN
WIND...60MPH
 
$$

JBALL
907 
WWUS53 KIWX 270036
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
836 PM EDT Sat Jun 26 2021

MIC027-149-270045-
/O.EXP.KIWX.SV.W.0048.000000T0000Z-210627T0045Z/
Cass MI-St. Joseph MI-
836 PM EDT Sat Jun 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CASS AND ST.
JOSEPH COUNTIES WILL EXPIRE AT 845 PM EDT...
    
The storms which prompted the warning are weakening and likely below 
severe limits, and will soon exit the warned area. Therefore, the 
warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 PM EDT for southwestern
Michigan.

LAT...LON 4207 8529 4186 8529 4176 8562 4190 8609
      4207 8597
TIME...MOT...LOC 0035Z 233DEG 45KT 4219 8572 4206 8574 4198 8559 

$$

JBALL

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 2:29 AM EDTSpecial Weather StatementIWXSaint Joseph61 min
Jun 26, 2:55 AM EDTSpecial Weather StatementIWXSaint Joseph65 min
Jun 26, 3:28 AM EDTSpecial Weather StatementIWXSaint Joseph32 min
Jun 26, 10:35 AM EDTRiver Flood WarningIWXBerrien70 hr
Jun 26, 3:16 PM EDTSevere Thunderstorm WarningIWXBerrien32 min
Jun 26, 3:30 PM EDTSpecial Weather StatementIWXBerrien30 min
Jun 26, 4:16 PM EDTSpecial Weather StatementIWXCass29 min
Jun 26, 4:25 PM EDTTornado WarningIWXCass25 min
Jun 26, 4:38 PM EDTSevere Thunderstorm WarningIWXBerrien24 min
Jun 26, 4:59 PM EDTTornado WarningIWXCass, Saint Joseph17 min
Jun 26, 5:07 PM EDTSpecial Weather StatementIWXCass23 min
Jun 26, 7:16 PM EDTSevere Thunderstorm WarningIWXBerrien44 min
Jun 25, 9:17 PM EDTTornado WarningIWXCass28 min
Jun 25, 9:24 PM EDTTornado WarningIWXDeKalb14 min
Jun 25, 9:43 PM EDTTornado WarningIWXCass9 min
Jun 25, 10:37 PM EDTTornado WarningIWXFulton, Pulaski38 min
Jun 25, 10:58 PM EDTAreal Flood AdvisoryIWXFulton, Kosciusko, Pulaski3 hr
Jun 25, 11:52 PM EDTAreal Flood AdvisoryIWXFulton, Kosciusko, Marshall, Starke3 hr
Jun 25, 11:58 PM EDTSpecial Weather StatementIWXKosciusko32 min
Jun 26, 1:24 AM EDTAreal Flood AdvisoryIWXElkhart, Kosciusko, LaPorte, Marshall, Saint Joseph, Starke3 hr
Jun 26, 1:28 AM EDTSpecial Weather StatementIWXElkhart32 min
Jun 26, 1:59 AM EDTSpecial Weather StatementIWXElkhart31 min
Jun 26, 10:35 AM EDTRiver Flood WarningIWXLaPorte, Saint Joseph, Starke5 days
Jun 26, 1:36 PM EDTSpecial Marine WarningIWX114 min
Jun 26, 3:26 PM EDTSpecial Marine WarningIWX34 min
Jun 26, 3:58 PM EDTSevere Thunderstorm WarningIWXLaPorte, Starke47 min
Jun 26, 4:09 PM EDTTornado WarningIWXSaint Joseph36 min
Jun 26, 6:16 PM EDTSpecial Marine WarningIWX95 min
Jun 26, 6:44 PM EDTSevere Thunderstorm WarningIWXLaPorte, Pulaski, Starke61 min
Jun 26, 7:20 PM EDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke40 min
Jun 26, 7:31 PM EDTTornado WarningIWXLaPorte, Saint Joseph14 min
Jun 26, 7:49 PM EDTSevere Thunderstorm WarningIWXPulaski, Starke, White41 min
Jun 26, 7:59 PM EDTSpecial Weather StatementIWXElkhart31 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2021Severe Thunderstorm Warnings in Indiana, 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.