Alert archive / Indiana / Severe Thunderstorm Watches in 2012
Severe Thunderstorm Watch 118
The Storm Prediction Center issued this severe thunderstorm watch at Mar 30, 2012, 3:24 PM EDT for 50 counties in Indiana; 45 counties in Ohio. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 30, 2012, 3:24 PM EDT (19:24 UTC)
- Expired
- Mar 30, 2012, 10:20 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 95 counties
Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, Allen County, OH, Ashland County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Crawford County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Huron County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Paulding County, OH, Pickaway County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cincinnati radar (KILN), 105 km from the middle of the area, began a volume at 19:26 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
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
40 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 3:47 PM EDT | Severe Thunderstorm Warning | IND | Montgomery, Parke, Putnam | 43 min |
| Mar 30, 4:18 PM EDT | Severe Thunderstorm Warning | IND | Boone, Hamilton | 18 min |
| Mar 30, 4:26 PM EDT | Severe Thunderstorm Warning | IND | Boone, Hendricks, Marion, Montgomery, Putnam | 49 min |
| Mar 30, 4:29 PM EDT | Severe Thunderstorm Warning | IND | Hendricks, Parke, Putnam | 46 min |
| Mar 30, 4:41 PM EDT | Severe Thunderstorm Warning | IND | Clay, Owen, Parke, Putnam, Vigo | 49 min |
| Mar 30, 4:46 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Hamilton, Madison, Tipton | 44 min |
| Mar 30, 5:00 PM EDT | Severe Thunderstorm Warning | IND | Hendricks, Johnson, Marion, Morgan, Shelby | 45 min |
| Mar 30, 5:13 PM EDT | Severe Thunderstorm Warning | IND | Hendricks, Morgan, Putnam | 47 min |
| Mar 30, 5:14 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Hendricks, Marion, Shelby | 46 min |
| Mar 30, 5:16 PM EDT | Severe Thunderstorm Warning | IND | Hamilton, Hancock, Henry, Madison | 44 min |
| Mar 30, 5:19 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Shelby | 41 min |
| Mar 30, 5:20 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Randolph | 40 min |
| Mar 30, 5:22 PM EDT | Severe Thunderstorm Warning | IND | Randolph | 11 min |
| Mar 30, 5:27 PM EDT | Severe Thunderstorm Warning | IND | Delaware | 24 min |
| Mar 30, 5:35 PM EDT | Severe Thunderstorm Warning | ILN | Hardin, Logan, Union | 25 min |
| Mar 30, 5:38 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Randolph | 52 min |
| Mar 30, 5:43 PM EDT | Severe Thunderstorm Warning | IND | Clay, Owen, Putnam | 47 min |
| Mar 30, 5:45 PM EDT | Severe Thunderstorm Warning | IND | Johnson, Marion, Morgan, Shelby | 45 min |
| Mar 30, 5:54 PM EDT | Severe Thunderstorm Warning | IND | Bartholomew, Brown, Johnson, Morgan, Owen, Putnam and 1 more | 51 min |
| Mar 30, 6:00 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Henry, Rush, Shelby | 45 min |
| Mar 30, 6:16 PM EDT | Severe Thunderstorm Warning | IND | Bartholomew, Decatur, Rush, Shelby | 44 min |
| Mar 30, 6:17 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Logan, Madison, Union | 43 min |
| Mar 30, 6:27 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Morrow, Richland | 48 min |
| Mar 30, 6:36 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Licking | 54 min |
| Mar 30, 6:41 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Montgomery, Preble | 49 min |
| Mar 30, 6:52 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Miami | 53 min |
| Mar 30, 6:56 PM EDT | Severe Thunderstorm Warning | IND | Decatur, Rush | 21 min |
| Mar 30, 6:57 PM EDT | Tornado Warning | ILN | Delaware, Licking | 33 min |
| Mar 30, 7:00 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Madison, Union | 45 min |
| Mar 30, 7:06 PM EDT | Severe Thunderstorm Warning | CLE | Knox | 24 min |
| Mar 30, 7:27 PM EDT | Tornado Warning | CLE | Knox | 38 min |
| Mar 30, 7:29 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 31 min |
| Mar 30, 7:32 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Fayette, Franklin, Greene, Madison, Pickaway | 58 min |
| Mar 30, 7:34 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Delaware, Franklin, Madison, Union | 41 min |
| Mar 30, 7:38 PM EDT | Tornado Warning | ILN | Licking | 22 min |
| Mar 30, 7:39 PM EDT | Severe Thunderstorm Warning | IND | Knox | 15 min |
| Mar 30, 7:42 PM EDT | Tornado Warning | ILN | Delaware, Franklin, Licking | 33 min |
| Mar 30, 8:11 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Clermont, Hamilton, Warren | 35 min |
| Mar 30, 8:14 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Fairfield, Franklin, Licking | 44 min |
| Mar 30, 8:24 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Madison, Pickaway, Ross | 39 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.4 hours before the alert went out and 105 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
- 825 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 249 m²/s²
- 0-3 km storm-relative helicity
- 364 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 |
|---|---|---|---|---|
| Mar 30, 2:12 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 54 more | 93 min |
| Mar 30, 3:51 PM EDT | Severe Thunderstorm Watch | SPC | Gibson, Pike, Posey, Vanderburgh, Warrick | 7 hr |
| Mar 30, 7:02 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Brown, Clay, Daviess, Dearborn, Decatur and 23 more | 28 min |
| Mar 30, 7:47 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Athens, Belmont, Brown, Carroll, Clermont and 22 more | 4 hr |
Nearby
Severe Thunderstorm Watches in Indiana, 2012Severe Thunderstorm Watches in Ohio, 2012Every severe thunderstorm watch in 2012
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.