Alert archive / Indiana / Mesoscale Discussions in 2003
Mesoscale Discussion 1713
The Storm Prediction Center issued this mesoscale discussion at Jul 8, 2003, 3:02 PM EST for 60 counties in Indiana; 24 counties in Kentucky; 29 counties in Ohio. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2003, 3:02 PM EST (20:02 UTC)
- Expired
- Jul 8, 2003, 4:30 PM EST
- In force
- 88 min
- Issued by
- the Storm Prediction Center
All 113 counties
Bartholomew County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clark County, IN, Clay County, IN, Clinton County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Fountain County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Harrison County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Pike County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Sullivan County, IN, Switzerland County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Vigo County, IN, Warren County, IN, Washington County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Shelby County, KY, Trimble County, KY, Adams County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Warren County, OH
The radar
The Indianapolis radar (KIND), 57 km from the middle of the area, began a volume at 20:04 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.0 hours before the alert went out and 157 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
- 537 J/kg
- Mixed-layer CIN
- -255 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
825 ACUS11 KWNS 082002 SWOMCD SPC MCD 082002 OHZ000-KYZ000-INZ000-082130- MESOSCALE DISCUSSION 1713 NWS STORM PREDICTION CENTER NORMAN OK 0302 PM CDT TUE JUL 08 2003 AREAS AFFECTED...CENTRAL-SRN IND...WEST CENTRAL-SWRN OH AND NRN KY CONCERNING...SEVERE THUNDERSTORM WATCH 682... VALID 082002Z - 082130Z PARAMETERS REMAIN FAVORABLE FOR THUNDERSTORMS PRODUCING SEVERE HAIL AND DAMAGING WIND GUSTS ACROSS CENTRAL-SRN IND INTO WEST-CENTRAL AND SWRN OH AND NRN KY. LARGE SCALE ASCENT ASSOCIATED WITH A WEAK SHORT WAVE TROUGH OVER THE LOWER OH VALLEY WILL CONTINUE TO SUPPORT THUNDERSTORM DEVELOPMENT ACROSS WW 682. ALTHOUGH DEEP LAYER SHEAR IS MODEST /20-30 KT/...30-40 KT OF WLY MID-LEVEL FLOW COMBINED WITH A VERY UNSTABLE AIR MASS WILL CONTINUE TO SUPPORT CLUSTERS OF STRONG TO SEVERE STORMS PRODUCING HAIL AND DAMAGING WIND GUSTS. ..PETERS.. 07/08/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...RLX...CLE...JKL...ILN...LMK...IWX...IND...PAH...LOT... 40628745 40648285 38288283 38118748
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 7:40 PM EST | Severe Thunderstorm Watch | SPC | Jasper, Lake, Newton, Porter | 3 hr |
| Jul 7, 9:13 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Boone, Carroll, Cass and 30 more | 62 min |
| Jul 7, 10:18 PM EST | Mesoscale Discussion | SPC | Benton, Jasper, Lake, Newton, Porter, White | 57 min |
| Jul 7, 11:00 PM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 39 more | 5 hr |
| Jul 7, 11:50 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 36 more | 85 min |
| Jul 8, 10:05 AM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 43 more | 25 min |
| Jul 8, 10:25 AM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Cass, DeKalb, Elkhart, Fulton and 19 more | 6 hr |
| Jul 8, 12:04 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Cass, DeKalb, Elkhart, Fulton and 19 more | 56 min |
| Jul 8, 12:25 PM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 42 more | 95 min |
| Jul 8, 1:25 PM EST | Severe Thunderstorm Watch | SPC | Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 54 more | 6 hr |
| Jul 8, 2:30 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Cass, DeKalb, Elkhart, Fulton and 17 more | 30 min |
| Jul 8, 3:20 PM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, DeKalb, Elkhart, Fulton, Huntington and 17 more | 4 hr |
| Jul 8, 5:38 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Benton, Blackford, Boone and 67 more | 37 min |
| Jul 8, 6:40 PM EST | Severe Thunderstorm Watch | SPC | Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 50 more | 5 hr |
| Jul 7, 8:55 PM EST | Severe Thunderstorm Watch | SPC | Boyd, Carter, Elliott, Greenup, Lewis | 3 hr |
| Jul 7, 11:57 PM EST | Mesoscale Discussion | SPC | Boyd, Carter, Greenup | 63 min |
| Jul 8, 2:02 PM EST | Mesoscale Discussion | SPC | Boyd | 28 min |
| Jul 8, 2:15 PM EST | Severe Thunderstorm Watch | SPC | Boyd | 5 hr |
| Jul 8, 4:05 PM EST | Mesoscale Discussion | SPC | Boyd | 115 min |
| Jul 7, 8:30 PM EST | Mesoscale Discussion | SPC | Adams, Ashland, Athens, Carroll, Coshocton, Crawford and 36 more | 60 min |
| Jul 8, 1:57 AM EST | Mesoscale Discussion | SPC | Ashland, Athens, Belmont, Carroll, Champaign, Clark and 44 more | 63 min |
| Jul 8, 2:20 AM EST | Severe Thunderstorm Watch | SPC | Ashland, Athens, Belmont, Carroll, Champaign, Clark and 51 more | 6 hr |
| Jul 8, 5:06 AM EST | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 21 more | 114 min |
Nearby
Mesoscale Discussions in Indiana, 2003Mesoscale Discussions in Ohio, 2003Mesoscale Discussions in Kentucky, 2003Every mesoscale discussion 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.