Alert archive / Pennsylvania / Flash Flood Warnings in 2016

Flash Flood Warning 2, NWS Cleveland, OH

August 10, 2016Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Aug 10, 2016, 1:03 AM EDT for Erie County, Pennsylvania. It was in force for 6 hr. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 10, 2016, 1:03 AM EDT (05:03 UTC)
Expired
Aug 10, 2016, 7:00 AM EDT
In force
6 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

County Erie County, PA

The radar

The Buffalo radar (KBUF), 139 km from the middle of the area, began a volume at 05:06 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.

What was reported inside it

TimeReportWhereRemark
Aug 10, 1:20 AM EDTFLASH FLOODErie, PAMANHOLE COVERS POPPED NEAR BAYFRONT. REPORTED THROUGH TV STATION WICU.
Aug 10, 1:25 AM EDTFLASH FLOODErie, PASEVERAL VEHICLES REPORTED STRANDED IN WATER.
Aug 10, 4:20 AM EDTFLASH FLOOD2 Sw Erie, PAFLASH FLOODING ACROSS SEVERAL AREAS OF MILLCREEK TOWNSHIP. LAKEFRONT DRIVE HARDEST HIT WITH 20-30 CARS STRANDED AND SEVERAL CARS FLOATING.
Aug 10, 4:39 AM EDTHEAVY RAIN 3.792 Sse Erie, PAREPORTED AT 3514 STATE STREET ERIE, PA. WICU/WSEE TV STATION. THIS IS A RAINFALL TOTAL SINCE 11 PM. .
Aug 10, 4:42 AM EDTHEAVY RAIN 3.14 Wsw Erie, PAPRESQUE ISLE STATE PARK RAIN GAUGE. RAINFALL SINCE 11 PM. .
Aug 10, 5:00 AM EDTHEAVY RAIN 4.075 Ne Fairview, PAREPORTED AT TOM RIDGE FIELD. RAINFALL TOTAL FROM MIDNIGHT THROUGH 5 AM.
Aug 10, 5:02 AM EDTHEAVY RAIN 5.24Erie, PA3 INCHES FELL IN 30 MIN. STANDING WATER IN THE YARD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 5.1 hours before the alert went out and 140 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 00:00Z on 2016-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 00:00Z on 2016-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
21 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
1813 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

504 
WGUS51 KCLE 100503
FFWCLE
PAC049-101100-
/O.NEW.KCLE.FF.W.0002.160810T0503Z-160810T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
103 AM EDT WED AUG 10 2016

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN ERIE COUNTY IN NORTHWESTERN PENNSYLVANIA...

* UNTIL 700 AM EDT

* AT 101 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. ADDITIONAL THUNDERSTORMS THROUGH 230 AM WILL ONLY
  ADD TO THE RUNOFF. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ERIE...NORTH EAST...GIRARD...NORTHWEST HARBORCREEK...HARBORCREEK...
  LAWRENCE PARK...WESLEYVILLE...LAKE CITY...PLATEA...MCKEAN...
  FAIRVIEW...AVONIA...NORTHWEST HARBORCR AND MIDDLEBORO.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.

LAT...LON 4227 7976 4209 7976 4191 8051 4200 8051
      4211 8021 4214 8018 4226 7987 4227 7983

$$

MULLEN
2 follow-up statements
787 
WGUS71 KCLE 100631
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
231 AM EDT WED AUG 10 2016

PAC049-101100-
/O.CON.KCLE.FF.W.0002.000000T0000Z-160810T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ERIE PA-
231 AM EDT WED AUG 10 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM EDT FOR
CENTRAL ERIE COUNTY...

AT 228 AM EDT...DOPPLER RADAR INDICATED SCATTERED TO NUMEROUS
THUNDERSTORMS PRODUCING LOCALLY HEAVY RAIN ACROSS THE WARNED AREA.
UP TO THREE INCHES OF RAIN HAS ALREADY FALLEN. WATER LEVELS WILL
FLUCTUATE AS THE HEAVY RAIN PASSES. ANY LOW LYING AREAS LIKELY HAVE
WATER OR COULD QUICKLY FILL BACK IN WITH THE HEAVIEST DOWNPOURS. 

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
ERIE...NORTH EAST...GIRARD...NORTHWEST HARBORCREEK...HARBORCREEK...
LAWRENCE PARK...WESLEYVILLE...LAKE CITY...PLATEA...MCKEAN...
FAIRVIEW...AVONIA...NORTHWEST HARBORCR AND MIDDLEBORO.

ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH ARE POSSIBLE IN THE
WARNED AREA.

LAT...LON 4227 7976 4209 7976 4191 8051 4200 8051
      4211 8021 4214 8018 4226 7987 4227 7983

$$

MULLEN
855 
WGUS71 KCLE 101056
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
656 AM EDT WED AUG 10 2016

PAC049-101104-
/O.EXP.KCLE.FF.W.0002.000000T0000Z-160810T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ERIE PA-
656 AM EDT WED AUG 10 2016

...THE FLASH FLOOD WARNING FOR CENTRAL ERIE COUNTY WILL EXPIRE AT 700
AM EDT...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 4227 7976 4209 7976 4191 8051 4200 8051
      4211 8021 4214 8018 4226 7987 4227 7983

$$

MULLEN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 3:36 AM EDTAreal Flood AdvisoryCLECrawford, Erie5 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2016Every flash flood warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.