Alert archive / Pennsylvania / Flash Flood Warnings in 2018

Flash Flood Warning 21, NWS Binghamton, NY

August 3, 2018Bradford County, Susquehanna County, Wyoming County, Pennsylvania

NWS Binghamton, NY issued this flash flood warning at Aug 3, 2018, 2:32 PM EDT for Bradford County, Susquehanna County, Wyoming County, Pennsylvania. It was in force for 3 hr. 1 report 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 3, 2018, 2:32 PM EDT (18:32 UTC)
Expired
Aug 3, 2018, 5:30 PM EDT
In force
3 hr
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

Counties Bradford County, PA, Susquehanna County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 67 km from the middle of the area, began a volume at 18:33 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 3, 3:30 PM EDTFLASH FLOODLaceyville, PAWATER OVER WYALUSING-NEW ALBANY ROAD. UNNAMED STREAM AT SUGAR RUN BANK FULL. SUGAR RUN FLOODING IN LOW LYING AREAS BETWEEN WYALUSING-NEW ALBANY ROAD AND SUSQUEHANNA RIVER.

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

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.5 hours before the alert went out and 230 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, Albany, NY at 12:00Z on 2018-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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, Albany, NY at 12:00Z on 2018-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
98 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

062 
WGUS51 KBGM 031832
FFWBGM
PAC015-115-131-032130-
/O.NEW.KBGM.FF.W.0021.180803T1832Z-180803T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
232 PM EDT FRI AUG 3 2018

The National Weather Service in Binghamton has issued a

* Flash Flood Warning for...
  Southwestern Susquehanna County in northeastern Pennsylvania...
  Southeastern Bradford County in northeastern Pennsylvania...
  Northwestern Wyoming County in northeastern Pennsylvania...

* Until 530 PM EDT.
  
* At 229 PM EDT, Doppler radar indicated another round of 
  thunderstorms producing heavy rain across the warned area. Some 
  areas of Bradford, Wyoming and Susquehanna counties have already 
  seen up to 2.5 inches of rain this morning. 

* Some locations that will experience flooding include...
  Rush, Wilmot, Hollenback, Mehoopany, Wyalusing, Meshoppen,
  Forkston, Laceyville, New Albany and Rushville.

Flash flooding was reported earlier today around New Albany 
township, including flooding of the library and Route 220. Flash 
flooding of small streams, creeks and developed areas is likely to 
redevelop this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 4154 7622 4155 7639 4160 7649 4166 7642
      4182 7613 4183 7602 4164 7597 4155 7607
      4147 7624

$$

JAB
1 follow-up statement
307 
WGUS71 KBGM 032014
FFSBGM

Flash Flood Statement
National Weather Service Binghamton NY
414 PM EDT FRI AUG 3 2018

PAC015-115-131-032130-
/O.CON.KBGM.FF.W.0021.000000T0000Z-180803T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Susquehanna PA-Bradford PA-Wyoming PA-
414 PM EDT FRI AUG 3 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
SOUTHWESTERN SUSQUEHANNA...SOUTHEASTERN BRADFORD AND NORTHWESTERN
WYOMING COUNTIES...

At 411 PM EDT, Doppler radar continued to show periods of moderate 
to heavy rain passing through the warned area. Emergency management 
in Bradford county had reported extensive flooding throughout New 
Albany. Several bridges have been overtopped, and flood waters were 
affecting the library and Post Office. Ladds Creek was flooding 
these areas in town. Additional rain into this evening will continue 
to cause flooding.

Some locations that will experience flooding include... 
Rush, Wilmot, Hollenback, Mehoopany, Wyalusing, Meshoppen, Forkston, 
Laceyville, New Albany and Rushville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 4154 7622 4155 7639 4160 7649 4166 7642
      4182 7613 4183 7602 4164 7597 4155 7607
      4147 7624

$$

JAB

The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 5:21 AM EDTAreal Flood AdvisoryBGMBradford, Susquehanna, Wyoming3 hr
Aug 3, 7:32 AM EDTFlash Flood WarningBGMBradford, Susquehanna, Wyoming118 min
Aug 3, 9:28 AM EDTFlash Flood WarningBGMBradford, Susquehanna, Wyoming3 hr
Aug 3, 9:46 AM EDTAreal Flood AdvisoryBGMSusquehanna, Wayne119 min
Aug 3, 12:30 PM EDTAreal Flood AdvisoryBGMBradford, Susquehanna, Wyoming3 hr
Aug 3, 2:05 PM EDTSpecial Weather StatementBGMLuzerne40 min
Aug 3, 2:10 PM EDTSpecial Weather StatementBGMWyoming65 min
Aug 3, 2:28 PM EDTSpecial Weather StatementBGMWayne47 min
Aug 3, 2:52 PM EDTSevere Thunderstorm WarningBGMWayne38 min
Aug 3, 2:57 PM EDTAreal Flood AdvisoryBGMLackawanna, Wayne3 hr
Aug 3, 3:06 PM EDTSpecial Weather StatementBGMSusquehanna39 min
Aug 3, 3:26 PM EDTSevere Thunderstorm WarningBGMWayne49 min
Aug 3, 3:39 PM EDTSpecial Weather StatementBGMSusquehanna51 min
Aug 3, 3:43 PM EDTSpecial Weather StatementBGMPike47 min
Aug 3, 3:48 PM EDTAreal Flood AdvisoryBGMSusquehanna117 min
Aug 3, 4:21 PM EDTSpecial Weather StatementBGMLackawanna39 min
Aug 3, 4:51 PM EDTSpecial Weather StatementBGMWayne54 min
Aug 3, 5:05 PM EDTAreal Flood AdvisoryBGMLackawanna, Luzerne, Wyoming6 hr
Aug 3, 5:31 PM EDTAreal Flood WarningBGMBradford, Wyoming3 hr
Aug 3, 6:13 PM EDTAreal Flood AdvisoryBGMWyoming8 hr
Aug 3, 6:32 PM EDTAreal Flood AdvisoryBGMWayne5 hr
Aug 3, 6:58 PM EDTAreal Flood AdvisoryBGMSusquehanna, Wayne2 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2018Every flash flood warning in 2018

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.