Alert archive / Ohio / Tornado Warnings in 2020

Tornado Warning 8, NWS Cleveland, OH

November 15, 2020Ashtabula County, Ohio

NWS Cleveland, OH issued this tornado warning at Nov 15, 2020, 1:46 PM EST for Ashtabula County, Ohio. It was in force for 15 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Nov 15, 2020, 1:46 PM EST (18:46 UTC)
Expired
Nov 15, 2020, 2:01 PM EST
In force
15 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Radar indicated

County Ashtabula County, OH

The radar

The Cleveland radar (KCLE), 95 km from the middle of the area, began a volume at 18:49 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.

What was reported inside it

TimeReportWhereRemark
Nov 15, 1:49 PM ESTTSTM WND DMG5 Wnw Orwell, OHTREE DOWN.
Nov 15, 2:06 PM ESTTSTM WND DMG6 Se Jefferson, OHTREE DOWN ON HOUSE.
Nov 15, 2:07 PM ESTTSTM WND DMG10 N Andover, OHROOF BLOWN OFF OF BARN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 15, 11:51 AM ESTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.8 hours before the alert went out and 143 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, Pittsburgh, PA at 12:00Z on 2020-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2020-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 552 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2536 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
552 m²/s²
0-3 km storm-relative helicity
541 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

087 
WFUS51 KCLE 151846
TORCLE
OHC007-151915-
/O.NEW.KCLE.TO.W.0008.201115T1846Z-201115T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
146 PM EST Sun Nov 15 2020

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Southern Ashtabula County in northeastern Ohio...

* Until 215 PM EST.
    
* At 146 PM EST, a severe thunderstorm capable of producing a tornado
  was located near Orwell, or 12 miles east of Chardon, moving
  northeast at 55 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Orwell, Andover, Roaming Shores, Pierpont and Cherry Valley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4159 8052 4150 8089 4150 8100 4155 8101
      4185 8052
TIME...MOT...LOC 1846Z 245DEG 48KT 4155 8096 

TORNADO...RADAR INDICATED
HAIL...<.75

$$

Kahn
2 follow-up statements
153 
WWUS51 KCLE 151854
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
154 PM EST Sun Nov 15 2020

OHC007-151915-
/O.CON.KCLE.TO.W.0008.000000T0000Z-201115T1915Z/
Ashtabula OH-
154 PM EST Sun Nov 15 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EST FOR
SOUTHEASTERN ASHTABULA COUNTY...
    
At 154 PM EST, a severe thunderstorm capable of producing a tornado
was located near Orwell, or 20 miles south of Geneva-On-The-Lake,
moving east at 55 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Orwell, Andover, Roaming Shores, Pierpont and Cherry Valley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4159 8052 4151 8086 4160 8089 4185 8052
TIME...MOT...LOC 1854Z 270DEG 48KT 4158 8081 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Kahn
536 
WWUS51 KCLE 151901
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
201 PM EST Sun Nov 15 2020

OHC007-151911-
/O.CAN.KCLE.TO.W.0008.000000T0000Z-201115T1915Z/
Ashtabula OH-
201 PM EST Sun Nov 15 2020

...THE TORNADO WARNING FOR SOUTHEASTERN ASHTABULA COUNTY IS
CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 400 PM EST for
northeastern Ohio.

LAT...LON 4159 8052 4151 8086 4160 8089 4185 8052
TIME...MOT...LOC 1900Z 245DEG 48KT 4162 8070 

$$

Kahn

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 15, 3:31 AM ESTHigh Wind WarningCLEAshtabula, Crawford, Cuyahoga, Erie, Geauga, Hancock and 12 more19 hr
Nov 15, 3:41 AM ESTStorm WarningCLE17 hr
Nov 15, 10:28 AM ESTSpecial Weather StatementCLEHancock, Lucas, Wood62 min
Nov 15, 10:48 AM ESTSevere Thunderstorm WarningCLEHancock, Ottawa, Sandusky, Seneca, Wood57 min
Nov 15, 11:17 AM ESTSevere Thunderstorm WarningCLEHancock, Marion, Wyandot28 min
Nov 15, 11:21 AM ESTSpecial Marine WarningCLE60 min
Nov 15, 11:38 AM ESTSevere Thunderstorm WarningCLECrawford, Erie, Huron, Marion, Morrow, Ottawa and 4 more67 min
Nov 15, 12:06 PM ESTSpecial Marine WarningCLE114 min
Nov 15, 12:19 PM ESTSevere Thunderstorm WarningCLEAshland, Cuyahoga, Holmes, Huron, Knox, Lorain and 3 more54 min
Nov 15, 12:51 PM ESTSevere Thunderstorm WarningCLECuyahoga, Geauga, Holmes, Lake, Portage, Stark and 2 more69 min
Nov 15, 1:04 PM ESTSpecial Marine WarningCLE86 min
Nov 15, 1:32 PM ESTSevere Thunderstorm WarningCLEAshtabula, Mahoning, Trumbull88 min

Nearby

Tornado Warnings in Ohio, 2020Every tornado warning in 2020Tornadoes in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.