Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 143, NWS Pittsburgh, PA

June 29, 1998Carroll County, Jefferson County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Jun 29, 1998, 7:32 PM EDT for Carroll County, Jefferson 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
Jun 29, 1998, 7:32 PM EDT (23:32 UTC)
Expired
Jun 29, 1998, 11:00 PM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Carroll County, OH, Jefferson County, OH

The radar

The Pittsburgh radar (KPBZ), 60 km from the middle of the area, began a volume at 23:33 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

Pittsburgh, PA (KPIT), launched 12:00Z, 11.5 hours before the alert went out and 70 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 1998-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 624 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 1998-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
624 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 29, 1:36 PM EDT, 5 hours 56 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:17 PM EDTSevere Thunderstorm WarningPBZGuernsey58 min
Jun 28, 8:49 PM EDTFlash Flood WarningPBZJefferson4 hr
Jun 28, 8:50 PM EDTSevere Thunderstorm WarningPBZNoble55 min
Jun 28, 8:54 PM EDTSevere Thunderstorm WarningPBZMonroe61 min
Jun 28, 9:47 PM EDTFlash Flood WarningPBZCoshocton, Guernsey, Muskingum, Noble13 hr
Jun 28, 9:47 PM EDTFlash Flood WarningPBZBelmont, Harrison, Monroe13 hr
Jun 28, 9:47 PM EDTFlash Flood WarningPBZTuscarawas13 hr
Jun 29, 5:24 AM EDTSevere Thunderstorm WarningPBZTuscarawas51 min
Jun 29, 5:33 AM EDTSevere Thunderstorm WarningPBZCarroll42 min
Jun 29, 10:04 AM EDTFlash Flood WarningPBZCoshocton, Guernsey, Muskingum, Tuscarawas13 hr
Jun 29, 10:04 AM EDTFlash Flood WarningPBZBelmont, Monroe, Noble13 hr
Jun 29, 10:04 AM EDTFlash Flood WarningPBZHarrison13 hr
Jun 29, 11:32 AM EDTSevere Thunderstorm WarningPBZCarroll, Tuscarawas43 min
Jun 28, 8:36 PM EDTSevere Thunderstorm WarningPBZWashington74 min
Jun 28, 8:40 PM EDTTornado WarningPBZWashington60 min
Jun 28, 9:20 PM EDTSevere Thunderstorm WarningPBZGreene70 min
Jun 28, 9:25 PM EDTFlash Flood WarningPBZGreene4 hr
Jun 28, 9:44 PM EDTSevere Thunderstorm WarningPBZFayette61 min
Jun 28, 8:34 PM EDTSevere Thunderstorm WarningPBZBrooke, Ohio41 min
Jun 28, 9:58 PM EDTSevere Thunderstorm WarningPBZPreston62 min
Jun 28, 10:23 PM EDTFlash Flood WarningPBZMarion6 hr
Jun 28, 10:23 PM EDTFlash Flood WarningPBZPreston6 hr
Jun 28, 10:36 PM EDTSevere Thunderstorm WarningPBZTucker59 min
Jun 28, 10:38 PM EDTFlash Flood WarningPBZTucker5 hr
Jun 29, 8:26 AM EDTFlash Flood WarningPBZMarshall3 hr
Jun 29, 1:09 PM EDTFlash Flood WarningPBZWetzel5 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; radar from the NEXRAD Level II archive.