Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 114, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Oct 11, 2021, 9:44 PM EDT for Cass County, Fulton County, Indiana. It was in force for 46 min. 1 report 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
- Oct 11, 2021, 9:44 PM EDT (01:44 UTC)
- Expired
- Oct 11, 2021, 10:30 PM EDT
- In force
- 46 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cass County, IN, Fulton County, IN
The radar
The Northern Indiana radar (KIWX), 71 km from the middle of the area, began a volume at 01:43 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 |
|---|---|---|---|
| Oct 11, 10:20 PM EDT | TSTM WND GST 51 | 4 Wsw Rochester, IN | PERSONAL WEATHER STATION OBSERVATION. |
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 00:00Z, 1.7 hours before the alert went out and 211 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
- 10 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 743 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -150 m²/s²
- 0-3 km storm-relative helicity
- -158 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
351
WUUS53 KIWX 120144
SVRIWX
INC017-049-120230-
/O.NEW.KIWX.SV.W.0114.211012T0144Z-211012T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
944 PM EDT Mon Oct 11 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Fulton County in north central Indiana...
Northern Cass County in north central Indiana...
* Until 1030 PM EDT.
* At 944 PM EDT, a severe thunderstorm was located near Logansport,
moving northeast at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Logansport, Rochester, Royal Center, Kewanna, Fulton, Leiters Ford,
Nyena Lake, Leases Corner, Athens, Twelve Mile, Bruce Lake Station,
Metea, Grass Creek, Delong, Tiosa, Fletcher, Lake Manitou,
Adamsboro, Lucerne and Marshtown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4074 8657 4091 8647 4117 8646 4117 8608
4100 8614 4100 8617 4092 8617 4069 8632
TIME...MOT...LOC 0144Z 204DEG 48KT 4075 8644
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JAL1 follow-up statement
485
WWUS53 KIWX 120207
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
1007 PM EDT Mon Oct 11 2021
INC017-049-120230-
/O.CON.KIWX.SV.W.0114.000000T0000Z-211012T0230Z/
Fulton IN-Cass IN-
1007 PM EDT Mon Oct 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR FULTON AND NORTHEASTERN CASS COUNTIES...
At 1007 PM EDT, a severe thunderstorm was located 9 miles southwest
of Rochester, moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Logansport, Rochester, Kewanna, Fulton, Leiters Ford, Nyena Lake,
Leases Corner, Athens, Twelve Mile, Bruce Lake Station, Metea,
Delong, Tiosa, Fletcher, Lake Manitou, Adamsboro, Marshtown and
Talma.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.
&&
LAT...LON 4085 8638 4098 8641 4117 8646 4117 8608
4100 8614 4100 8617 4092 8617 4069 8632
TIME...MOT...LOC 0207Z 204DEG 45KT 4095 8630
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JALThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 9:30 PM EDT | Special Weather Statement | IWX | Cass | 45 min |
| Oct 11, 9:52 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Miami | 38 min |
| Oct 11, 10:04 PM EDT | Severe Thunderstorm Warning | IWX | Marshall | 41 min |
| Oct 11, 11:23 PM EDT | Special Weather Statement | IWX | Elkhart, Noble | 37 min |
| Oct 11, 11:53 PM EDT | Special Weather Statement | IWX | Huntington, Whitley | 37 min |
| Oct 12, 12:59 AM EDT | Special Weather Statement | IWX | Steuben | 46 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.