Alert archive / Ohio / Tornado Warnings in 2018

Tornado Warning 3, NWS Wilmington, OH

February 25, 2018Brown County, Clermont County, Ohio

NWS Wilmington, OH issued this tornado warning at Feb 25, 2018, 12:03 AM EST for Brown County, Clermont County, Ohio. It was in force for 13 min. 2 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
Feb 25, 2018, 12:03 AM EST (05:03 UTC)
Expired
Feb 25, 2018, 12:16 AM EST
In force
13 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Brown County, OH, Clermont County, OH

The radar

The Cincinnati radar (KILN), 67 km from the middle of the area, began a volume at 05:06 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
Feb 25, 12:03 AM ESTTORNADO 14 Wsw Felicity, OHAN EF1 TORNADO WAS CONFIRMED IN SOUTHERN CLERMONT COUNTY. THE TORNADO RESULTED IN NUMEROUS UPROOTED AND SNAPPED TREES AS WELL AS DAMAGE TO SOME PRIVATE PROPERTIES.
Feb 25, 12:13 AM ESTTORNADO 15 Nw Georgetown, OHAN EF1 TORNADO WAS CONFIRMED IN WESTERN BROWN COUNTY. THE TORNADO RESULTED IN EXTENSIVE TREE DAMAGE AS WELL AS DAMAGE TO SEVERAL PRIVATE PROPERTIES.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.1 hours before the alert went out and 69 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 00:00Z on 2018-02-25Temperature 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, Cncnati-Daytn, OH at 00:00Z on 2018-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 square meters per square second.1939587897Sfc1 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
572 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

006 
WFUS51 KILN 250503
TORILN
OHC015-025-250530-
/O.NEW.KILN.TO.W.0003.180225T0503Z-180225T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
1203 AM EST SUN FEB 25 2018

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Southeastern Clermont County in southwestern Ohio...
  West central Brown County in southwestern Ohio...

* Until 1230 AM EST.

* At 1203 AM EST, a severe thunderstorm capable of producing a
  tornado was located over Felicity, 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...
  Georgetown, Felicity, Neville, Hamersville, Chilo, Feesburg and
  Foster.

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 3880 8421 3886 8420 3895 8394 3889 8387
      3883 8389 3879 8413
TIME...MOT...LOC 0503Z 253DEG 48KT 3883 8414 

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

$$

Hatzos
2 follow-up statements
878 
WWUS51 KILN 250510
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1210 AM EST SUN FEB 25 2018

OHC025-250519-
/O.CAN.KILN.TO.W.0003.000000T0000Z-180225T0530Z/
Clermont OH-
1210 AM EST SUN FEB 25 2018

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

LAT...LON 3892 8404 3894 8398 3895 8394 3889 8387
      3883 8389 3883 8404
TIME...MOT...LOC 0509Z 253DEG 48KT 3886 8403 

$$

OHC015-250530-
/O.CON.KILN.TO.W.0003.000000T0000Z-180225T0530Z/
Brown OH-
1210 AM EST SUN FEB 25 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM EST FOR WEST
CENTRAL BROWN COUNTY...
    
At 1209 AM EST, a severe thunderstorm capable of producing a tornado
was located near Feesburg, 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...
Georgetown, Hamersville and Feesburg. 

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 3892 8404 3894 8398 3895 8394 3889 8387
      3883 8389 3883 8404
TIME...MOT...LOC 0509Z 253DEG 48KT 3886 8403 

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

$$

Hatzos
030 
WWUS51 KILN 250516
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1216 AM EST SUN FEB 25 2018

OHC015-250526-
/O.CAN.KILN.TO.W.0003.000000T0000Z-180225T0530Z/
Brown OH-
1216 AM EST SUN FEB 25 2018

...THE TORNADO WARNING FOR WEST CENTRAL BROWN COUNTY IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

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 3892 8404 3894 8398 3895 8394 3889 8387
      3883 8389 3883 8404
TIME...MOT...LOC 0516Z 253DEG 48KT 3889 8390 

$$

Hatzos

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 8:00 PM ESTAreal Flood WarningILNButler, Hamilton18 hr
Feb 24, 8:04 PM ESTFlash Flood WarningILNHamilton8 hr
Feb 24, 8:36 PM ESTFlash Flood WarningILNBrown, Clermont8 hr
Feb 24, 8:54 PM ESTAreal Flood AdvisoryILNClinton, Fayette, Greene, Highland, Montgomery, Warren5 hr
Feb 24, 9:45 PM ESTAreal Flood AdvisoryILNButler, Montgomery, Preble7 hr
Feb 24, 10:18 PM ESTFlash Flood WarningILNWarren6 hr
Feb 24, 11:48 PM ESTAreal Flood AdvisoryILNChampaign, Clark, Delaware, Franklin, Licking, Madison and 1 more18 hr
Feb 24, 11:53 PM ESTSpecial Weather StatementILNClermont37 min
Feb 25, 12:07 AM ESTSpecial Weather StatementILNBrown23 min
Feb 25, 12:36 AM ESTAreal Flood AdvisoryILNAdams, Brown4 hr
Feb 25, 12:38 AM ESTSpecial Weather StatementILNAdams37 min
Feb 25, 12:43 AM ESTSpecial Weather StatementILNFayette, Pickaway, Ross32 min
Feb 25, 12:59 AM ESTRiver Flood AdvisoryILNHamilton36 hr
Feb 25, 1:01 AM ESTSpecial Weather StatementILNScioto29 min
Feb 25, 1:23 AM ESTSpecial Weather StatementILNScioto37 min
Feb 25, 1:36 AM ESTAreal Flood AdvisoryILNClinton, Fayette, Greene, Highland, Montgomery3 hr
Feb 25, 2:12 AM ESTRiver Flood AdvisoryILNDelaware, Franklin11 hr
Feb 25, 2:23 AM ESTRiver Flood WarningILNChampaign, Clark, Greene12 hr
Feb 25, 3:13 AM ESTRiver Flood WarningILNLicking10 hr
Feb 25, 3:57 AM ESTRiver Flood WarningILNMontgomery26 hr
Feb 25, 4:15 AM ESTAreal Flood AdvisoryILNHamilton6 hr
Feb 25, 4:18 AM ESTAreal Flood AdvisoryILNBrown, Clermont6 hr
Feb 25, 4:29 AM ESTAreal Flood AdvisoryILNButler, Montgomery, Preble6 hr
Feb 25, 4:33 AM ESTAreal Flood AdvisoryILNAdams, Brown, Highland6 hr
Feb 25, 4:40 AM ESTAreal Flood AdvisoryILNClinton, Fayette, Greene, Highland, Montgomery, Warren6 hr
Feb 25, 5:18 AM ESTRiver Flood WarningILNWarren24 hr
Feb 25, 6:15 AM ESTRiver Flood WarningILNLicking25 hr
Feb 25, 6:36 AM ESTAreal Flood WarningILNButler, Hamilton12 hr
Feb 25, 10:09 AM ESTAreal Flood AdvisoryILNHamilton4 hr
Feb 25, 10:47 AM ESTAreal Flood AdvisoryILNBrown, Clermont, Clinton, Fayette, Greene, Highland and 2 more7 hr

Nearby

Tornado Warnings in Ohio, 2018Every tornado warning in 2018Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.