Alert archive / Pennsylvania / Flash Flood Warnings in 2006

Flash Flood Warning 21, NWS Pittsburgh, PA

June 25, 2006Butler County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Jun 25, 2006, 6:09 PM EDT for Butler County, Pennsylvania. 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 outline as issued.

The facts

Issued
Jun 25, 2006, 6:09 PM EDT (22:09 UTC)
Expired
Jun 25, 2006, 9:15 PM EDT
In force
3 hr
Issued by
NWS Pittsburgh, PA
Area
Counties, with a storm outline in the text

County Butler County, PA

The radar

The Pittsburgh radar (KPBZ), 45 km from the middle of the area, began a volume at 22:09 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, 10.2 hours before the alert went out and 49 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 2006-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 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 2006-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
267 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
74 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 
WGUS51 KPBZ 252212
FFWPBZ
PAC019-260115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
609 PM EDT SUN JUN 25 2006

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BUTLER COUNTY IN PENNSYLVANIA

* UNTIL 915 PM EDT

* AT 604 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  RAIN CONTINUING TO FALL IN BUTLER COUNTY. THE EMERGENCY OPERATIONS 
  CENTER REPORTS THAT ROADS ARE FLOODED IN CABOT, HERMIN AND OTHER
  AREAS IN THE SOUTHEAST PORTION OF THE COUNTY. FLOODING CAN OCCUR 
  IN OTHER SECTIONS OF THE COUNTY AS RAINFALL CONTINUES.

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.

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...1-877-633-6772.

LAT...LON 4086 7974 4070 7972 4070 7994 4088 7998

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 9:05 AM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more56 hr
Jun 25, 10:33 AM EDTFlash Flood WarningPBZArmstrong3 hr
Jun 25, 12:40 PM EDTFlash Flood WarningPBZIndiana, Jefferson3 hr
Jun 25, 12:55 PM EDTFlash Flood WarningPBZIndiana3 hr
Jun 25, 1:09 PM EDTFlash Flood WarningPBZArmstrong3 hr
Jun 25, 1:14 PM EDTFlash Flood WarningPBZJefferson3 hr
Jun 25, 3:18 PM EDTFlash Flood WarningPBZButler3 hr
Jun 25, 3:40 PM EDTFlash Flood WarningPBZIndiana, Jefferson3 hr
Jun 25, 4:10 PM EDTFlash Flood WarningPBZArmstrong3 hr
Jun 25, 6:38 PM EDTFlash Flood WarningPBZIndiana, Jefferson3 hr
Jun 25, 6:45 PM EDTFlash Flood WarningPBZWestmoreland3 hr
Jun 25, 7:11 PM EDTFlash Flood WarningPBZArmstrong3 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2006Every flash flood warning in 2006

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.