Alert archive / Ohio / Flash Flood Warnings in 2002

Flash Flood Warning 14, NWS Cleveland, OH

September 15, 2002Ashtabula County, Ohio; Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Sep 15, 2002, 2:17 PM EDT for Ashtabula County, Ohio; Erie County, Pennsylvania. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 15, 2002, 2:17 PM EDT (18:17 UTC)
Expired
Sep 15, 2002, 4:15 PM EDT
In force
118 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Ashtabula County, OH, Erie County, PA

The radar

The Cleveland radar (KCLE), 136 km from the middle of the area, began a volume at 18:16 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.3 hours before the alert went out and 175 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 2002-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 512 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2002-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
512 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KCLE 151817
FFWCLE
OHC007-PAC049-152015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
215 PM EDT SUN SEP 15 2002

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ASHTABULA COUNTY IN NORTHEAST OHIO...
  ERIE COUNTY IN NORTHWEST PENNSYLVANIA...

* UNTIL 415 PM EDT

* AT 210 PM EDT WEATHER SERVICE RADAR INDICATED...SCATTERED 
THUNDERSTORMS HAVE CONTINUED TO FORM ALONG THE LAKESHORE FROM NEAR 
ERIE WEST TO AROUND ASHTABULA.  RADAR INDICATES THAT UP TO 2 INCHES 
OF RAIN MAY HAVE OCCURRED IN SOME AREAS.  REPORTS INDICATE THAT SOME 
ROADS ARE ALREADY SEEING SEVERAL INCHES OF WATER ON THE ROADWAY.

ADDITIONAL SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAIN WILL 
CONTINUE IN ERIE AND ASHTABULA COUNTY THROUGH 4 PM.

* SOME LOCATIONS AFFECTED INCLUDE...
  ASHTABULA
  CONNEAUT
  NORTH KINGSVILLE
  ALBION
  ERIE
  GIRARD

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.
$$

ADAMS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 8:55 PM EDTSevere Thunderstorm WarningCLESummit50 min

Nearby

Flash Flood Warnings in Ohio, 2002Flash Flood Warnings in Pennsylvania, 2002Every flash flood warning in 2002

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.