Alert archive / Ohio / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 39, NWS Wilmington, OH

May 10, 2000Champaign County, Clark County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 10, 2000, 1:13 AM EDT for Champaign County, Clark County, Ohio. It was in force for 47 min. 2 reports 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: May 10, 2000, 1:13 AM EDT (05:13 UTC)
Expired: May 10, 2000, 2:00 AM EDT
In force: 47 min
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Champaign County, OH, Clark County, OH

The radar

The Cincinnati radar (KILN), 68 km from the middle of the area, began a volume at 05:17 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
May 10, 1:30 AM EDT	Thunderstorm Wind 50 E	St Paris, OH	Several trees knocked down.
May 10, 1:30 AM EDT	Thunderstorm Wind 50 E	Springfield, 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, 5.2 hours before the alert went out and 66 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: 863 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1570 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KILN 100514
SVRILN
OHC021-023-100600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
113 AM EDT WED MAY 10 2000

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHAMPAIGN COUNTY IN WEST CENTRAL OHIO.
  CLARK COUNTY IN WEST CENTRAL OHIO.

* UNTIL 200 AM EDT

* AT 112 AM EDT... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 34
  MILES SOUTH OF SPRINGFIELD OR 32 MILES SOUTH OF ENON... MOVING
  EAST AT 35 MPH.

THIS STORM IS EXPECTED TO BE NEAR...
DIALTON
THACKERY
CHRISTIANBURG
ST PARIS

THIS STORM HAS A HISTORY OF LARGE HAIL. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

.END/SEW/SCW

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 1:00 AM EDT	Severe Thunderstorm Warning	ILN	Clinton	45 min
May 10, 1:03 AM EDT	Severe Thunderstorm Warning	ILN	Miami	52 min
May 10, 1:18 AM EDT	Severe Thunderstorm Warning	ILN	Greene	47 min
May 10, 1:59 AM EDT	Severe Thunderstorm Warning	ILN	Union

Nearby

Severe Thunderstorm Warnings in Ohio, 2000 Every severe thunderstorm warning in 2000

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.