Alert archive / Ohio / Tornado Warnings in 1999

Tornado Warning 2, NWS Cleveland, OH

July 1, 1999Medina County, Ohio

NWS Cleveland, OH issued this tornado warning at Jul 1, 1999, 4:18 PM EDT for Medina County, Ohio. It was in force for 47 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 1, 1999, 4:18 PM EDT (20:18 UTC)
Expired
Jul 1, 1999, 5:05 PM EDT
In force
47 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Medina County, OH

What was reported inside it

TimeReportWhereRemark
Jul 1, 4:50 PM EDTThunderstorm WindGranger, OHSeveral trees fell on power lines knocking power out to over 5,000 people.

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.

IssuedProductOfficeLasted
Jul 1, 1:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.3 hours before the alert went out and 171 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 1999-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 521 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1999-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
521 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
643 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
100 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 012023 RRA
TORCLE
OHC103-012105-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
418 PM EDT THU JUL 1 1999

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  MEDINA COUNTY IN NORTHEASTERN OHIO

* UNTIL 505 PM EDT

* AT 422 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 15 MILES NORTHEAST OF ASHLAND OR 7 MILES SOUTHWEST OF
  CHATHAM... MOVING EAST AT 35 MPH.

* "THE TORNADO WILL MOVE NEAR...
  CHATHAM
  LAFAYETTE
  MEDINA


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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 1:33 PM EDTSevere Thunderstorm WarningCLESandusky, Seneca47 min
Jul 1, 1:52 PM EDTSevere Thunderstorm WarningCLEHancock, Wyandot48 min
Jul 1, 2:37 PM EDTSevere Thunderstorm WarningCLECrawford, Seneca, Wyandot63 min
Jul 1, 4:04 PM EDTSevere Thunderstorm WarningCLELorain, Medina51 min
Jul 1, 4:11 PM EDTSevere Thunderstorm WarningCLEAshland34 min
Jul 1, 4:52 PM EDTTornado WarningCLEMedina48 min
Jul 1, 5:02 PM EDTTornado WarningCLESummit63 min

Nearby

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