Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 85, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Aug 11, 2021, 12:47 PM EDT for 5 counties in Indiana. It was in force for 43 min. 8 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
- Aug 11, 2021, 12:47 PM EDT (16:47 UTC)
- Expired
- Aug 11, 2021, 1:30 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, Fulton County, IN, Kosciusko County, IN, Marshall County, IN, Saint Joseph County, IN
The radar
The Northern Indiana radar (KIWX), 17 km from the middle of the area, began a volume at 16:46 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 |
|---|---|---|---|
| Aug 11, 1:00 PM EDT | TSTM WND DMG | 1 S Tippecanoe, IN | SEVERAL 6 INCH DIAMETER LIMBS DOWN AND CORN FLATTENED. |
| Aug 11, 1:12 PM EDT | TSTM WND GST 60 | Monoquet, IN | SOME BRANCHES DOWN. |
| Aug 11, 1:15 PM EDT | TSTM WND DMG | Leesburg, IN | LARGE TREE DOWN IN ROAD. |
| Aug 11, 1:15 PM EDT | TSTM WND GST 41 | 2 Nne Warsaw, IN | AWOS STATION KASW WARSAW AIRPORT. |
| Aug 11, 1:18 PM EDT | TSTM WND DMG | 1 E Big Barbee Lake, IN | SMALL TREE DOWNED ACROSS SR-13 (ABOUT 1 FT DIAMETER). TREE APPEARED HEALTHY. |
| Aug 11, 1:20 PM EDT | TSTM WND DMG | Leesburg, IN | LARGE TREE TOPPLED IN THIS AREA. |
| Aug 11, 1:20 PM EDT | TSTM WND DMG | Warsaw, IN | LIMBS ALSO KNOCKED DOWN IN TOWN. |
| Aug 11, 1:34 PM EDT | TSTM WND GST 53 | 2 Nw Benton, IN | ASOS STATION KGSH GOSHEN. |
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 |
|---|---|---|---|
| Aug 11, 11:50 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 4.8 hours before the alert went out and 253 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
- 106 J/kg
- Mixed-layer CIN
- -290 J/kg
- Mixed-layer LCL
- 1220 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
787
WUUS53 KIWX 111647
SVRIWX
INC039-049-085-099-141-111730-
/O.NEW.KIWX.SV.W.0085.210811T1647Z-210811T1730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
1247 PM EDT Wed Aug 11 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Southern Elkhart County in north central Indiana...
Southeastern St. Joseph County in north central Indiana...
North central Fulton County in north central Indiana...
Kosciusko County in north central Indiana...
Marshall County in north central Indiana...
* Until 130 PM EDT.
* At 1247 PM EDT, severe thunderstorms were located along a line
extending from 6 miles west of Bremen to near Plymouth to Argos,
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...
Goshen, Warsaw, Plymouth, Nappanee, Winona Lake, Bremen, Syracuse,
Bourbon, Argos, Milford, North Webster, Pierceton, Mentone, New
Paris, Benton, Locke, Walnut, Tippecanoe, Etna Green and La Paz.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4154 8575 4139 8565 4131 8565 4118 8571
4115 8638 4149 8639
TIME...MOT...LOC 1647Z 266DEG 36KT 4143 8627 4133 8624 4123 8627
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CM1 follow-up statement
698
WWUS53 KIWX 111717
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
117 PM EDT Wed Aug 11 2021
INC049-111727-
/O.CAN.KIWX.SV.W.0085.000000T0000Z-210811T1730Z/
Fulton IN-
117 PM EDT Wed Aug 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL FULTON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 500 PM EDT for
north central and northeastern Indiana.
LAT...LON 4154 8575 4139 8565 4131 8565 4118 8571
4117 8609 4151 8613
TIME...MOT...LOC 1717Z 266DEG 45KT 4144 8577 4134 8574 4124 8577
$$
INC039-085-099-141-111730-
/O.CON.KIWX.SV.W.0085.000000T0000Z-210811T1730Z/
Elkhart IN-St. Joseph IN-Kosciusko IN-Marshall IN-
117 PM EDT Wed Aug 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM EDT
FOR SOUTHERN ELKHART...SOUTHEASTERN ST. JOSEPH...KOSCIUSKO AND
EASTERN MARSHALL COUNTIES...
At 117 PM EDT, severe thunderstorms were located along a line
extending from Syracuse to near North Webster to near Winona Lake,
moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Goshen, Warsaw, Nappanee, Winona Lake, Syracuse, Milford, North
Webster, Pierceton, Mentone, New Paris, Benton, Locke, Etna Green,
Leesburg, Big Barbee Lake, Monoquet, Hoffman Lake, Atwood, Irish Lake
and Foraker.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4154 8575 4139 8565 4131 8565 4118 8571
4117 8609 4151 8613
TIME...MOT...LOC 1717Z 266DEG 45KT 4144 8577 4134 8574 4124 8577
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CMThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:49 PM EDT | Special Marine Warning | IWX | 86 min | |
| Aug 10, 9:49 PM EDT | Special Weather Statement | IWX | LaPorte | 41 min |
| Aug 10, 9:56 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph | 49 min |
| Aug 10, 10:18 PM EDT | Severe Thunderstorm Warning | IWX | Elkhart, LaPorte, Marshall, Saint Joseph, Starke | 57 min |
| Aug 10, 10:42 PM EDT | Severe Thunderstorm Warning | IWX | Elkhart, LaGrange, Noble, Saint Joseph | 48 min |
| Aug 10, 11:02 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Marshall, Pulaski, Starke | 43 min |
| Aug 10, 11:31 PM EDT | Special Weather Statement | IWX | Steuben | 29 min |
| Aug 10, 11:41 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Kosciusko, Marshall, Miami, Pulaski | 34 min |
| Aug 11, 12:05 AM EDT | Severe Thunderstorm Warning | IWX | Fulton, Huntington, Kosciusko, Miami, Wabash, Whitley | 40 min |
| Aug 11, 12:29 AM EDT | Special Weather Statement | IWX | Huntington | 31 min |
| Aug 11, 12:38 AM EDT | Special Weather Statement | IWX | Allen | 22 min |
| Aug 11, 12:56 AM EDT | Special Weather Statement | IWX | Adams, Allen, Wells | 49 min |
| Aug 11, 3:57 AM EDT | Special Weather Statement | IWX | Cass, White | 33 min |
| Aug 11, 4:46 AM EDT | Special Weather Statement | IWX | Cass, Fulton, Miami | 44 min |
| Aug 11, 4:59 AM EDT | Special Weather Statement | IWX | Kosciusko | 46 min |
| Aug 11, 5:21 AM EDT | Special Weather Statement | IWX | LaPorte | 39 min |
| Aug 11, 5:49 AM EDT | Special Weather Statement | IWX | Noble | 41 min |
| Aug 11, 5:52 AM EDT | Special Weather Statement | IWX | LaPorte | 38 min |
| Aug 11, 5:54 AM EDT | Special Weather Statement | IWX | Whitley | 51 min |
| Aug 11, 11:22 AM EDT | Special Weather Statement | IWX | Starke | 38 min |
| Aug 11, 11:36 AM EDT | Special Marine Warning | IWX | 54 min | |
| Aug 11, 12:00 PM EDT | Special Weather Statement | IWX | Kosciusko, LaPorte, Marshall, Saint Joseph, Starke | 30 min |
| Aug 11, 12:16 PM EDT | Severe Thunderstorm Warning | IWX | Kosciusko, Marshall | 29 min |
| Aug 11, 12:29 PM EDT | Special Weather Statement | IWX | Elkhart, Fulton, Kosciusko, LaPorte, Marshall, Pulaski and 2 more | 46 min |
| Aug 11, 12:34 PM EDT | Special Marine Warning | IWX | 56 min | |
| Aug 11, 12:43 PM EDT | Areal Flood Advisory | IWX | Kosciusko, LaPorte, Marshall, Pulaski, Saint Joseph, Starke | 3 hr |
| Aug 11, 12:54 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Fulton, Kosciusko, Miami, Pulaski, Wabash | 36 min |
| Aug 11, 1:10 PM EDT | Special Weather Statement | IWX | Elkhart, LaGrange | 50 min |
| Aug 11, 1:17 PM EDT | Severe Thunderstorm Warning | IWX | Allen, DeKalb, Elkhart, Huntington, Kosciusko, Miami and 3 more | 43 min |
| Aug 11, 1:29 PM EDT | Special Marine Warning | IWX | 46 min | |
| Aug 11, 1:39 PM EDT | Severe Thunderstorm Warning | IWX | LaGrange, Steuben | 36 min |
| Aug 11, 1:48 PM EDT | Severe Thunderstorm Warning | IWX | Adams, Allen, DeKalb, Huntington, Jay, Wells | 27 min |
| Aug 11, 2:02 PM EDT | Severe Thunderstorm Warning | IWX | DeKalb, Steuben | 43 min |
| Aug 11, 2:05 PM EDT | Severe Thunderstorm Warning | IWX | Blackford, Grant, Huntington, Jay, Wells | 55 min |
| Aug 11, 2:14 PM EDT | Severe Thunderstorm Warning | IWX | Adams, Allen, DeKalb, Huntington, Jay, Wells | 46 min |
| Aug 11, 3:01 PM EDT | Severe Thunderstorm Warning | IWX | Jay | 29 min |
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.