Alert archive / New York / Flash Flood Warnings in 2011

Flash Flood Warning 39, NWS Binghamton, NY

May 20, 2011Steuben County, New York

NWS Binghamton, NY issued this flash flood warning at May 20, 2011, 5:57 AM EDT for Steuben County, New York. It was in force for 3 hr. 2 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
May 20, 2011, 5:57 AM EDT (09:57 UTC)
Expired
May 20, 2011, 9:00 AM EDT
In force
3 hr
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Flood severity
None

County Steuben County, NY

The radar

The Binghamton radar (KBGM), 112 km from the middle of the area, began a volume at 09:57 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
May 20, 6:45 AM EDTFLASH FLOODAddison, NYNY 417 CLOSED IN BOTH DIRECTIONS FROM WOODHULL TO ADDISON
May 20, 6:51 AM EDTFLASH FLOODAddison, NYUS 15 CLOSED IN BOTH DIRECTIONS FROM THE STEUBEN COUNTY LINE TO THE PENNSYLVANIA STATE LINE

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, 10.0 hours before the alert went out and 132 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 2011-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 2011-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
8 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
946 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
90 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.

755 
WGUS51 KBGM 200957
FFWBGM
NYC101-201300-
/O.NEW.KBGM.FF.W.0039.110520T0957Z-110520T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
557 AM EDT FRI MAY 20 2011

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN STEUBEN COUNTY IN CENTRAL NEW YORK...

* UNTIL 900 AM EDT

* AT 553 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES
  AND RAIN GAGE REPORTS INDICATED EXCESSIVE RAINFALL OVER THE WARNED
  AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ADDISON...
  AVOCA...BATH...CAMPBELL...HAMMONDSPORT AND PAINTED POST.

RAPID FLOODING OF STREAMS...CREEKS...URBAN...AND POOR DRAINAGE AREAS
IS LIKELY IN AND NEAR THESE LOCATIONS.

WHEN YOU CAN DO SO SAFELY...PLEASE REPORT FLOODING TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE AT 1-877-633-6772...OR BY EMAIL
AT BGM.STORMREPORT@NOAA.GOV.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 4245 7750 4245 7715 4202 7704 4203 7753

$$

DGM
2 follow-up statements
921 
WGUS71 KBGM 201134
FFSBGM

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
734 AM EDT FRI MAY 20 2011

NYC101-201300-
/O.CON.KBGM.FF.W.0039.000000T0000Z-110520T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STEUBEN NY-
734 AM EDT FRI MAY 20 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR
CENTRAL STEUBEN COUNTY...

BETWEEN 630 AND 700 AM EDT...THE MEDIA REPORTED AREAS OF FLASH 
FLOODING IN THE SOUTH CENTRAL HALF OF STEUBEN COUNTY CAUSED BY HEAVY 
RAINFALL. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ADDISON...
  AVOCA...BATH...CAMERON...CAMPBELL...COOPERS PLAINS...ERWINS...GANG
  MILLS...HAMMONDSPORT...JASPER...KANONA...LINDLEY...PAINTED POST...
  RHEIMS...SAVONA...SONORA...THURSTON...URBANA AND WOODHULL.

THE NATIONAL WEATHER SERVICE HAS RECEIVED REPORTS OF FLOODED ROADS 
AND BASEMENTS IN AND AROUND ADDISON...INCLUDING PORTIONS OF COUNTY 
ROUTES 417...119 AND 89. REMEMBER...NEVER TO DRIVE ACROSS FLOODED 
ROADS...THE ROAD UNDERNEATH THE WATER MAY NO LONGER BE THERE.

TUSCARORA CREEK NEAR ADDISON HAS RISEN 4.5 FEET SINCE MIDNIGHT...BUT 
AS OF 730 AM APPEARS TO BE CRESTING AROUND 6.5 FEET.

WHEN YOU CAN DO SO SAFELY...PLEASE REPORT FLOODING TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE AT 1-877-633-6772...OR BY EMAIL
AT BGM.STORMREPORT@NOAA.GOV.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 4245 7750 4245 7715 4202 7704 4203 7753

$$

JAB
293 
WGUS71 KBGM 201302
FFSBGM

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BINGHAMTON NY
902 AM EDT FRI MAY 20 2011

NYC101-201306-
/O.EXP.KBGM.FF.W.0039.000000T0000Z-110520T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STEUBEN NY-
902 AM EDT FRI MAY 20 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 900 AM EDT FOR CENTRAL
STEUBEN COUNTY...

HEAVY RAINFALL HAS MOVED OUT OF THE AREA...AND NO ADDITIONAL FLASH 
FLOODING IS EXPECTED THIS MORNING. THE FLOOD WARNING HAS THEREFORE 
EXPIRED. 

ACCORDING TO COUNTY EMERGENCY MANAGEMENT OFFICIALS...THERE ARE 
RESIDUAL TRAVEL PROBLEMS DUE TO ROAD CLOSURES FROM FLOOD DAMAGED OR 
WATER COVERED ROADS. SOME OF THE ROUTES AFFECTED ARE COUNTY ROUTES 
1...2...3...333 AND 85. IN ADDITION...THERE MAY BE DELAYS OR DETOURS 
ON ROUTES 417...119 AND 89 THROUGH THE MORNING. A PORTION OF ADDISON 
BACK ROAD IS ALSO CLOSED DUE TO A 4 FOOT HOLE IN THE ROADWAY. 

BE ALERT TO AVOID THESE AREAS...UNTIL LOCAL OFFICIALS CLEAR THEM FOR 
TRAVEL...AND REMEMBER TO NEVER CROSS A FLOODED ROADWAY.

LAT...LON 4245 7750 4245 7715 4202 7704 4203 7753

$$

JAB

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 4:59 AM EDTAreal Flood AdvisoryBGMSteuben3 hr
May 20, 1:14 PM EDTAreal Flood AdvisoryBGMBroome, Delaware, Sullivan3 hr
May 20, 3:11 PM EDTFlash Flood WarningBGMDelaware6 hr
May 20, 4:07 PM EDTAreal Flood AdvisoryBGMOneida3 hr
May 20, 4:22 PM EDTFlash Flood WarningBGMOneida4 hr
May 20, 4:28 PM EDTFlash Flood WarningBGMDelaware6 hr
May 20, 4:38 PM EDTSpecial Weather StatementBGMDelaware52 min
May 20, 5:42 PM EDTFlash Flood WarningBGMBroome, Chenango, Delaware, Otsego4 hr
May 20, 6:25 PM EDTAreal Flood AdvisoryBGMBroome, Chenango3 hr

Nearby

Flash Flood Warnings in New York, 2011Every flash flood warning in 2011

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.