Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 178, NWS Pittsburgh, PA

July 10, 1998Noble County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Jul 10, 1998, 8:25 AM EDT for Noble 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
Jul 10, 1998, 8:25 AM EDT (12:25 UTC)
Expired
Jul 10, 1998, 11:00 AM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Noble County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 0.4 hours before the alert went out and 136 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 1998-07-10Temperature 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 1998-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1191 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
26 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 
TTAA00 KPIT 101225
FFWPIT
OHC031-121-111500-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING - EXTENDED
NATIONAL WEATHER SERVICE PITTSBURGH PA
825 AM EDT FRI JUL 10 1998

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS EXTENDED THE

* FLOOD WARNING FOR...
  COSHOCTON COUNTY IN EAST CENTRAL OHIO.
  NOBLE COUNTY IN EAST CENTRAL OHIO.

* UNTIL 1100 AM EDT SATURDAY.

* AREA LAW ENFORCEMENT INDICATED SEVERAL ROADS REMAIN CLOSED DUE
TO FLOODING IN THE AFFECTED COUNTIES.
r
<<CALL TO ACTION>>DON'T DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD!

.END/RS

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 10, 8:25 AM EDTFlash Flood WarningPBZCoshocton3 hr

Nearby

Flash Flood Warnings in Ohio, 1998Every flash flood warning in 1998

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.