Alert archive / Ohio / Flash Flood Warnings in 1993

Flash Flood Warning 25, NWS Cleveland, OH

September 2, 1993Lucas County, Ohio

NWS Cleveland, OH issued this flash flood warning at Sep 2, 1993, 5:06 PM EDT for Lucas County, Ohio. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Sep 2, 1993, 5:06 PM EDT (21:06 UTC)
Expired
Sep 2, 1993, 7:15 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Lucas County, OH

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 9.1 hours before the alert went out and 115 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, Detroit, MI at 12:00Z on 1993-09-02Temperature 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, Detroit, MI at 12:00Z on 1993-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.1939587897117136Sfc1 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
1002 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
131 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 
TTAA00 KTOL 022107
FFWTOL
OHC095-022315-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
506 PM EDT THU SEP 2 1993
 
THE NATIONAL WEATHER SERVICE IN TOLEDO HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTHWEST OHIO
 
   ...LUCAS COUNTY
 
AT 505 PM EDT WEATHER SERVICE RADAR INDICATED SHOWERS AND THUNDERSTORMS
OVER LUCAS COUNTY OF NORTHWEST OHIO. THE RAIN HAS PERSISTED SINCE 3 PM
AND STREET FLOODING HAS BEEN REPORTED IN SYLVANIA AND TOLEDO WITH
PREVIOUS HEAVY RAINS. THE RAIN IS EXPECTED TO CONTINUE THROUGH 6 PM WITH
THE POSSIBLY OF BRIEF HEAVY DOWNPOURS. STANDING WATER WILL PERSIST
THROUGH THE EARLY EVENING HOURS.
 
hDO 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.
 
ELH

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, Sep 2, 3:07 PM EDT, 1 hour 59 minutes before
OHZ004-007-022000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
307 PM EDT THU SEP 2 1993

AT 305 PM EDT WEATHER RADAR INDICATED A STRONG THUNDERSTORM
CLUSTER COVERING MUCH OF KNOX COUNTY IN CENTRAL OHIO. THESE
THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH AND WILL MOVE
ACROSS HOLMES AND NORTHERN COSHOCTON COUNTIES BETWEEN
315 AND 345 PM.

THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN THAT WILL CAUSE
PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 50 MPH ARE ALSO LIKELY.

PEOPLE IN HOLMES AND COSHOCTON COUNTIES SHOULD SEEK SAFE SHELTER
WITH THE APPROACH AND PASSAGE OF THESE STORMS.

THOMPSON
Special weather statement, Sep 2, 3:16 PM EDT, 1 hour 50 minutes before
PAZ001-002-003-004-022100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
302 PM EDT THU SEP 02 1993

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHWEST PENNSYLVANIA...
...UNTIL 9 PM EDT...

AT 300 PM WEATHER RADAR INDICATED SCATTERED SHOWERS AND A FEW STRONG
THUNDERSTORMS ACROSS NORTHWEST PENNSYLVANIA.  STRONGEST THUNDERSTORMS WERE
IN POTTER COUNTY NORTHEAST OF COUDERSPORT...IN FOREST COUNTY NEAR MARIENVILLE.

SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

THUNDERSTORMS CAN PRODUCE DANGEROUS LIGHTING...STRONG GUST WINDS...
HAIL AND HEAVY DOWNPOURS.

PARRISH/BELK
Special weather statement, Sep 2, 4:03 PM EDT, 1 hour 3 minutes before
OHZ004-007-022100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
403 PM EDT THU SEP 2 1993

AT 400 PM EDT WEATHER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS
EXTENDING FROM MILLERSBURG NORTH THROUGH WOOSTER. THESE THUNDERSTORMS
WERE MOVING NORTHEAST AT 35 MPH AND WILL MOVE ACROSS STARK AND
SUMMIT COUNTIES OF NORTHEAST OHIO BETWEEN 415 AND 500 PM.

THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN THAT WILL CAUSE
PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 50 MPH ARE ALSO LIKELY.

PEOPLE IN STARK AND SUMMIT COUNTIES SHOULD SEEK SAFE SHELTER
WITH THE APPROACH AND PASSAGE OF THESE STORMS.

THOMPSON
Special weather statement, Sep 2, 4:03 PM EDT, 1 hour 3 minutes before
OHZ004-007-022100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
403 PM EDT THU SEP 2 1993

AT 400 PM EDT WEATHER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS
EXTENDING FROM MILLERSBURG NORTH THROUGH WOOSTER. THESE THUNDERSTORMS
WERE MOVING NORTHEAST AT 35 MPH AND WILL MOVE ACROSS STARK AND
SUMMIT COUNTIES OF NORTHEAST OHIO BETWEEN 415 AND 500 PM.

THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN THAT WILL CAUSE
PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. FREQUENT
CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 50 MPH ARE ALSO LIKELY.

PEOPLE IN STARK AND SUMMIT COUNTIES SHOULD SEEK SAFE SHELTER
WITH THE APPROACH AND PASSAGE OF THESE STORMS.

THOMPSON
Special weather statement, Sep 2, 4:25 PM EDT, 41 minutes before
OHZ001-002-011-022130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
425 PM EDT THU SEP 2 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST OHIO
UNTIL 9 PM EDT.

AT 420 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA
OF STRONG THUNDERSTORMS EXTENDING FROM THE ISLANDS TO MAUMEE BAY
AND THEN THE LINE CONTINUED SOUTHWEST INTO OTTAWA...LUCAS...WOOD...
FULTON AND HENRY COUNTIES OF NORTHWEST OHIO. THE AREA OF THUNDERSTORMS
WAS MOVING TO THE NORTHEAST AT 40 MPH. THE STORMS...AROUND 320PM...
PRODUCED LARGE HAIL AROUND 2 INCHES IN DIAMETER IN TOLEDO.

VERY HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING WILL ACCOMPANY
THESE STORMS AS THEY MOVE THROUGH. THE STORMS MAY BE SEVERE THIS
AFTERNOON PRODUCING DAMAGING WINDS AND LARGE HAIL.

MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL

APPLIANCES UNLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL
RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER.

BARNES
Special weather statement, Sep 2, 4:25 PM EDT, 41 minutes before
OHZ001-002-011-022130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
425 PM EDT THU SEP 2 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST OHIO
UNTIL 9 PM EDT.

AT 420 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA
OF STRONG THUNDERSTORMS EXTENDING FROM THE ISLANDS TO MAUMEE BAY
AND THEN THE LINE CONTINUED SOUTHWEST INTO OTTAWA...LUCAS...WOOD...
FULTON AND HENRY COUNTIES OF NORTHWEST OHIO. THE AREA OF THUNDERSTORMS
WAS MOVING TO THE NORTHEAST AT 40 MPH. THE STORMS...AROUND 320PM...
PRODUCED LARGE HAIL AROUND 2 INCHES IN DIAMETER IN TOLEDO.

VERY HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING WILL ACCOMPANY
THESE STORMS AS THEY MOVE THROUGH. THE STORMS MAY BE SEVERE THIS
AFTERNOON PRODUCING DAMAGING WINDS AND LARGE HAIL.

MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL

APPLIANCES UNLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL
RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER.

BARNES

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 3:17 PM EDTSevere Thunderstorm WarningCLELucas28 min
Sep 2, 4:07 PM EDTSevere Thunderstorm WarningCLECuyahoga38 min
Sep 2, 4:12 PM EDTSevere Thunderstorm WarningCLEHolmes, Stark, Summit, Wayne63 min
Sep 2, 4:23 PM EDTSevere Thunderstorm WarningCLEMedina37 min
Sep 2, 4:27 PM EDTSevere Thunderstorm WarningCLEGeauga63 min
Sep 2, 5:05 PM EDTSevere Thunderstorm WarningCLEAshtabula55 min
Sep 2, 6:45 PM EDTSevere Thunderstorm WarningCLECuyahoga, Medina30 min
Sep 2, 6:51 PM EDTSevere Thunderstorm WarningCLEMahoning39 min
Sep 2, 7:02 PM EDTSevere Thunderstorm WarningCLETrumbull58 min
Sep 2, 7:15 PM EDTSevere Thunderstorm WarningCLECuyahoga, Medina45 min
Sep 2, 7:30 PM EDTSevere Thunderstorm WarningCLEPortage, Stark, Summit60 min

Nearby

Flash Flood Warnings in Ohio, 1993Every flash flood warning in 1993

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.