Alert archive / Pennsylvania / Flash Flood Warnings in 2017

Flash Flood Warning 8, NWS Cleveland, OH

June 18, 2017Erie County, Pennsylvania; Ashtabula County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 18, 2017, 6:25 PM EDT for Erie County, Pennsylvania; Ashtabula County, Ohio. It was in force for 4 hr. 6 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
Jun 18, 2017, 6:25 PM EDT (22:25 UTC)
Expired
Jun 18, 2017, 10:30 PM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Ashtabula County, OH, Erie County, PA

The radar

The Cleveland radar (KCLE), 141 km from the middle of the area, began a volume at 22:26 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
Jun 18, 6:50 PM EDTFLASH FLOODLake City, PAWATER RESCUE FROM STRANDED CARS WITH WATER UP TO THE WINDOWS.
Jun 18, 6:50 PM EDTFLASH FLOODLake City, PAWATER RESCUE FROM STRANDED CARS WITH WATER UP TO THE WINDOWS. RIDGE STREET AND IMPERIAL PARKWAY
Jun 18, 7:00 PM EDTFLASH FLOODFairview, PAWATER RESCUE OF PEOPLE STRANDED IN CARS STATE ROUTE 98 IN FAIRVIEW
Jun 18, 7:15 PM EDTFLASH FLOODGirard, PATOWNLINE ROAD BETWEEN RT 20 AND LUCAS ROAD COMPLETELY WASHED OUT.
Jun 18, 8:05 PM EDTHEAVY RAIN 4Lake City, PA6 HOUR STORM TOTAL.
Jun 18, 8:05 PM EDTHEAVY RAIN 4.6S Girard, PA6 HOUR STORM TOTAL. CORRECTED LOCATION.

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 12:00Z, 10.4 hours before the alert went out and 171 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 2017-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 199 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 2017-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 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
199 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

583 
WGUS51 KCLE 182225
FFWCLE
OHC007-PAC049-190230-
/O.NEW.KCLE.FF.W.0008.170618T2225Z-170619T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
625 PM EDT SUN JUN 18 2017

The National Weather Service in Cleveland has issued a

* Flash Flood Warning for...
  Northeastern Ashtabula County in northeastern Ohio...
  Southwestern Erie County in northwestern Pennsylvania...

* Until 1030 PM EDT

* At 625 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between three and four inches 
  of rain have already fallen. Flash flooding is expected to begin 
  shortly.

* Some locations that will experience flooding include...
  Conneaut, Girard, North Kingsville, Lake City, Platea, McKean,
  Kelloggsville, Avonia and Middleboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4200 8014 4184 8062 4195 8064 4204 8035
      4210 8020

$$

King
2 follow-up statements
096 
WGUS71 KCLE 182312
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
712 PM EDT SUN JUN 18 2017

OHC007-PAC049-190230-
/O.CON.KCLE.FF.W.0008.000000T0000Z-170619T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashtabula OH-Erie PA-
712 PM EDT SUN JUN 18 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR
NORTHEASTERN ASHTABULA AND SOUTHWESTERN ERIE COUNTIES...

At 707 PM EDT, local law enforcement reported flash flooding in the 
Fairview and Girard areas. Water rescues were occurring on State 
Route 98 and Middle Road in Fairview where cars were inundated with 
water. 

Some locations that will experience flooding include...
Conneaut, Fairview, Girard, North Kingsville, Lake City, Platea, 
McKean, Kelloggsville, Avonia and Middleboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles. Never drive into a flooded roadway.

&&

LAT...LON 4200 8014 4184 8062 4195 8064 4204 8035
      4210 8020

$$

Kosarik
602 
WGUS71 KCLE 190100
FFSCLE

Flash Flood Statement
National Weather Service Cleveland OH
900 PM EDT SUN JUN 18 2017

OHC007-PAC049-190230-
/O.CON.KCLE.FF.W.0008.000000T0000Z-170619T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ashtabula OH-Erie PA-
900 PM EDT SUN JUN 18 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR
NORTHEASTERN ASHTABULA AND SOUTHWESTERN ERIE COUNTIES...

At 848 PM EDT, emergency management reported flash flooding in 
Millcreek Township where between 4 and 5 inches of rain have fallen 
early this evening. 

Flooding in Millcreek Township included an estimated 100 homes in 
the area that were damaged by flood water or had significant 
basement flooding. Ten roads were also reported closed and one home 
located on a bluff that collapsed due to flowing flood water.

Significant flooding was occurred in Fairview and Lake City where 
stranded motorists had to be rescued from their cars, some with 
water to the windows. 

Additional flooding in the area is very likely. 

Some locations that will experience flooding include...
Conneaut, Girard, North Kingsville, Lake City, Platea, McKean,
Kelloggsville, Avonia and Middleboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 4200 8014 4184 8062 4195 8064 4204 8035
      4210 8020

$$

King

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 1:31 PM EDTSevere Thunderstorm WarningCLECrawford44 min
Jun 18, 2:06 PM EDTSpecial Weather StatementCLECrawford, Erie24 min
Jun 18, 2:40 PM EDTSevere Thunderstorm WarningCLECrawford, Erie65 min
Jun 18, 6:10 PM EDTSevere Thunderstorm WarningCLECrawford, Erie50 min
Jun 18, 6:37 PM EDTSevere Thunderstorm WarningCLECrawford, Erie68 min
Jun 18, 6:50 PM EDTFlash Flood WarningCLEErie11 hr
Jun 18, 6:53 PM EDTAreal Flood AdvisoryCLECrawford, Erie4 hr
Jun 18, 12:57 PM EDTSpecial Weather StatementCLECuyahoga, Geauga, Holmes, Mahoning, Portage, Stark and 3 more18 min
Jun 18, 1:48 PM EDTSpecial Marine WarningCLE117 min
Jun 18, 2:29 PM EDTSpecial Weather StatementCLEMahoning, Trumbull31 min
Jun 18, 5:31 PM EDTSpecial Weather StatementCLEAshtabula, Geauga, Lake, Trumbull44 min
Jun 18, 6:33 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Trumbull57 min
Jun 18, 7:29 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull46 min
Jun 18, 7:54 PM EDTAreal Flood AdvisoryCLEMahoning, Trumbull2 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2017Flash Flood Warnings in Ohio, 2017Every flash flood warning in 2017

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.