Alert archive / Ohio / Mesoscale Discussions in 2013
Mesoscale Discussion 2000
The Storm Prediction Center issued this mesoscale discussion at Nov 1, 2013, 12:39 AM EDT for 13 counties in Kentucky; 59 counties in Ohio; Crawford County, Pennsylvania. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Nov 1, 2013, 12:39 AM EDT (04:39 UTC)
- Expired
- Nov 1, 2013, 2:15 AM EDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 73 counties
Bracken County, KY, Campbell 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, Adams County, OH, Ashland County, OH, Athens County, OH, Brown 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, Cuyahoga County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Geauga County, OH, Greene County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Knox County, OH, Lawrence County, OH, Licking County, OH, Lorain County, OH, Madison County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Meigs County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Ottawa County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Scioto County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Wayne County, OH, Wyandot County, OH, Crawford County, PA
The radar
The Cleveland radar (KCLE), 132 km from the middle of the area, began a volume at 04:41 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 00:00Z, 4.7 hours before the alert went out and 145 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 716 m²/s²
- 0-3 km storm-relative helicity
- 846 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
488
ACUS11 KWNS 010440
SWOMCD
SPC MCD 010439
PAZ000-OHZ000-WVZ000-KYZ000-INZ000-010615-
MESOSCALE DISCUSSION 2000
NWS STORM PREDICTION CENTER NORMAN OK
1139 PM CDT THU OCT 31 2013
AREAS AFFECTED...OH AND NRN KY
CONCERNING...SEVERE THUNDERSTORM WATCH 556...
VALID 010439Z - 010615Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 556
CONTINUES.
SUMMARY...A LINE OF SHALLOW CONVECTION WILL CONTINUE TO POSE A
DAMAGING WIND THREAT ACROSS WW 556.
DISCUSSION...A LINE OF HIGH REFLECTIVITY RAIN AND OCCASIONAL
THUNDERSTORMS CONTINUES TO MOVE RAPIDLY EWD WITH THE COLD FRONT.
WIND JUST ABOVE THE SURFACE ARE VERY STRONG...AND THIS AREA OF
PRECIPITATION IS HELPING TO TRANSPORT STRONGER WINDS TO THE SURFACE.
SURFACE ANALYSIS SHOWS A NARROW AXIS OF LOWER 60S F DEWPOINTS ACROSS
KY AND INTO SWRN OH...BUT DRIER AIR EXISTS ACROSS ERN OH AND KY. DUE
TO THE DRIER AND MORE STABLE AIR...THE WIND THREAT SHOULD GRADUALLY
DECREASE WITH TIME. NEVERTHELESS...EXTREME LOW LEVEL WINDS SHOWN ON
LOCAL VAD PROFILES SUGGEST THAT NEW WATCHES MAY BE REQUIRED INTO
PARTS OF WESTERN PA/WV AND EASTERN KY OVERNIGHT.
..JEWELL.. 11/01/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...PBZ...RLX...CLE...JKL...ILN...LMK...
LAT...LON 41738000 38388250 38408525 39598409 41138337 41758326
41738000SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 31, 8:39 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Butler, Calloway, Christian and 13 more | 66 min |
| Oct 31, 8:44 PM EDT | Mesoscale Discussion | SPC | Ballard, Breckinridge, Bullitt, Caldwell, Carlisle, Crittenden and 17 more | 2 hr |
| Oct 31, 8:54 PM EDT | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 29 more | 5 hr |
| Oct 31, 9:53 PM EDT | Mesoscale Discussion | SPC | Boone, Bourbon, Bracken, Campbell, Carroll, Fleming and 11 more | 2 hr |
| Oct 31, 10:09 PM EDT | Severe Thunderstorm Watch | SPC | Boone, Boyd, Bracken, Campbell, Carroll, Carter and 9 more | 6 hr |
| Oct 31, 11:11 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Breckinridge, Bullitt and 33 more | 64 min |
| Nov 1, 12:46 AM EDT | Severe Thunderstorm Watch | SPC | Bath, Bell, Breathitt, Clay, Elliott, Estill and 28 more | 5 hr |
| Nov 1, 3:37 AM EDT | Mesoscale Discussion | SPC | Bell, Floyd, Harlan, Knott, Letcher, Martin and 1 more | 83 min |
| Nov 1, 4:17 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Cameron, Centre and 26 more | 4 hr |
| Nov 1, 5:41 AM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bradford, Bucks, Carbon, Chester and 33 more | 94 min |
| Nov 1, 6:25 AM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 5 hr |
| Nov 1, 8:34 AM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia | 86 min |
Nearby
Mesoscale Discussions in Ohio, 2013Mesoscale Discussions in Kentucky, 2013Mesoscale Discussions in Pennsylvania, 2013Every mesoscale discussion in 2013
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.