Alert archive / Ohio / Mesoscale Discussions in 2015
Mesoscale Discussion 1413
The Storm Prediction Center issued this mesoscale discussion at Jul 14, 2015, 3:12 PM EDT for 5 states. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Jul 14, 2015, 3:12 PM EDT (19:12 UTC)
- Expired
- Jul 14, 2015, 4:45 PM EDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
All 130 counties
Blackford County, IN, Dearborn County, IN, Fayette County, IN, Franklin County, IN, Jay County, IN, Ohio County, IN, Randolph County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Shelby County, KY, Trimble County, KY, Adams County, OH, Allen County, OH, Ashland County, OH, Athens County, OH, Auglaize County, OH, Belmont County, OH, Brown County, OH, Butler County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Greene County, OH, Guernsey County, OH, Hamilton County, OH, Hardin County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Meigs County, OH, Mercer County, OH, Miami County, OH, Monroe County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Preble County, OH, Richland County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Wayne County, OH, Wyandot County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Fayette County, PA, Greene County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, Barbour County, WV, Brooke County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Preston County, WV, Ritchie County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Cincinnati radar (KILN), 99 km from the middle of the area, began a volume at 19:16 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, 7.2 hours before the alert went out and 97 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
- 444 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
430 ACUS11 KWNS 141912 SWOMCD SPC MCD 141912 PAZ000-MDZ000-WVZ000-OHZ000-KYZ000-INZ000-142045- MESOSCALE DISCUSSION 1413 NWS STORM PREDICTION CENTER NORMAN OK 0212 PM CDT TUE JUL 14 2015 AREAS AFFECTED...OH...SERN INDIANA...WRN PA...NRN KY...WV CONCERNING...SEVERE THUNDERSTORM WATCH 421... VALID 141912Z - 142045Z THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 421 CONTINUES. SUMMARY...SEVERE THREAT WILL SPREAD ACROSS THE REMAINDER OF WW421 BY EARLY EVENING. DISCUSSION...MCS IS GRADUALLY EXPANDING IN AREAL COVERAGE AS IT PROPAGATES SEWD ACROSS OH AT ROUGHLY 30-35KT. GIVEN THE CURRENT SPEED/MOVEMENT...SEVERE THREAT SHOULD APPROACH THE OH RIVER AROUND 21Z THEN SPREAD TOWARD SRN PORTIONS OF WW421 AFTER 15/00Z. DAMAGING WINDS COULD BE COMMON ALONG LEADING EDGE OF SQUALL LINE. ..DARROW.. 07/14/2015 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...CTP...LWX...PBZ...RLX...CLE...JKL...ILN...LMK... IWX...IND... LAT...LON 40628536 41577938 39117936 38178537 40628536
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 8:22 PM EDT | Tornado Watch | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 52 more | 7 hr |
| Jul 13, 9:31 PM EDT | Mesoscale Discussion | SPC | Clark, Crawford, Dearborn, Dubois, Floyd, Franklin and 16 more | 59 min |
| Jul 13, 10:19 PM EDT | Severe Thunderstorm Watch | SPC | Clark, Crawford, Dearborn, Dubois, Fayette, Floyd and 18 more | 7 hr |
| Jul 13, 11:22 PM EDT | Mesoscale Discussion | SPC | Allen, Bartholomew, Benton, Blackford, Boone, Brown and 52 more | 53 min |
| Jul 14, 12:47 AM EDT | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clark, Dearborn, Decatur and 24 more | 58 min |
| Jul 14, 1:56 AM EDT | Mesoscale Discussion | SPC | Clay, Daviess, Gibson, Greene, Knox, Martin and 2 more | 64 min |
| Jul 14, 3:06 AM EDT | Severe Thunderstorm Watch | SPC | Brown, Clark, Clay, Crawford, Daviess, Dubois and 19 more | 5 hr |
| Jul 14, 5:35 AM EDT | Mesoscale Discussion | SPC | Dubois, Knox, Perry, Pike | 85 min |
| Jul 14, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more | 7 hr |
| Jul 14, 4:37 PM EDT | Mesoscale Discussion | SPC | Blackford, Dearborn, Fayette, Franklin, Jay, Ohio and 5 more | 83 min |
| Jul 14, 6:35 AM EDT | Mesoscale Discussion | SPC | Bell, Clay, Jackson, Knox, Laurel, McCreary and 3 more | 55 min |
| Jul 14, 1:14 PM EDT | Mesoscale Discussion | SPC | Allen, Clinton, Cumberland, McCreary, Monroe, Simpson | 91 min |
| Jul 14, 3:41 PM EDT | Mesoscale Discussion | SPC | Allen, Calloway, Carlisle, Clinton, Fulton, Graves and 6 more | 94 min |
| Jul 14, 5:10 PM EDT | Severe Thunderstorm Watch | SPC | Anderson, Bath, Bell, Bourbon, Boyle, Breathitt and 52 more | 6 hr |
| Jul 14, 11:44 AM EDT | Mesoscale Discussion | SPC | Ashland, Auglaize, Carroll, Champaign, Clark, Clinton and 40 more | 61 min |
| Jul 14, 3:58 PM EDT | Mesoscale Discussion | SPC | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 10 more | 62 min |
| Jul 14, 6:10 PM EDT | Mesoscale Discussion | SPC | Berkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 7 more | 2 hr |
| Jul 14, 6:44 PM EDT | Severe Thunderstorm Watch | SPC | Berkeley, Grant, Greenbrier, Hardy, Jefferson, Mercer and 4 more | 4 hr |
Nearby
Mesoscale Discussions in Ohio, 2015Mesoscale Discussions in West Virginia, 2015Mesoscale Discussions in Kentucky, 2015Every mesoscale discussion in 2015
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.