Alert archive / Ohio / Tornado Warnings in 2020

Tornado Warning 21, NWS Wilmington, OH

August 1, 2020Montgomery County, Preble County, Ohio

NWS Wilmington, OH issued this tornado warning at Aug 1, 2020, 5:13 PM EDT for Montgomery County, Preble County, Ohio. It was in force for 32 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
Aug 1, 2020, 5:13 PM EDT (21:13 UTC)
Expired
Aug 1, 2020, 5:45 PM EDT
In force
32 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Montgomery County, OH, Preble County, OH

The radar

The Cincinnati radar (KILN), 66 km from the middle of the area, began a volume at 21:17 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 12:00Z, 9.2 hours before the alert went out and 67 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, Cncnati-Daytn, OH at 12:00Z on 2020-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 2020-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
31 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

710 
WFUS51 KILN 012113
TORILN
OHC113-135-012145-
/O.NEW.KILN.TO.W.0021.200801T2113Z-200801T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
513 PM EDT Sat Aug 1 2020

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Southeastern Preble County in west central Ohio...
  West central Montgomery County in west central Ohio...

* Until 545 PM EDT.
    
* At 513 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Gratis, 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.

* Locations impacted include...
  West Alexandria, Gratis, New Lebanon, Farmersville, Wheatville and
  Pyrmont.

This includes I-70 in Ohio near mile marker 17.
 
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 3960 8454 3967 8461 3986 8450 3970 8434
TIME...MOT...LOC 2113Z 230DEG 18KT 3967 8454 

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

$$

Campbell
3 follow-up statements
869 
WWUS51 KILN 012120
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
520 PM EDT Sat Aug 1 2020

OHC113-135-012145-
/O.CON.KILN.TO.W.0021.000000T0000Z-200801T2145Z/
Preble OH-Montgomery OH-
520 PM EDT Sat Aug 1 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR EAST
CENTRAL PREBLE AND WEST CENTRAL MONTGOMERY COUNTIES...
    
At 520 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Gratis, 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.

Locations impacted include...
West Alexandria, Gratis, New Lebanon, Farmersville and Pyrmont. 

This includes I-70 in Ohio near mile marker 17.
 
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 3965 8452 3970 8458 3986 8450 3970 8434
TIME...MOT...LOC 2120Z 230DEG 18KT 3969 8450 

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

$$

Campbell
482 
WWUS51 KILN 012129
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
529 PM EDT Sat Aug 1 2020

OHC113-135-012145-
/O.CON.KILN.TO.W.0021.000000T0000Z-200801T2145Z/
Preble OH-Montgomery OH-
529 PM EDT Sat Aug 1 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR EAST
CENTRAL PREBLE AND WEST CENTRAL MONTGOMERY COUNTIES...
    
At 528 PM EDT, a severe thunderstorm capable of producing a tornado
was located near West Alexandria, 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.

Locations impacted include...
New Lebanon and Pyrmont. 

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 3969 8450 3971 8454 3983 8447 3972 8436
TIME...MOT...LOC 2128Z 230DEG 18KT 3972 8446 

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

$$

Campbell
183 
WWUS51 KILN 012139
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
539 PM EDT Sat Aug 1 2020

OHC113-135-012149-
/O.EXP.KILN.TO.W.0021.000000T0000Z-200801T2145Z/
Preble OH-Montgomery OH-
539 PM EDT Sat Aug 1 2020

...THE TORNADO WARNING FOR EAST CENTRAL PREBLE AND WEST CENTRAL
MONTGOMERY COUNTIES WILL EXPIRE AT 545 PM EDT...
    
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.

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 3969 8450 3971 8454 3983 8447 3972 8436
TIME...MOT...LOC 2139Z 230DEG 18KT 3975 8441 

$$

Campbell

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 2:02 PM EDTSpecial Weather StatementILNAdams28 min
Aug 1, 2:29 PM EDTSpecial Weather StatementILNAdams31 min
Aug 1, 2:55 PM EDTSevere Thunderstorm WarningILNPike, Scioto35 min
Aug 1, 3:05 PM EDTSpecial Weather StatementILNAdams25 min
Aug 1, 3:28 PM EDTSpecial Weather StatementILNScioto32 min
Aug 1, 3:35 PM EDTSpecial Weather StatementILNHighland25 min
Aug 1, 3:39 PM EDTSevere Thunderstorm WarningILNPike, Scioto36 min
Aug 1, 4:05 PM EDTSpecial Weather StatementILNBrown25 min
Aug 1, 4:28 PM EDTSpecial Weather StatementILNBrown, Clermont32 min
Aug 1, 4:49 PM EDTSpecial Weather StatementILNMiami26 min
Aug 1, 5:05 PM EDTSpecial Weather StatementILNMontgomery, Preble25 min
Aug 1, 5:11 PM EDTSevere Thunderstorm WarningILNDarke, Montgomery, Preble49 min
Aug 1, 5:12 PM EDTSpecial Weather StatementILNMiami33 min
Aug 1, 5:51 PM EDTSpecial Weather StatementILNMontgomery24 min
Aug 1, 5:52 PM EDTSpecial Weather StatementILNHardin38 min
Aug 1, 7:25 PM EDTSpecial Weather StatementILNDelaware20 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.