Alert archive / Ohio / Tornado Warnings in 2017

Tornado Warning 33, NWS Wilmington, OH

November 5, 2017Clark County, Madison County, Ohio

NWS Wilmington, OH issued this tornado warning at Nov 5, 2017, 6:23 PM EST for Clark County, Madison County, Ohio. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Nov 5, 2017, 6:23 PM EST (23:23 UTC)
Expired: Nov 5, 2017, 6:38 PM EST
In force: 15 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Clark County, OH, Madison County, OH

The radar

The Cincinnati radar (KILN), 74 km from the middle of the area, began a volume at 23:26 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 watch it was issued in

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

Issued	Product	Office	Lasted
Nov 5, 12:08 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.4 hours before the alert went out and 73 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 214 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 522 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 209 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

646 
WFUS51 KILN 052323
TORILN
OHC023-097-060000-
/O.NEW.KILN.TO.W.0033.171105T2323Z-171106T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
623 PM EST SUN NOV 5 2017

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  East central Clark County in west central Ohio...
  Central Madison County in central Ohio...

* Until 700 PM EST.

* At 623 PM EST, a severe thunderstorm capable of producing a tornado
  was located over Choctaw Lake, moving east at 35 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...
  London, Jefferson, West Jefferson, Choctaw Lake, Lake Darby,
  Brighton, Lafayette, Interstate 70 at US Route 42, Interstate 70 at
  State Route 56, Lilly Chapel, State Route 29 at State Route 38 and
  Plumwood.

This includes I-70 in Ohio between mile markers 68 and 86.
 
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.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 4002 8325 4001 8325 4000 8326 3999 8325
      3992 8324 3992 8325 3985 8325 3991 8359
      4001 8356
TIME...MOT...LOC 2323Z 276DEG 32KT 3995 8353 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

KC

2 follow-up statements

509 
WWUS51 KILN 052333
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
633 PM EST SUN NOV 5 2017

OHC023-052342-
/O.CAN.KILN.TO.W.0033.000000T0000Z-171106T0000Z/
Clark OH-
633 PM EST SUN NOV 5 2017

...THE TORNADO WARNING FOR EAST CENTRAL CLARK COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 700 PM EST for central Ohio.

A severe thunderstorm watch remains in effect until 100 AM EST for
central Ohio.

LAT...LON 4002 8325 4001 8325 4000 8326 3999 8325
      3992 8324 3992 8325 3985 8325 3990 8353
      4001 8347
TIME...MOT...LOC 2332Z 276DEG 32KT 3994 8342 

$$

OHC097-060000-
/O.CON.KILN.TO.W.0033.000000T0000Z-171106T0000Z/
Madison OH-
633 PM EST SUN NOV 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EST FOR CENTRAL
MADISON COUNTY...
    
At 632 PM EST, a severe thunderstorm capable of producing a tornado
was located near London, moving east at 35 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...
London, Jefferson, West Jefferson, Choctaw Lake, Lake Darby,
Lafayette, Interstate 70 at US Route 42, Interstate 70 at State Route
56, Lilly Chapel, State Route 29 at State Route 38 and Plumwood.

This includes I-70 in Ohio between mile markers 72 and 86.
 
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.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 4002 8325 4001 8325 4000 8326 3999 8325
      3992 8324 3992 8325 3985 8325 3990 8353
      4001 8347
TIME...MOT...LOC 2332Z 276DEG 32KT 3994 8342 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

KC

127 
WWUS51 KILN 052338
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
638 PM EST SUN NOV 5 2017

OHC097-052348-
/O.CAN.KILN.TO.W.0033.000000T0000Z-171106T0000Z/
Madison OH-
638 PM EST SUN NOV 5 2017

...THE TORNADO WARNING FOR CENTRAL MADISON COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 100 AM EST for
central Ohio.

Please report previous tornadoes, wind damage or hail to the National
Weather Service by going to our website at weather.gov/iln and
submitting your report via social media.

LAT...LON 4002 8325 4001 8325 4000 8326 3999 8325
      3992 8324 3992 8325 3985 8325 3990 8353
      4001 8347
TIME...MOT...LOC 2337Z 276DEG 32KT 3993 8335 

$$

KC

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 3:23 AM EST	Flash Flood Watch	ILN	Auglaize, Brown, Butler, Champaign, Clark, Clermont and 23 more	24 hr
Nov 5, 2:07 PM EST	Tornado Warning	ILN	Mercer	23 min
Nov 5, 2:25 PM EST	Tornado Warning Tornado observed	ILN	Mercer	35 min
Nov 5, 2:40 PM EST	Tornado Warning	ILN	Auglaize, Mercer	35 min
Nov 5, 2:55 PM EST	Tornado Warning Tornado observed	ILN	Auglaize	20 min
Nov 5, 3:20 PM EST	Special Weather Statement	ILN	Mercer	25 min
Nov 5, 3:27 PM EST	Severe Thunderstorm Warning	ILN	Auglaize, Mercer	48 min
Nov 5, 3:33 PM EST	Tornado Warning	ILN	Mercer	12 min
Nov 5, 3:37 PM EST	Areal Flood Advisory	ILN	Mercer	3 hr
Nov 5, 3:45 PM EST	Severe Thunderstorm Warning	ILN	Darke	28 min
Nov 5, 3:49 PM EST	Severe Thunderstorm Warning	ILN	Auglaize, Hardin, Logan, Shelby	41 min
Nov 5, 3:51 PM EST	Special Weather Statement	ILN	Hardin	39 min
Nov 5, 4:02 PM EST	Areal Flood Advisory	ILN	Auglaize	3 hr
Nov 5, 4:22 PM EST	Severe Thunderstorm Warning	ILN	Hardin, Logan, Union	24 min
Nov 5, 4:25 PM EST	Special Weather Statement	ILN	Hamilton, Warren	35 min
Nov 5, 4:41 PM EST	Areal Flood Advisory	ILN	Butler, Clermont, Hamilton, Warren	3 hr
Nov 5, 4:41 PM EST	Special Weather Statement	ILN	Shelby	34 min
Nov 5, 5:02 PM EST	Areal Flood Advisory	ILN	Darke	3 hr
Nov 5, 5:13 PM EST	Special Weather Statement	ILN	Miami	47 min
Nov 5, 5:17 PM EST	Areal Flood Advisory	ILN	Auglaize, Hardin, Logan	3 hr
Nov 5, 5:21 PM EST	Severe Thunderstorm Warning	ILN	Champaign, Darke, Miami, Shelby	24 min
Nov 5, 5:36 PM EST	Special Weather Statement	ILN	Champaign, Clark	24 min
Nov 5, 5:42 PM EST	Areal Flood Advisory	ILN	Darke, Preble	3 hr
Nov 5, 5:42 PM EST	Severe Thunderstorm Warning	ILN	Champaign, Clark, Miami	33 min
Nov 5, 5:50 PM EST	Special Weather Statement	ILN	Preble	25 min
Nov 5, 5:57 PM EST	Special Weather Statement	ILN	Clark, Delaware, Madison, Union	33 min
Nov 5, 6:09 PM EST	Areal Flood Advisory	ILN	Champaign, Clark, Miami, Montgomery	3 hr
Nov 5, 6:18 PM EST	Severe Thunderstorm Warning	ILN	Clark, Greene, Madison	27 min
Nov 5, 6:23 PM EST	Areal Flood Advisory	ILN	Champaign, Clark, Delaware, Madison, Union	3 hr
Nov 5, 6:25 PM EST	Special Weather Statement	ILN	Delaware, Franklin, Madison	50 min
Nov 5, 6:30 PM EST	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Licking, Madison, Union	30 min
Nov 5, 6:37 PM EST	Areal Flood Advisory	ILN	Delaware, Franklin, Licking, Madison	3 hr
Nov 5, 6:45 PM EST	Areal Flood Advisory	ILN	Montgomery, Preble	3 hr
Nov 5, 6:55 PM EST	Areal Flood Advisory	ILN	Fairfield, Franklin, Licking	3 hr
Nov 5, 6:56 PM EST	Severe Thunderstorm Warning	ILN	Delaware, Fairfield, Franklin, Licking, Pickaway	34 min
Nov 5, 6:58 PM EST	Special Weather Statement	ILN	Montgomery	47 min

Nearby

Tornado Warnings in Ohio, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.