Alert archive / Ohio / Tornado Warnings in 2004

Tornado Warning 9, NWS Wilmington, OH

May 30, 2004Logan County, Ohio

NWS Wilmington, OH issued this tornado warning at May 30, 2004, 8:12 PM EDT for Logan County, Ohio. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 30, 2004, 8:12 PM EDT (00:12 UTC)
Expired: May 30, 2004, 8:45 PM EDT
In force: 33 min
Issued by: NWS Wilmington, OH
Area: Counties, with a storm outline in the text

County Logan County, OH

The radar

The Cincinnati radar (KILN), 119 km from the middle of the area, began a volume at 00:12 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
May 30, 4:55 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.2 hours before the alert went out and 118 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: 778 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 316 m²/s²
0-3 km storm-relative helicity: 399 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 9.6

Open this sounding in Storm Lab

The text

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

347 
WFUS51 KILN 310012
TORILN
OHC091-310045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
812 PM EDT SUN MAY 30 2004

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  LOGAN COUNTY IN OHIO

* UNTIL 845 PM EDT

* AT 802 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAKEVIEW...
  OR ABOUT 12 MILES NORTHWEST OF BELLEFONTAINE...MOVING EAST AT 30
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  RUSSELLS POINT...
  BELLE CENTER...

A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT SUNDAY 
EVENING FOR OHIO.

LAT...LON 4052 8397 4052 8374 4051 8373 4051 8357
      4050 8352 4047 8352 4040 8392 4043 8392
      4052 8397

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 10:49 PM EDT	Tornado Warning	ILN	Darke, Mercer	41 min
May 30, 11:13 PM EDT	Severe Thunderstorm Warning	ILN	Montgomery, Preble	62 min
May 30, 11:30 PM EDT	Tornado Warning	ILN	Miami, Shelby	45 min
May 30, 11:40 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Hamilton	65 min
May 31, 12:03 AM EDT	Tornado Warning	ILN	Champaign, Clark, Logan	42 min
May 31, 12:16 AM EDT	Severe Thunderstorm Warning	ILN	Montgomery	44 min
May 31, 12:38 AM EDT	Severe Thunderstorm Warning	ILN	Clermont, Warren	37 min
May 31, 12:38 AM EDT	Severe Thunderstorm Warning	ILN	Greene	52 min
May 31, 12:44 AM EDT	Severe Thunderstorm Warning	ILN	Clark	46 min
May 31, 12:52 AM EDT	Severe Thunderstorm Warning	ILN	Brown	38 min
May 31, 1:07 AM EDT	Severe Thunderstorm Warning	ILN	Madison	38 min
May 31, 1:09 AM EDT	Tornado Warning	ILN	Adams, Brown	36 min
May 31, 1:13 AM EDT	Severe Thunderstorm Warning	ILN	Highland	47 min
May 31, 1:36 AM EDT	Severe Thunderstorm Warning	ILN	Pike, Ross	39 min
May 31, 1:40 AM EDT	Severe Thunderstorm Warning	ILN	Scioto	50 min

Nearby

Tornado Warnings in Ohio, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.