Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 12, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jun 19, 2021, 9:21 PM EDT for Branch County, Hillsdale County, Michigan; Williams County, Ohio; Steuben County, Indiana. It was in force for 39 min. 2 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 19, 2021, 9:21 PM EDT (01:21 UTC)
- Expired
- Jun 19, 2021, 10:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Steuben County, IN, Branch County, MI, Hillsdale County, MI, Williams County, OH
The radar
The Northern Indiana radar (KIWX), 104 km from the middle of the area, began a volume at 01:21 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, 9:23 PM EDT | HAIL 0.7 | Clear Lake, IN | |
| 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, 1.4 hours before the alert went out and 142 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.
- 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
The text
As transmitted.
520
WUUS53 KIWX 200121
SVRIWX
INC151-MIC023-059-OHC171-200200-
/O.NEW.KIWX.SV.W.0012.210620T0121Z-210620T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
921 PM EDT Sat Jun 19 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Northeastern Steuben County in northeastern Indiana...
Southeastern Branch County in southwestern Michigan...
Southern Hillsdale County in southeastern Michigan...
Northern Williams County in northwestern Ohio...
* Until 1000 PM EDT.
* At 920 PM EDT, severe thunderstorms were located along a line
extending from near Quincy to 7 miles east of Fremont to near Edon,
moving east at 40 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Hudson, Pioneer, Reading, Columbia, Ray, Cambria, Pittsford,
California, Ransom, Waldron, Camden, Montgomery, Clear Lake, Bear
Lake, York, Prattville, Alvordton, Lake Wilson, Lake Seneca and
Shadyside.
This includes the following highways...
Interstate 80 in Indiana between mile markers 151 and 156.
Interstate 80 in Ohio between mile markers 0 and 5.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4194 8436 4171 8436 4170 8440 4164 8440
4162 8487 4171 8490 4184 8492
TIME...MOT...LOC 0120Z 275DEG 35KT 4187 8488 4171 8480 4163 8481
HAIL...0.88IN
WIND...60MPH
$$
MARSILI1 follow-up statement
946
WWUS53 KIWX 200135
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
935 PM EDT Sat Jun 19 2021
INC151-MIC023-200144-
/O.CAN.KIWX.SV.W.0012.000000T0000Z-210620T0200Z/
Steuben IN-Branch MI-
935 PM EDT Sat Jun 19 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN STEUBEN AND
SOUTHEASTERN BRANCH COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
southeastern Michigan...and northwestern Ohio.
LAT...LON 4194 8436 4171 8436 4170 8440 4167 8440
4166 8480 4172 8480 4186 8482
TIME...MOT...LOC 0134Z 275DEG 35KT 4186 8469 4170 8461 4162 8462
$$
MIC059-OHC171-200200-
/O.CON.KIWX.SV.W.0012.000000T0000Z-210620T0200Z/
Hillsdale MI-Williams OH-
935 PM EDT Sat Jun 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR SOUTHERN HILLSDALE AND NORTHERN WILLIAMS COUNTIES...
At 934 PM EDT, severe thunderstorms were located along a line
extending from near Reading to near Pioneer to near Montpelier,
moving east at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Hudson, Pioneer, Reading, Cambria, Pittsford, Ransom, Waldron,
Camden, Montgomery, Bear Lake, Prattville, Lake Wilson, Frontier,
Nettle Lake, Lake Seneca, Shadyside, Betzer and Osseo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4194 8436 4171 8436 4170 8440 4167 8440
4166 8480 4172 8480 4186 8482
TIME...MOT...LOC 0134Z 275DEG 35KT 4186 8469 4170 8461 4162 8462
HAIL...0.75IN
WIND...60MPH
$$
MARSILIThe 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, 9:59 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 17 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 |
| Jun 19, 8:16 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph | 44 min |
| Jun 19, 8:53 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Marshall, Saint Joseph, Starke | 52 min |
| Jun 19, 9:14 PM EDT | Areal Flood Advisory | IWX | LaPorte, Saint Joseph, Starke | 3 hr |
| Jun 19, 9:43 PM EDT | Severe Thunderstorm Warning | IWX | Marshall, Starke | 47 min |
| Jun 19, 10:30 PM EDT | Severe Thunderstorm Warning | IWX | Pulaski, Starke | 60 min |
| Jun 20, 4:49 AM EDT | Small Craft Advisory | IWX | 45 hr | |
| Jun 20, 5:52 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Marshall, Saint Joseph, Starke | 38 min |
| Jun 20, 5:57 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Starke | 33 min |
| Jun 20, 6:39 PM EDT | Severe Thunderstorm Warning | IWX | Elkhart, Fulton, Kosciusko, Marshall | 51 min |
| Jun 20, 6:53 PM EDT | Severe Thunderstorm Warning | IWX | Marshall, Starke | 22 min |
| Jun 20, 7:07 PM EDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Saint Joseph | 23 min |
| Jun 20, 7:47 PM EDT | Special Marine Warning | IWX | 28 min | |
| Jun 20, 7:49 PM EDT | Severe Thunderstorm Warning | IWX | Allen, DeKalb | 10 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2021Severe Thunderstorm Warnings in Ohio, 2021Severe Thunderstorm Warnings in Indiana, 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.