Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 74, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Aug 10, 2021, 2:50 AM EDT for LaGrange County, Noble County, Indiana. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 10, 2021, 2:50 AM EDT (06:50 UTC)
- Expired
- Aug 10, 2021, 3:19 AM EDT
- In force
- 29 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties LaGrange County, IN, Noble County, IN
The radar
The Northern Indiana radar (KIWX), 38 km from the middle of the area, began a volume at 06:54 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.
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 6.8 hours before the alert went out and 203 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
- 532 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 924 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
067
WUUS53 KIWX 100650
SVRIWX
INC087-113-100730-
/O.NEW.KIWX.SV.W.0074.210810T0650Z-210810T0730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
250 AM EDT Tue Aug 10 2021
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Northeastern Noble County in northeastern Indiana...
Lagrange County in northeastern Indiana...
* Until 330 AM EDT.
* At 249 AM EDT, severe thunderstorms were located along a line
extending from near Lagrange to 10 miles northwest of Rome City to
Topeka, moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Kendallville, Lagrange, Rome City, Topeka, Wolcottville,
Honeyville, Stroh, Indianola, Woodruff, Elmira, Big Long Lake,
Eddy, Adams Lake, Oliver Lake, Plato and Emma.
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 4162 8519 4158 8519 4149 8523 4143 8532
4157 8566 4164 8559 4172 8549
TIME...MOT...LOC 0649Z 301DEG 20KT 4170 8544 4161 8548 4155 8556
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MARSILI2 follow-up statements
598
WWUS53 KIWX 100657
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
257 AM EDT Tue Aug 10 2021
INC087-113-100730-
/O.CON.KIWX.SV.W.0074.000000T0000Z-210810T0730Z/
Noble IN-Lagrange IN-
257 AM EDT Tue Aug 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM EDT
FOR NORTHEASTERN NOBLE AND LAGRANGE COUNTIES...
At 257 AM EDT, severe thunderstorms were located along a line
extending from 10 miles southeast of Sturgis to near Lagrange to near
Topeka, moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Kendallville, Lagrange, Rome City, Topeka, Wolcottville, Honeyville,
Stroh, Indianola, Woodruff, Elmira, Big Long Lake, Eddy, Adams Lake,
Oliver Lake, Plato and Emma.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4162 8519 4158 8519 4149 8523 4143 8532
4157 8566 4164 8559 4172 8549
TIME...MOT...LOC 0657Z 300DEG 23KT 4166 8533 4158 8541 4152 8550
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MARSILI839
WWUS53 KIWX 100719
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
319 AM EDT Tue Aug 10 2021
INC087-113-100728-
/O.CAN.KIWX.SV.W.0074.000000T0000Z-210810T0730Z/
Noble IN-Lagrange IN-
319 AM EDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NOBLE AND
LAGRANGE COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled. Wind gusts to 40 mph and
brief heavy rainfall are still possible through 400 AM EDT.
LAT...LON 4162 8519 4158 8519 4149 8523 4143 8532
4157 8566 4164 8559 4172 8549
TIME...MOT...LOC 0718Z 301DEG 20KT 4160 8520 4152 8528 4146 8537
$$
MARSILIThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 9:51 PM EDT | Special Marine Warning | IWX | 54 min | |
| Aug 9, 10:47 PM EDT | Special Marine Warning | IWX | 58 min | |
| Aug 10, 1:58 AM EDT | Special Weather Statement | IWX | Elkhart | 17 min |
| Aug 10, 2:23 AM EDT | Special Weather Statement | IWX | LaGrange | 52 min |
| Aug 10, 2:43 AM EDT | Areal Flood Advisory | IWX | Elkhart, Saint Joseph | 3 hr |
| Aug 10, 4:01 AM EDT | Special Weather Statement | IWX | Kosciusko, Noble | 29 min |
| Aug 10, 3:27 PM EDT | Heat Advisory | IWX | Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more | 29 hr |
| Aug 10, 3:51 PM EDT | Small Craft Advisory | IWX | 34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.