Alert archive / Ohio / Tornado Warnings in 2018

Tornado Warning 2, NWS Cleveland, OH

July 31, 2018Marion County, Ohio

NWS Cleveland, OH issued this tornado warning at Jul 31, 2018, 10:14 PM EDT for Marion County, Ohio. It was in force for 46 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: Jul 31, 2018, 10:14 PM EDT (02:14 UTC)
Expired: Jul 31, 2018, 11:00 PM EDT
In force: 46 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Tornado: Radar indicated

County Marion County, OH

The radar

The Cincinnati radar (KILN), 136 km from the middle of the area, began a volume at 02:15 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.2 hours before the alert went out and 134 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: 632 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 868 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted.

919 
WFUS51 KCLE 010214
TORCLE
OHC101-010300-
/O.NEW.KCLE.TO.W.0002.180801T0214Z-180801T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
1014 PM EDT TUE JUL 31 2018

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Western Marion County in north central Ohio...

* Until 1100 PM EDT.
    
* At 1012 PM EDT,a severe thunderstorm capable of producing a 
  tornado was located near Richwood, or 15 miles southeast of 
  Kenton, moving northeast at 20 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.

* This dangerous storm will be near...
  Marion around 1100 PM EDT.

Other locations impacted by this tornadic thunderstorm include Green
Camp and New Bloomington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4051 8325 4051 8342 4053 8341 4058 8342
      4070 8325 4070 8314 4061 8306 4055 8310
      4045 8325
TIME...MOT...LOC 0212Z 226DEG 18KT 4048 8340 

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

$$

Mullen

4 follow-up statements

441 
WWUS51 KCLE 010228
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1028 PM EDT TUE JUL 31 2018

OHC101-010300-
/O.CON.KCLE.TO.W.0002.000000T0000Z-180801T0300Z/
Marion OH-
1028 PM EDT TUE JUL 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR WESTERN
MARION COUNTY...
    
At 1027 PM EDT, a severe thunderstorm capable of producing a tornado 
was located 4 miles southeast of La Rue, or 11 miles west of Marion, 
moving northeast at 25 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.

This dangerous storm will be near...
  Marion around 1100 PM EDT.

Other locations that may be impacted by this tornadic thunderstorm 
include Green Camp and New Bloomington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4051 8325 4051 8342 4053 8341 4058 8342
      4070 8325 4070 8314 4061 8306 4055 8310
      4045 8325
TIME...MOT...LOC 0227Z 227DEG 20KT 4053 8333 

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

$$

Mullen

808 
WWUS51 KCLE 010237
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1037 PM EDT TUE JUL 31 2018

OHC101-010300-
/O.CON.KCLE.TO.W.0002.000000T0000Z-180801T0300Z/
Marion OH-
1037 PM EDT TUE JUL 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR CENTRAL
MARION COUNTY...
    
At 1035 PM EDT, a severe thunderstorm capable of producing a tornado
was located near La Rue, or 7 miles west of Marion, moving northeast
at 25 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.

This dangerous storm will be near...
  Marion around 1100 PM EDT.

Other locations impacted by this tornadic thunderstorm include Green
Camp and New Bloomington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4051 8325 4054 8333 4060 8333 4070 8325
      4070 8314 4061 8306 4055 8310 4045 8325
TIME...MOT...LOC 0235Z 226DEG 21KT 4057 8328 

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

$$

Mullen

754 
WWUS51 KCLE 010249
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1049 PM EDT TUE JUL 31 2018

OHC101-010300-
/O.CON.KCLE.TO.W.0002.000000T0000Z-180801T0300Z/
Marion OH-
1049 PM EDT TUE JUL 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR NORTH
CENTRAL MARION COUNTY...
    
At 1047 PM EDT, a severe thunderstorm capable of producing a tornado 
was located juest west of Marion, moving northeast at 25 mph. The 
radar circulation was located about 3 miles northwest of Marion.

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.

This dangerous storm will be near...
  Marion around 1100 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4054 8322 4059 8328 4065 8326 4070 8323
      4070 8314 4061 8306 4056 8314
TIME...MOT...LOC 0247Z 229DEG 20KT 4062 8320 

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

$$

Mullen

459 
WWUS51 KCLE 010300
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1100 PM EDT TUE JUL 31 2018

OHC101-010310-
/O.EXP.KCLE.TO.W.0002.000000T0000Z-180801T0300Z/
Marion OH-
1100 PM EDT TUE JUL 31 2018

...THE TORNADO WARNING FOR NORTH CENTRAL MARION COUNTY HAS EXPIRED...
                
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 allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 4054 8322 4059 8328 4065 8326 4070 8323
      4070 8314 4061 8306 4056 8314
TIME...MOT...LOC 0300Z 226DEG 18KT 4066 8314 

$$

Mullen

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 9:12 PM EDT	Special Weather Statement	CLE	Crawford, Hancock, Marion, Seneca, Wyandot	63 min

Nearby

Tornado Warnings in Ohio, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.