Alert archive / Michigan / Tornado Warnings in 2021

Tornado Warning 5, NWS Grand Rapids, MI

June 26, 2021Clinton County, Michigan

NWS Grand Rapids, MI issued this tornado warning at Jun 26, 2021, 5:05 PM EDT for Clinton County, Michigan. It was in force for 28 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, 5:05 PM EDT (21:05 UTC)
Expired
Jun 26, 2021, 5:33 PM EDT
In force
28 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Clinton County, MI

The radar

The Grand Rapids radar (KGRR), 73 km from the middle of the area, began a volume at 21:05 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, 9.1 hours before the alert went out and 102 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.

142 
WFUS53 KGRR 262105
TORGRR
MIC037-262200-
/O.NEW.KGRR.TO.W.0005.210626T2105Z-210626T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Rapids MI
505 PM EDT Sat Jun 26 2021

The National Weather Service in Grand Rapids has issued a

* Tornado Warning for...
  Clinton County in south central Michigan...

* Until 600 PM EDT.
    
* At 505 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Portland, moving east northeast at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  St. Johns and Elsie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4277 8483 4312 8484 4312 8437 4277 8437
TIME...MOT...LOC 2105Z 243DEG 29KT 4290 8492 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

LAURENS
2 follow-up statements
173 
WWUS53 KGRR 262118
SVSGRR

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

MIC037-262200-
/O.CON.KGRR.TO.W.0005.000000T0000Z-210626T2200Z/
Clinton MI-
518 PM EDT Sat Jun 26 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR CENTRAL
CLINTON COUNTY...
    
At 518 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Portland, moving northeast at 35
mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
St. Johns...           Elsie...               DeWitt...
Ovid...                Fowler...              Westphalia...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4297 8484 4312 8437 4281 8437 4289 8483
TIME...MOT...LOC 2118Z 244DEG 28KT 4294 8479 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

TJT
660 
WWUS53 KGRR 262133
SVSGRR

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

MIC037-262141-
/O.CAN.KGRR.TO.W.0005.000000T0000Z-210626T2200Z/
Clinton MI-
533 PM EDT Sat Jun 26 2021

...THE TORNADO WARNING FOR CLINTON COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe 
limits and has been replaced with a severe thunderstorm warning for 
most of Clinton County until 615 PM EDT. A Tornado Watch remains in 
effect until 800 PM EDT for south central and central Michigan.

LAT...LON 4297 8484 4312 8437 4281 8437 4289 8483
TIME...MOT...LOC 2128Z 243DEG 29KT 4299 8466 

$$

TJT

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, 5:20 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
Jun 26, 7:54 PM EDTSevere Thunderstorm WarningGRRVan Buren51 min

Nearby

Tornado Warnings in Michigan, 2021Every tornado warning in 2021Tornadoes 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.