Alert archive / Ohio / Flash Flood Warnings in 2002

Flash Flood Warning 7, NWS Pittsburgh, PA

April 19, 2002Carroll County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Apr 19, 2002, 6:32 PM EDT for Carroll 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
Apr 19, 2002, 6:32 PM EDT (22:32 UTC)
Expired
Apr 19, 2002, 9:30 PM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Carroll County, OH

The radar

The Pittsburgh radar (KPBZ), 74 km from the middle of the area, began a volume at 22:36 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, 10.5 hours before the alert went out and 86 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 2002-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 786 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2002-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 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
786 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1400 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KPBZ 192232
FFWPBZ
OHC019-200130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
630 PM EDT FRI APR 19 2002

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CARROLL COUNTY IN OHIO

* UNTIL 930 PM EDT

* AT 630 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED 1.5 TO 2  
  INCHES OF RAIN HAS FALLEN OVER PORTIONS OF THE COUNTY IN THE PAST  
  HOUR. LAW ENFORCEMENT REPORTS THAT WATER IS BEGINNING TO FLOW      
  ACROSS ROADS BETWEEN DELROY AND SHERODSVILLE.

* OTHER LOCATIONS IN THE WARNING INCLUDE...CARROLLTON AND MALVERN...

<<CALL TO ACTION>>DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE
WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW
YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 5:02 PM EDTSevere Thunderstorm WarningPBZTuscarawas28 min
Apr 19, 5:08 PM EDTSevere Thunderstorm WarningPBZCarroll, Harrison52 min
Apr 19, 5:41 PM EDTSevere Thunderstorm WarningPBZJefferson64 min
Apr 19, 5:45 PM EDTSevere Thunderstorm WarningPBZTuscarawas60 min
Apr 19, 5:56 PM EDTSevere Thunderstorm WarningPBZCoshocton64 min
Apr 19, 6:00 PM EDTSevere Thunderstorm WarningPBZCarroll60 min
Apr 19, 6:43 PM EDTSevere Thunderstorm WarningPBZJefferson62 min
Apr 19, 6:50 PM EDTFlash Flood WarningPBZJefferson3 hr
Apr 19, 6:55 PM EDTSevere Thunderstorm WarningPBZHarrison65 min
Apr 19, 7:53 PM EDTSevere Thunderstorm WarningPBZBelmont37 min

Nearby

Flash Flood Warnings in Ohio, 2002Every flash flood warning in 2002

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.