Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 111, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Sep 14, 2021, 8:46 PM EDT for Blackford County, Grant County, Wells County, Indiana. It was in force for 44 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
- Sep 14, 2021, 8:46 PM EDT (00:46 UTC)
- Expired
- Sep 14, 2021, 9:30 PM EDT
- In force
- 44 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Blackford County, IN, Grant County, IN, Wells County, IN
The radar
The Northern Indiana radar (KIWX), 92 km from the middle of the area, began a volume at 00:49 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 |
|---|---|---|---|
| Sep 14, 9:14 PM EDT | HAIL 0.25 | 2 Nnw Marion, IN | PEA SIZED HAIL. |
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 |
|---|---|---|---|
| Sep 14, 3:08 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.8 hours before the alert went out and 196 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
- 1109 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1416 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
836 WUUS53 KIWX 150046 SVRIWX INC009-053-179-150130- /O.NEW.KIWX.SV.W.0111.210915T0046Z-210915T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Northern Indiana 846 PM EDT Tue Sep 14 2021 The National Weather Service in Northern Indiana has issued a * Severe Thunderstorm Warning for... Grant County in central Indiana... Blackford County in east central Indiana... Southwestern Wells County in northeastern Indiana... * Until 930 PM EDT. * At 846 PM EDT, a severe thunderstorm was located over Marion, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Law enforcement. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Marion, Hartford City, Gas City, Upland, Montpelier, Jonesboro, Sweetser, Swayzee, Van Buren, Sims, Converse, Poneto, Mcnatts, Landess, Mount Zion, Mier, Herbst, Keystone, Roseburg and Home Corner. This includes Interstate 69 in Indiana between mile markers 257 and 271. 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 4048 8586 4065 8586 4066 8520 4041 8521 TIME...MOT...LOC 0046Z 277DEG 27KT 4058 8571 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NWS
2 follow-up statements
189 WWUS53 KIWX 150109 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 909 PM EDT Tue Sep 14 2021 INC009-053-179-150130- /O.CON.KIWX.SV.W.0111.000000T0000Z-210915T0130Z/ Grant IN-Blackford IN-Wells IN- 909 PM EDT Tue Sep 14 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR GRANT...BLACKFORD AND SOUTHWESTERN WELLS COUNTIES... At 909 PM EDT, a severe thunderstorm was located near Van Buren, or near Upland, moving east at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Marion, Hartford City, Gas City, Upland, Montpelier, Jonesboro, Sweetser, Swayzee, Van Buren, Sims, Converse, Poneto, Mcnatts, Landess, Mount Zion, Mier, Herbst, Keystone, Roseburg and Home Corner. This includes Interstate 69 in Indiana between mile markers 257 and 270. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4048 8586 4062 8585 4066 8520 4041 8521 TIME...MOT...LOC 0109Z 277DEG 27KT 4056 8548 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NWS
229
WWUS53 KIWX 150129
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
929 PM EDT Tue Sep 14 2021
INC009-053-179-150139-
/O.EXP.KIWX.SV.W.0111.000000T0000Z-210915T0130Z/
Grant IN-Blackford IN-Wells IN-
929 PM EDT Tue Sep 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR GRANT...BLACKFORD AND
SOUTHWESTERN WELLS COUNTIES WILL EXPIRE AT 930 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 and heavy rain are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
central, northeastern and east central Indiana.
LAT...LON 4048 8586 4062 8585 4066 8520 4041 8521
TIME...MOT...LOC 0129Z 277DEG 27KT 4054 8531
$$
NWSThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 8:08 PM EDT | Special Weather Statement | IWX | Adams, Blackford, Grant, Huntington, Wells | 67 min |
| Sep 14, 9:00 PM EDT | Areal Flood Advisory | IWX | Blackford, Cass, Grant, Huntington, Jay, Miami and 2 more | 2 hr |
| Sep 14, 9:38 PM EDT | Special Weather Statement | IWX | Blackford, Jay | 37 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.