Alert archive / Ohio / Tornado Warnings in 2004

Tornado Warning 1, NWS Wilmington, OH

May 21, 2004Licking County, Ohio

NWS Wilmington, OH issued this tornado warning at May 21, 2004, 5:11 PM EDT for Licking County, Ohio. It was in force for 34 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 21, 2004, 5:11 PM EDT (21:11 UTC)
Expired: May 21, 2004, 5:45 PM EDT
In force: 34 min
Issued by: NWS Wilmington, OH
Area: Counties, with a storm outline in the text

County Licking County, OH

The radar

The Cincinnati radar (KILN), 147 km from the middle of the area, began a volume at 21:10 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 21, 4:25 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.2 hours before the alert went out and 145 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: 2750 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KILN 212111
TORILN
OHC089-212145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
511 PM EDT FRI MAY 21 2004

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  LICKING COUNTY IN OHIO

* UNTIL 545 PM EDT

* AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NEWARK...OR
  ABOUT OVER NEWARK...MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...   
  GRANVILLE...
  HANOVER...
  HEATH...
  HEBRON...
  NEWARK...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR OHIO.

LAT...LON 4011 8258 3995 8249 4008 8199 4028 8210

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 3:37 PM EDT	Severe Thunderstorm Warning	ILN	Hardin	38 min
May 21, 3:40 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize	50 min
May 21, 3:59 PM EDT	Severe Thunderstorm Warning	ILN	Darke	46 min
May 21, 4:04 PM EDT	Severe Thunderstorm Warning	ILN	Logan	41 min
May 21, 4:09 PM EDT	Severe Thunderstorm Warning	ILN	Shelby	51 min
May 21, 4:20 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Union	55 min
May 21, 4:43 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Logan	62 min
May 21, 5:00 PM EDT	Severe Thunderstorm Warning	ILN	Licking	60 min
May 21, 5:05 PM EDT	Severe Thunderstorm Warning	ILN	Franklin	55 min
May 21, 5:10 PM EDT	Severe Thunderstorm Warning	ILN	Madison	50 min
May 21, 5:36 PM EDT	Severe Thunderstorm Warning	ILN	Darke	39 min
May 21, 5:52 PM EDT	Flash Flood Warning	ILN	Shelby	83 min
May 21, 6:21 PM EDT	Severe Thunderstorm Warning	ILN	Pickaway	39 min
May 21, 6:34 PM EDT	Severe Thunderstorm Warning	ILN	Clark	41 min
May 21, 6:44 PM EDT	Flash Flood Warning	ILN	Franklin	2 hr
May 21, 7:49 PM EDT	Severe Thunderstorm Warning	ILN	Fayette	41 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.