Alert archive / Indiana / Severe Thunderstorm Watches in 2014

Severe Thunderstorm Watch 417

July 14, 20144 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 14, 2014, 11:42 AM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jul 14, 2014, 11:42 AM CDT (16:42 UTC)
Expired: Jul 14, 2014, 6:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 1.5 in
Strongest gust expected: 60 kt

All 142 counties

Bond County, IL, Calhoun County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Cook County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, DuPage County, IL, Edgar County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Greene County, IL, Grundy County, IL, Iroquois County, IL, Jasper County, IL, Jersey County, IL, Kankakee County, IL, Lawrence County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, McLean County, IL, Menard County, IL, Monroe County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Pike County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Sangamon County, IL, Scott County, IL, Shelby County, IL, Vermilion County, IL, Washington County, IL, Will County, IL, Bartholomew County, IN, Benton County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Elkhart County, IN, Fountain County, IN, Fulton 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, Jasper County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Martin County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Newton County, IN, Noble County, IN, Owen County, IN, Parke County, IN, Porter County, IN, Pulaski County, IN, Putnam County, IN, Rush County, IN, Saint Joseph County, IN, Shelby County, IN, Starke County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, White County, IN, Whitley County, IN, Berrien County, MI, Cass County, MI, Saint Joseph County, MI, Audrain County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Phelps County, MO, Pike County, MO, Pulaski County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Warren County, MO, Washington County, MO

The radar

The Lincoln radar (KILX), 66 km from the middle of the area, began a volume at 16:45 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: 10%
One or more EF2 to EF5 tornadoes: 2%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 40%
One or more hailstones of 2 inches or more: 10%
Six or more combined severe hail and wind reports: 80%

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
Jul 14, 11:45 AM CDT	Severe Thunderstorm Warning	ILX	McLean, Tazewell, Woodford	45 min
Jul 14, 11:58 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, Macon	47 min
Jul 14, 12:08 PM CDT	Severe Thunderstorm Warning	SGF	Morgan	28 min
Jul 14, 12:22 PM CDT	Severe Thunderstorm Warning	LSX	Moniteau	38 min
Jul 14, 12:46 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, DeWitt, Macon, Moultrie, Piatt	44 min
Jul 14, 12:56 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole, Moniteau	36 min
Jul 14, 1:19 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Moultrie, Piatt, Vermilion	41 min
Jul 14, 1:44 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Coles, Douglas, Edgar, Vermilion	46 min
Jul 14, 1:45 PM CDT	Severe Thunderstorm Warning	IND	Fountain, Warren	60 min
Jul 14, 1:49 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	41 min
Jul 14, 2:07 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	38 min
Jul 14, 2:09 PM CDT	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion	51 min
Jul 14, 2:27 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	18 min
Jul 14, 2:31 PM CDT	Severe Thunderstorm Warning	IND	Montgomery, Tippecanoe	44 min
Jul 14, 2:42 PM CDT	Severe Thunderstorm Warning	IWX	Cass, Fulton, Miami, Pulaski	38 min
Jul 14, 3:04 PM CDT	Severe Thunderstorm Warning	IND	Hendricks, Montgomery, Morgan, Parke, Putnam	41 min
Jul 14, 3:43 PM CDT	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hendricks, Johnson, Marion, Morgan and 2 more	47 min
Jul 14, 4:37 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	23 min
Jul 14, 4:43 PM CDT	Severe Thunderstorm Warning	IND	Knox	32 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, 4.7 hours before the alert went out and 110 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 745 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 876 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 13, 10:04 PM CDT	Mesoscale Discussion	SPC	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more	86 min
Jul 14, 10:56 AM CDT	Mesoscale Discussion	SPC	Brown, Calhoun, Cass, Champaign, Christian, DeWitt and 26 more	94 min
Jul 14, 2:21 PM CDT	Mesoscale Discussion	SPC	Bond, Clark, Clay, Clinton, Coles, Crawford and 29 more	54 min
Jul 14, 4:53 PM CDT	Mesoscale Discussion	SPC	Edwards, Gallatin, Hamilton, Saline, Wabash, White	67 min
Jul 14, 5:28 PM CDT	Severe Thunderstorm Watch	SPC	Dearborn, Fayette, Franklin, Ripley, Union, Wayne	3 hr
Jul 14, 12:10 PM CDT	Mesoscale Discussion	SPC	Dunklin, New Madrid, Pemiscot	2 hr
Jul 14, 1:10 PM CDT	Mesoscale Discussion	SPC	Barton, Bates, Cedar, Christian, Dade, Dallas and 10 more	2 hr
Jul 14, 1:22 PM CDT	Severe Thunderstorm Watch	SPC	Dunklin, Pemiscot	7 hr
Jul 14, 3:57 PM CDT	Mesoscale Discussion	SPC	Dunklin, Pemiscot	93 min
Jul 14, 5:53 PM CDT	Mesoscale Discussion	SPC	Pemiscot	97 min

Nearby

Severe Thunderstorm Watches in Indiana, 2014 Severe Thunderstorm Watches in Illinois, 2014 Severe Thunderstorm Watches in Missouri, 2014 Every 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.