Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 59, NWS Cleveland, OH

June 27, 1998Knox County, Morrow County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 27, 1998, 6:45 PM EDT for Knox County, Morrow 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 27, 1998, 6:45 PM EDT (22:45 UTC)
Expired
Jun 27, 1998, 8:50 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Knox County, OH, Morrow County, OH

The radar

The Cleveland radar (KCLE), 123 km from the middle of the area, began a volume at 22:48 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, 10.8 hours before the alert went out and 153 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 1998-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2641 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 12:00Z on 1998-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 square meters per square second.1939Sfc1 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
2641 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
1.1
Supercell composite
6.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 272247
FFWCLE
OHC083-117-280050-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
645 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
  MORROW COUNTY IN NORTH CENTRAL OHIO

* UNTIL 850 PM EDT

* AT 645 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AT LINE OF THUNDERSTORM MOVING SOUTH INTO MORROW AND KNOX
  COUNTIES.

* RADAR INDICATED THAT TWO INCHES OF RAIN WILL FALL ACROSS
  THESE COUNTIES IN THE NEXT TWO HOURS.


DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

WSF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:08 AM EDTSevere Thunderstorm WarningCLEKnox, Morrow57 min
Jun 27, 1:42 AM EDTSevere Thunderstorm WarningCLECrawford63 min
Jun 27, 2:08 AM EDTFlash Flood WarningCLEKnox3 hr
Jun 27, 2:24 AM EDTFlash Flood WarningCLEMorrow3 hr
Jun 27, 2:27 AM EDTSevere Thunderstorm WarningCLEKnox63 min
Jun 27, 4:31 AM EDTFlash Flood WarningCLEKnox, Morrow3 hr
Jun 27, 4:44 AM EDTFlash Flood WarningCLERichland3 hr
Jun 27, 8:27 AM EDTFlash Flood WarningCLEStark, Wayne3 hr
Jun 27, 10:19 AM EDTSevere Thunderstorm WarningCLELucas46 min
Jun 27, 3:50 PM EDTSevere Thunderstorm WarningCLEHuron60 min
Jun 27, 4:09 PM EDTTornado WarningCLEHuron61 min
Jun 27, 4:14 PM EDTSevere Thunderstorm WarningCLELucas, Ottawa, Wood61 min
Jun 27, 4:24 PM EDTSevere Thunderstorm WarningCLEAshland, Wayne66 min
Jun 27, 4:30 PM EDTSevere Thunderstorm WarningCLESandusky65 min
Jun 27, 4:35 PM EDTTornado WarningCLEAshland, Richland65 min
Jun 27, 4:49 PM EDTFlash Flood WarningCLEKnox, Morrow2 hr
Jun 27, 4:54 PM EDTSevere Thunderstorm WarningCLEKnox66 min
Jun 27, 5:06 PM EDTSevere Thunderstorm WarningCLEWood64 min
Jun 27, 5:09 PM EDTSevere Thunderstorm WarningCLEHolmes66 min
Jun 27, 5:27 PM EDTTornado WarningCLESeneca63 min
Jun 27, 5:32 PM EDTSevere Thunderstorm WarningCLEWayne63 min
Jun 27, 5:35 PM EDTSevere Thunderstorm WarningCLEHancock65 min
Jun 27, 5:39 PM EDTSevere Thunderstorm WarningCLELorain66 min
Jun 27, 5:40 PM EDTSevere Thunderstorm WarningCLEMedina65 min
Jun 27, 5:55 PM EDTSevere Thunderstorm WarningCLEWyandot65 min
Jun 27, 5:57 PM EDTTornado WarningCLECrawford63 min
Jun 27, 6:04 PM EDTSevere Thunderstorm WarningCLESummit66 min
Jun 27, 6:08 PM EDTSevere Thunderstorm WarningCLECuyahoga62 min
Jun 27, 6:12 PM EDTSevere Thunderstorm WarningCLEMahoning, Stark63 min
Jun 27, 6:15 PM EDTSevere Thunderstorm WarningCLERichland65 min
Jun 27, 6:20 PM EDTTornado WarningCLEStark65 min
Jun 27, 6:22 PM EDTSevere Thunderstorm WarningCLEKnox63 min
Jun 27, 6:25 PM EDTSevere Thunderstorm WarningCLEMarion, Morrow65 min
Jun 27, 6:29 PM EDTSevere Thunderstorm WarningCLEWyandot66 min
Jun 27, 6:31 PM EDTSevere Thunderstorm WarningCLEAshland64 min
Jun 27, 6:59 PM EDTTornado WarningCLEKnox, Morrow61 min
Jun 27, 7:46 PM EDTSevere Thunderstorm WarningCLEMarion64 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.