Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 107, NWS Northern Indiana

June 27, 1998Fulton County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Jun 27, 1998, 4:20 PM EDT for Fulton County, Ohio. It was in force for 45 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: Jun 27, 1998, 4:20 PM EDT (20:20 UTC)
Expired: Jun 27, 1998, 5:05 PM EDT
In force: 45 min
Issued by: NWS Northern Indiana
Area: Whole counties

County Fulton County, OH

The radar

The Northern Indiana radar (KIWX), 134 km from the middle of the area, began a volume at 20:19 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 27, 4:15 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.3 hours before the alert went out and 243 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: 2641 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 893 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 6.6

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 Northern Indiana wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 11:00 AM EDT, 5 hours 20 minutes earlier.

Area forecast discussion, Jun 27, 11:00 AM EDT, 5 hours 20 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1000 AM EST SAT JUN 27 1998

AREA OF TSRA HAS MOVED E OUT OF FA INTO WRN LK ERIE.  SKIES REMAIN
MOSTLY CLOUDY AS REMNANTS OF MCS OVER ERN GREAT LAKES REGION
CONTINUES TO WEAKEN AND MOVE TO SE.  SKIES TO W OF FA ARE MOSTLY
SUNNY SO EXPECT GOOD AFTERNOON HEATING AS SKIES START TO CLEAR.
ATMOS FAIRLY UNSTABLE WITH LI/S OF -10 ACROSS CNTRL IL AND SRN IN.
WILL NOT TAKE MUCH SURFACE HEATING FOR TCU/S AND TSRA TO DEVELOP
AGAIN THIS AFTN.  SOME TSTMS COULD BECOME SEVERE.  FORECASTS COVER
THIS WELL.  EXCEPT NEAR LK MI OBS MATCH FWC TEMPS WELL.

.IWX...NONE.

OHARA

In the hours before

Special weather statement, Jun 27, 12:30 PM EDT, 3 hours 50 minutes before

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The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 26, 8:14 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Huntington, Whitley	46 min
Jun 26, 8:34 PM EDT	Severe Thunderstorm Warning	IWX	Wells	36 min
Jun 27, 5:02 PM EDT	Severe Thunderstorm Warning	IWX	Henry	33 min
Jun 27, 6:42 PM EDT	Severe Thunderstorm Warning	IWX	Allen	33 min
Jun 27, 3:39 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	31 min
Jun 27, 4:25 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.