Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 59, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 24, 2021, 7:17 PM EDT for Elkhart County, Saint Joseph County, Indiana; Berrien County, Cass County, Michigan. It was in force for 43 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
- Jul 24, 2021, 7:17 PM EDT (23:17 UTC)
- Expired
- Jul 24, 2021, 8:00 PM EDT
- In force
- 43 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Elkhart County, IN, Saint Joseph County, IN, Berrien County, MI, Cass County, MI
The radar
The Northern Indiana radar (KIWX), 61 km from the middle of the area, began a volume at 23:19 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 |
|---|---|---|---|
| Jul 24, 7:25 PM EDT | TSTM WND DMG | 1 S Lydick, IN | REPORT OF POWER LINES DOWN AT QUINCE AND SR 2. CAUSE UNKNOWN. |
| Jul 24, 7:25 PM EDT | TSTM WND DMG | 4 E Bertrand, MI | LARGE TREE BRANCHES DOWN AND HOUSE WAS SHAKING FROM THE WIND. |
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 |
|---|---|---|---|
| Jul 24, 4:32 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 11.3 hours before the alert went out and 259 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
- 588 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted.
330
WUUS53 KIWX 242317
SVRIWX
INC039-141-MIC021-027-250000-
/O.NEW.KIWX.SV.W.0059.210724T2317Z-210725T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
717 PM EDT Sat Jul 24 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Northwestern Elkhart County in north central Indiana...
Northeastern St. Joseph County in north central Indiana...
Southwestern Cass County in southwestern Michigan...
Southeastern Berrien County in southwestern Michigan...
* Until 800 PM EDT.
* At 717 PM EDT, a severe thunderstorm was located near Buchanan,
moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
South Bend, Elkhart, Mishawaka, Niles, Buchanan, Georgetown,
Granger, Gulivoire Park, Simonton Lake, Osceola, Wakarusa,
Edwardsburg, Lakeville, Roseland, Bertrand, Indian Village,
Adamsville, Chain-o-lakes, Woodland and Jimtown.
This includes Interstate 80 in Indiana between mile markers 65 and
91.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4176 8647 4183 8637 4185 8600 4154 8595
4153 8630
TIME...MOT...LOC 2317Z 319DEG 23KT 4175 8638
HAIL...<.75IN
WIND...60MPH
$$
MCS1 follow-up statement
140
WWUS53 KIWX 242332
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
732 PM EDT Sat Jul 24 2021
MIC021-242341-
/O.CAN.KIWX.SV.W.0059.000000T0000Z-210725T0000Z/
Berrien MI-
732 PM EDT Sat Jul 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BERRIEN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
north central Indiana...and southwestern Michigan.
LAT...LON 4154 8595 4153 8630 4170 8642 4176 8633
4176 8623 4178 8623 4181 8599
TIME...MOT...LOC 2331Z 303DEG 26KT 4171 8620
$$
INC039-141-MIC027-250000-
/O.CON.KIWX.SV.W.0059.000000T0000Z-210725T0000Z/
Elkhart IN-St. Joseph IN-Cass MI-
732 PM EDT Sat Jul 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHWESTERN ELKHART...NORTHEASTERN ST. JOSEPH AND SOUTHWESTERN
CASS COUNTIES...
At 731 PM EDT, a severe thunderstorm was located over Georgetown,
moving southeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
South Bend, Elkhart, Mishawaka, Georgetown, Granger, Gulivoire Park,
Simonton Lake, Osceola, Wakarusa, Edwardsburg, Lakeville, Roseland,
Indian Village, Adamsville, Chain-o-lakes, Woodland, Jimtown, Lydick
and Eagle Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4154 8595 4153 8630 4170 8642 4176 8633
4176 8623 4178 8623 4181 8599
TIME...MOT...LOC 2331Z 303DEG 26KT 4171 8620
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, 2:37 PM EDT | Special Weather Statement | IWX | DeKalb | 23 min |
| Jul 24, 5:05 PM EDT | Special Marine Warning | IWX | 85 min | |
| Jul 24, 6:49 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte | 41 min |
| Jul 24, 7:24 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Marshall, Saint Joseph, Starke | 51 min |
| Jul 24, 7:48 PM EDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Saint Joseph | 57 min |
| Jul 24, 7:49 PM EDT | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.