Alert archive / New York / Flash Flood Warnings in 2011

Flash Flood Warning 46, NWS Albany, NY

September 27, 2011Herkimer County, New York

NWS Albany, NY issued this flash flood warning at Sep 27, 2011, 6:26 PM EDT for Herkimer County, New York. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 27, 2011, 6:26 PM EDT (22:26 UTC)
Expired
Sep 28, 2011, 12:15 AM EDT
In force
6 hr
Issued by
NWS Albany, NY
Area
Storm-based polygon
Flood severity
None

County Herkimer County, NY

The radar

The Ft Drum radar (KTYX), 88 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.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.4 hours before the alert went out and 112 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 2011-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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 2011-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
44 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

952 
WGUS51 KALY 272226
FFWALY
NYC043-280415-
/O.NEW.KALY.FF.W.0046.110927T2226Z-110928T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
626 PM EDT TUE SEP 27 2011

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN HERKIMER COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITIES OF...ILION...HERKIMER...

* UNTIL 1215 AM EDT

* AT 617 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS SOUTHWESTERN HERKIMER
  COUNTY. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE INTO THE      
  EVENING AND PRODUCE SEVERAL INCHES OF RAIN RESULTING IN FLASH
  FLOODING. IN ADDITION...MUDSLIDES ARE POSSIBLE IN HILLY TERRAIN.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POLAND...
  OHIO...NORTHWOOD...NEWPORT...MOHAWK...MIDDLEVILLE...FRANKFORT AND
  COLD BROOK

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

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 4326 7516 4330 7515 4334 7509
      4336 7508 4334 7487 4291 7488 4282 7490
      4290 7509 4285 7514 4286 7522 4292 7521
      4306 7522

$$
2 follow-up statements
607 
WGUS71 KALY 272250
FFSALY

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
650 PM EDT TUE SEP 27 2011

NYC043-280415-
/O.CON.KALY.FF.W.0046.000000T0000Z-110928T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HERKIMER NY-
650 PM EDT TUE SEP 27 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR
SOUTHWESTERN HERKIMER COUNTY...

AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS SOUTHWESTERN 
HERKIMER COUNTY. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE INTO 
THE EVENING AND PRODUCE SEVERAL INCHES OF RAIN RESULTING IN FLASH   
FLOODING. IN ADDITION...MUDSLIDES ARE POSSIBLE IN HILLY TERRAIN.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POLAND...
OHIO...NORTHWOOD...NEWPORT...MIDDLEVILLE AND COLD BROOK

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

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 4326 7516 4330 7515 4334 7509
      4336 7508 4334 7487 4291 7488 4282 7490
      4290 7509 4285 7514 4286 7522 4292 7521
      4306 7522

$$
455 
WGUS71 KALY 280408
FFSALY

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
1208 AM EDT WED SEP 28 2011

NYC043-280417-
/O.EXP.KALY.FF.W.0046.000000T0000Z-110928T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HERKIMER NY-
1208 AM EDT WED SEP 28 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM EDT FOR
SOUTHWESTERN HERKIMER COUNTY...

HEAVY RAIN HAS ENDED ACROSS THE AREA...THEREFORE THE FLASH FLOOD 
THREAT HAS DIMINISHED AND THE WARNING WILL BE ALLOWED TO EXPIRE.

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 4326 7516 4330 7515 4334 7509
      4336 7508 4334 7487 4291 7488 4282 7490
      4290 7509 4285 7514 4286 7522 4292 7521
      4306 7522

$$

JPV

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.