Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 67, NWS Cleveland, OH

June 28, 1998Knox County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 28, 1998, 7:34 PM EDT for Knox County, Ohio. It was in force for 2 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
Jun 28, 1998, 7:34 PM EDT (23:34 UTC)
Expired
Jun 28, 1998, 9:35 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Knox County, OH

The radar

The Cleveland radar (KCLE), 122 km from the middle of the area, began a volume at 23:38 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 12:00Z, 11.6 hours before the alert went out and 160 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 1998-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1091 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 12:00Z on 1998-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.193958Sfc1 km3 km6 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
1091 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
786 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
82 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 282333
FFWCLE
OHC083-290135-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
734 PM EDT SUN JUN 28 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KNOX COUNTY IN NORTH CENTRAL OHIO

* UNTIL 935 PM EDT

* DOPPLER RADAR AT CLEVELAND SHOWED THUNDERSTORMS WITH VERY
  HEAVY RAIN MOVING SOUTHEAST INTO NORTHERN KNOX COUNTY.  THESE
  THUNDERSTORMS WILL PRODUCE UP TO TWO INCHES OF RAIN LOCALLY THROUGH
  9 PM WHICH WILL LIKELY CAUSE FLASH FLOODING TO DEVELOP ALMOST ANYWHERE
  IN KNOX COUNTY.

*


IF YOU LIVE NEAR A STREAM OR CREEK...GO TO HIGHER GROUND. NEVER DRIVE
THROUGH WATER OF AN UNKNOWN DEPTH.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 9:04 PM EDTSevere Thunderstorm WarningCLECrawford, Richland51 min
Jun 27, 9:13 PM EDTSevere Thunderstorm WarningCLEMorrow32 min
Jun 27, 9:24 PM EDTSevere Thunderstorm WarningCLEKnox61 min
Jun 27, 9:49 PM EDTSevere Thunderstorm WarningCLEMorrow61 min
Jun 27, 10:21 PM EDTFlash Flood WarningCLEKnox3 hr
Jun 28, 1:25 AM EDTFlash Flood WarningCLEKnox3 hr
Jun 28, 4:46 PM EDTSevere Thunderstorm WarningCLESeneca64 min
Jun 28, 5:09 PM EDTSevere Thunderstorm WarningCLEErie, Sandusky61 min
Jun 28, 5:10 PM EDTSevere Thunderstorm WarningCLEHuron65 min
Jun 28, 5:25 PM EDTSevere Thunderstorm WarningCLEMedina65 min
Jun 28, 5:32 PM EDTSevere Thunderstorm WarningCLEStark63 min
Jun 28, 5:35 PM EDTSevere Thunderstorm WarningCLEOttawa65 min
Jun 28, 5:38 PM EDTSevere Thunderstorm WarningCLEWayne47 min
Jun 28, 5:47 PM EDTSevere Thunderstorm WarningCLESummit48 min
Jun 28, 5:50 PM EDTSevere Thunderstorm WarningCLESeneca50 min
Jun 28, 5:59 PM EDTFlash Flood WarningCLESeneca2 hr
Jun 28, 6:05 PM EDTTornado WarningCLEStark50 min
Jun 28, 6:11 PM EDTFlash Flood WarningCLEErie2 hr
Jun 28, 6:11 PM EDTSevere Thunderstorm WarningCLERichland64 min
Jun 28, 6:14 PM EDTSevere Thunderstorm WarningCLELorain66 min
Jun 28, 6:16 PM EDTSevere Thunderstorm WarningCLECrawford49 min
Jun 28, 6:22 PM EDTSevere Thunderstorm WarningCLEWyandot63 min
Jun 28, 6:25 PM EDTSevere Thunderstorm WarningCLESandusky35 min
Jun 28, 6:28 PM EDTFlash Flood WarningCLEStark2 hr
Jun 28, 6:28 PM EDTSevere Thunderstorm WarningCLEAshland62 min
Jun 28, 6:35 PM EDTSevere Thunderstorm WarningCLECuyahoga, Medina65 min
Jun 28, 6:51 PM EDTFlash Flood WarningCLECrawford, Richland2 hr
Jun 28, 7:02 PM EDTSevere Thunderstorm WarningCLECrawford48 min
Jun 28, 7:09 PM EDTSevere Thunderstorm WarningCLEHolmes66 min
Jun 28, 7:11 PM EDTSevere Thunderstorm WarningCLEMorrow64 min
Jun 28, 7:13 PM EDTTornado WarningCLEAshland, Holmes52 min
Jun 28, 7:18 PM EDTFlash Flood WarningCLEMorrow2 hr
Jun 28, 7:22 PM EDTSevere Thunderstorm WarningCLEKnox63 min
Jun 28, 7:23 PM EDTSevere Thunderstorm WarningCLEWyandot62 min
Jun 28, 7:24 PM EDTSevere Thunderstorm WarningCLEMarion66 min
Jun 28, 7:26 PM EDTSevere Thunderstorm WarningCLEPortage64 min
Jun 28, 7:37 PM EDTFlash Flood WarningCLECrawford, Wyandot2 hr

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.