Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 22, NWS Grand Rapids, MI

June 26, 2021Van Buren County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 26, 2021, 7:54 PM EDT for Van Buren County, Michigan. It was in force for 51 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
Jun 26, 2021, 7:54 PM EDT (23:54 UTC)
Expired
Jun 26, 2021, 8:45 PM EDT
In force
51 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 92 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.

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 223 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.

939 
WUUS53 KGRR 262354
SVRGRR
MIC159-270045-
/O.NEW.KGRR.SV.W.0022.210626T2354Z-210627T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Rapids MI
754 PM EDT Sat Jun 26 2021

The National Weather Service in Grand Rapids has issued a

* Severe Thunderstorm Warning for...
  Southeastern Van Buren County in southwestern Michigan...

* Until 845 PM EDT.

* At 753 PM EDT, severe thunderstorms were located along a line
  extending from near Watervliet to near South Bend, moving northeast
  at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Paw Paw...             Hartford...            Mattawan...
  Lawton...              Decatur...             Keeler...
  Lawrence...            

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 8622 4219 8622 4235 8577 4207 8576
TIME...MOT...LOC 2353Z 233DEG 41KT 4214 8622 4165 8626 

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

MEADE
3 follow-up statements
197 
WWUS53 KGRR 270017
SVSGRR

Severe Weather Statement
National Weather Service Grand Rapids MI
817 PM EDT Sat Jun 26 2021

MIC159-270045-
/O.CON.KGRR.SV.W.0022.000000T0000Z-210627T0045Z/
Van Buren MI-
817 PM EDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHEASTERN VAN BUREN COUNTY...

At 816 PM EDT, a severe thunderstorm was located near Decatur, or 8
miles southwest of Paw Paw, moving northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Paw Paw...             Mattawan...            Lawton...
Decatur...             Lawrence...            

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4207 8612 4222 8612 4235 8577 4207 8576
TIME...MOT...LOC 0016Z 239DEG 37KT 4213 8601 

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

DUKE
359 
WWUS53 KGRR 270028
SVSGRR

Severe Weather Statement
National Weather Service Grand Rapids MI
828 PM EDT Sat Jun 26 2021

MIC159-270045-
/O.CON.KGRR.SV.W.0022.000000T0000Z-210627T0045Z/
Van Buren MI-
828 PM EDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHEASTERN VAN BUREN COUNTY...

At 827 PM EDT, a severe thunderstorm was located over Mattawan, or
near Paw Paw, moving northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Paw Paw...             Mattawan...            Lawton...
Decatur...             

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4207 8597 4227 8599 4235 8577 4207 8576
TIME...MOT...LOC 0027Z 229DEG 44KT 4220 8578 

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

DUKE
788 
WWUS53 KGRR 270041
SVSGRR

Severe Weather Statement
National Weather Service Grand Rapids MI
841 PM EDT Sat Jun 26 2021

MIC159-270050-
/O.EXP.KGRR.SV.W.0022.000000T0000Z-210627T0045Z/
Van Buren MI-
841 PM EDT Sat Jun 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN VAN BUREN COUNTY
WILL EXPIRE AT 845 PM EDT...
        
The storm which prompted the warning has moved out of the 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 8597 4227 8599 4235 8577 4207 8576
TIME...MOT...LOC 0040Z 233DEG 41KT 4228 8564 

$$

DUKE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:57 PM EDTMarine Dense Fog AdvisoryGRR14 hr
Jun 26, 3:32 AM EDTSmall Craft AdvisoryGRR36 hr
Jun 26, 11:37 AM EDTAreal Flood AdvisoryGRRAllegan, Ionia, Kent, Montcalm, Ottawa4 hr
Jun 26, 12:56 PM EDTSpecial Marine WarningGRR3 hr
Jun 26, 2:36 PM EDTAreal Flood AdvisoryGRRMuskegon4 hr
Jun 26, 3:10 PM EDTAreal Flood WarningGRRAllegan, Barry, Ionia, Kalamazoo, Kent, Montcalm and 2 more43 hr
Jun 26, 3:25 PM EDTSevere Thunderstorm WarningGRRAllegan57 min
Jun 26, 3:31 PM EDTSevere Thunderstorm WarningGRRMecosta59 min
Jun 26, 3:39 PM EDTTornado WarningGRRClare, Isabella, Mecosta15 min
Jun 26, 3:49 PM EDTBeach Hazards StatementGRRAllegan, Muskegon, Oceana, Ottawa, Van Buren24 hr
Jun 26, 4:44 PM EDTTornado WarningGRRIonia31 min
Jun 26, 4:55 PM EDTSevere Thunderstorm WarningGRRBarry, Calhoun, Eaton, Kalamazoo65 min
Jun 26, 4:58 PM EDTTornado Warning Tornado observedGRRCalhoun, Eaton47 min
Jun 26, 5:05 PM EDTTornado WarningGRRClinton28 min
Jun 26, 5:20 PM EDTSevere Thunderstorm WarningGRRIngham55 min
Jun 26, 5:29 PM EDTTornado WarningGRRCalhoun, Kalamazoo61 min
Jun 26, 5:30 PM EDTSevere Thunderstorm WarningGRRClinton17 min
Jun 26, 5:32 PM EDTTornado Warning Tornado observedGRRIngham58 min
Jun 26, 5:43 PM EDTTornado WarningGRREaton32 min
Jun 26, 5:45 PM EDTAreal Flood AdvisoryGRRCalhoun, Clinton, Eaton, Ingham, Jackson2 hr
Jun 26, 6:12 PM EDTTornado WarningGRRCalhoun, Eaton, Ingham, Jackson63 min
Jun 26, 6:28 PM EDTTornado WarningGRRIngham32 min
Jun 26, 7:14 PM EDTSevere Thunderstorm WarningGRRCalhoun, Ingham, Jackson61 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.