Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 95, NWS Pittsburgh, PA

May 11, 1996Carroll County, Columbiana County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at May 11, 1996, 9:55 AM EDT for Carroll County, Columbiana 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
May 11, 1996, 9:55 AM EDT (13:55 UTC)
Expired
May 11, 1996, 1:00 PM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Carroll County, OH, Columbiana County, OH

The radar

The Pittsburgh radar (KPBZ), 62 km from the middle of the area, began a volume at 13:55 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, 1.9 hours before the alert went out and 76 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 1996-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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 1996-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
70 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
565 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 10, 8:47 PM EDTSevere Thunderstorm WarningPBZLawrence, Mercer58 min
May 10, 9:45 PM EDTSevere Thunderstorm WarningPBZButler45 min
May 11, 11:09 AM EDTFlash Flood WarningPBZLawrence, Mercer5 hr
May 11, 11:09 AM EDTFlash Flood WarningPBZClarion, Forest, Venango5 hr
May 11, 11:09 AM EDTFlash Flood WarningPBZJefferson5 hr
May 11, 3:59 PM EDTFlash Flood WarningPBZLawrence, Mercer, Venango6 hr
May 11, 3:59 PM EDTFlash Flood WarningPBZForest6 hr
May 10, 8:15 PM EDTTornado WarningPBZColumbiana60 min
May 10, 8:34 PM EDTSevere Thunderstorm WarningPBZCarroll, Harrison56 min
May 10, 8:47 PM EDTSevere Thunderstorm WarningPBZGuernsey58 min
May 11, 9:30 AM EDTFlash Flood WarningPBZTuscarawas4 hr
May 11, 1:00 PM EDTFlash Flood WarningPBZCarroll, Columbiana3 hr
May 11, 4:05 PM EDTFlash Flood WarningPBZColumbiana6 hr

Nearby

Flash Flood Warnings in Ohio, 1996Every flash flood warning in 1996

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.