Alert archive / Ohio / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 139, NWS Wilmington, OH

June 14, 2001Warren County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 14, 2001, 2:26 PM EDT for Warren County, Ohio. It was in force for 64 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 14, 2001, 2:26 PM EDT (18:26 UTC)
Expired: Jun 14, 2001, 3:30 PM EDT
In force: 64 min
Issued by: NWS Wilmington, OH
Area: Whole counties

County Warren County, OH

The radar

The Cincinnati radar (KILN), 30 km from the middle of the area, began a volume at 18:28 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, 6.4 hours before the alert went out and 32 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: 480 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1178 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 14, 9:29 AM EDT, 4 hours 57 minutes earlier.

Area forecast discussion, Jun 14, 9:29 AM EDT, 4 hours 57 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
930 AM THU JUN 14 2001

UPPER RIDGE PERSISTS OVER EASTERN CONUS...WITH REMNANTS OF ALLISON
SPINNING OVER THE EASTERN CAROLINAS. WEAK SFC PATTERN CONTINUES
ACROSS THE OHIO VALLEY WITH CONVERGENCE SETTING UP BETWEEN EASTERLY
FLOW NORTH OF TROPICAL REMNANTS AND SOUTHWESTERLY FLOW EAST OF GREAT
PLAINS LOW.

CONVECTIVE CLOUDS ARE FORMING IN THE ZONE OF CONVERGENCE NEAR THE
OHIO-INDIANA BORDER.  RADAR ALREADY SHOWS SHRA IN OWEN COUNTY
KENTUCKY.  OTHER CU HAVE FORMED ALONG OUR WESTERN PERIPHERY.  IN THE
PRESENCE OF AMPLE MOISTURE AND INSTABILITY MORE SCT TSRA SHOULD FORM
TODAY WHERE THE CU HAVE FORMED. THEREFORE...I'LL INCREASE POPS TO
30% IN OUR WESTERN COUNTIES.  20 POP SHOULD BE GOOD IN THE
EAST...WHERE AIRMASS IS SLIGHTLY DRIER.

HIGHS NEAR 90 LOOK GOOD WRT MORNING SOUNDING AND RECENT HIGH TEMPS
IN THIS STALE REGIME...SO NO CHANGES WILL BE &NEEDED TO TEMP FCST.

ONLY OTHER CHANGES WILL BE TO REVISE WORDING.

WILL REISSUE SPS CONCERNING HEAT.

.ILN...NONE.

CONIGLIO

In the hours before

Special weather statement, Jun 14, 10:35 AM EDT, 3 hours 51 minutes before

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Local storm report, Jun 14, 1:59 PM EDT, 27 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
Jun 14, 3:25 PM EDT	Severe Thunderstorm Warning	ILN	Champaign	65 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2001 Every severe thunderstorm warning in 2001

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.