Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 15, NWS Cleveland, OH

July 18, 1992Ashtabula County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 18, 1992, 4:15 PM EDT for Ashtabula County, Ohio. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 18, 1992, 4:15 PM EDT (20:15 UTC)
Expired
Jul 18, 1992, 6:15 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ashtabula County, OH

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.3 hours before the alert went out and 204 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, Buffalo Intl Airport, NY at 12:00Z on 1992-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 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, Buffalo Intl Airport, NY at 12:00Z on 1992-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939587897Sfc1 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
101 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 182014
FFWCLE
OHC007-182215-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
415 PM EDT SAT JUL 18 1992
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED AN URBAN
AND SMALL STREAM FLOOD WARNING EFFECTIVE UNTIL  615 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OHIO
 
   ...ASHTABULA COUNTY
 
AT 410 PM WEATHER SERVICE RADAR SHOWED A NEARLY STATIONARY
THUNDERSTORM OVER EAST CENTRAL ASHTABULA COUNTY. THIS STORM HAS
COMBINED WITH PREVIOUS AFTERNOON STORMS TO PRODUCE 1 TO 3 INCHES OF
RAIN OVER THIS AREA BETWEEN 1PM AND 4PM. THE SHERIFF DEPARTMENT
REPORTED WATER OVER HIGHWAYS AROUND PEIRPONT.
 
MOST FLOOD DEATHS 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.
 
SJN

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, Jul 18, 2:19 PM EDT, 1 hour 56 minutes before
OHZ001-002-011-181930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
218 PM EDT SAT JUL 18 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST OHIO
UNTIL 700 PM EDT.

AT 215 PM WEATHER RADAR INDICATED ISOLATED THUNDERSTORMS OVER NORTHWEST
OHIO. THE STRONGEST STORM WAS OVER SOUTHWEST SENECA COUNTY. THIS STORM
MAY PRODUCE HAIL AND GUSTY WINDS ALONG WITH VERY HEAVY RAIN. THE STORMS
WERE MOVING EAST AT 30 MILES AN HOUR. MORE THUNDERSTORM DEVELOPMENT
IS EXPECTED THIS AFTERNOON. BY 300 PM THIS STORM WILL BE IN SOUTHEAST
SENECA COUNTY OR 30 MILES NORTHWEST OF MANSFIELD.

KEEP A CLOSE WATCH ON THE WEATHER AROUND YOU. BE PREPARED TO MOVE TO A
PLACE OF SAFETY SHOULD THREATENING WEATHER APRROACH OR A WARNING IS
ISSUED. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION.

MURPHY
Special weather statement, Jul 18, 2:51 PM EDT, 1 hour 24 minutes before
PAZ001>004-182000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
244 PM EDT SAT JUL 18 1992

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR ALL OF NORTHWEST
PENNSYLVANIA UNTIL 7PM.
Special weather statement, Jul 18, 2:58 PM EDT, 1 hour 17 minutes before
OHZ011-006-182100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
258 PM EDT SAT JUL 18 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTH CENTRAL OHIO
UNTIL 7 PM EDT.

AT 250 PM WEATHER SERVICE RADAR INDICATED A FEW ISOLATED THUNDERSTORMS
OVER NORTHERN OHIO AND A LINE OF SHOWERS AND THUNDERSTORMS OVER CENTRAL
AND SOUTHERN OHIO . ACROSS NORTHERN OHIO THE STRONGEST THUNDERSTORMS
WERE NORTH OF BUCYRUS IN CRAWFORD COUNTY AND WEST OF FINDLAY IN HANCOCK
COUNTY. THE THUNDERSTORMS WERE MOVING EAST AT 35 MPH. THESE STORMS HAVE
DEVELOPED RAPIDLY THIS AFTERNOON AND ARE CAPABLE OF PRODUCING STRONG
DAMAGING WINDS...LARGE HAIL AND HEAVY RAIN.

SINCE THE GROUND IS ALREADY SATURATED OVER NORTH CENTRAL OHIO ANY
ADDITIONAL RAINFALL MAY CAUSE URBAN FLOODING OF STREETS...STREAMS AND IN
LOW LYING AREAS. IF FLOODING OCCURS TAKE ACTION IMMEDIATELY AND MOVE TO
HIGHER GROUND. ALSO IF SEVERE WEATHER APPROACHES SEEK SHELTER QUICKLY.
LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS FOR
WEATHER INFORMATION AND POSSIBLE WARNINGS IN YOUR AREA.

GB
Special weather statement, Jul 18, 3:07 PM EDT, 1 hour 8 minutes before
OHZ004-007-182330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
306 PM EDT SAT JUL 18 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHEAST OHIO UNTIL 7PM
AND FOR EAST CENTRAL AND SOUTHEAST OHIO UNTIL 8PM EDT.

WEATHER RADAR AT 255 PM INDICATED SCATTERED THUNDERSTORMS OVER ASTABULA
AND TRUMBULL COUNTIES IN NORTHEAST OHIO. OTHER THUNDERSTORMS WERE
WERE INDICATED IN MUSKINGUM AND PERRY COUNTIES IN EAST CENTRAL OHIO.
THESE THUNDERSTORMS WERE MOVING EAST AT 20 MPH.

ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED OTHER THAN SOME TREES
DOWN IN ASTABULA COUNTY THESE STORMS HAVE THE POTENTIAL TO CAUSE HIGH
WIND...HAIL AND DANGEROUS LIGHTNING. HEAVY DOWNPOURS OF RAIN COULD
ALSO CAUSE PNDING OF WATER IN RAODWAYS AND FLODDING IN LOW LYING AREAS.

DEGAN
Special weather statement, Jul 18, 3:50 PM EDT, 25 minutes before
OHZALL-182100-

SPECIAL WEATHER STATEMENT AND AFTERNOON OHIO WEATHER STORY
NATIONAL WEATHER SERVICE CLEVELAND OHIO
350 PM EDT SAT JUL 18 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN OHIO UNTIL
7 PM EDT...AND FOR SOUTHERN OHIO UNTIL 8 PM EDT.

AT 330 PM WEATHER SERVICE RADAR SHOWED SCATTERED THUNDERSTORMS ACROSS
ALL OF OHIO.  IN NORTHERN OHIO THE STRONGEST THUNDERSTORMS WERE NEAR
TIFFIN...DEFIANCE AND OVER ASHTABULA COUNTY.  IN SOUTHERN OHIO THE
STRONGEST STORMS WERE IN AN AREAS JUST EAST AND SOUTHEAST OF ZANESVILLE.

MOST OF THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AROUND 25 MPH.

EARLIER THIS AFTERNOON...SOME TREES AND POWER LINES WERE BLOWN DOWN IN
ASHTABULA COUNTY.  DIME SIZE HAIL...HEAVY RAINS AND WINDS OF 50 MPH WERE
ALSO REPORTED THERE.

REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE WINDS IN EXCESS OF 55
MPH...LARGE HAIL...HEAVY RAINS AND FREQUENT LIGHTNING.  THE GROUND
ACROSS MUCH OF OHIO HAS BEEN SATURATED BY RAIN THE PAST WEEK.  IF ANY
SHOWERS PRODUCE FAIRLY HEAVY RAINS...IT WILL LIKELY CAUSE SOME PONDING
OF WATER ON STREETS...AND SOME FLOODING OF STREAMS AND LOW LYING AREAS.

OHIO'S WEATHER STARTED OUT DRY TODAY.  SKIES WERE PARTLY CLOUDY ACROSS
THE STATE THIS MORNING WITH MANY AREAS RECEIVING QUITE A LOT OF
SUNSHINE.  AFTERNOON TEMPERATURES CLIMBED INTO THE UPPER 70S AND LOWER
80S.

THE SHOWERS AND THUNDERSTORMS SHOULD DISSIPATE OVER MOST OF THE STATE
SHORTLY AFTER SUNSET.  OTHERWISE SKIES WILL BE PARTLY CLOUDY.  LOW
TEMPERATURES WILL RANGE FROM 55 TO 65.

ON SUNDAY...SKIES WILL BE PARTLY CLOUDY.  THERE WILL STILL BE A CHANCE
OF SHOWERS OR THUNDERSTORMS DURING THE AFTERNOON MAINLY OVER THE EASTERN
HALF OF THE STATE.  HIGH WILL RANGE FROM AROUND 80 TO 85 DEGREES.

ON THE LATEST WEATHER MAP...A WEAK COLD FRONT EXTENDED ACROSS SOUTHERN
ONTARIO...LAKE ERIE TO CENTRAL ILLINOIS.  IT WILL MOVE SOUTHEAST ACROSS
THE STATE TONIGHT.  HIGH PRESSURE WAS OVER WISCONSIN.  IT WILL SLIDE
A|CROSS OHIO ON SUNDAY.

WCR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 12:29 PM EDTSevere Thunderstorm WarningCLEAshtabula61 min
Jul 18, 1:44 PM EDTSevere Thunderstorm WarningCLEAshtabula61 min
Jul 18, 2:10 PM EDTFlash Flood WarningCLEAshtabula2 hr

Nearby

Flash Flood Warnings in Ohio, 1992Every flash flood warning in 1992

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.