Alert archive / Indiana / Tornado Watches in 2023
Tornado Watch 46
The Storm Prediction Center issued this tornado watch at Feb 27, 2023, 10:06 AM CST for 8 counties in Illinois; 45 counties in Indiana. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 27, 2023, 10:06 AM CST (16:06 UTC)
- Expired
- Feb 27, 2023, 3:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 55 kt
All 53 counties
Champaign County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Iroquois County, IL, Vermilion County, IL, Bartholomew County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jasper County, IN, Jay County, IN, Johnson County, IN, LaPorte County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Newton County, IN, Owen County, IN, Parke County, IN, Pulaski County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Starke County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, White County, IN
The radar
The Indianapolis radar (KIND), 91 km from the middle of the area, began a volume at 16:06 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 10:12 AM CST | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 41 min |
| Feb 27, 10:21 AM CST | Severe Thunderstorm Warning | IND | Clay, Parke, Vermillion, Vigo | 24 min |
| Feb 27, 10:29 AM CST | Tornado Warning | LOT | Newton | 16 min |
| Feb 27, 10:38 AM CST | Tornado Warning | LOT | Jasper, Porter | 37 min |
| Feb 27, 10:46 AM CST | Tornado Warning | LOT | Jasper | 29 min |
| Feb 27, 10:54 AM CST | Tornado Warning | LOT | Benton | 39 min |
| Feb 27, 11:11 AM CST | Tornado Warning | IWX | LaPorte | 20 min |
| Feb 27, 11:13 AM CST | Tornado Warning | IND | Putnam | 22 min |
| Feb 27, 11:31 AM CST | Severe Thunderstorm Warning | IND | Lawrence, Monroe | 29 min |
| Feb 27, 11:39 AM CST | Tornado Warning | IWX | Fulton, Marshall | 26 min |
| Feb 27, 11:46 AM CST | Severe Thunderstorm Warning | IND | Brown | 29 min |
| Feb 27, 12:09 PM CST | Severe Thunderstorm Warning | IND | Bartholomew, Shelby | 36 min |
| Feb 27, 12:12 PM CST | Severe Thunderstorm Warning | IND | Hamilton, Hancock, Madison, Marion | 33 min |
| Feb 27, 12:18 PM CST | Tornado Warning | IND | Howard, Tipton | 22 min |
| Feb 27, 12:24 PM CST | Tornado Warning | IND | Decatur, Jennings | 19 min |
| Feb 27, 12:32 PM CST | Tornado Warning | IND | Hamilton, Hancock, Madison | 28 min |
| Feb 27, 12:35 PM CST | Severe Thunderstorm Warning | IND | Decatur, Rush, Shelby | 29 min |
| Feb 27, 12:38 PM CST | Severe Thunderstorm Warning | IND | Hancock | 25 min |
| Feb 27, 12:55 PM CST | Severe Thunderstorm Warning | IND | Delaware, Hancock, Henry, Madison | 22 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 4.1 hours before the alert went out and 126 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
- 592 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 509 m²/s²
- 0-3 km storm-relative helicity
- 441 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 1:43 AM CST | Mesoscale Discussion | SPC | Adams, Alexander, Brown, Calhoun, Greene, Hancock and 8 more | 62 min |
| Feb 27, 8:46 AM CST | Mesoscale Discussion | SPC | Champaign, Ford, Iroquois, Piatt, Vermilion | 89 min |
| Feb 27, 9:44 AM CST | Mesoscale Discussion | SPC | Clark, Douglas, Edgar, Vermilion | 61 min |
| Feb 27, 11:37 AM CST | Mesoscale Discussion | SPC | Boone, Delaware, Hamilton, Hancock, Hendricks, Henry and 8 more | 113 min |
| Feb 27, 11:59 AM CST | Mesoscale Discussion | SPC | Dearborn, Fayette, Franklin, Jay, Ohio, Randolph and 2 more | 91 min |
| Feb 27, 12:28 PM CST | Tornado Watch | SPC | Adams, Allen, Dearborn, Fayette, Franklin, Huntington and 9 more | 5 hr |
| Feb 27, 1:13 PM CST | Mesoscale Discussion | SPC | Franklin, Union | 62 min |
Nearby
Tornado Watches in Indiana, 2023Tornado Watches in Illinois, 2023Every tornado watch in 2023
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.