Alert archive / Ohio / Flash Flood Warnings in 2000

Flash Flood Warning 4, NWS Pittsburgh, PA

April 8, 2000Coshocton County, Tuscarawas County, Ohio; Mercer County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Apr 8, 2000, 8:09 AM EDT for Coshocton County, Tuscarawas County, Ohio; Mercer County, Pennsylvania. 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
Apr 8, 2000, 8:09 AM EDT (12:09 UTC)
Expired
Apr 8, 2000, 11:15 AM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Coshocton County, OH, Tuscarawas County, OH, Mercer County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 0.2 hours before the alert went out and 99 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, Pittsburgh, PA at 12:00Z on 2000-04-08Temperature 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, Pittsburgh, PA at 12:00Z on 2000-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 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
587 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
140 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 KPBZ 081210
FFWPBZ
OHC031-157-PAC085-081515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
809 AM EDT SAT APR 8 2000

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TUSCARAWAS COUNTY IN OHIO
  COSHOCTON COUNTY IN OHIO
  MERCER COUNTY IN PENNSYLVANIA

* UNTIL 1115 AM EDT

* AT 800 AM RADAR INDICATED RAIN HEAVY ENOUGH TO CAUSE FLASH FLOODING
  IN THE AF5FECTED COUNTIES. THE HEAVY RAIN MAY END IN AN HOUR...BUT
  CREEKS WILL CONTINUE TO RISE FOR SOME TIME THEREAFTER.

DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS.

Nearby

Flash Flood Warnings in Ohio, 2000Flash Flood Warnings in Pennsylvania, 2000Every flash flood warning in 2000

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.