Alert archive / Ohio / Flash Flood Warnings in 1994

Flash Flood Warning 20, NWS Cleveland, OH

April 12, 1994Stark County, Ohio

NWS Cleveland, OH issued this flash flood warning at Apr 12, 1994, 4:30 AM EDT for Stark County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 12, 1994, 4:30 AM EDT (08:30 UTC)
Expired
Apr 12, 1994, 8:15 AM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Stark County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 8.5 hours before the alert went out and 116 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, Pittsburgh, PA at 00:00Z on 1994-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Pittsburgh, PA at 00:00Z on 1994-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
531 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 12, 3:47 AM EDT, 43 minutes before
OHZ023-033-041-PAZ007-013-120830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
245 AM EDT TUE APR 12 1994

THUNDERSTORMS WERE RUMBLING THROUGH THE MAHONING AND SHENANGO VALLEYS
OVERNIGHT.

AT 240 AM NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS FROM
ERIE PENNSYLVANIA BACK TO MANSFIELD OHIO. A FEW THUNDERSTORMS WERE
EMBEDDED WITHIN THIS LINE OF SHOWERS. THESE STORMS WERE MOVING NORTHEAST
AT 20 MILES PER HOUR. THESE THUNDERSTORMS CONTAIN DEADLY LIGHTNING...
WIND GUSTS TO 30 MPH...AND BRIEF HEAVY RAIN.

AS THE GROUND IN THE MAHONING AND SHENANGO VALLEYS IS ALREADY NEARLY
SATURATED...THIS RAINFALL MAY CAUSE FLOODING PROBLEMS. IF YOU LIVE
IN A FLOOD-PRONE AREA...BvE ALERT FOR ANY TROUBLES THAT MAY ARISE.
TUNE TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER UPDATES.

VEENEMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 3:52 AM EDTFlash Flood WarningCLEHuron, Lorain, Medina3 hr
Apr 12, 4:09 AM EDTFlash Flood WarningCLEPortage, Summit, Wayne4 hr
Apr 12, 4:40 AM EDTFlash Flood WarningCLEMahoning, Trumbull4 hr

Nearby

Flash Flood Warnings in Ohio, 1994Every flash flood warning in 1994

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.