Alert archive / Ohio / Wind Advisories in 2011

Wind Advisory 4, NWS Wilmington, OH

April 27, 201132 counties in Ohio; 6 counties in Indiana

NWS Wilmington, OH issued this wind advisory at Apr 27, 2011, 9:59 PM EDT for 32 counties in Ohio; 6 counties in Indiana. It took effect at Apr 28, 2011, 1:00 AM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2011, 9:59 PM EDT (01:59 UTC)
In effect from
Apr 28, 2011, 1:00 AM EDT
Expired
Apr 28, 2011, 5:11 AM EDT
In force
4 hr
Issued by
NWS Wilmington, OH
All 38 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ripley County, IN, Union County, IN, Wayne County, IN, Adams County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 31 km from the middle of the area, began a volume at 02:00 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, 2.0 hours before the alert went out and 31 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 2011-04-28Temperature 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 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939587897117Sfc1 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
775 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
521 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

151 
WWUS71 KILN 280159
NPWILN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
959 PM EDT WED APR 27 2011

INZ050-058-059-066-073-074-OHZ026-034-035-042>046-051>056-060>065-
070>074-077>082-088-281000-
/O.NEW.KILN.WI.Y.0004.110428T0500Z-110428T1100Z/
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-HARDIN-
MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-
CHAMPAIGN-CLARK-MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-
GREENE-FAYETTE OH-PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-
HOCKING-HAMILTON-CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO-
INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY...
BROOKVILLE...VERSAILLES...LAWRENCEBURG...KENTON...CELINA...
WAPAKONETA...GREENVILLE...SIDNEY...BELLEFONTAINE...MARYSVILLE...
DELAWARE...PIQUA...URBANA...SPRINGFIELD...LONDON...COLUMBUS...
NEWARK...EATON...DAYTON...XENIA...WASHINGTON COURT HOUSE...
CIRCLEVILLE...LANCASTER...HAMILTON...LEBANON...WILMINGTON...
CHILLICOTHE...LOGAN...CINCINNATI...MILFORD...GEORGETOWN...
HILLSBORO...WEST UNION...PIKETON...PORTSMOUTH
959 PM EDT WED APR 27 2011

...WIND ADVISORY IN EFFECT FROM 1 AM TO 7 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 7 AM EDT THURSDAY. 

THE PRESSURE GRADIENT WILL INCREASE AS DEEP LOW PRESSURE TRACKS
FROM THE OHIO VALLEY INTO THE GREAT LAKES OVERNIGHT. THIS WILL
RESULT IN A PERIOD OF STRONG WINDS LATE TONIGHT. WEST WINDS WILL
INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. AS THE LOW DEPARTS
THE REGION THESE WINDS WILL BEGIN TO DIMINISH TOWARD SUNRISE
THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$
1 follow-up statement
271 
WWUS71 KILN 280911
NPWILN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
511 AM EDT THU APR 28 2011


INZ050-058-059-066-073-074-OHZ026-034-035-042>046-051>056-060>065-
070>074-077>082-088-281015-
/O.CAN.KILN.WI.Y.0004.000000T0000Z-110428T1100Z/
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-HARDIN-
MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-
CHAMPAIGN-CLARK-MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-
GREENE-FAYETTE OH-PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-
HOCKING-HAMILTON-CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO-
INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY...
BROOKVILLE...VERSAILLES...LAWRENCEBURG...KENTON...CELINA...
WAPAKONETA...GREENVILLE...SIDNEY...BELLEFONTAINE...MARYSVILLE...
DELAWARE...PIQUA...URBANA...SPRINGFIELD...LONDON...COLUMBUS...
NEWARK...EATON...DAYTON...XENIA...WASHINGTON COURT HOUSE...
CIRCLEVILLE...LANCASTER...HAMILTON...LEBANON...WILMINGTON...
CHILLICOTHE...LOGAN...CINCINNATI...MILFORD...GEORGETOWN...
HILLSBORO...WEST UNION...PIKETON...PORTSMOUTH
511 AM EDT THU APR 28 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS CANCELLED THE WIND
ADVISORY. 

WINDS ACROSS THE AREA HAVE DECREASED TO BELOW ADVISORY CRITERIA...
AND SHOULD CONTINUE TO DECREASE THROUGHOUT THE DAY.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 9:00 PM EDTSpecial Weather StatementILNAdams, Pike60 min
Apr 27, 9:58 PM EDTSpecial Weather StatementILNScioto62 min
Apr 27, 10:36 PM EDTFlash Flood WarningILNAdams, Scioto3 hr
Apr 27, 11:00 PM EDTSpecial Weather StatementILNDarke, Mercer60 min
Apr 27, 11:15 PM EDTSevere Thunderstorm WarningILNDarke, Mercer60 min
Apr 27, 11:31 PM EDTTornado WarningILNMercer29 min
Apr 27, 11:58 PM EDTTornado WarningILNAuglaize, Mercer29 min
Apr 28, 2:10 AM EDTSevere Thunderstorm WarningILNChampaign, Clark, Clinton, Fayette, Greene, Madison and 3 more50 min
Apr 28, 2:51 AM EDTSevere Thunderstorm WarningILNDelaware, Fairfield, Fayette, Franklin, Hardin, Hocking and 6 more54 min
Apr 28, 5:50 PM EDTSpecial Weather StatementILNButler, Champaign, Darke, Hamilton, Logan, Miami and 3 more55 min
Apr 28, 5:55 PM EDTSpecial Weather StatementILNBrown, Clermont, Clinton, Fayette, Greene, Highland and 1 more65 min
Apr 28, 6:58 PM EDTSpecial Weather StatementILNAdams, Brown, Clermont, Clinton, Fayette, Greene and 6 more2 hr
Apr 28, 7:26 PM EDTSpecial Weather StatementILNChampaign, Clark, Delaware, Fairfield, Franklin, Hardin and 4 more64 min
Apr 28, 1:55 PM EDTRiver Flood AdvisoryILNSwitzerland44 hr

Nearby

Wind Advisories in Ohio, 2011Wind Advisories in Indiana, 2011Every wind advisory in 2011

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.