Alert archive / Ohio / Flash Flood Warnings in 2002

Flash Flood Warning 7, NWS Cleveland, OH

April 19, 2002Knox County, Morrow County, Ohio

NWS Cleveland, OH issued this flash flood warning at Apr 19, 2002, 7:46 PM EDT for Knox County, Morrow 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: Apr 19, 2002, 7:46 PM EDT (23:46 UTC)
Expired: Apr 19, 2002, 10:45 PM EDT
In force: 3 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 23:48 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, 11.8 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 303 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 1572 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 29 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 
WGUS51 KCLE 192346
FFWCLE
OHC083-117-200245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
743 PM EDT FRI APR 19 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KNOX COUNTY IN OHIO...
  MORROW COUNTY IN OHIO...

* UNTIL 1045 PM EDT

* AT 742 PM EDT WEATHER SERVICE RADAR INDICATED...NUMEROUS           
  THUNDERSTORMS CONTINUING TO MOVE THROUGH MORROW AND KNOX COUNTIES  
  WITH ADDITIONAL STORMS MOVING TOWARD THESE COUNTIES.  ACCORDING TO 
  RADAR...THE AREAS AROUND MOUNT VERNON AND SPARTA APPEAR TO HAVE    
  RECEIVED AT LEAST TWO INCHES OF RAIN WITH ANOTHER INCH OR TWO      
  POSSIBLE.


* SOME LOCATIONS AFFECTED INCLUDE...
  CHESTERVILLE
  DANVILLE
  FREDERICKTOWN
  GAMBIER
  MOUNT GILEAD
  MOUNT VERNON
  SPARTA

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

REPORT SEVERE WEATHER OR FLOODING TO THE NEAREST LAW ENFORCEMENT
AGENCY AND HAVE THEM RELAY YOUR REPORT TO THE NATIONAL WEATHER
SERVICE.

$$
ADAMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 6:12 AM EDT	Special Marine Warning	CLE		2 hr
Apr 19, 6:12 AM EDT	Special Marine Warning	CLE		2 hr
Apr 19, 6:12 AM EDT	Special Marine Warning	CLE		2 hr
Apr 19, 3:33 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	57 min
Apr 19, 4:12 PM EDT	Flash Flood Warning	CLE	Lorain	2 hr
Apr 19, 4:17 PM EDT	Severe Thunderstorm Warning	CLE	Medina	58 min
Apr 19, 4:32 PM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow	58 min
Apr 19, 4:52 PM EDT	Severe Thunderstorm Warning	CLE	Wayne	38 min
Apr 19, 5:00 PM EDT	Severe Thunderstorm Warning	CLE	Summit	30 min
Apr 19, 5:10 PM EDT	Tornado Warning	CLE	Wayne	35 min
Apr 19, 5:15 PM EDT	Tornado Warning	CLE	Stark	60 min
Apr 19, 5:25 PM EDT	Flash Flood Warning	CLE	Knox, Morrow	110 min
Apr 19, 5:31 PM EDT	Severe Thunderstorm Warning	CLE	Knox	59 min
Apr 19, 5:39 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	66 min
Apr 19, 6:13 PM EDT	Flash Flood Warning	CLE	Holmes	2 hr
Apr 19, 6:24 PM EDT	Severe Thunderstorm Warning	CLE	Richland	66 min
Apr 19, 7:11 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Morrow	64 min
Apr 19, 7:29 PM EDT	Flash Flood Warning	CLE	Richland	2 hr
Apr 19, 7:32 PM EDT	Severe Thunderstorm Warning	CLE	Richland	58 min
Apr 19, 7:39 PM EDT	Severe Thunderstorm Warning	CLE	Marion	66 min

Nearby

Flash Flood Warnings in Ohio, 2002 Every flash flood warning in 2002

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.