Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 352, NWS Cleveland, OH

July 22, 1998Morrow County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 22, 1998, 10:36 PM EDT for Morrow County, Ohio. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 22, 1998, 10:36 PM EDT (02:36 UTC)
Expired
Jul 22, 1998, 11:40 PM EDT
In force
64 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Morrow County, OH

The radar

The Cleveland radar (KCLE), 126 km from the middle of the area, began a volume at 02:39 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.6 hours before the alert went out and 149 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 00:00Z on 1998-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3091 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 1998-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
3091 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 230236 RRA
SVRCLE
OHC117-230340-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1036 PM EDT WED JUL 22 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 1140 PM EDT

* AT 1036 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES SOUTH OF MOUNT GILEAD OR 7 MILES
  SOUTHWEST OF CHESTERVILLE MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL MOVE NEAR...
  CHESTERVILLE

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE
A STURDY BUILDING AND STAY AWAY FROM WINDOWS!

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cleveland, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 10:00 AM EDT, 12 hours 36 minutes earlier.

Area forecast discussion, Jul 22, 10:00 AM EDT, 12 hours 36 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
1000 AM EDT WED JUL 22 1998

OUTFLOW BNDRY APRNT ON KILN...XTNDG FM NR LUK NE TO CHILLICOTHE OH.
AS NOCTURNAL LLJ BREAKS DOWN AND AMS STABILIZES A BIT WTH OUTFLOW
PASSAGE...PCPN BREAKING UP SIGNIFICANTLY. IR IMAGRY SHOWING SIG
WARMING OF TOPS AND DCRS IN COVERAGE AREA...BUT THREAT FOR HVY PCP
OVR FOR NOW TIL AFTN CONVECTION FIRES UP OVR ANY REMAINING BNDRYS.
LOOKS LIKE BEST CHC FOR FIRE UPS WL BE CNTRL AND SRN FA FOLLOWING
BNDRY AND AHD OF SAGGING SFC FNT.

12Z SFC ANLYS HAS SFC FNT SAGGING S A BIT AND NOW APCHNG NRN IN/IL
FM SRN WI/MI. CNVCTN STILL FIRING UP JUST S OF FNT OVR NRN IN...BUT
APRS TO BE HEADING ENE ALNG AND AHD OF FNTL BNDRY.

TEMPS SEEM TO BE A BIT BEHIND WTH REMAINING CLDS/PCPN ACRS FA. EVEN
WTH SLOW START AND XPCTD  CONTINUED CLDS...SHUD SEE UPR 80S FOR
DAY....WTH BEST CHC FOR ARND 90 NR PMH/CVG/CMH.

DIAN-REED

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 11:48 PM EDTSevere Thunderstorm WarningCLEHolmes17 min
Jul 22, 11:51 PM EDTSevere Thunderstorm WarningCLEStark64 min
Jul 23, 12:20 AM EDTSevere Thunderstorm WarningCLEMahoning65 min
Jul 23, 12:35 AM EDTSevere Thunderstorm WarningCLETrumbull60 min
Jul 23, 12:42 AM EDTTornado WarningCLEMahoning48 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1998Every severe thunderstorm warning in 1998

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.