Alert archive / Ohio / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS Cleveland, OH

April 8, 2000Knox County, Marion County, Morrow County, Ohio

NWS Cleveland, OH issued this flash flood warning at Apr 8, 2000, 12:31 AM EDT for Knox County, Marion 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 8, 2000, 12:31 AM EDT (04:31 UTC)
Expired
Apr 8, 2000, 3:30 AM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Knox County, OH, Marion County, OH, Morrow County, OH

The radar

The Cleveland radar (KCLE), 128 km from the middle of the area, began a volume at 04:30 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, 4.5 hours before the alert went out and 147 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 2000-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 71 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 2000-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.19395878Sfc1 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
71 J/kg
Mixed-layer CIN
-218 J/kg
Mixed-layer LCL
1211 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
301 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KCLE 080432 COR
FFWCLE
OHC083-101-117-080730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1231 AM EDT SAT APR 8 2000

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 330 AM EDT

* AT 1224 AM EDT WEATHER SERVICE RADAR INDICATED ANOTHER AREA OF 
HEAVY RAIN MOVING TOWARD THE MARION AND MOUNT GILEAD AREAS. SOME 
LOCATIONS IN THESE COUNTIES HAVE RECEIVED UP TO 3 INCHES OF RAIN IN 
THE LAST 12 HOURS AND THE GROUND IS QUITE SATURATED.

* SOME LOCATIONS AFFECTED INCLUDE...
  WALDO
  SPARTA
  PROSPECT
  MOUNT GILEAD
  MORRAL
  MARION
  FREDERICKTOWN
  CHESTERVILLE
  CARDINGTON

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO 	ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

$$

KIELTYKA
CORRECTED TO REMOVE SOME EXTRA CHARACTERS.

Nearby

Flash Flood Warnings in Ohio, 2000Every flash flood warning in 2000

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.