Alert archive / Michigan / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 467
The Storm Prediction Center issued this severe thunderstorm watch at Aug 19, 2014, 2:34 PM EDT for 10 counties in Indiana; 19 counties in Michigan; 6 counties in Ohio. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 19, 2014, 2:34 PM EDT (18:34 UTC)
- Expired
- Aug 19, 2014, 7:35 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 35 counties
DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Kosciusko County, IN, LaGrange County, IN, Marshall County, IN, Noble County, IN, Saint Joseph County, IN, Steuben County, IN, Whitley County, IN, Barry County, MI, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Eaton County, MI, Hillsdale County, MI, Ingham County, MI, Jackson County, MI, Kalamazoo County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Saint Joseph County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Williams County, OH
The radar
The Northern Indiana radar (KIWX), 91 km from the middle of the area, began a volume at 18:34 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 5%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 2:35 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Kalamazoo, Van Buren | 55 min |
| Aug 19, 2:41 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Clinton, Eaton, Ingham, Ionia | 64 min |
| Aug 19, 2:49 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Calhoun, Kalamazoo | 56 min |
| Aug 19, 3:02 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 58 min |
| Aug 19, 3:32 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton, Ingham, Jackson | 58 min |
| Aug 19, 3:46 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Kalamazoo | 80 min |
| Aug 19, 3:58 PM EDT | Severe Thunderstorm Warning | IWX | DeKalb, LaGrange, Noble, Steuben | 47 min |
| Aug 19, 4:16 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 44 min |
| Aug 19, 4:37 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 38 min |
| Aug 19, 5:06 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 69 min |
| Aug 19, 5:16 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 14 min |
| Aug 19, 5:46 PM EDT | Severe Thunderstorm Warning | DTX | Monroe, Wayne | 59 min |
| Aug 19, 6:17 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 58 min |
| Aug 19, 6:36 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 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
Detroit, MI (KDTX), launched 12:00Z, 6.6 hours before the alert went out and 158 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
- 82 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 2:03 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Benton, Boone, Carroll, Cass and 31 more | 57 min |
| Aug 19, 3:20 PM EDT | Mesoscale Discussion | SPC | Crawford, Daviess, Dubois, Gibson, Greene, Knox and 13 more | 115 min |
| Aug 19, 4:51 PM EDT | Mesoscale Discussion | SPC | Allen, DeKalb, LaGrange, Noble, Steuben, Whitley | 84 min |
| Aug 19, 6:24 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Blackford, Boone, Brown, Clay, Decatur and 22 more | 96 min |
Nearby
Severe Thunderstorm Watches in Michigan, 2014Severe Thunderstorm Watches in Indiana, 2014Severe Thunderstorm Watches in Ohio, 2014Every severe thunderstorm watch in 2014
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.