Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 41, NWS Northern Indiana

June 26, 2021Berrien County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at Jun 26, 2021, 3:16 PM EDT for Berrien County, Michigan. It was in force for 32 min. 4 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, 3:16 PM EDT (19:16 UTC)
Expired
Jun 26, 2021, 3:48 PM EDT
In force
32 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Berrien County, MI

The radar

The Northern Indiana radar (KIWX), 103 km from the middle of the area, began a volume at 19:16 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, 3:25 PM EDTTSTM WND GST 461 N Benton Heights, MIASOS STATION KBEH BENTON HARBOR.
Jun 26, 3:30 PM EDTTSTM WND GST 49Saint Joseph, MISJOM4.
Jun 26, 3:35 PM EDTTSTM WND DMG2 S Benton Heights, MIA COUPLE REPORTS OF TREES DOWN ACROSS ROADS JUST SOUTH OF BENTON HEIGHTS. ADDITIONAL INFORMATION REGARDING TREE HEALTH OR EXACT INTERSECTIONS UNAVAILABLE.
Jun 26, 3:35 PM EDTTSTM WND DMG2 S Benton Heights, MI

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, 7.3 hours before the alert went out and 251 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.

410 
WUUS53 KIWX 261916
SVRIWX
MIC021-262000-
/O.NEW.KIWX.SV.W.0041.210626T1916Z-210626T2000Z/

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

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Northeastern Berrien County in southwestern Michigan...

* Until 400 PM EDT.

* At 316 PM EDT, a severe thunderstorm was located near St. Joseph,
  moving northeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Benton Harbor, St. Joseph, Fair Plain, Benton Heights, Watervliet,
  Coloma, Lake Michigan Beach, Paw Paw Lake, Riverside, Shoreham,
  Spinks Corners and Millburg.

This includes the following highways...
 Interstate 196 between mile markers 0 and 7.
 Interstate 94 in Michigan between mile markers 23 and 42.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM EDT for southwestern
Michigan.

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

&&

LAT...LON 4208 8622 4201 8660 4212 8654 4212 8649
      4219 8641 4224 8636 4224 8622
TIME...MOT...LOC 1916Z 245DEG 36KT 4215 8654 

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

MCS
3 follow-up statements
790 
WWUS53 KIWX 261936
SVSIWX

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

MIC021-262000-
/O.CON.KIWX.SV.W.0041.000000T0000Z-210626T2000Z/
Berrien MI-
336 PM EDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHEASTERN BERRIEN COUNTY...

At 336 PM EDT, a severe thunderstorm was located over Coloma, or near
Benton Heights, moving northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Benton Heights, Watervliet, Coloma, Paw Paw Lake, Spinks Corners and
Millburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM EDT for southwestern
Michigan.

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

&&

LAT...LON 4204 8643 4212 8641 4218 8638 4224 8633
      4224 8622 4208 8622
TIME...MOT...LOC 1936Z 255DEG 33KT 4217 8630 

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

MCS
092 
WWUS53 KIWX 261936 RRA
SVSIWX

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

MIC021-262000-
/O.CON.KIWX.SV.W.0041.000000T0000Z-210626T2000Z/
Berrien MI-
336 PM EDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHEASTERN BERRIEN COUNTY...

At 336 PM EDT, a severe thunderstorm was located over Coloma, or near
Benton Heights, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Benton Heights, Watervliet, Coloma, Paw Paw Lake, Spinks Corners and
Millburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM EDT for southwestern
Michigan.

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

&&

LAT...LON 4204 8643 4212 8641 4218 8638 4224 8633
      4224 8622 4208 8622
TIME...MOT...LOC 1936Z 255DEG 33KT 4217 8630 

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

MCS
511 
WWUS53 KIWX 261948
SVSIWX

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

MIC021-261958-
/O.CAN.KIWX.SV.W.0041.000000T0000Z-210626T2000Z/
Berrien MI-
348 PM EDT Sat Jun 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERRIEN COUNTY IS
CANCELLED...
                
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 has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until 800 PM EDT for southwestern
Michigan.

LAT...LON 4204 8643 4212 8641 4218 8638 4224 8633
      4224 8622 4208 8622
TIME...MOT...LOC 1946Z 245DEG 36KT 4222 8615 

$$

MCS

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, 3:30 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 26, 7:53 PM EDTSevere Thunderstorm WarningIWXCass, Saint Joseph52 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.