Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 58, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 24, 2021, 5:49 PM CDT for LaPorte County, Indiana; Berrien County, Michigan. It was in force for 41 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
- Jul 24, 2021, 5:49 PM CDT (22:49 UTC)
- Expired
- Jul 24, 2021, 6:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties LaPorte County, IN, Berrien County, MI
The radar
The Northern Indiana radar (KIWX), 100 km from the middle of the area, began a volume at 22:52 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 24, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.8 hours before the alert went out and 231 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
- 553 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 964 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
001
WUUS53 KIWX 242249
SVRIWX
INC091-MIC021-242330-
/O.NEW.KIWX.SV.W.0058.210724T2249Z-210724T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
649 PM EDT Sat Jul 24 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Northern La Porte County in northwestern Indiana...
Southwestern Berrien County in southwestern Michigan...
* Until 730 PM EDT/630 PM CDT/.
* At 649 PM EDT/549 PM CDT/, a severe thunderstorm was located near
Michigan City, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Michigan City, La Porte, Westville, Trail Creek, New Buffalo, Three
Oaks, Long Beach, Pottawattamie Park, Shorewood-Tower Hill,
Shorewood-Tower Hills-Harbert, Michiana Shores, Grand Beach,
Kingsbury, Michiana, Union Pier, Waterford, New Troy, Harbert,
Pinhook and Fish Lake.
This includes the following highways...
Interstate 80 in Indiana between mile markers 38 and 61.
Interstate 94 in Indiana between mile markers 33 and 45.
Interstate 94 in Michigan between mile markers 0 and 11.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4171 8693 4173 8691 4175 8693 4183 8678
4188 8671 4189 8652 4150 8653 4152 8693
TIME...MOT...LOC 2249Z 293DEG 30KT 4175 8693
HAIL...<.75IN
WIND...60MPH
$$
MCS2 follow-up statements
856
WWUS53 KIWX 242304
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
704 PM EDT Sat Jul 24 2021
INC091-MIC021-242330-
/O.CON.KIWX.SV.W.0058.000000T0000Z-210724T2330Z/
La Porte IN-Berrien MI-
704 PM EDT Sat Jul 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM
EDT/630 PM CDT/ FOR NORTHERN LA PORTE AND SOUTH CENTRAL BERRIEN
COUNTIES...
At 704 PM EDT/604 PM CDT/, a severe thunderstorm was located near La
Porte, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Michigan City, La Porte, Westville, Trail Creek, Three Oaks,
Kingsbury, Byron, Waterford, Pinhook, Fish Lake, Otis, Rolling
Prarie, Stillwell, Pinola, Hesston and Springville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4165 8693 4172 8683 4176 8673 4183 8654
4150 8653 4152 8693
TIME...MOT...LOC 2304Z 295DEG 32KT 4168 8676
HAIL...<.75IN
WIND...60MPH
$$
MCS675
WWUS53 KIWX 242319
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
619 PM CDT Sat Jul 24 2021
MIC021-242328-
/O.CAN.KIWX.SV.W.0058.000000T0000Z-210724T2330Z/
Berrien MI-
619 PM CDT Sat Jul 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL BERRIEN COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern Indiana.
LAT...LON 4157 8693 4161 8676 4169 8664 4174 8654
4150 8653 4152 8693
TIME...MOT...LOC 2318Z 303DEG 30KT 4158 8665
$$
INC091-242330-
/O.CON.KIWX.SV.W.0058.000000T0000Z-210724T2330Z/
La Porte IN-
619 PM CDT Sat Jul 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHERN LA PORTE COUNTY...
At 618 PM CDT, a severe thunderstorm was located near La Porte,
moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
La Porte, Westville, Kingsbury, Byron, Pinola, Pinhook, Fish Lake,
Rolling Prarie and Stillwell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4157 8693 4161 8676 4169 8664 4174 8654
4150 8653 4152 8693
TIME...MOT...LOC 2318Z 303DEG 30KT 4158 8665
HAIL...<.75IN
WIND...60MPH
$$
MCSThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 1:37 PM CDT | Special Weather Statement | IWX | DeKalb | 23 min |
| Jul 24, 4:05 PM CDT | Special Marine Warning | IWX | 85 min | |
| Jul 24, 6:17 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Saint Joseph | 43 min |
| Jul 24, 6:24 PM CDT | Severe Thunderstorm Warning | IWX | LaPorte, Marshall, Saint Joseph, Starke | 51 min |
| Jul 24, 6:48 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Saint Joseph | 57 min |
| Jul 24, 6:49 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Saint Joseph | 56 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2021Severe 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.