Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 100, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Dec 11, 2021, 1:59 AM EST for Hendricks County, Putnam County, Indiana. It was in force for 21 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
- Dec 11, 2021, 1:59 AM EST (06:59 UTC)
- Expired
- Dec 11, 2021, 2:20 AM EST
- In force
- 21 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hendricks County, IN, Putnam County, IN
The radar
The Indianapolis radar (KIND), 34 km from the middle of the area, began a volume at 07:04 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 |
|---|---|---|---|
| Dec 11, 2:05 AM EST | TSTM WND DMG | Greencastle, IN | NUMEROUS REPORTS OF DOWNED TREES AND POWER LINES ACROSS CENTRAL PUTNAM COUNTY. TIME ESTIMATED FROM RADAR. |
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 |
|---|---|---|---|
| Dec 10, 8:47 PM EST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 7.0 hours before the alert went out and 172 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
- 119 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
811 WUUS53 KIND 110659 SVRIND INC063-133-110730- /O.NEW.KIND.SV.W.0100.211211T0659Z-211211T0730Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Indianapolis IN 159 AM EST Sat Dec 11 2021 The National Weather Service in Indianapolis has issued a * Severe Thunderstorm Warning for... Southwestern Hendricks County in central Indiana... Central Putnam County in west central Indiana... * Until 230 AM EST. * At 158 AM EST, severe thunderstorms were located along a line extending from 17 miles west of Danville to near Greencastle, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Fillmore around 210 AM EST. Coatesville, Amo and Stilesville around 215 AM EST. Clayton around 220 AM EST. Danville around 225 AM EST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 300 AM EST for central and west central Indiana. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3976 8649 3962 8657 3960 8696 3970 8686 TIME...MOT...LOC 0658Z 247DEG 48KT 3970 8683 3962 8690 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ TWF
1 follow-up statement
618
WWUS53 KIND 110720
SVSIND
Severe Weather Statement
National Weather Service Indianapolis IN
220 AM EST Sat Dec 11 2021
INC063-133-110729-
/O.CAN.KIND.SV.W.0100.000000T0000Z-211211T0730Z/
Hendricks IN-Putnam IN-
220 AM EST Sat Dec 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN HENDRICKS AND
CENTRAL PUTNAM COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.
LAT...LON 3976 8649 3962 8657 3960 8696 3970 8686
TIME...MOT...LOC 0719Z 247DEG 48KT 3981 8649 3973 8656
$$
TWFThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 8:30 PM EST | Special Weather Statement | IND | Daviess, Lawrence, Martin | 45 min |
| Dec 10, 9:22 PM EST | Special Weather Statement | IND | Jennings | 23 min |
| Dec 10, 9:34 PM EST | Special Weather Statement | IND | Brown | 26 min |
| Dec 10, 9:38 PM EST | Severe Thunderstorm Warning | IND | Bartholomew, Brown, Johnson, Shelby | 25 min |
| Dec 10, 11:14 PM EST | Special Weather Statement | IND | Hendricks, Johnson, Marion, Morgan, Shelby | 31 min |
| Dec 10, 11:32 PM EST | Severe Thunderstorm Warning | IND | Fountain, Vermillion, Warren | 28 min |
| Dec 10, 11:42 PM EST | Severe Thunderstorm Warning | IND | Daviess, Greene, Knox, Martin, Monroe, Owen | 33 min |
| Dec 10, 11:45 PM EST | Tornado Warning | IND | Fountain, Parke, Vermillion | 30 min |
| Dec 10, 11:55 PM EST | Severe Thunderstorm Warning | IND | Daviess, Greene, Knox, Sullivan | 35 min |
| Dec 10, 11:55 PM EST | Severe Thunderstorm Warning | IND | Fountain, Montgomery, Parke, Tippecanoe, Vermillion, Vigo and 1 more | 35 min |
| Dec 11, 12:10 AM EST | Tornado Warning | IND | Daviess, Greene, Knox, Sullivan | 22 min |
| Dec 11, 12:16 AM EST | Severe Thunderstorm Warning | IND | Carroll, Clinton, Montgomery, Parke, Putnam, Tippecanoe | 29 min |
| Dec 11, 12:36 AM EST | Severe Thunderstorm Warning | IND | Boone, Carroll, Clinton, Hamilton, Howard, Montgomery and 1 more | 24 min |
| Dec 11, 12:58 AM EST | Severe Thunderstorm Warning | IND | Boone, Clinton, Hamilton, Hendricks, Howard, Madison and 4 more | 32 min |
| Dec 11, 1:05 AM EST | Severe Thunderstorm Warning | IND | Parke, Vermillion, Vigo | 25 min |
| Dec 11, 1:18 AM EST | Severe Thunderstorm Warning | IND | Delaware, Hamilton, Henry, Madison, Tipton | 38 min |
| Dec 11, 1:28 AM EST | Severe Thunderstorm Warning | IND | Clay, Parke, Putnam, Vigo | 32 min |
| Dec 11, 1:44 AM EST | Areal Flood Advisory | IND | Boone, Clinton, Montgomery, Parke, Putnam, Vermillion | 4 hr |
| Dec 11, 1:49 AM EST | Severe Thunderstorm Warning | IND | Hendricks, Putnam | 26 min |
| Dec 11, 2:08 AM EST | Special Weather Statement | IND | Daviess, Greene, Knox, Martin | 52 min |
| Dec 11, 2:15 AM EST | Severe Thunderstorm Warning | IND | Hamilton, Marion | 30 min |
| Dec 11, 2:35 AM EST | Severe Thunderstorm Warning | IND | Delaware, Henry, Madison | 25 min |
| Dec 11, 2:40 AM EST | Special Weather Statement | IND | Brown, Johnson, Monroe | 50 min |
| Dec 11, 2:56 AM EST | Severe Thunderstorm Warning | IND | Delaware, Randolph | 34 min |
| Dec 11, 2:56 AM EST | Severe Thunderstorm Warning | IND | Bartholomew, Brown, Johnson, Monroe, Morgan, Shelby | 34 min |
| Dec 11, 3:31 AM EST | Areal Flood Advisory | IND | Boone, Delaware, Hamilton, Madison, Tipton | 3 hr |
| Dec 11, 3:39 AM EST | Special Weather Statement | IND | Rush | 36 min |
| Dec 11, 3:44 AM EST | Severe Thunderstorm Warning | IND | Rush | 16 min |
| Dec 11, 3:53 AM EST | Special Weather Statement | IND | Jennings | 37 min |
| Dec 11, 10:17 AM EST | Areal Flood Warning | IND | Rush | 23 hr |
| Dec 11, 11:49 AM EST | River Flood Warning | IND | Delaware, Randolph | 16 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.