Alert archive / Pennsylvania / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Cleveland, OH

May 10, 2004Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at May 10, 2004, 4:36 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
May 10, 2004, 4:36 PM EDT (20:36 UTC)
Expired
May 10, 2004, 7:30 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 20:38 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, 8.6 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 2004-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2004-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
89 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 102039
FFWCLE
PAC049-102330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
436 PM EDT MON MAY 10 2004

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 730 PM EDT

* AT 431 PM EDT WEATHER SERVICE RADAR INDICATED...A SMALL CLUSTER OF 
THUNDERSTORMS SLOWLY MOVING EAST ACROSS INLAND ERIE COUNTY BETWEEN 
EDINBORO...WATERFORD AND MILL VILLAGE.  RADAR ESTIMATES THAT AROUND 
3 INCHES OF RAIN MAY HAVE FALLEN IN THIS AREA FROM THE STORMS SINCE 
4 PM.  AN ADDITIONAL INCH OF RAINFALL MAY OCCUR IN THIS AREA THROUGH 
5 PM.

* SOME LOCATIONS AFFECTED INCLUDE...
  CORRY
  EDINBORO
  UNION CITY
  WATERFORD
  WATTSBURG

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.
$$
ADAMS
1 follow-up statement
000 
WGUS71 KCLE 102341
FFSCLE
PAC049-110030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
737 PM EDT MON MAY 10 2004

...FLASH FLOOD WARNING HAS EXPIRED FOR ERIE COUNTY PENNSYLVANIA...

SOME WATER MAY STILL BE OVER ROADS IN SOUTHERN ERIE COUNTY 
PENNSYLVANIA AND SOME STREAMS MAY BE OUT OF THEIR BANKS. HOWEVER THE 
HEAVY RAIN HAS ENDED SO THE HIGH WATER WILL SLOWLY RECEDE. 
HOWEVER...PEOPLE SHOULD NOT DRIVE THROUGH FLOODED ROADS AS THE WATER 
MAY BE DEEPER THAN YOU THINK AND STAY AWAY FROM FLOODED STREAMS.
$$

KIELTYKA

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 3:59 PM EDTSevere Thunderstorm WarningCLEErie61 min
May 10, 4:58 PM EDTSevere Thunderstorm WarningCLEErie62 min
May 10, 5:41 PM EDTSevere Thunderstorm WarningCLECrawford64 min
May 10, 6:43 PM EDTSevere Thunderstorm WarningCLECrawford62 min

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.