Alert archive / Ohio / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 117, NWS Wilmington, OH

May 18, 2006Shelby County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 18, 2006, 5:07 PM EDT for Shelby 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 counties it named.

The facts

Issued: May 18, 2006, 5:07 PM EDT (21:07 UTC)
Expired: May 18, 2006, 5:45 PM EDT
In force: 38 min
Issued by: NWS Wilmington, OH
Area: Counties, with a storm outline in the text

County Shelby County, OH

The radar

The Cincinnati radar (KILN), 107 km from the middle of the area, began a volume at 21:08 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, 9.1 hours before the alert went out and 106 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 760 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -49 m²/s²
0-3 km storm-relative helicity: 3 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 May 18, 3:37 PM EDT, 1 hour 30 minutes earlier.

Area forecast discussion, May 18, 3:37 PM EDT, 1 hour 30 minutes before

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Hazardous weather outlook, May 18, 2:55 PM EDT, 2 hours 12 minutes before

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In the hours before

Local storm report, May 18, 11:47 AM EDT, 5 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1147 AM EDT THU MAY 18 2006

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

1143 AM     HAIL             ENGLEWOOD               39.86N 84.31W
05/18/2006  E0.88 INCH       MONTGOMERY         OH   TRAINED SPOTTER

&&

Local storm report, May 18, 12:06 PM EDT, 5 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1206 PM EDT THU MAY 18 2006

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

1200 PM     HAIL             TROTWOOD                39.80N 84.30W
05/18/2006  M0.75 INCH       MONTGOMERY         OH   NWS EMPLOYEE

&&

Local storm report, May 18, 2:21 PM EDT, 2 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
221 PM EDT THU MAY 18 2006

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

0208 PM     HAIL             NAPOLEON                39.21N 85.33W
05/18/2006  E1.75 INCH       RIPLEY             IN   TRAINED SPOTTER

&&

JC

Local storm report, May 18, 2:27 PM EDT, 2 hours 40 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED TIME
NATIONAL WEATHER SERVICE WILMINGTON OH
227 PM EDT THU MAY 18 2006

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

0211 PM     HAIL             NAPOLEON                39.21N 85.33W
05/18/2006  E1.75 INCH       RIPLEY             IN   TRAINED SPOTTER

&&

JC

Local storm report, May 18, 4:00 PM EDT, 1 hour 7 minutes before

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Special weather statement, May 18, 4:15 PM EDT, 52 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
May 17, 8:01 PM EDT	Severe Thunderstorm Warning	ILN	Madison, Union	44 min
May 18, 11:43 AM EDT	Severe Thunderstorm Warning	ILN	Montgomery	32 min
May 18, 1:00 PM EDT	Severe Thunderstorm Warning	ILN	Warren	30 min
May 17, 10:16 PM EDT	Severe Thunderstorm Warning	ILN	Gallatin	23 min
May 17, 10:33 PM EDT	Severe Thunderstorm Warning	ILN	Grant	26 min
May 18, 2:46 PM EDT	Severe Thunderstorm Warning	ILN	Boone	44 min
May 18, 2:08 PM EDT	Severe Thunderstorm Warning	ILN	Ripley	32 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2006 Every severe thunderstorm warning in 2006

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.