Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 14, NWS Northern Indiana

June 19, 2021Hillsdale County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at Jun 19, 2021, 9:59 PM EDT for Hillsdale County, Michigan. It was in force for 17 min. 1 report 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 19, 2021, 9:59 PM EDT (01:59 UTC)
Expired: Jun 19, 2021, 10:16 PM EDT
In force: 17 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Hillsdale County, MI

The radar

The Northern Indiana radar (KIWX), 116 km from the middle of the area, began a volume at 02:00 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

Time	Report	Where	Remark
Jun 19, 10:00 PM EDT	HAIL 2.75	Pittsford, 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.

Issued	Product	Office	Lasted
Jun 19, 8:50 PM EDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 2.0 hours before the alert went out and 132 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 36 J/kg
Mixed-layer CIN: -214 J/kg
Mixed-layer LCL: 969 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

108 
WUUS53 KIWX 200159
SVRIWX
MIC059-200230-
/O.NEW.KIWX.SV.W.0014.210620T0159Z-210620T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
959 PM EDT Sat Jun 19 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Southeastern Hillsdale County in southeastern Michigan...

* Until 1030 PM EDT.

* At 958 PM EDT, a severe thunderstorm was located near Hudson,
  moving east at 40 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Hudson, Pittsford, Waldron, Prattville and Betzer. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4173 8436 4172 8450 4186 8453 4188 8436
TIME...MOT...LOC 0158Z 273DEG 35KT 4179 8443 

HAIL...1.50IN
WIND...60MPH
 
$$

MARSILI

1 follow-up statement

156 
WWUS53 KIWX 200216
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1016 PM EDT Sat Jun 19 2021

MIC059-200226-
/O.CAN.KIWX.SV.W.0014.000000T0000Z-210620T0230Z/
Hillsdale MI-
1016 PM EDT Sat Jun 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HILLSDALE COUNTY
IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
southeastern Michigan.

LAT...LON 4173 8436 4172 8450 4186 8453 4188 8436
TIME...MOT...LOC 0215Z 273DEG 35KT 4178 8419 

$$

MARSILI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 8:20 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Saint Joseph	40 min
Jun 19, 8:51 PM EDT	Areal Flood Advisory	IWX	Cass, Saint Joseph	3 hr
Jun 19, 9:21 PM EDT	Severe Thunderstorm Warning	IWX	Branch, Hillsdale	39 min
Jun 20, 5:12 AM EDT	Beach Hazards Statement	IWX		49 hr
Jun 20, 6:42 PM EDT	Severe Thunderstorm Warning	IWX	Cass	26 min
Jun 20, 6:58 PM EDT	Severe Thunderstorm Warning	IWX	Berrien, Cass	28 min
Jun 20, 7:19 PM EDT	Severe Thunderstorm Warning	IWX	Saint Joseph	41 min
Jun 20, 7:29 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	31 min
Jun 20, 7:49 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	26 min
Jun 20, 7:58 PM EDT	Severe Thunderstorm Warning	IWX	Branch, Saint Joseph	32 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2021 Every 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.