Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 248, NWS Cleveland, OH

November 10, 2002Marion County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Nov 10, 2002, 4:46 PM EST for Marion County, Ohio. It was in force for 59 min. 4 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
Nov 10, 2002, 4:46 PM EST (21:46 UTC)
Expired
Nov 10, 2002, 5:45 PM EST
In force
59 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Marion County, OH

The radar

The Cincinnati radar (KILN), 141 km from the middle of the area, began a volume at 21:48 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

TimeReportWhereRemark
Nov 10, 5:10 PM ESTTornado F0Marion, OHA small tornado touched down in rural Marion County about five miles north of Marion near the intersection of State Route 4 and U.S. Highway 23. The tornado was on the ground for only a couple hundred feet and caused no damage other than downing several trees
Nov 10, 5:15 PM ESTHail 2.5Morral, OHTennis to golf ball size hail was observed in Salt Rock Township south of Morral. The hail caused an estimated $25,000 in damage to a school building that had over thirty windows broken. Many vehicles in the area were also damaged.
Nov 10, 5:17 PM ESTHail 1Marion, OHQuarter size hail was observed north of Marion.
Nov 10, 5:30 PM ESTThunderstorm WindCountywide, OHThunderstorm winds downed many trees in the western half of the county. At least two homes in Marion were damaged by fallen trees.

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
Nov 10, 1:40 PM ESTSevere Thunderstorm WatchSPC5 hr
Nov 10, 4:35 PM ESTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.8 hours before the alert went out and 140 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, Cncnati-Daytn, OH at 12:00Z on 2002-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 2002-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
335 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 
WUUS51 KCLE 102146
SVRCLE
OHC101-102245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
446 PM EST SUN NOV 10 2002

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARION COUNTY IN NORTH CENTRAL OHIO...

* UNTIL 545 PM EST

* AT 446 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF LA RUE...OR ABOUT 16
  MILES SOUTH OF KENTON...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  LA RUE
  MARION
  MORRAL

LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL ARE LIKELY WITH THIS
STORM. TAKE COVER IN A STURDY BUILDING UNTIL THE STORM HAS PASSED.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS.

DAMAGING WINDS IN EXCESS OF 58 MPH ARE EXPECTED FROM THIS STORM. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN CLEVELAND.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 10, 4:32 PM ESTSevere Thunderstorm WarningCLEHancock58 min
Nov 10, 4:38 PM ESTTornado WarningCLELucas, Wood67 min
Nov 10, 4:49 PM ESTSevere Thunderstorm WarningCLEMorrow56 min
Nov 10, 5:02 PM ESTTornado WarningCLESeneca28 min
Nov 10, 5:05 PM ESTTornado WarningCLESandusky55 min
Nov 10, 5:08 PM ESTTornado WarningCLEMarion67 min
Nov 10, 5:12 PM ESTTornado WarningCLERichland63 min
Nov 10, 5:18 PM ESTTornado WarningCLEAshland, Holmes42 min
Nov 10, 5:23 PM ESTTornado WarningCLEOttawa37 min
Nov 10, 5:30 PM ESTTornado WarningCLECrawford, Morrow45 min
Nov 10, 5:35 PM ESTSpecial Marine WarningCLE2 hr
Nov 10, 5:35 PM ESTSpecial Marine WarningCLE2 hr
Nov 10, 5:35 PM ESTSpecial Marine WarningCLE2 hr
Nov 10, 5:35 PM ESTTornado WarningCLEErie, Huron, Seneca55 min
Nov 10, 5:54 PM ESTTornado WarningCLEMedina66 min
Nov 10, 6:00 PM ESTTornado WarningCLEAshland60 min
Nov 10, 6:03 PM ESTTornado WarningCLEHolmes, Wayne57 min
Nov 10, 6:13 PM ESTSevere Thunderstorm WarningCLEKnox47 min
Nov 10, 6:16 PM ESTSevere Thunderstorm WarningCLELorain59 min
Nov 10, 6:19 PM ESTSevere Thunderstorm WarningCLERichland56 min
Nov 10, 6:22 PM ESTTornado WarningCLEStark53 min
Nov 10, 6:26 PM ESTSevere Thunderstorm WarningCLECuyahoga64 min
Nov 10, 6:45 PM ESTTornado WarningCLECuyahoga60 min
Nov 10, 6:56 PM ESTTornado WarningCLEPortage49 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2002Every severe thunderstorm warning in 2002

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.