Alert archive / Ohio / Flash Flood Warnings in 2002

Flash Flood Warning 36, NWS Wilmington, OH

September 27, 2002Clark County, Miami County, Montgomery County, Ohio

NWS Wilmington, OH issued this flash flood warning at Sep 27, 2002, 6:21 AM EDT for Clark County, Miami County, Montgomery County, Ohio. It was in force for 3 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
Sep 27, 2002, 6:21 AM EDT (10:21 UTC)
Expired
Sep 27, 2002, 9:15 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Clark County, OH, Miami County, OH, Montgomery County, OH

The radar

The Cincinnati radar (KILN), 59 km from the middle of the area, began a volume at 10:21 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 10.4 hours before the alert went out and 59 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, Cncnati-Daytn, OH at 00:00Z on 2002-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2002-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
493 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
165 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 
WGUS51 KILN 271021
FFWILN
OHC023-109-113-271315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
620 AM EDT FRI SEP 27 2002

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS UPGRADED THE FLOOD 
WARNING TO A

* FLASH FLOOD WARNING FOR...
  MIAMI COUNTY IN OHIO...
  CLARK COUNTY IN OHIO...
  MONTGOMERY COUNTY IN OHIO...

* UNTIL 915 AM EDT...

* WEATHER SERVICE RADAR INDICATED VERY HEAVY RAIN CONTINUING ACROSS  
  MONTGOMERY...SOUTHEAST MIAMI AND WESTERN CLARK COUNTIES. LAW  
  ENFORCEMENT OFFICIALS REPORTED THAT SEVERAL CARS WERE STUCK IN 
  HIGH WATER AND MAN HOLE COVERS WERE BEING DISPLACED DUE TO THE    
  HIGH WATER IN MONTGOMERY COUNTY. 

  RADAR INDICATED THAT UP TO 2 INCHES OF RAIN HAD FALLEN BETWEEN 5 
  AND 6 AM. ADDITIONAL MODERATE TO HEAVY RAIN EARLY THIS MORNING
  COULD BRING ANOTHER 1 TO 2 INCHES WHICH WOULD CAUSE EVEN MORE
  SERIOUS FLOODING.

* SOME LOCATIONS IN THE WARNING AREA INCLUDE...
  DAYTON...
  ENON...
  HUBER HEIGHTS...
  KETTERING...
  MIAMISBURG...
  MORAINE...
  NEW CARLISLE...
  NORTHRIDGE...
  OAKWOOD...
  TIPP CITY...
  TROTWOOD...
  VANDALIA...
  WEST CARROLLTON...

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.

Nearby

Flash Flood Warnings in Ohio, 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.