Alert archive / Ohio / Mesoscale Discussions in 2003
Mesoscale Discussion 667
The Storm Prediction Center issued this mesoscale discussion at May 1, 2003, 3:10 PM EST for 5 states. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- May 1, 2003, 3:10 PM EST (20:10 UTC)
- Expired
- May 1, 2003, 4:45 PM EST
- In force
- 95 min
- Issued by
- the Storm Prediction Center
All 140 counties
Adams 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, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Tipton County, IN, Union County, IN, Wayne County, IN, Wells County, IN, Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Hamilton County, NY, Herkimer County, NY, Lewis County, NY, Madison County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Oswego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Yates County, NY, Allen County, OH, Ashland County, OH, Auglaize County, OH, Belmont County, OH, Butler County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Geauga County, OH, Greene County, OH, Guernsey County, OH, Hancock County, OH, Hardin County, OH, Harrison County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Madison County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Muskingum County, OH, Pickaway County, OH, Portage County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Seneca County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Wayne County, OH, Wyandot County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Cameron County, PA, Clarion County, PA, Clearfield County, PA, Crawford County, PA, Elk County, PA, Forest County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Potter County, PA, Tioga County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV, Ohio County, WV
The radar
The Pittsburgh radar (KPBZ), 92 km from the middle of the area, began a volume at 20:14 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
Pittsburgh, PA (KPIT), launched 12:00Z, 8.2 hours before the alert went out and 108 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
- 93 J/kg
- Mixed-layer CIN
- -218 J/kg
- Mixed-layer LCL
- 1359 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 7:31 PM EST | Mesoscale Discussion | SPC | Allen, DeKalb, Elkhart, Fulton, Huntington, Jasper and 15 more | 119 min |
| Apr 30, 10:31 PM EST | Mesoscale Discussion | SPC | Allen, DeKalb, Elkhart, Fulton, Huntington, Jasper and 15 more | 89 min |
| Apr 30, 10:55 PM EST | Severe Thunderstorm Watch | SPC | Benton, Jasper, Lake, Newton, Porter | 5 hr |
| May 1, 1:19 AM EST | Mesoscale Discussion | SPC | Benton, Jasper, Lake, Newton | 86 min |
| May 1, 7:51 AM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clay, Daviess, Dubois, Gibson and 22 more | 114 min |
| May 1, 12:09 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Boone, Carroll, Cass and 26 more | 3 hr |
| May 1, 12:15 PM EST | Severe Thunderstorm Watch | SPC | Crawford, Dubois, Floyd, Gibson, Harrison, Perry and 5 more | 5 hr |
| May 1, 12:50 PM EST | Severe Thunderstorm Watch | SPC | Adams, Bartholomew, Blackford, Boone, Brown, Clay and 43 more | 5 hr |
| May 1, 11:41 AM EST | Mesoscale Discussion | SPC | Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung and 20 more | 3 hr |
| May 1, 12:30 PM EST | Severe Thunderstorm Watch | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Chemung, Chenango and 24 more | 6 hr |
| May 1, 3:25 PM EST | Severe Thunderstorm Watch | SPC | Clinton, Essex, Franklin, Rensselaer, Saratoga, Schenectady and 2 more | 5 hr |
| Apr 30, 8:48 PM EST | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Crawford, Cuyahoga, Defiance and 25 more | 87 min |
| May 1, 2:35 PM EST | Severe Thunderstorm Watch | SPC | Adams, Brown, Clermont, Highland, Jackson, Pike and 2 more | 5 hr |
| May 1, 5:11 PM EST | Mesoscale Discussion | SPC | Adams, Brown, Clermont, Hamilton, Highland, Jackson and 4 more | 94 min |
| May 1, 5:55 PM EST | Severe Thunderstorm Watch | SPC | Ashland, Auglaize, Butler, Champaign, Clark, Clinton and 24 more | 4 hr |
| May 1, 6:10 PM EST | Mesoscale Discussion | SPC | Adams, Brown, Clermont, Hamilton, Highland, Jackson and 4 more | 95 min |
| May 1, 5:02 PM EST | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Cumberland, Dauphin and 13 more | 3 hr |
| May 1, 10:22 AM EST | Mesoscale Discussion | SPC | Greenbrier, McDowell, Mercer, Monroe, Summers | 113 min |
Nearby
Mesoscale Discussions in Ohio, 2003Mesoscale Discussions in Indiana, 2003Mesoscale Discussions in New York, 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.