Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 80, NWS Pittsburgh, PA

June 16, 1998Muskingum County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Jun 16, 1998, 2:50 PM EDT for Muskingum County, Ohio. It was in force for 4 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
Jun 16, 1998, 2:50 PM EDT (18:50 UTC)
Expired
Jun 16, 1998, 6:50 PM EDT
In force
4 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Muskingum County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.8 hours before the alert went out and 164 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 1998-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 419 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, Pittsburgh, PA at 12:00Z on 1998-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
419 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIT 161850
FFWPIT
OHC119-162250-

BULLETIN - EAS ACTIVIATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
250 PM EDT TUE JUN 16 1998

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MUSKINGUM COUNTY IN EAST CENTRAL OHIO.

* UNTIL 650 PM EDT.

* AT 250 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AN AREA OF VERY HEAVY RAIN WESTERN HALF OF MUSKINGUM COUNTY...
  MOVING NORTHEAST AT 25 MPH.

* RAINFALL OF 1-2 INCHES PER HOUR WITH THESE HEAVY DOWNPOURS WILL
  PRODUCE RAPID STREAM RISES IN THE WESTERN HALF OF MUSKINGUM
COUNTY.
  .

<<CALL TO ACTION>>DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH
FLOOD DEATHS OCCUR IN AUTOMOBILES.

.END/DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 8:13 PM EDTFlash Flood WarningPBZMuskingum, Noble3 hr
Jun 16, 2:40 PM EDTSevere Thunderstorm WarningPBZMuskingum58 min
Jun 16, 3:05 PM EDTFlash Flood WarningPBZGuernsey, Noble4 hr
Jun 16, 3:14 PM EDTSevere Thunderstorm WarningPBZGuernsey, Noble57 min
Jun 16, 3:34 PM EDTSevere Thunderstorm WarningPBZMonroe59 min
Jun 16, 3:36 PM EDTSevere Thunderstorm WarningPBZBelmont59 min
Jun 16, 3:41 PM EDTFlash Flood WarningPBZBelmont, Monroe4 hr
Jun 16, 3:48 PM EDTSevere Thunderstorm WarningPBZHarrison, Tuscarawas55 min
Jun 16, 3:58 PM EDTSevere Thunderstorm WarningPBZJefferson59 min
Jun 16, 4:48 PM EDTSevere Thunderstorm WarningPBZColumbiana60 min
Jun 16, 5:27 PM EDTFlash Flood WarningPBZColumbiana4 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.