Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 121, NWS Cleveland, OH

August 16, 1997Erie County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 16, 1997, 9:20 AM EDT for Erie County, Ohio. It was in force for 55 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
Aug 16, 1997, 9:20 AM EDT (13:20 UTC)
Expired
Aug 16, 1997, 10:15 AM EDT
In force
55 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, OH

The radar

The Cleveland radar (KCLE), 70 km from the middle of the area, began a volume at 13:24 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.

IssuedProductOfficeLasted
Aug 16, 8:15 AM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 1.3 hours before the alert went out and 155 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, Detroit, MI at 12:00Z on 1997-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2226 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, Detroit, MI at 12:00Z on 1997-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
2226 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.9
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

450 
WUUS1 KCLE 161321 RRA
SVRCLE
OHC043-161415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
920 AM EDT SAT AUG 16 1997
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  OHIO
 
   ...ERIE COUNTY
 
AND THE ADJACENT WATERS OF LAKE ERIE
 
 
AT 920 AM DOPPLER WEATHER RADAR IN CLEVELAND SHOWED A LINE OF SEVERE
THUNDERSTORMS MOVING INTO WESTERN ERIE COUNTY. THE STORMS WERE MOVING TO
THE EAST AT 45 MPH AND WILL REACH SANDUSKY BY 940 AM.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT 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.

In the hours before

Special weather statement, Aug 16, 4:45 AM EDT, 4 hours 35 minutes before
OHZ002-003-005>014-017>023-027>033-036>038-047-089-PAZ001>003-171200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
445 AM EDT SAT AUG 16 1997

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA INDICATES THAT THERE
IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR TODAY AND TONIGHT OVER
NORTHERN OHIO AND FOR ERIE AND CRAWFORD COUNTIES IN PENNSYLVANIA.

THE BEST CHANCE FOR THE SEVERE STORMS WOULD BE THIS AFTERNOON AND EARLY
TONIGHT. THE MAIN THREAT OF SEVERE WEATHER IS DAMAGING WINDS.

THE POTENTIAL FOR SEVERE WEATHER IS BEING FUELED BY A VERY WARM AND
HUMID SOUTHWEST FLOW OF AIR COUPLED WITH AN UPPER AIR DISTURBANCE
TRAVERSING THE REGION THIS AFTERNOON AND EARLY TONIGHT.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TELEVISION OR RADIO...OR CABLE
TELEVISION...INCLUDING THE WEATHER CHANNEL...FOR THE LATEST WEATHER
INFORMATION.

HILTBRAND

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 8:25 PM EDTSevere Thunderstorm WarningCLEHenry65 min
Aug 16, 2:06 AM EDTSevere Thunderstorm WarningCLEMahoning, Stark54 min
Aug 16, 7:22 AM EDTSevere Thunderstorm WarningCLEFulton53 min
Aug 16, 7:41 AM EDTSevere Thunderstorm WarningCLEHenry49 min
Aug 16, 8:12 AM EDTSevere Thunderstorm WarningCLELucas48 min
Aug 16, 8:16 AM EDTSevere Thunderstorm WarningCLEFulton59 min
Aug 16, 8:46 AM EDTSevere Thunderstorm WarningCLEOttawa, Wood59 min
Aug 16, 8:59 AM EDTSevere Thunderstorm WarningCLELucas16 min
Aug 16, 9:05 AM EDTSevere Thunderstorm WarningCLESandusky55 min
Aug 16, 9:52 AM EDTSevere Thunderstorm WarningCLELorain53 min
Aug 16, 10:06 AM EDTSevere Thunderstorm WarningCLECuyahoga69 min
Aug 16, 10:39 AM EDTSevere Thunderstorm WarningCLELorain36 min
Aug 16, 10:49 AM EDTSevere Thunderstorm WarningCLEGeauga56 min
Aug 16, 10:52 AM EDTSevere Thunderstorm WarningCLEAshtabula68 min
Aug 16, 11:11 AM EDTSevere Thunderstorm WarningCLETrumbull64 min
Aug 16, 11:29 AM EDTSevere Thunderstorm WarningCLEPortage, Summit61 min
Aug 16, 3:15 PM EDTSevere Thunderstorm WarningCLEMorrow45 min
Aug 16, 3:36 PM EDTSevere Thunderstorm WarningCLEHuron54 min
Aug 16, 3:41 PM EDTSevere Thunderstorm WarningCLEKnox49 min
Aug 16, 3:48 PM EDTSevere Thunderstorm WarningCLELorain57 min
Aug 16, 4:12 PM EDTTornado WarningCLELorain33 min
Aug 16, 4:22 PM EDTTornado WarningCLEGeauga38 min
Aug 16, 4:30 PM EDTSevere Thunderstorm WarningCLEMedina60 min
Aug 16, 4:35 PM EDTTornado WarningCLELorain, Medina55 min
Aug 16, 4:38 PM EDTSevere Thunderstorm WarningCLEFulton, Lucas67 min
Aug 16, 4:43 PM EDTSevere Thunderstorm WarningCLEHolmes, Knox62 min
Aug 16, 4:45 PM EDTTornado WarningCLETrumbull45 min
Aug 16, 4:59 PM EDTSevere Thunderstorm WarningCLEErie, Huron61 min
Aug 16, 5:01 PM EDTSevere Thunderstorm WarningCLECuyahoga59 min
Aug 16, 5:04 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake56 min
Aug 16, 5:25 PM EDTSevere Thunderstorm WarningCLELorain65 min
Aug 16, 5:27 PM EDTFlash Flood WarningCLELorain2 hr
Aug 16, 5:39 PM EDTSevere Thunderstorm WarningCLETrumbull51 min
Aug 16, 5:45 PM EDTTornado WarningCLEMedina60 min
Aug 16, 5:48 PM EDTTornado WarningCLETrumbull42 min
Aug 16, 5:51 PM EDTFlash Flood WarningCLEMedina2 hr
Aug 16, 6:04 PM EDTSevere Thunderstorm WarningCLEErie41 min
Aug 16, 6:06 PM EDTSevere Thunderstorm WarningCLEHuron, Seneca69 min
Aug 16, 6:09 PM EDTTornado WarningCLESummit66 min
Aug 16, 6:12 PM EDTFlash Flood WarningCLETrumbull2 hr
Aug 16, 6:16 PM EDTTornado WarningCLETrumbull59 min
Aug 16, 6:20 PM EDTSevere Thunderstorm WarningCLELorain55 min
Aug 16, 6:30 PM EDTTornado WarningCLELorain, Medina60 min
Aug 16, 6:44 PM EDTTornado WarningCLEWayne61 min
Aug 16, 6:47 PM EDTTornado WarningCLEAshland43 min
Aug 16, 7:05 PM EDTTornado WarningCLEStark55 min
Aug 16, 7:12 PM EDTTornado WarningCLESummit48 min
Aug 16, 7:15 PM EDTSevere Thunderstorm WarningCLEMahoning45 min
Aug 16, 7:26 PM EDTTornado WarningCLEAshland49 min
Aug 16, 7:38 PM EDTFlash Flood WarningCLEAshland, Wayne67 min
Aug 16, 7:56 PM EDTSevere Thunderstorm WarningCLEKnox, Richland64 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1997Every severe thunderstorm warning in 1997

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.