Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 129, NWS Wilmington, OH

June 10, 1998Brown County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 10, 1998, 4:20 AM EDT for Brown County, Ohio. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 10, 1998, 4:20 AM EDT (08:20 UTC)
Expired: Jun 10, 1998, 4:50 AM EDT
In force: 30 min
Issued by: NWS Wilmington, OH
Area: Whole counties

County Brown County, OH

The radar

The Cincinnati radar (KILN), 54 km from the middle of the area, began a volume at 08:23 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
Jun 10, 4:30 AM EDT	Thunderstorm Wind 50	Hamersville, OH	Trees downed.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.3 hours before the alert went out and 55 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: 612 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 458 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 339 m²/s²
0-3 km storm-relative helicity: 396 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jun 10, 2:45 AM EDT, 1 hour 35 minutes earlier.

Area forecast discussion, Jun 10, 2:45 AM EDT, 1 hour 35 minutes before

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In the hours before

Local storm report, Jun 10, 12:40 AM EDT, 3 hours 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1240 AM EDT WED JUN 10 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1154 PM                              OH   WIND DAMAGE
06/09/98   HAMILTON                       70 - 80 MPH WINDS IN
                                          WESTERN HILLS

1215 AM    ALEXANDRIA                KY   1 INCH HAIL
06/10/98   CAMPBELL

Local storm report, Jun 10, 3:29 AM EDT, 51 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 11:50 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	35 min
Jun 10, 12:43 AM EDT	Severe Thunderstorm Warning	ILN	Clermont	32 min
Jun 10, 12:52 AM EDT	Tornado Warning	ILN	Clermont	48 min
Jun 10, 1:05 AM EDT	Severe Thunderstorm Warning	ILN	Pike	35 min
Jun 10, 1:18 AM EDT	Severe Thunderstorm Warning	ILN	Brown	47 min
Jun 10, 2:06 AM EDT	Flash Flood Warning	ILN	Brown	3 hr
Jun 10, 2:50 AM EDT	Severe Thunderstorm Warning	ILN	Butler	30 min
Jun 10, 3:01 AM EDT	Severe Thunderstorm Warning	ILN	Adams	49 min
Jun 10, 3:44 AM EDT	Severe Thunderstorm Warning	ILN	Clermont	26 min
Jun 10, 4:26 AM EDT	Severe Thunderstorm Warning	ILN	Adams	64 min
Jun 9, 11:57 PM EDT	Severe Thunderstorm Warning	ILN	Campbell, Kenton	48 min
Jun 10, 1:41 AM EDT	Severe Thunderstorm Warning	ILN	Mason	39 min
Jun 10, 1:54 AM EDT	Severe Thunderstorm Warning	ILN	Lewis	46 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1998 Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.