Alert archive / Indiana / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 676

July 7, 20034 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 7, 2003, 11:00 PM CDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 7, 2003, 11:00 PM CDT (04:00 UTC)
Expired
Jul 8, 2003, 4:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 78 counties

Cook County, IL, Iroquois County, IL, Kankakee County, IL, Lake County, IL, Vermilion County, IL, Adams County, IN, Allen County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Jay County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Madison County, IN, Marshall County, IN, Miami County, IN, Montgomery County, IN, Newton County, IN, Noble County, IN, Porter County, IN, Pulaski County, IN, Randolph County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Wabash County, IN, Warren County, IN, Wayne County, IN, Wells County, IN, White County, IN, Whitley County, IN, Berrien County, MI, Branch County, MI, Cass County, MI, Saint Joseph County, MI, Allen County, OH, Auglaize County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Defiance County, OH, Fayette County, OH, Fulton County, OH, Greene County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Logan County, OH, Lucas County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH

The radar

The Northern Indiana radar (KIWX), 40 km from the middle of the area, began a volume at 04:03 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.

Warnings issued inside it

30 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jul 7, 11:14 PM CDTSevere Thunderstorm WarningIWXLaPorte, Pulaski, Starke, White61 min
Jul 7, 11:18 PM CDTSevere Thunderstorm WarningIWXLaPorte, Pulaski, Starke, White57 min
Jul 7, 11:31 PM CDTSevere Thunderstorm WarningINDCarroll, Tippecanoe44 min
Jul 7, 11:40 PM CDTSevere Thunderstorm WarningIWXCass, Fulton, Marshall, Saint Joseph35 min
Jul 7, 11:44 PM CDTSevere Thunderstorm WarningINDFountain, Tippecanoe46 min
Jul 7, 11:45 PM CDTFlash Flood WarningINDCarroll, Clinton, Howard, Tippecanoe2 hr
Jul 8, 12:03 AM CDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Miami, Wabash57 min
Jul 8, 12:15 AM CDTSevere Thunderstorm WarningINDBoone, Clinton, Montgomery45 min
Jul 8, 12:21 AM CDTSevere Thunderstorm WarningIWXGrant, Huntington, LaGrange, Noble, Whitley59 min
Jul 8, 12:24 AM CDTSevere Thunderstorm WarningINDHoward, Tipton51 min
Jul 8, 12:34 AM CDTSevere Thunderstorm WarningINDHamilton41 min
Jul 8, 12:40 AM CDTSevere Thunderstorm WarningINDDelaware, Madison50 min
Jul 8, 12:43 AM CDTSevere Thunderstorm WarningIWXAllen, Blackford, DeKalb, Steuben, Wells62 min
Jul 8, 1:03 AM CDTFlash Flood WarningINDMadison23 hr
Jul 8, 1:03 AM CDTFlash Flood WarningINDMadison57 min
Jul 8, 1:07 AM CDTSevere Thunderstorm WarningIWXAdams, Jay53 min
Jul 8, 1:11 AM CDTSevere Thunderstorm WarningILNMercer49 min
Jul 8, 1:14 AM CDTFlash Flood WarningINDHamilton61 min
Jul 8, 1:15 AM CDTSevere Thunderstorm WarningINDHenry, Randolph45 min
Jul 8, 1:15 AM CDTFlash Flood WarningILNMercer2 hr
Jul 8, 1:23 AM CDTSevere Thunderstorm WarningILNWayne52 min
Jul 8, 1:34 AM CDTSevere Thunderstorm WarningIWXAllen, Fulton, Henry, Putnam56 min
Jul 8, 1:49 AM CDTFlash Flood WarningINDRandolph56 min
Jul 8, 1:54 AM CDTSevere Thunderstorm WarningILNAuglaize, Shelby51 min
Jul 8, 2:06 AM CDTSevere Thunderstorm WarningILNMiami, Preble39 min
Jul 8, 2:12 AM CDTSevere Thunderstorm WarningCLEHancock, Lucas, Wood63 min
Jul 8, 2:16 AM CDTSevere Thunderstorm WarningILNMontgomery44 min
Jul 8, 2:17 AM CDTSevere Thunderstorm WarningILNHardin43 min
Jul 8, 2:39 AM CDTSevere Thunderstorm WarningILNChampaign, Clark, Logan66 min
Jul 8, 2:51 AM CDTSevere Thunderstorm WarningILNGreene54 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 00:00Z, 4.0 hours before the alert went out and 238 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2003-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3170 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2003-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
3170 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1493 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 7:16 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, DuPage, Henry and 9 more3 hr
Jul 7, 7:40 PM CDTSevere Thunderstorm WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 20 more3 hr
Jul 7, 10:18 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more57 min
Jul 7, 11:50 PM CDTMesoscale DiscussionSPCIroquois, Vermilion85 min
Jul 8, 8:50 AM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, Henderson, McDonough, Mercer and 2 more115 min
Jul 8, 9:50 AM CDTSevere Thunderstorm WatchSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 28 more5 hr
Jul 8, 12:25 PM CDTMesoscale DiscussionSPCClark, Clay, Crawford, Cumberland, Edwards, Effingham and 4 more95 min
Jul 8, 12:59 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 28 more91 min
Jul 8, 1:21 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Champaign, Christian and 25 more24 min
Jul 8, 1:45 PM CDTTornado WatchSPCAdams, Brown, Bureau, Carroll, Cass, Champaign and 48 more5 hr
Jul 8, 3:40 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Cass, Champaign, Christian and 41 more95 min
Jul 8, 6:15 PM CDTSevere Thunderstorm WatchSPCAdams, Brown, Cass, Champaign, Christian, Clark and 37 more5 hr
Jul 8, 6:46 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Champaign, DeWitt, Douglas and 14 more3 hr
Jul 7, 9:13 PM CDTMesoscale DiscussionSPCAdams, Allen, Blackford, Boone, Carroll, Cass and 30 more62 min
Jul 8, 10:05 AM CDTMesoscale DiscussionSPCAdams, Allen, Benton, Blackford, Boone, Carroll and 43 more25 min
Jul 8, 10:25 AM CDTSevere Thunderstorm WatchSPCAdams, Allen, Cass, DeKalb, Elkhart, Fulton and 19 more6 hr
Jul 8, 12:04 PM CDTMesoscale DiscussionSPCAdams, Allen, Cass, DeKalb, Elkhart, Fulton and 19 more56 min
Jul 8, 1:25 PM CDTSevere Thunderstorm WatchSPCBartholomew, Benton, Blackford, Boone, Brown, Carroll and 54 more6 hr
Jul 8, 2:30 PM CDTMesoscale DiscussionSPCAdams, Allen, Cass, DeKalb, Elkhart, Fulton and 17 more30 min
Jul 8, 3:02 PM CDTMesoscale DiscussionSPCBartholomew, Benton, Blackford, Boone, Brown, Carroll and 54 more88 min
Jul 8, 3:20 PM CDTSevere Thunderstorm WatchSPCAdams, Allen, DeKalb, Elkhart, Fulton, Huntington and 17 more4 hr
Jul 8, 5:38 PM CDTMesoscale DiscussionSPCAdams, Allen, Bartholomew, Benton, Blackford, Boone and 67 more37 min
Jul 8, 6:40 PM CDTSevere Thunderstorm WatchSPCBartholomew, Benton, Blackford, Boone, Brown, Carroll and 50 more5 hr
Jul 7, 11:57 PM CDTMesoscale DiscussionSPCMonroe63 min
Jul 8, 2:20 AM CDTSevere Thunderstorm WatchSPCMonroe6 hr
Jul 7, 8:30 PM CDTMesoscale DiscussionSPCAdams, Ashland, Athens, Carroll, Coshocton, Crawford and 36 more60 min
Jul 7, 8:55 PM CDTSevere Thunderstorm WatchSPCAshland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 50 more3 hr
Jul 8, 1:57 AM CDTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Champaign, Clark and 44 more63 min
Jul 8, 5:06 AM CDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 21 more114 min
Jul 8, 2:02 PM CDTMesoscale DiscussionSPCAshland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 36 more28 min
Jul 8, 2:15 PM CDTSevere Thunderstorm WatchSPCAshland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 35 more5 hr
Jul 8, 4:05 PM CDTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Columbiana, Coshocton and 34 more115 min

Nearby

Severe Thunderstorm Watches in Indiana, 2003Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Illinois, 2003Every severe thunderstorm watch in 2003

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.