Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 49, NWS Cleveland, OH

May 10, 1996Mahoning County, Stark County, Ohio

NWS Cleveland, OH issued this flash flood warning at May 10, 1996, 1:30 AM EDT for Mahoning County, Stark 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: May 10, 1996, 1:30 AM EDT (05:30 UTC)
Expired: May 10, 1996, 3:30 AM EDT
In force: 2 hr
Issued by: NWS Cleveland, OH
Area: Whole counties

Counties Mahoning County, OH, Stark County, OH

The radar

The Pittsburgh radar (KPBZ), 84 km from the middle of the area, began a volume at 05:32 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

Pittsburgh, PA (KPIT), launched 00:00Z, 5.5 hours before the alert went out and 99 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: 1006 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1370 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 100531
FFWCLE
OHC099-151-169-100730-
 
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAM
NATIONAL WEATHER SERVICE CLEVELAND OH
130 AM EDT FRI MAY 10 1996
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAM
EFFECTIVE UNTIL  330 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  OHIO
 
   ...MAHONING COUNTY...STARK COUNTY...WAYNE COUNTY
 
AT 125 AM THIS MORNING DOPPLER RADAR SHOWED THUNDERSTORMS WITH
HEAVY RAIN FROM RITTMAN IN NORTHEAST WAYNE COUNTY...EAST
THROUGH NORTHERN STARK COUNTY AND INTO MAHONING COUNTY...TO
THE NORTHEAST OF THE CITY OF ALLIANCE. RITTMAN POLICE REPORTED
SOME STREET FLOODING AT 125 AM THIS MORNING.
 
THESE STORMS ARE MOVING EAST AT 25 MPH.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.
 
BE ESPECIALLY CAUTIOUS AT0 NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
END/COMEAUX
&

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 8:09 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Wood	36 min
May 9, 8:31 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa	44 min
May 9, 8:34 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky	41 min
May 10, 1:11 AM EDT	Severe Thunderstorm Warning	CLE	Richland	49 min
May 10, 1:30 AM EDT	Flash Flood Warning	CLE	Wayne	2 hr
May 10, 1:40 AM EDT	Flash Flood Warning	CLE	Ashland	65 min
May 10, 3:44 PM EDT	Severe Thunderstorm Warning	CLE	Morrow	46 min
May 10, 4:27 PM EDT	Severe Thunderstorm Warning	CLE	Geauga	48 min
May 10, 4:44 PM EDT	Flash Flood Warning	CLE	Ashtabula	2 hr
May 10, 5:10 PM EDT	Flash Flood Warning	CLE	Hancock	2 hr
May 10, 5:40 PM EDT	Flash Flood Warning	CLE	Wyandot	2 hr
May 10, 6:44 PM EDT	Flash Flood Warning	CLE	Ashtabula	2 hr
May 10, 7:19 PM EDT	Tornado Warning	CLE	Wayne	26 min
May 10, 7:23 PM EDT	Flash Flood Warning	CLE	Huron	2 hr
May 10, 7:41 PM EDT	Flash Flood Warning	CLE	Medina, Summit	2 hr
May 10, 7:47 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	43 min
May 10, 7:51 PM EDT	Tornado Warning	CLE	Summit	39 min

Nearby

Flash Flood Warnings in Ohio, 1996 Every flash flood warning in 1996

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.