Alert archive / Pennsylvania / Flash Flood Warnings in 2004

Flash Flood Warning 29, NWS Cleveland, OH

July 12, 2004Crawford County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Jul 12, 2004, 12:13 PM EDT for Crawford County, Pennsylvania. 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 outline as issued.

The facts

Issued
Jul 12, 2004, 12:13 PM EDT (16:13 UTC)
Expired
Jul 12, 2004, 4:15 PM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

County Crawford County, PA

The radar

The Pittsburgh radar (KPBZ), 129 km from the middle of the area, began a volume at 16:14 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, 4.2 hours before the alert went out and 142 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 2004-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 286 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 2004-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
286 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
794 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
95 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 
WGUS51 KCLE 121614
FFWCLE
PAC039-122015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1213 PM EDT MON JUL 12 2004

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA...

* UNTIL 415 PM EDT

* AT 1207 PM EDT WEATHER SERVICE RADAR INDICATED..

* SOME LOCATIONS AFFECTED INCLUDE...
  CAMBRIDGE SPRINGS
  MEADVILLE
  TITUSVILLE

SHOWERS AND THUNDERSTORMS WERE MOVING ACROSS THE COUNTY AND WITH THE 
GROUND SATURATED FROM PREVIOUS RAIN AN INCH TO TWO INCHES OF RAIN 
LATE THIS MORNING AND EARLY AFTERNOON WAS CAUSING SOME FLOODING.

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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.

LAT...LON 4183 7979 4145 7980 4146 8031 4184 8030

$$
2 follow-up statements
000 
WGUS71 KCLE 121802
FFSCLE
PAC039-121900-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
200 PM EDT MON JUL 12 2004

THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR CRAWFORD COUNTY 
PENNSYLVANIA UNTIL 415 PM EDT.

MOST OF THE HEAVY RAIN THAT PROMPTED THE FLASH FLOOD WARNING HAS 
MOVED OUT OF THE COUNTY. HOWEVER...SCATTERED SHOWERS AND 
THUNDERSTORMS WILL BE MOVING THROUGH THE COUNTY FOR THE REST OF THE 
AFTERNOON. SINCE THE GROUND IS SATURATED THIS ADDITIONAL RAINFALL 
COULD CAUSE MORE FLOODING.

HEAVY RAIN FELL OVER PARTS OF CRAWFORD COUNTY PENNSYLVANIA LAST 
NIGHT AND SOME LOCATIONS RECEIVED UP TO AN INCH AND A HALF OF RAIN 
FROM LATE THIS MORNING THROUGH EARLY THIS AFTERNOON. AS OF 145 PM 
SOME ROADS WERE STILL FLOODED BECAUSE OF THE HEAVY RAIN. ONE ROAD IN 
SOUTHERN MEADVILLE FOR A TIME HAD 3 TO 4 FEET OF WATER ON IT.

EXCESSIVE RUNOFF FROM THESE STORMS COULD CAUSE LOCAL FLOODING OF
SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

$$
KIELTYKA
000 
WGUS71 KCLE 121909
FFSCLE
PAC039-122015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
305 PM EDT MON JUL 12 2004

THE FLASH FLOOD WARNING REMAINS IN EFFECT FOR CRAWFORD COUNTY 
PENNSYLVANIA UNTIL 415 PM EDT.

MOST OF THE HEAVY RAIN THAT PROMPTED THE FLASH FLOOD WARNING HAS 
MOVED OUT OF THE COUNTY. HOWEVER...SCATTERED SHOWERS AND 
THUNDERSTORMS WILL BE MOVING THROUGH THE COUNTY FOR THE REST OF THE 
AFTERNOON. 

HIGH WATER REMAINED ON SOME ROADS. HOWEVER...SINCE THE HEAVY RAIN HAS
ENDED THE WATER WILL SLOWLY RECEDE. HOWEVER...ADDITIONAL SHOWERS AND 
THUNDERSTORMS THAT MAY MOVE ACROSS THE SATURATED GROUND MAY CAUSE 
MORE FLOODING. PEOPLE IN CRAWFORD COUNTY PENNSYLVANIA NEED TO BE 
ALERT IF THIS OCCURS.


$$
KIELTYKA

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 5:09 AM EDTFlash Flood WarningCLECrawford3 hr
Jul 12, 12:44 PM EDTFlash Flood WarningCLEErie4 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2004Every flash flood warning in 2004

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.