Alert archive / New York / Flash Flood Warnings in 2011

Flash Flood Warning 49, NWS Albany, NY

October 14, 2011Herkimer County, New York

NWS Albany, NY issued this flash flood warning at Oct 14, 2011, 1:50 PM EDT for Herkimer County, New York. It was in force for 6 hr. 3 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: Oct 14, 2011, 1:50 PM EDT (17:50 UTC)
Expired: Oct 14, 2011, 7:45 PM EDT
In force: 6 hr
Issued by: NWS Albany, NY
Area: Storm-based polygon
Flood severity: None

County Herkimer County, NY

The radar

The Albany radar (KENX), 83 km from the middle of the area, began a volume at 17:51 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

Time	Report	Where	Remark
Oct 14, 3:34 PM EDT	FLASH FLOOD	Manheim Center, NY	WASHOUT OF HILLSIDE ONTO ROAD. WASHOUT OF ROAD AS WELL DUE TO MOVING WATER.
Oct 14, 3:40 PM EDT	FLASH FLOOD	Manheim Center, NY	WASHOUT OF ROAD AND DRIVEWAY ON MINER ROAD.
Oct 14, 5:25 PM EDT	FLASH FLOOD	Salisbury Center, NY	PORTION OF THOMPSON ROAD WASHED OUT EAST OF ROUTE 170A.

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, 5.8 hours before the alert went out and 92 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 47 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 462 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 374 m²/s²
0-3 km storm-relative helicity: 426 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

347 
WGUS51 KALY 141750
FFWALY
NYC043-142345-
/O.NEW.KALY.FF.W.0049.111014T1750Z-111014T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
150 PM EDT FRI OCT 14 2011

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN HERKIMER COUNTY IN EASTERN NEW YORK...
  THIS INCLUDES THE CITY OF LITTLE FALLS...

* UNTIL 745 PM EDT

* AT 146 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM THUNDERSTORMS WITH HEAVY RAINFALL REPEATEDLY   
  MOVING OVER THE SAME AREAS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOOD
  CORNERS...CURTIS...BULL HILL AND BLACK CREEK RESERVOIR.

SEVERAL ROUNDS OF THUNDERSTORMS MOVING OVER THE SAME AREAS WILL 
RESULT IN RAPID RUNOFF AND FLASH FLOODING. RAINFALL RATES OF ONE TO 
TWO INCHES PER HOUR WILL OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 4336 7492 4328 7471 4315 7472 4314 7474
      4312 7473 4311 7477 4308 7477 4303 7474
      4286 7477 4289 7486 4288 7488 4288 7490
      4312 7494

$$

JPV

1 follow-up statement

412 
WGUS71 KALY 141902
FFSALY

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
302 PM EDT FRI OCT 14 2011

NYC043-142345-
/O.CON.KALY.FF.W.0049.000000T0000Z-111014T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HERKIMER NY-
302 PM EDT FRI OCT 14 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
SOUTHEASTERN HERKIMER COUNTY...

AT 256 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS WITH HEAVY RAIN REPEATEDLY DEVELOPING OVER 
THE SAME AREAS IN SOUTHEAST HERKIMER COUNTY. WHILE THERE HAVE BEEN 
SOME BREAKS IN THE HEAVY RAIN...REPEATED DEVELOPMENT WILL CONTINUE 
TO RESULT IN RAPID RUNOFF AND A RESULTING THREAT FOR FLASH FLOODING 
OVER THE AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DOLGEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

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 4336 7492 4328 7471 4315 7472 4314 7474
      4312 7473 4311 7477 4308 7477 4303 7474
      4286 7477 4289 7486 4288 7488 4288 7490
      4312 7494

$$

JPV

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 14, 2:54 AM EDT	Areal Flood Advisory	ALY	Columbia, Dutchess, Greene, Ulster	2 hr
Oct 14, 12:12 PM EDT	Special Weather Statement	ALY	Fulton	48 min
Oct 14, 12:26 PM EDT	Areal Flood Advisory	ALY	Herkimer	3 hr
Oct 14, 12:30 PM EDT	Special Weather Statement	ALY	Herkimer	45 min
Oct 14, 2:31 PM EDT	Special Weather Statement	ALY	Herkimer	44 min
Oct 14, 2:44 PM EDT	Areal Flood Advisory	ALY	Herkimer	3 hr
Oct 14, 3:21 PM EDT	Special Weather Statement	ALY	Columbia	39 min
Oct 14, 3:37 PM EDT	Wind Advisory	ALY	Fulton, Hamilton, Herkimer, Warren	31 hr
Oct 14, 3:57 PM EDT	Special Weather Statement	ALY	Fulton	48 min
Oct 14, 4:13 PM EDT	Special Weather Statement	ALY	Ulster	62 min
Oct 14, 4:46 PM EDT	Special Weather Statement	ALY	Schoharie	44 min
Oct 14, 6:54 PM EDT	Special Weather Statement	ALY	Washington	51 min

Nearby

Flash Flood Warnings in New York, 2011 Every 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.