Alert archive / Kentucky / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 29, NWS Wilmington, OH

April 8, 20156 counties in Kentucky

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 8, 2015, 7:24 PM EDT for 6 counties in Kentucky. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 8, 2015, 7:24 PM EDT (23:24 UTC)
Expired: Apr 8, 2015, 7:42 PM EDT
In force: 18 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Boone County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Owen County, KY, Pendleton County, KY

The radar

The Cincinnati radar (KILN), 103 km from the middle of the area, began a volume at 23:27 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, 11.4 hours before the alert went out and 105 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: 487 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 711 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 8, 7:15 PM EDT, 9 minutes earlier.

Area forecast discussion, Apr 8, 7:15 PM EDT, 9 minutes before

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Hazardous weather outlook, Apr 8, 3:53 PM EDT, 3 hours 31 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
353 PM EDT WED APR 8 2015

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ060>063-070>073-077>082-
088-092000-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-
SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-
PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-PREBLE-MONTGOMERY-GREENE-
FAYETTE OH-BUTLER-WARREN-CLINTON-ROSS-HAMILTON-CLERMONT-BROWN-
HIGHLAND-ADAMS-PIKE-SCIOTO-
353 PM EDT WED APR 8 2015

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL
INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN
KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO
AND SOUTHWEST OHIO.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING.
SOME OF THESE STORMS MAY BE SEVERE WITH DAMAGING WIND GUSTS AND
LARGE HAIL THE PRIMARY THREATS. IN ADDITION...THERE IS THE
POTENTIAL FOR LOCALIZED FLOODING DUE TO HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

WITH SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS EXPECTED
THURSDAY THROUGH FRIDAY MORNING THERE IS THE POTENTIAL FOR SOME
LOCALIZED FLOODING ISSUES. IN ADDITION TO THE FLOODING
THREAT...THERE IS ALSO THE POTENTIAL SEVERE THREAT. DAMAGING WINDS
AND LARGE HAIL ARE THE PRIMARY SEVERE THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

OHZ026-034-035-042>046-051>056-064-065-074-092000-
HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-
CHAMPAIGN-CLARK-MADISON-FRANKLIN OH-LICKING-PICKAWAY-FAIRFIELD-
HOCKING-
353 PM EDT WED APR 8 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL OHIO...MIAMI VALLEY
OF OHIO AND WEST CENTRAL OHIO.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING.
SOME OF THESE STORMS MAY BE SEVERE WITH DAMAGING WIND GUSTS AND
LARGE HAIL THE PRIMARY THREATS. IN ADDITION...THERE IS THE
POTENTIAL FOR LOCALIZED FLOODING DUE TO HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

WITH SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS EXPECTED
THURSDAY THROUGH FRIDAY MORNING THERE IS THE POTENTIAL FOR SOME
LOCALIZED FLOODING ISSUES. IN ADDITION TO THE FLOODING
THREAT...THERE IS ALSO THE POTENTIAL SEVERE THREAT. DAMAGING WINDS
AND LARGE HAIL ARE THE PRIMARY SEVERE THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Apr 8, 6:36 PM EDT, 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
636 PM EDT WED APR 08 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0635 PM     HAIL             WILLIAMSTOWN            38.64N 84.56W
04/08/2015  E0.88 INCH       GRANT              KY   PUBLIC

&&

KCASSADY

Local storm report, Apr 8, 6:42 PM EDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
642 PM EDT WED APR 08 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0640 PM     HAIL             2 SW MAYSVILLE          38.62N 83.77W
04/08/2015  M1.00 INCH       MASON              KY   TRAINED SPOTTER

&&

BC

Local storm report, Apr 8, 6:44 PM EDT, 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
644 PM EDT WED APR 08 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0630 PM     HAIL             WILLIAMSTOWN            38.64N 84.56W
04/08/2015  M1.00 INCH       GRANT              KY   TRAINED SPOTTER

&&

BC

Local storm report, Apr 8, 6:55 PM EDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
655 PM EDT WED APR 08 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0655 PM     HAIL             RIPLEY                  38.74N 83.84W
04/08/2015  E0.88 INCH       BROWN              OH   TRAINED SPOTTER

&&

KCASSADY

Local storm report, Apr 8, 7:17 PM EDT, 7 minutes before

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Local storm report, Apr 8, 7:18 PM EDT, 6 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 9:47 AM EDT	Special Weather Statement	ILN	Miami, Montgomery, Preble	43 min
Apr 8, 9:54 AM EDT	Special Weather Statement	ILN	Auglaize, Darke, Mercer, Shelby	36 min
Apr 8, 10:02 AM EDT	Severe Thunderstorm Warning	ILN	Montgomery, Preble	43 min
Apr 8, 10:11 AM EDT	Special Weather Statement	ILN	Butler, Hamilton	34 min
Apr 8, 10:16 AM EDT	Severe Thunderstorm Warning	ILN	Darke, Miami	44 min
Apr 8, 10:18 AM EDT	Severe Thunderstorm Warning	ILN	Butler, Greene, Warren	42 min
Apr 8, 10:33 AM EDT	Severe Thunderstorm Warning	ILN	Clark, Greene, Miami, Montgomery	42 min
Apr 8, 10:41 AM EDT	Severe Thunderstorm Warning	ILN	Brown, Butler, Clermont, Clinton, Hamilton, Highland and 1 more	34 min
Apr 8, 10:47 AM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Greene, Highland, Warren	43 min
Apr 8, 10:54 AM EDT	Special Weather Statement	ILN	Clermont, Highland	36 min
Apr 8, 10:55 AM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Madison	35 min
Apr 8, 11:09 AM EDT	Severe Thunderstorm Warning	ILN	Clark, Fayette, Greene, Madison	36 min
Apr 8, 11:15 AM EDT	Severe Thunderstorm Warning	ILN	Clermont	45 min
Apr 8, 11:26 AM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Clermont, Clinton, Fayette, Highland and 3 more	49 min
Apr 8, 11:37 AM EDT	Severe Thunderstorm Warning	ILN	Fayette, Franklin, Madison, Pickaway	38 min
Apr 8, 11:49 AM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Clermont	41 min
Apr 8, 12:06 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Hocking, Pickaway, Pike, Ross, Scioto	39 min
Apr 8, 12:08 PM EDT	Special Weather Statement	ILN	Fairfield, Licking	52 min
Apr 8, 12:26 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown	49 min
Apr 8, 3:40 PM EDT	Flash Flood Watch	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	41 hr
Apr 8, 6:33 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown	42 min
Apr 8, 6:46 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont	44 min
Apr 8, 7:07 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown	53 min
Apr 8, 7:40 PM EDT	Special Weather Statement	ILN	Pike	35 min
Apr 8, 11:21 AM EDT	Severe Thunderstorm Warning	ILN	Carroll, Gallatin, Grant, Owen, Pendleton	39 min
Apr 8, 12:43 PM EDT	Severe Thunderstorm Warning	ILN	Robertson	19 min
Apr 8, 1:12 PM EDT	Severe Thunderstorm Warning	ILN	Lewis	26 min
Apr 8, 5:57 PM EDT	Severe Thunderstorm Warning	ILN	Grant, Owen	33 min
Apr 8, 6:12 PM EDT	Areal Flood Advisory	ILN	Grant, Owen	3 hr
Apr 8, 6:16 PM EDT	Severe Thunderstorm Warning	ILN	Bracken, Mason, Robertson	44 min
Apr 8, 6:26 PM EDT	Severe Thunderstorm Warning	ILN	Grant, Owen, Pendleton	49 min
Apr 8, 6:52 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Carroll, Gallatin	38 min
Apr 8, 7:16 PM EDT	Areal Flood Advisory	ILN	Bracken, Grant, Pendleton	3 hr
Apr 8, 9:19 AM EDT	Special Weather Statement	ILN	Fayette, Franklin, Union, Wayne	41 min
Apr 8, 9:34 AM EDT	Severe Thunderstorm Warning	ILN	Fayette, Union, Wayne	41 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2015 Every severe thunderstorm warning in 2015

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.