Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 51, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jun 29, 2021, 6:27 PM EDT for Saint Joseph County, Indiana. It was in force for 33 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 29, 2021, 6:27 PM EDT (22:27 UTC)
- Expired
- Jun 29, 2021, 7:00 PM EDT
- In force
- 33 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Saint Joseph County, IN
The radar
The Northern Indiana radar (KIWX), 65 km from the middle of the area, began a volume at 22:29 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 29, 6:39 PM EDT | NON-TSTM WND GST 55 | 3 Wnw South Bend, IN | ASOS STATION KSBN SOUTH BEND INTERNATIONAL AP. |
| Jun 29, 6:40 PM EDT | TSTM WND GST 50 | 2 Wnw Roseland, IN | ESTIMATED 45 TO 50 MPH WIND GUSTS WITH PEA SIZE HAIL IN SOUTH BEND. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 257 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
- 1224 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
695
WUUS53 KIWX 292227
SVRIWX
INC141-292300-
/O.NEW.KIWX.SV.W.0051.210629T2227Z-210629T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
627 PM EDT Tue Jun 29 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Northwestern St. Joseph County in north central Indiana...
* Until 700 PM EDT.
* At 627 PM EDT, a severe thunderstorm was located near South Bend,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
South Bend around 635 PM EDT.
Georgetown and Roseland around 645 PM EDT.
Mishawaka and Granger around 655 PM EDT.
Other locations impacted by this severe thunderstorm include
Chain-o-lakes, Indian Village and Lydick.
This includes Interstate 80 in Indiana between mile markers 68 and
81.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4169 8644 4176 8642 4176 8616 4163 8619
TIME...MOT...LOC 2227Z 276DEG 23KT 4171 8638
HAIL...1.00IN
WIND...60MPH
$$
JBALL2 follow-up statements
511 WWUS53 KIWX 292242 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 642 PM EDT Tue Jun 29 2021 INC141-292300- /O.CON.KIWX.SV.W.0051.000000T0000Z-210629T2300Z/ St. Joseph IN- 642 PM EDT Tue Jun 29 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR NORTH CENTRAL ST. JOSEPH COUNTY... At 641 PM EDT, a severe thunderstorm was located over Roseland, or over South Bend, moving east at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe storm will be near... Georgetown around 650 PM EDT. Mishawaka around 655 PM EDT. Granger around 700 PM EDT. Other locations impacted by this severe thunderstorm include Indian Village. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4169 8637 4176 8635 4176 8616 4163 8619 TIME...MOT...LOC 2241Z 274DEG 22KT 4171 8627 HAIL...0.75IN WIND...60MPH $$ JBALL
550
WWUS53 KIWX 292257
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
657 PM EDT Tue Jun 29 2021
INC141-292306-
/O.EXP.KIWX.SV.W.0051.000000T0000Z-210629T2300Z/
St. Joseph IN-
657 PM EDT Tue Jun 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ST. JOSEPH
COUNTY WILL EXPIRE AT 700 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds to 40 mph and heavy rain are still possible with this
thunderstorm and a new storm moving in from the west.
LAT...LON 4169 8637 4176 8635 4176 8616 4163 8619
TIME...MOT...LOC 2256Z 276DEG 23KT 4170 8614
$$
JBALLThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 10:51 PM EDT | Special Weather Statement | IWX | White | 39 min |
| Jun 29, 2:32 PM EDT | Special Weather Statement | IWX | Pulaski | 28 min |
| Jun 29, 3:16 PM EDT | Special Weather Statement | IWX | Kosciusko | 29 min |
| Jun 29, 3:32 PM EDT | Special Weather Statement | IWX | Noble | 43 min |
| Jun 29, 3:58 PM EDT | Special Weather Statement | IWX | Noble | 47 min |
| Jun 29, 4:06 PM EDT | Special Weather Statement | IWX | Whitley | 39 min |
| Jun 29, 4:10 PM EDT | Severe Thunderstorm Warning | IWX | DeKalb, LaGrange, Noble, Steuben | 19 min |
| Jun 29, 4:38 PM EDT | Special Weather Statement | IWX | DeKalb | 37 min |
| Jun 29, 4:49 PM EDT | Special Weather Statement | IWX | Steuben | 41 min |
| Jun 29, 5:57 PM EDT | Special Weather Statement | IWX | LaPorte | 48 min |
| Jun 29, 6:20 PM EDT | Special Weather Statement | IWX | Saint Joseph | 40 min |
| Jun 29, 6:53 PM EDT | Areal Flood Advisory | IWX | LaPorte, Saint Joseph | 3 hr |
Nearby
Severe 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.