Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 19, NWS Grand Rapids, MI

June 26, 2021Ingham County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 26, 2021, 5:20 PM EDT for Ingham County, Michigan. It was in force for 55 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, 5:20 PM EDT (21:20 UTC)
Expired
Jun 26, 2021, 6:15 PM EDT
In force
55 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Ingham County, MI

The radar

The Detroit radar (KDTX), 74 km from the middle of the area, began a volume at 21:24 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, 9.3 hours before the alert went out and 78 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°0°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.

892 
WUUS53 KGRR 262120
SVRGRR
MIC065-262215-
/O.NEW.KGRR.SV.W.0019.210626T2120Z-210626T2215Z/

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

The National Weather Service in Grand Rapids has issued a

* Severe Thunderstorm Warning for...
  Ingham County in south central Michigan...

* Until 615 PM EDT.

* At 518 PM EDT, severe thunderstorms were located along a line 
  extending from near Grand Ledge to 6 miles south of Charlotte, 
  moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lansing...             Mason...               East Lansing...
  Williamston...         Leslie...              Stockbridge...
  Edgemont Park...       Aurelius...            Onondaga...
  Bunker Hill...         Webberville...         Dansville...
  Eden...                Fitchburg...           Okemos...
  Bell Oak...            Holt...                Haslett...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

These storms have a history of producing wind damage. SEEK SHELTER
NOW inside a sturdy structure and stay away from windows!
 
&&

LAT...LON 4242 8460 4277 8460 4277 8437 4278 8436
      4278 8416 4272 8415 4243 8414
TIME...MOT...LOC 2118Z 257DEG 30KT 4276 8471 4247 8484 

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

MEADE

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, 5:29 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

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.