Alert archive / Ohio / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 160, NWS Wilmington, OH

July 17, 20154 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 17, 2015, 12:34 PM EDT for 4 counties in Ohio. It was in force for 26 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: Jul 17, 2015, 12:34 PM EDT (16:34 UTC)
Expired: Jul 17, 2015, 1:00 PM EDT
In force: 26 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Champaign County, OH, Logan County, OH, Madison County, OH, Union County, OH

The radar

The Cincinnati radar (KILN), 87 km from the middle of the area, began a volume at 16:37 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, 4.6 hours before the alert went out and 86 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: 67 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 1042 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 17, 11:16 AM EDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 17, 11:16 AM EDT, 1 hour 18 minutes before

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Hazardous weather outlook, Jul 17, 5:15 AM EDT, 7 hours 19 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
515 AM EDT FRI JUL 17 2015

INZ050-058-059-OHZ026-034-035-042>046-051>056-060>065-180915-
WAYNE-FAYETTE-UNION-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-
DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-FRANKLIN-LICKING-PREBLE-
MONTGOMERY-GREENE-PICKAWAY-FAIRFIELD-
515 AM EDT FRI JUL 17 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INDIANA...CENTRAL OHIO AND
WEST CENTRAL OHIO.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A COMBINATION OF HIGH TEMPERATURES IN THE LOWER 90S AND HIGH
HUMIDITY WILL PUSH HEAT INDEX VALUES TO AROUND 100 DEGREES
SATURDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

INZ066-073>075-080-KYZ089>100-OHZ070>074-078>082-088-180915-
FRANKLIN-RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE-
KENTON-CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-
BUTLER-WARREN-CLINTON-ROSS-HOCKING-CLERMONT-BROWN-HIGHLAND-ADAMS-
PIKE-SCIOTO-
515 AM EDT FRI JUL 17 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INDIANA...NORTHEAST
KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO AND SOUTHWEST OHIO.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A COMBINATION OF HIGH TEMPERATURES IN THE LOWER 90S AND HIGH
HUMIDITY WILL PUSH HEAT INDEX VALUES TO AROUND 100 DEGREES
SATURDAY AND SUNDAY AFTERNOONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

OHZ077-180915-
HAMILTON-
515 AM EDT FRI JUL 17 2015

...EXCESSIVE HEAT WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST OHIO.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

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

   EXCESSIVE HEAT WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 17, 10:49 AM EDT, 1 hour 45 minutes before

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Special weather statement, Jul 17, 11:41 AM EDT, 53 minutes before

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Local storm report, Jul 17, 11:59 AM EDT, 35 minutes before

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Local storm report, Jul 17, 12:04 PM EDT, 30 minutes before

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Special weather statement, Jul 17, 12:16 PM EDT, 18 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
Jul 17, 4:15 AM EDT	Excessive Heat Watch	ILN	Hamilton	12 hr
Jul 17, 10:23 AM EDT	Areal Flood Advisory	ILN	Hardin	7 hr
Jul 17, 11:41 AM EDT	Special Weather Statement	ILN	Miami	34 min
Jul 17, 12:16 PM EDT	Special Weather Statement	ILN	Champaign	44 min
Jul 17, 12:55 PM EDT	Special Weather Statement	ILN	Franklin	50 min
Jul 17, 1:24 PM EDT	Severe Thunderstorm Warning	ILN	Franklin	36 min
Jul 17, 1:37 PM EDT	Special Weather Statement	ILN	Licking	53 min
Jul 17, 2:26 PM EDT	Special Weather Statement	ILN	Miami	34 min
Jul 17, 3:30 PM EDT	Special Weather Statement	ILN	Darke	30 min
Jul 17, 3:45 PM EDT	Areal Flood Advisory	ILN	Darke	3 hr
Jul 17, 3:45 PM EDT	Severe Thunderstorm Warning	ILN	Darke, Preble	45 min
Jul 17, 3:53 PM EDT	Excessive Heat Warning	ILN	Hamilton	36 hr
Jul 17, 3:53 PM EDT	Heat Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 25 more	36 hr
Jul 17, 4:01 PM EDT	Flash Flood Warning	ILN	Darke	4 hr
Jul 17, 4:11 PM EDT	Areal Flood Advisory	ILN	Champaign, Logan	3 hr
Jul 17, 4:56 PM EDT	Severe Thunderstorm Warning	ILN	Preble	30 min
Jul 17, 7:05 PM EDT	Special Weather Statement	ILN	Boone	25 min
Jul 17, 7:27 PM EDT	Special Weather Statement	ILN	Boone	33 min
Jul 17, 7:32 PM EDT	Areal Flood Advisory	ILN	Boone	3 hr
Jul 17, 7:38 PM EDT	Special Weather Statement	ILN	Kenton	22 min
Jul 17, 7:48 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Campbell, Kenton	30 min
Jul 17, 3:39 PM EDT	Special Weather Statement	ILN	Wayne	36 min
Jul 17, 4:05 PM EDT	Special Weather Statement	ILN	Wayne	25 min
Jul 17, 4:13 PM EDT	Severe Thunderstorm Warning	ILN	Wayne	47 min
Jul 17, 4:21 PM EDT	Areal Flood Advisory	ILN	Wayne	4 hr
Jul 17, 4:41 PM EDT	Flash Flood Warning	ILN	Wayne	3 hr
Jul 17, 6:05 PM EDT	Special Weather Statement	ILN	Decatur	25 min
Jul 17, 6:15 PM EDT	Severe Thunderstorm Warning	ILN	Franklin, Ripley	45 min
Jul 17, 6:38 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Ohio, Ripley, Switzerland	35 min
Jul 17, 6:41 PM EDT	Areal Flood Advisory	ILN	Ripley	3 hr
Jul 17, 7:16 PM EDT	Flash Flood Warning	ILN	Ripley	119 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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.