Alert archive / New York / Flash Flood Warnings in 2011

Flash Flood Warning 37, NWS Albany, NY

September 4, 20114 counties in New York

NWS Albany, NY issued this flash flood warning at Sep 4, 2011, 5:32 PM EDT for 4 counties in New York. It was in force for 12 hr. 8 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
Sep 4, 2011, 5:32 PM EDT (21:32 UTC)
Expired
Sep 5, 2011, 5:30 AM EDT
In force
12 hr
Issued by
NWS Albany, NY
Area
Storm-based polygon
Flood severity
None

Counties Fulton County, NY, Hamilton County, NY, Herkimer County, NY, Montgomery County, NY

The radar

The Albany radar (KENX), 85 km from the middle of the area, began a volume at 21:32 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
Sep 4, 5:45 PM EDTFLASH FLOOD2 Se Mohawk, NYSTREAMS OUT OF BANKS...ROADS WASHED OUT
Sep 4, 5:45 PM EDTFLASH FLOODFrankfort, NYSTREMAS OUT OF BANKS...ROADS WASHED OUT
Sep 4, 5:45 PM EDTFLASH FLOODHerkimer, NYSTREAMS OUT OF BANKS AND ROADS WASHED OUT
Sep 4, 5:45 PM EDTFLASH FLOODIlion, NYSTREAMS OUT OF BANKS...ROADS WASHED OUT
Sep 4, 5:45 PM EDTFLASH FLOODMohawk, NYSTREAMS OUT OF BANKS...ROADS WASHED OUT
Sep 4, 6:00 PM EDTFLASH FLOODMiddleville, NYWIDESPREAD FLASH FLOODING OCCURING SOUTHERN HALF OF COUNTY
Sep 4, 7:03 PM EDTFLASH FLOODFrankfort, NYMOYER CREEK OVERFLOWED AT BRICE RD AND SURROUNDING 3 HOMES
Sep 4, 7:09 PM EDTFLASH FLOODFrankfort, NYWATER GOING OVER BRIDGE AT W. MAIN ST NEAR CEMETERY RD...GAS PIPELINE IN VICINITY

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, 9.5 hours before the alert went out and 97 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 2011-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2011-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939Sfc1 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
277 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

048 
WGUS51 KALY 042132
FFWALY
NYC035-041-043-057-050330-
/O.NEW.KALY.FF.W.0037.110904T2132Z-110905T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
532 PM EDT SUN SEP 4 2011

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FULTON COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...JOHNSTOWN...GLOVERSVILLE...
  SOUTHERN HAMILTON COUNTY IN EASTERN NEW YORK...
  SOUTHERN HERKIMER COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...LITTLE FALLS...ILION...HERKIMER...
  MONTGOMERY COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...FONDA...CANAJOHARIE...AMSTERDAM...

* UNTIL 1130 PM EDT

* AT 523 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THAT ONE TO TWO INCHES OF RAIN HAD FALLEN OVER PORTIONS OF THE
  WARNED AREA DUE TO THUNDERSTORMS THAT HAD MOVED OVER THE REGION. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORTHAMPTON
  BEACH PUBLIC CAMPGROUND...CAROGA LAKE PUBLIC CAMPGROUND...
  STRATFORD...ST. JOHNSVILLE...POLAND...NORTHVILLE...NEWPORT...
  MOHAWK...MIDDLEVILLE...MAYFIELD...FRANKFORT...EPHRATAH...
  DOLGEVILLE...CRANBERRY CREEK...COLD BROOK...CAROGA LAKE AND
  BROADALBIN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE 
BETWEEN 530 PM AND 730 PM AS ANOTHER LARGE AREA OF THUNDERSTORMS 
MOVES ACROSS THE WARNED AREA. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY EMAIL AT
ALB.STORMREPORT@NOAA.GOV OR ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

&&

LAT...LON 4322 7508 4324 7515 4328 7516 4334 7416
      4291 7409 4284 7470 4289 7487 4284 7488
      4282 7490 4290 7509 4285 7514 4286 7522
      4292 7521 4306 7522

$$

GJM
3 follow-up statements
373 
WGUS71 KALY 050038
FFSALY

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
838 PM EDT SUN SEP 4 2011

NYC035-041-043-057-050330-
/O.CON.KALY.FF.W.0037.000000T0000Z-110905T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAMILTON NY-MONTGOMERY NY-FULTON NY-HERKIMER NY-
838 PM EDT SUN SEP 4 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT FOR
SOUTHERN HERKIMER...FULTON...NORTHERN MONTGOMERY AND SOUTHERN
HAMILTON COUNTIES...

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ST. 
JOHNSVILLE...NORTHAMPTON BEACH PUBLIC CAMPGROUND...CAROGA LAKE PUBLIC
CAMPGROUND...STRATFORD...POLAND...NORTHVILLE...NEWPORT...MOHAWK...
DOLGEVILLE...MAYFIELD...LITTLE FALLS...JOHNSTOWN...ILION... 
HERKIMER...GLOVERSVILLE...FRANKFORT...EPHRATAH...DOLGEVILLE... 
CRANBERRY CREEK...COLD BROOK...CAROGA LAKE AND BROADALBIN

ALTHOUGH HEAVY RAIN HAS ENDED ACROSS THE WARNED AREA...FLOODING 
CONTINUES ACROSS PARTS OF THE REGION...ESPECIALLY SOUTHERN HERKIMER 
COUNTY. WIDESPREAD FLOODING HAS OCCURRED ACROSS HERKIMER... 
FRANKFURT...ILION...MOHAWK AND GERMAN FLATS...WITH MANY ROADS WASHED 
OUT IN THESE AREAS.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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. MOVE TO HIGHER GROUND.

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY EMAIL AT
ALB.STORMREPORT@NOAA.GOV OR ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SUNDAY EVENING FOR EASTERN NEW YORK AND SOUTHERN VERMONT.

&&

LAT...LON 4322 7508 4324 7515 4328 7516 4334 7416
      4291 7409 4284 7470 4289 7487 4284 7488
      4282 7490 4290 7509 4285 7514 4286 7522
      4292 7521 4306 7522

$$

GJM
806 
WGUS51 KALY 050317
FFWALY
NYC035-041-043-057-050930-
/O.EXT.KALY.FF.W.0037.000000T0000Z-110905T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
1117 PM EDT SUN SEP 4 2011

THE NATIONAL WEATHER SERVICE IN ALBANY HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  FULTON COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...JOHNSTOWN...GLOVERSVILLE...
  SOUTHERN HAMILTON COUNTY IN EASTERN NEW YORK...
  SOUTHERN HERKIMER COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...LITTLE FALLS...ILION...HERKIMER...
  NORTHERN MONTGOMERY COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...FONDA...CANAJOHARIE...AMSTERDAM...

* UNTIL 530 AM EDT MONDAY

* AT 1109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN MOVING    
  TOWARDS THE MOHAWK VALLEY. THE SHOWERS AND THUNDERSTORMS ARE       
  EXPECTED TO REACH THE MOHAWK VALLEY SHORTLY AFTER MIDNIGHT WITH    
  HEAVY RAIN CONTINUING FOR MUCH OF THE NIGHT. THE HEAVY RAIN IS
  EXPECTED TO FLOOD CREEKS AND STREAMS AS WELL AS UNDERPASSES...AND
  POORLY DRAINED LOW LYING AREAS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ST.
  JOHNSVILLE...EPHRATAH...NORTHAMPTON BEACH PUBLIC CAMPGROUND...
  CAROGA LAKE PUBLIC CAMPGROUND...STRATFORD...POLAND...NORTHVILLE...
  NEWPORT...MOHAWK...MIDDLEVILLE...MAYFIELD...FRANKFORT...
  DOLGEVILLE...CRANBERRY CREEK...COLD BROOK...CAROGA LAKE AND
  BROADALBIN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY EMAIL AT
ALB.STORMREPORT@NOAA.GOV OR ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

&&

LAT...LON 4322 7508 4324 7515 4328 7516 4334 7416
      4291 7409 4284 7470 4289 7487 4284 7488
      4282 7490 4290 7509 4285 7514 4286 7522
      4292 7521 4306 7522

$$
437 
WGUS71 KALY 050930
FFSALY

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
530 AM EDT MON SEP 5 2011

NYC035-041-043-057-050941-
/O.EXP.KALY.FF.W.0037.000000T0000Z-110905T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAMILTON NY-MONTGOMERY NY-FULTON NY-HERKIMER NY-
530 AM EDT MON SEP 5 2011

...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHERN HERKIMER...
FULTON...NORTHERN MONTGOMERY AND SOUTHERN HAMILTON COUNTIES...

PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY EMAIL AT
ALB.STORMREPORT@NOAA.GOV OR ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV

LAT...LON 4322 7508 4324 7515 4328 7516 4334 7416
      4291 7409 4284 7470 4289 7487 4284 7488
      4282 7490 4290 7509 4285 7514 4286 7522
      4292 7521 4306 7522

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 11:18 AM EDTSpecial Weather StatementALYAlbany, Greene, Schenectady42 min
Sep 4, 12:22 PM EDTSpecial Weather StatementALYGreene38 min
Sep 4, 3:03 PM EDTSpecial Weather StatementALYFulton42 min
Sep 4, 3:08 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Herkimer67 min
Sep 4, 4:38 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery, Saratoga, Schenectady67 min
Sep 4, 4:48 PM EDTSpecial Weather StatementALYSchoharie42 min
Sep 4, 5:26 PM EDTTornado WarningALYMontgomery, Saratoga, Schenectady23 min
Sep 4, 5:33 PM EDTSpecial Weather StatementALYSchenectady27 min
Sep 4, 5:47 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer, Saratoga, Schenectady, Washington58 min
Sep 4, 6:05 PM EDTSpecial Weather StatementALYGreene40 min
Sep 4, 6:21 PM EDTSpecial Weather StatementALYFulton39 min
Sep 4, 6:41 PM EDTSevere Thunderstorm WarningALYRensselaer, Washington64 min
Sep 4, 6:54 PM EDTSpecial Weather StatementALYAlbany51 min
Sep 4, 7:41 PM EDTSpecial Weather StatementALYWashington49 min
Sep 4, 7:46 PM EDTSevere Thunderstorm WarningALYRensselaer56 min

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.