Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 21, NWS Wilmington, OH

July 11, 1990Darke County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 11, 1990, 8:32 AM EDT for Darke County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 11, 1990, 8:32 AM EDT (12:32 UTC)
Expired
Jul 11, 1990, 11:30 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Darke County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 0.5 hours before the alert went out and 44 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, Dayton/James M C, OH at 12:00Z on 1990-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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, Dayton/James M C, OH at 12:00Z on 1990-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
98 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 6:17 AM EDTFlash Flood WarningILNMontgomery3 hr
Jul 11, 8:32 AM EDTFlash Flood WarningILNClark, Miami3 hr
Jul 11, 9:03 AM EDTFlash Flood WarningILNMontgomery2 hr
Jul 11, 4:07 PM EDTSevere Thunderstorm WarningILNClermont, Warren53 min
Jul 11, 4:28 PM EDTSevere Thunderstorm WarningILNBrown32 min

Nearby

Flash Flood Warnings in Ohio, 1990Every flash flood warning in 1990

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.