Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 60, NWS Cleveland, OH

June 27, 1998Knox County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 27, 1998, 10:21 PM EDT for Knox 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
Jun 27, 1998, 10:21 PM EDT (02:21 UTC)
Expired
Jun 28, 1998, 1:25 AM EDT
In force
3 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 02:25 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, 2.4 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 00:00Z on 1998-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2378 joules per kilogram.LCLLFCEL10008507005003002001001 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 1998-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
2378 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.9
Supercell composite
11.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 280220
FFWCLE
OHC083-280525-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1021 PM EDT SAT JUN 27 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 125 AM EDT

* THE NATIONAL WEATHER SERVICE HAS REISSUED THE FLASH FLOOD WARNING
  FOR KNOX COUNTY DUE TO ADDITIONAL RAINS THAT FELL OVER MT VERNON
  DURING THE PAST 2 TO 3 HOURS.R

*


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

COMEAUX

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 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, 7:34 PM EDTFlash Flood WarningCLEKnox2 hr
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.