Alert archive / Pennsylvania / Flash Flood Warnings in 2003

Flash Flood Warning 38, NWS Cleveland, OH

August 5, 2003Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Aug 5, 2003, 7:06 PM EDT for Erie 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 counties it named.

The facts

Issued
Aug 5, 2003, 7:06 PM EDT (23:06 UTC)
Expired
Aug 5, 2003, 10:00 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

The radar

The Buffalo radar (KBUF), 145 km from the middle of the area, began a volume at 23:09 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.1 hours before the alert went out and 146 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, Buffalo Intl Airport, NY at 12:00Z on 2003-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 268 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, Buffalo Intl Airport, NY at 12:00Z on 2003-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
268 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1016 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
13 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 KCLE 052308
FFWCLE
PAC049-060200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
706 PM EDT TUE AUG 5 2003

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 1000 PM EDT

* AT 704 PM EDT WEATHER SERVICE RADAR INDICATED THE THUNDERSTORM 
THAT CAUSED HEAVY RAIN IN THE CORRY AREA WAS MOVING NORTH. ALMOST 
TWO AND THREE QUARTERS OF AN INCH OF RAIN /2.7/ FELL IN 45 MINUTES 
IN CORRY. SOME STREET FLOODING WAS REPORTED. MORE FLOODING MAY OCCUR 
UNTIL THE WATER BEGINS TO RECEDE LATER THIS EVENING.

* SOME LOCATIONS AFFECTED INCLUDE...
  CORRY

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.

$$
2 follow-up statements
000 
WGUS71 KCLE 060050
FFSCLE
PAC049-060145-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
842 PM EDT TUE AUG 5 2003

THE FLASH FLOOD WARNING CONTINUES UNTIL 10 PM EDT FOR ERIE COUNTY 
PENNSYLVANIA MAINLY IN THE CORRY AREA OF THE EXTREME EASTERN PORTION 
OF THE COUNTY.

DOPPLER RADAR AT 840 PM EDT WAS SHOWING THAT ISOLATED SHOWERS WERE 
STILL OCCURRING OVER EXTREME EASTERN ERIE COUNTY PENNSYLVANIA. 
HOWEVER...THE HEAVY RAINS HAVE ENDED AT MOST LOCATIONS IN THAT PART 
OF THE COUNTY.

A NATIONAL WEATHER SERVICE SPOTTER REPORTED ALMOST TWO AND THREE 
QUARTERS OF AN INCH OF RAIN FELL BETWEEN 615 PM AND 7 PM. SOME ROADS 
WERE FLOODED AND SOME STREAMS WERE OUT OF THEIR BANKS. THE CORRY 
POLICE AT 810 PM SAID THE HIGH WATER WAS NOT RECEDING YET AND A 
COUPLE OF ROADS WERE CLOSED.

PEOPLE IN AND AROUND EXTREME EASTERN ERIE COUNTY PENNSYLVANIA SHOULD 
NOT DRIVE THROUGH FLOODED ROADS AS THE WATER MAY BE DEEPER THAN YOU 
THINK.
$$
KIELTYKA
000 
WGUS71 KCLE 060208
FFSCLE
PAC049-060300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1003 PM EDT TUE AUG 5 2003

THE FLASH FLOOD WARNING FOR ERIE COUNTY PENNSYLVANIA HAS EXPIRED.

ALMOST 3 INCHES OF RAIN FELL IN CORRY IN A 45 MINUTE PERIOD THIS 
EVENING. SOME ROADS WERE STILL FLOODED IN THE CITY OF CORRY AND SOME 
STREAMS WERE STILL HIGH. HOWEVER...THE HEAVY RAINS HAVE ENDED AND IT 
SHOULD BE GENERALLY DRY FOR THE REST OF THE NIGHT SO THE WATER 
SHOULD CONTINUE TO RECEDE.

PEOPLE SHOULD NOT DRIVE ACROSS FLOODED ROADS AS THE WATER MAY BE 
DEEPER THAN YOU THINK.
$$

KIELTYKA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 12:15 PM EDTSevere Thunderstorm WarningCLEErie60 min
Aug 5, 1:00 PM EDTFlash Flood WarningCLEErie4 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2003Every flash flood warning in 2003

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.