Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 74, NWS Cleveland, OH

July 21, 1998Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 21, 1998, 10:33 PM EDT for Lorain County, Ohio. It was in force for 3 hr. 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 21, 1998, 10:33 PM EDT (02:33 UTC)
Expired
Jul 22, 1998, 1:35 AM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Lorain County, OH

The radar

The Cleveland radar (KCLE), 25 km from the middle of the area, began a volume at 02:35 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

Detroit, MI (KDTX), launched 00:00Z, 2.6 hours before the alert went out and 176 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 00:00Z on 1998-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 00:00Z on 1998-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
23 J/kg
Mixed-layer CIN
-374 J/kg
Mixed-layer LCL
1967 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
247 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 220232
FFWCLE
OHC093-220535-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1033 PM EDT TUE JUL 21 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR...
  LORAIN COUNTY IN NORTHEASTERN OHIO

* UNTIL 135 AM EDT

* AS OF 1030 PM EDT...THREE INCHES OF RAIN HAD FALLEN IN THE CITY
  OF AMHERST IN LORAIN COUNTY.  CLEVELAND DOPPLER RADAR INDICATES
  THAT THUNDERSTORMS WITH TORRENTIAL RAIN WILL CONTINUE TO MOVE
  ACROSS LORAIN COUNTY THROUGH MIDNIGHT.

*

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

MOVE TO HIGHER GROUND IF FLOOD WATERS THREATEN.

BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 8:01 PM EDTSevere Thunderstorm WarningCLECuyahoga64 min
Jul 21, 8:09 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake61 min
Jul 21, 8:26 PM EDTSevere Thunderstorm WarningCLEPortage, Summit64 min
Jul 21, 8:26 PM EDTSevere Thunderstorm WarningCLEMedina64 min
Jul 21, 8:35 PM EDTSevere Thunderstorm WarningCLETrumbull65 min
Jul 21, 8:50 PM EDTSevere Thunderstorm WarningCLESeneca50 min
Jul 21, 9:03 PM EDTSevere Thunderstorm WarningCLEHuron62 min
Jul 21, 9:10 PM EDTSevere Thunderstorm WarningCLEMahoning65 min
Jul 21, 9:21 PM EDTSevere Thunderstorm WarningCLELucas, Wood64 min
Jul 21, 9:36 PM EDTTornado WarningCLEWood64 min
Jul 21, 9:43 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky62 min
Jul 21, 10:03 PM EDTSevere Thunderstorm WarningCLEHancock, Seneca62 min
Jul 21, 10:05 PM EDTSevere Thunderstorm WarningCLEErie65 min
Jul 21, 10:38 PM EDTTornado WarningCLEErie, Huron47 min
Jul 21, 10:48 PM EDTSevere Thunderstorm WarningCLELorain62 min
Jul 21, 11:04 PM EDTTornado WarningCLELorain51 min
Jul 21, 11:18 PM EDTSevere Thunderstorm WarningCLECuyahoga, Medina62 min
Jul 21, 11:23 PM EDTSevere Thunderstorm WarningCLEAshland, Holmes, Knox, Richland62 min
Jul 21, 11:23 PM EDTSevere Thunderstorm WarningCLEWayne62 min
Jul 21, 11:45 PM EDTSevere Thunderstorm WarningCLEPortage, Stark, Summit60 min
Jul 22, 12:09 AM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull61 min

Nearby

Flash Flood Warnings in Ohio, 1998Every flash flood 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.