Alert archive / Ohio / Tornado Warnings in 1999

Tornado Warning 9, NWS Cleveland, OH

July 9, 1999Huron County, Ohio

NWS Cleveland, OH issued this tornado warning at Jul 9, 1999, 5:49 PM EDT for Huron County, Ohio. It was in force for 66 min. 1 report 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: Jul 9, 1999, 5:49 PM EDT (21:49 UTC)
Expired: Jul 9, 1999, 6:55 PM EDT
In force: 66 min
Issued by: NWS Cleveland, OH
Area: Whole counties

County Huron County, OH

The radar

The Cleveland radar (KCLE), 68 km from the middle of the area, began a volume at 21:53 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
Jul 9, 6:00 PM EDT	Tornado F1	New London, OH	A tornado briefly touched down near New London. Around 200 trees were blown down. The roof of a barn on State Route 60 was blown off and two other barns just east of town were completely destroyed. Two businesses in New London also suffered roof damage.

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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 9, 5:15 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.8 hours before the alert went out and 188 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1071 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 340 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 092149 RRA
TORCLE
OHC077-092255-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
549 PM EDT FRI JUL 9 1999

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  HURON COUNTY IN NORTH CENTRAL OHIO

* UNTIL 655 PM EDT

* AT 548 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 12 MILES SOUTH OF NORWALK OR 4 MILES SOUTHWEST OF NORTH
  FAIRFIELD... MOVING EAST AT 40 MPH.

* THE TORNADO WILL MOVE NEAR...
  NORTH FAIRFIELD
  DELPHI
  GREENWICH
  NEW LONDON
  FITCHVILLE

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.
$$
ACR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 4:31 PM EDT	Severe Thunderstorm Warning	CLE	Wood	64 min
Jul 9, 4:46 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky, Seneca	64 min
Jul 9, 4:49 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	66 min
Jul 9, 5:23 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	67 min
Jul 9, 5:27 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Wyandot	63 min
Jul 9, 5:40 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	65 min
Jul 9, 5:42 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lake	63 min
Jul 9, 5:57 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga	63 min
Jul 9, 6:00 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Medina	65 min
Jul 9, 6:00 PM EDT	Severe Thunderstorm Warning	CLE	Richland	65 min
Jul 9, 6:04 PM EDT	Tornado Warning	CLE	Lorain, Medina	66 min
Jul 9, 6:21 PM EDT	Severe Thunderstorm Warning	CLE	Wayne	64 min
Jul 9, 6:23 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Summit	62 min
Jul 9, 6:23 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	62 min
Jul 9, 6:32 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	63 min
Jul 9, 6:34 PM EDT	Tornado Warning	CLE	Summit	66 min
Jul 9, 6:47 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Stark	63 min
Jul 9, 6:49 PM EDT	Tornado Warning	CLE	Portage	66 min
Jul 9, 7:17 PM EDT	Tornado Warning	CLE	Mahoning	63 min

Nearby

Tornado Warnings in Ohio, 1999 Every tornado warning in 1999 Tornadoes in 1999

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.