Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 113, NWS Wilmington, OH

August 27, 2021Miami County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 27, 2021, 7:52 PM EDT for Miami County, Ohio. It was in force for 38 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 27, 2021, 7:52 PM EDT (23:52 UTC)
Expired
Aug 27, 2021, 8:30 PM EDT
In force
38 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Miami County, OH

The radar

The Cincinnati radar (KILN), 78 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 77 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 2021-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 167 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 2021-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
167 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

711 
WUUS51 KILN 272352
SVRILN
OHC109-280030-
/O.NEW.KILN.SV.W.0113.210827T2352Z-210828T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
752 PM EDT Fri Aug 27 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Eastern Miami County in west central Ohio...

* Until 830 PM EDT.

* At 752 PM EDT, a severe thunderstorm was located near Troy, moving
  north at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Troy, Piqua, Tipp City, Brown, Fletcher, Casstown, Farrington,
  Haven View, Grayson and Ginghamsburg.

This includes I-75 in Ohio between mile markers 66 and 85.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 4018 8402 3990 8405 3994 8425 4020 8429
TIME...MOT...LOC 2352Z 178DEG 20KT 4004 8414 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hickman
2 follow-up statements
058 
WWUS51 KILN 280004
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
804 PM EDT Fri Aug 27 2021

OHC109-280030-
/O.CON.KILN.SV.W.0113.000000T0000Z-210828T0030Z/
Miami OH-
804 PM EDT Fri Aug 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR EASTERN MIAMI COUNTY...

At 804 PM EDT, a severe thunderstorm was located near Troy, moving
north at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Troy, Piqua, Tipp City, Brown, Fletcher, Casstown, Farrington, Haven
View, Grayson and Ginghamsburg.

This includes I-75 in Ohio between mile markers 66 and 85.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 4018 8402 3990 8405 3994 8425 4020 8429
TIME...MOT...LOC 0004Z 178DEG 14KT 4009 8414 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hickman
513 
WWUS51 KILN 280024
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
824 PM EDT Fri Aug 27 2021

OHC109-280034-
/O.EXP.KILN.SV.W.0113.000000T0000Z-210828T0030Z/
Miami OH-
824 PM EDT Fri Aug 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MIAMI COUNTY WILL
EXPIRE AT 830 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

Please report previous 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 4018 8402 3990 8405 3994 8425 4020 8429
TIME...MOT...LOC 0024Z 184DEG 21KT 4010 8414 

$$

Hickman

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 4:55 PM EDTSpecial Weather StatementILNHamilton35 min
Aug 27, 5:48 PM EDTSpecial Weather StatementILNHardin27 min
Aug 27, 5:51 PM EDTSpecial Weather StatementILNHamilton39 min
Aug 27, 5:56 PM EDTSpecial Weather StatementILNButler34 min
Aug 27, 6:10 PM EDTSpecial Weather StatementILNBrown35 min
Aug 27, 6:11 PM EDTAreal Flood AdvisoryILNClermont, Hamilton2 hr
Aug 27, 6:18 PM EDTSevere Thunderstorm WarningILNBrown, Clermont42 min
Aug 27, 6:26 PM EDTSevere Thunderstorm WarningILNBrown, Butler, Clermont, Clinton, Hamilton, Warren34 min
Aug 27, 6:34 PM EDTSpecial Weather StatementILNButler, Preble26 min
Aug 27, 7:01 PM EDTSpecial Weather StatementILNHighland29 min
Aug 27, 7:38 PM EDTSpecial Weather StatementILNMiami37 min
Aug 27, 7:49 PM EDTSpecial Weather StatementILNShelby26 min
Aug 27, 7:54 PM EDTSevere Thunderstorm WarningILNShelby18 min
Aug 27, 7:55 PM EDTSpecial Weather StatementILNDelaware35 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021Every severe thunderstorm warning in 2021

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.