Alert archive / Ohio / Flash Flood Warnings in 2002

Flash Flood Warning 32, NWS Wilmington, OH

July 9, 2002Fairfield County, Hocking County, Pickaway County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 9, 2002, 10:46 PM EDT for Fairfield County, Hocking County, Pickaway County, Ohio. It was in force for 119 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
Jul 9, 2002, 10:46 PM EDT (02:46 UTC)
Expired
Jul 10, 2002, 12:45 AM EDT
In force
119 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Fairfield County, OH, Hocking County, OH, Pickaway County, OH

The radar

The Cincinnati radar (KILN), 98 km from the middle of the area, began a volume at 02:46 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, 2.8 hours before the alert went out and 96 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 2002-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1949 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 2002-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.193958Sfc1 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
1949 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1120 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KILN 100246
FFWILN
OHC045-073-129-100445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1041 PM EDT TUE JUL 9 2002

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FAIRFIELD COUNTY IN OHIO...
  PICKAWAY COUNTY IN OHIO...
  HOCKING COUNTY IN OHIO...

* UNTIL 1245 AM EDT...

* WEATHER SERVICE RADAR INDICATED THAT BETWEEN 3 TO 5 INCHES OF RAIN 
HAD FALLEN OVER EASTERN PICKAWAY...SOUTHERN FAIRFIELD AND WESTERN 
HOCKING COUNTY THIS EVENING.  ADDITIONAL SHOWERS WITH VERY HEAVY 
RAIN WILL BRING AN ADDITIONAL 1 TO 2 INCHES OF RAIN TO THE AREA BY 2 
AM.  

* SOME LOCATIONS IN THE WARNING AREA INCLUDE...
  ASHVILLE...
  BALTIMORE...
  BREMEN...
  FAIRFIELD BEACH...
  LANCASTER...
  LOGAN...
  MILLERSPORT...
  PLEASANTVILLE...
  SOUTH BLOOMFIELD...
  WILLIAMSPORT...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
1 follow-up statement
000 
WGUS71 KILN 100449
FFSILN
OHC045-073-129-100515-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1248 AM EDT WED JUL 10 2002

...THE FLASH FLOOD WARNING FOR FAIRFIELD...PICKAWAY AND HOCKING 
COUNTIES HAS BEEN ALLOWED TO EXPIRE...

NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL WAS ENDING 
ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. SOME 
MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING IS 
ENDING. THUS...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 10:09 PM EDTTornado WarningILNFayette36 min
Jul 10, 2:27 AM EDTFlash Flood WarningILNLicking93 min

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.