Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 4, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jun 18, 2021, 3:58 PM EDT for Blackford County, Jay County, Indiana. It was in force for 47 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 18, 2021, 3:58 PM EDT (19:58 UTC)
- Expired
- Jun 18, 2021, 4:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Blackford County, IN, Jay County, IN
The radar
The Northern Indiana radar (KIWX), 110 km from the middle of the area, began a volume at 20:01 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 18, 4:34 PM EDT | HAIL 1 | Dunkirk, IN | DIME TO QUARTER SIZE HAIL. |
| Jun 18, 4:35 PM EDT | HAIL 1.75 | Redkey, IN | DELAYED REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.0 hours before the alert went out and 167 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1560 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
151
WUUS53 KIWX 181958
SVRIWX
INC009-075-182045-
/O.NEW.KIWX.SV.W.0004.210618T1958Z-210618T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
358 PM EDT Fri Jun 18 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Blackford County in east central Indiana...
Western Jay County in east central Indiana...
* Until 445 PM EDT.
* At 358 PM EDT, a severe thunderstorm was located near Hartford
City, moving southeast at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* This severe thunderstorm will be near...
Montpelier around 405 PM EDT.
Pennville around 420 PM EDT.
Dunkirk around 425 PM EDT.
Redkey around 430 PM EDT.
Other locations impacted by this severe thunderstorm include Center,
Blaine, Powers, Trenton, Roll, New Mount Pleasant, Mill Grove and
Como.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
&&
LAT...LON 4033 8522 4038 8522 4038 8530 4046 8545
4053 8545 4057 8540 4057 8538 4049 8499
4031 8509 4031 8517
TIME...MOT...LOC 1958Z 293DEG 27KT 4050 8541
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
$$
JBALL2 follow-up statements
068
WWUS53 KIWX 182013 RRA
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
413 PM EDT Fri Jun 18 2021
INC009-075-182045-
/O.CON.KIWX.SV.W.0004.000000T0000Z-210618T2045Z/
Blackford IN-Jay IN-
413 PM EDT Fri Jun 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTHEASTERN BLACKFORD AND SOUTHWESTERN JAY COUNTIES...
At 413 PM EDT, a severe thunderstorm was located near Hartford City,
moving southeast at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
This severe storm will be near...
Pennville around 420 PM EDT.
Dunkirk around 425 PM EDT.
Redkey around 430 PM EDT.
Other locations impacted by this severe thunderstorm include Center,
Blaine, Powers, Trenton, New Mount Pleasant, Mill Grove and Como.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
&&
LAT...LON 4033 8522 4038 8522 4038 8525 4045 8536
4050 8530 4052 8525 4049 8499 4031 8509
4031 8517
TIME...MOT...LOC 2013Z 293DEG 27KT 4046 8527
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
$$
JBALL887
WWUS53 KIWX 182032
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
432 PM EDT Fri Jun 18 2021
INC009-182042-
/O.CAN.KIWX.SV.W.0004.000000T0000Z-210618T2045Z/
Blackford IN-
432 PM EDT Fri Jun 18 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLACKFORD COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4033 8522 4038 8522 4038 8521 4040 8521
4041 8519 4040 8504 4031 8509 4031 8517
TIME...MOT...LOC 2032Z 272DEG 30KT 4036 8522
$$
INC075-182045-
/O.CON.KIWX.SV.W.0004.000000T0000Z-210618T2045Z/
Jay IN-
432 PM EDT Fri Jun 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTHWESTERN JAY COUNTY...
At 432 PM EDT, a severe thunderstorm was located over Dunkirk, moving
east at 35 mph.
HAZARD...70 mph wind gusts and ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
This severe storm will be near...
Redkey around 440 PM EDT.
Other locations impacted by this severe thunderstorm include Powers,
Como and New Mount Pleasant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
&&
LAT...LON 4033 8522 4038 8522 4038 8521 4040 8521
4041 8519 4040 8504 4031 8509 4031 8517
TIME...MOT...LOC 2032Z 272DEG 30KT 4036 8522
HAIL...1.50IN
WIND...70MPH
$$
JBALLThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 5:53 AM EDT | Special Marine Warning | IWX | 82 min | |
| Jun 18, 6:39 AM EDT | Special Weather Statement | IWX | LaPorte, Saint Joseph | 66 min |
| Jun 18, 7:15 AM EDT | Special Weather Statement | IWX | Elkhart, LaGrange | 45 min |
| Jun 18, 7:56 AM EDT | Special Weather Statement | IWX | DeKalb, Steuben | 64 min |
| Jun 18, 8:22 AM EDT | Special Weather Statement | IWX | Adams, Allen, Wells | 53 min |
| Jun 18, 2:21 PM EDT | Special Weather Statement | IWX | Miami | 24 min |
| Jun 18, 2:45 PM EDT | Special Weather Statement | IWX | Grant, Miami | 45 min |
| Jun 18, 2:52 PM EDT | Severe Thunderstorm Warning | IWX | Grant, Huntington, Miami, Wabash | 38 min |
| Jun 18, 3:28 PM EDT | Severe Thunderstorm Warning | IWX | Blackford, Grant, Huntington, Wabash, Wells | 47 min |
| Jun 18, 3:34 PM EDT | Severe Thunderstorm Warning | IWX | Adams, Jay, Wells | 41 min |
| Jun 18, 3:54 PM EDT | Tornado Warning | IWX | Jay | 19 min |
| Jun 18, 4:16 PM EDT | Severe Thunderstorm Warning | IWX | Jay | 13 min |
| Jun 18, 4:48 PM EDT | Severe Thunderstorm Warning | IWX | Jay | 18 min |
| Jun 18, 6:48 PM EDT | Special Weather Statement | IWX | Jay | 27 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.