Alert archive / Kentucky / Special Weather Statements in 2014

Special Weather Statement, NWS Wilmington, OH

August 20, 2014Hamilton County, Ohio; Boone County, Kenton County, Kentucky

NWS Wilmington, OH issued this special weather statement at Aug 20, 2014, 1:29 AM EDT for Hamilton County, Ohio; Boone County, Kenton County, Kentucky. It was in force for 31 min. 3 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: Aug 20, 2014, 1:29 AM EDT (05:29 UTC)
Expired: Aug 20, 2014, 2:00 AM EDT
In force: 31 min
Issued by: NWS Wilmington, OH

Counties Boone County, KY, Kenton County, KY, Hamilton County, OH

The radar

The Cincinnati radar (KILN), 75 km from the middle of the area, began a volume at 05:33 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

Time	Report	Where	Remark
Aug 20, 1:46 AM EDT	TSTM WND DMG	1 S Cleves, OH	TREE DOWN ON WIRES. NEAR CLIFF ROAD AND BROWER ROAD. TIME ESTIMATED FROM RADAR.
Aug 20, 1:46 AM EDT	TSTM WND GST 45	Kcvg Cinc N Ky Apt, KY
Aug 20, 2:10 AM EDT	TSTM WND DMG	1 W Covington, KY	SEVERAL TREES UPROOTED AND MULTIPLE LARGE LIMBS DOWN AT DEVOU PARK. TIME ESTIMATED.

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, 5.5 hours before the alert went out and 78 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: 917 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1411 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

748 
WWUS81 KILN 200529
SPSILN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
129 AM EDT WED AUG 20 2014

INZ074-075-080-KYZ090>093-095-096-OHZ077-078-200600-
SWITZERLAND IN-OHIO IN-DEARBORN IN-KENTON KY-PENDLETON KY-BOONE KY-
CAMPBELL KY-GALLATIN KY-GRANT KY-HAMILTON OH-CLERMONT OH-
129 AM EDT WED AUG 20 2014

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN
CLERMONT...SOUTHERN HAMILTON...NORTHERN GRANT...NORTHEASTERN
GALLATIN...CAMPBELL...BOONE...NORTHWESTERN PENDLETON...KENTON...
SOUTHERN DEARBORN...OHIO AND EXTREME EASTERN SWITZERLAND COUNTIES
THROUGH 200 AM EDT...

AT 128 AM EDT...RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM WHITE OAK TO ADDYSTON TO FRENCH TO WATERLOO TO RYLE...
MOVING EAST AT 25 MPH.

STORM HAZARDS INCLUDE...
WINDS TO 50 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...
VERY HEAVY RAIN...

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CHEVIOT...CRITTENDEN...
WALTON...DELHI TOWNSHIP...UNION...BURLINGTON...READING...UNIVERSITY
OF CINCINNATI...FLORENCE...NORWOOD...RIVERBEND AND CONEY ISLAND...
TAYLOR MILL...NEWPORT...INDEPENDENCE AND HIGHLAND HEIGHTS.

ALSO...BIG BONE LICK...MUNK...BELLEVIEW...IDLEWILD...FRANCISVILLE...
MONFORT HEIGHTS...BRIDGETOWN...NORTH COLLEGE HILL...WATERLOO AND
VERONA ARE NEAR THE PATH OF THIS LINE OF STRONG THUNDERSTORMS.

DO NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. WATER WILL POND
ON ROADS AND MAY QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT. IF THESE STORMS BECOME
STRONGER...THEN A WARNING MAY BE NEEDED.

LAT...LON 3921 8416 3910 8433 3903 8440 3892 8442
      3874 8429 3875 8476 3893 8490 3904 8501
      3912 8483 3924 8463

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 8:00 PM EDT	Special Weather Statement	ILN	Auglaize	45 min
Aug 19, 8:10 PM EDT	Special Weather Statement	ILN	Darke	35 min
Aug 19, 8:15 PM EDT	Special Weather Statement	ILN	Delaware	30 min
Aug 19, 8:42 PM EDT	Special Weather Statement	ILN	Auglaize	33 min
Aug 19, 9:13 PM EDT	Special Weather Statement	ILN	Hardin	32 min
Aug 19, 9:16 PM EDT	Special Weather Statement	ILN	Delaware	29 min
Aug 20, 12:56 AM EDT	Special Weather Statement	ILN	Butler, Hamilton	34 min
Aug 20, 1:14 AM EDT	Severe Thunderstorm Warning	ILN	Butler, Hamilton, Warren	46 min
Aug 20, 1:41 AM EDT	Severe Thunderstorm Warning	ILN	Hamilton	21 min
Aug 20, 1:49 AM EDT	Special Weather Statement	ILN	Clinton, Warren	26 min
Aug 20, 2:12 AM EDT	Special Weather Statement	ILN	Hardin, Logan, Shelby	48 min
Aug 20, 2:30 AM EDT	Special Weather Statement	ILN	Brown, Highland	30 min
Aug 20, 2:38 AM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Highland	37 min
Aug 20, 3:00 AM EDT	Special Weather Statement	ILN	Union	30 min
Aug 20, 3:15 AM EDT	Special Weather Statement	ILN	Pike, Ross, Scioto	30 min
Aug 20, 3:36 AM EDT	Special Weather Statement	ILN	Delaware	24 min
Aug 20, 3:39 AM EDT	Special Weather Statement	ILN	Pike, Ross, Scioto	36 min
Aug 20, 4:57 PM EDT	Special Weather Statement	ILN	Clermont	33 min
Aug 20, 12:43 AM EDT	Special Weather Statement	ILN	Gallatin, Grant, Owen	32 min
Aug 20, 1:18 AM EDT	Special Weather Statement	ILN	Grant	27 min
Aug 20, 2:04 AM EDT	Special Weather Statement	ILN	Gallatin	26 min
Aug 20, 2:44 AM EDT	Areal Flood Advisory	ILN	Carroll, Gallatin, Grant, Owen	2 hr
Aug 20, 3:34 AM EDT	Special Weather Statement	ILN	Lewis	41 min
Aug 20, 3:50 PM EDT	Special Weather Statement	ILN	Carroll	25 min
Aug 20, 4:05 PM EDT	Special Weather Statement	ILN	Boone	25 min
Aug 20, 4:10 PM EDT	Special Weather Statement	ILN	Grant	20 min
Aug 20, 4:15 PM EDT	Special Weather Statement	ILN	Owen	30 min
Aug 20, 4:28 PM EDT	Special Weather Statement	ILN	Boone, Campbell, Kenton	47 min
Aug 20, 4:39 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Kenton	21 min
Aug 20, 5:05 PM EDT	Special Weather Statement	ILN	Bracken, Pendleton, Robertson	40 min
Aug 20, 5:37 PM EDT	Special Weather Statement	ILN	Mason	23 min
Aug 19, 11:54 PM EDT	Special Weather Statement	ILN	Fayette, Union	36 min
Aug 20, 12:07 AM EDT	Severe Thunderstorm Warning	ILN	Fayette, Franklin, Union, Wayne	53 min
Aug 20, 12:31 AM EDT	Special Weather Statement	ILN	Dearborn, Franklin, Ripley	29 min
Aug 20, 3:28 PM EDT	Special Weather Statement	ILN	Dearborn, Franklin, Ripley	47 min

Nearby

Special Weather Statements in Kentucky, 2014 Special Weather Statements in Ohio, 2014 Every special weather statement in 2014

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.