Alert archive / New York / Flood Watches in 2014

Flood Watch 3, NWS Buffalo, NY

February 21, 2014Chautauqua County, New York

NWS Buffalo, NY issued this flood watch at Feb 21, 2014, 4:41 PM EST for Chautauqua County, New York. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 21, 2014, 4:41 PM EST (21:41 UTC)
Expired
Feb 21, 2014, 8:10 PM EST
In force
3 hr
Issued by
NWS Buffalo, NY
Flood severity
None

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 21:40 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.7 hours before the alert went out and 91 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 12:00Z on 2014-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2014-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 483 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
483 m²/s²
0-3 km storm-relative helicity
475 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.

457 
WGUS61 KBUF 212141
FFABUF

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE BUFFALO NY
441 PM EST FRI FEB 21 2014

...ICE JAMS NEAR SUNSET BAY...

.HEAVY RAIN AND WARM TEMPERATURES CAUSED FLOWS IN CATTARAUGUS
CREEK TO RAPIDLY RISE. THIS BROKE UP ICE...WHICH HAS JAMMED NEAR
SUNSET BAY WHERE THE CREEK FLOWS INTO A PRIMARILY FROZEN LAKE
ERIE. DEPENDING ON CREEK FLOWS AND SHIFTS IN THE ICE...THERE IS A
RISK OF FLOODING THROUGH THE EARLY MORNING HOURS. THE THREAT OF
FLOODING WILL DIMINISH LATE TONIGHT...AS CREEK FLOWS GRADUALLY
SUBSIDE.

NYZ019-220545-
/O.NEW.KBUF.FA.A.0003.140221T2141Z-140222T0600Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHAUTAUQUA-
INCLUDING THE CITY OF...JAMESTOWN
441 PM EST FRI FEB 21 2014

...FLOOD WATCH IN EFFECT UNTIL 1 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLOOD WATCH FOR NORTHEASTERN CHAUTAUQUA COUNTY NEAR SUNSET BAY.

* UNTIL 1 AM EST SATURDAY.

* COUNTY OFFICIALS REPORTED AN ICE JAM AT SUNSET BAY NEAR THE
  MOUTH OF CATTARAUGUS CREEK. AT THIS TIME...THERE IS NO FLOODING
  OCCURRING. HOWEVER...CHANGES IN THE CREEK FLOW AND ICE POSITION
  ARE LIKELY...AND THESE COULD RESULT IN FLOODING IN THE VICINITY
  OF SUNSET BAY. 

* RESIDENTS OF SUNSET BAY...AND THOSE ALONG CATTARAUGUS CREEK NEAR
  SUNSET BAY SHOULD REMAIN VIGILANT...AND BE PREPARED TO TAKE
  ACTION IF FLOODING OCCURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE
ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO
FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING
DEVELOP. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV
STATIONS FOR FURTHER DETAILS OR UPDATES

&&

$$

APFFEL
1 follow-up statement
593 
WGUS61 KBUF 220110
FFABUF

FLOOD WATCH
NATIONAL WEATHER SERVICE BUFFALO NY
810 PM EST FRI FEB 21 2014


NYZ019-220215-
/O.CAN.KBUF.FA.A.0003.000000T0000Z-140222T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHAUTAUQUA-
INCLUDING THE CITY OF...JAMESTOWN
810 PM EST FRI FEB 21 2014

...FLOOD WATCH IS REPLACED BY A WARNING...

THE FLOOD WATCH FOR CHAUTAUQUA COUNTY HAS BEEN CANCELLED. A FLOOD
WARNING HAS BEEN ISSUED WHICH REPLACES THE WATCH. PLEASE REFER TO
FLOOD WARNING FOR THE LATEST INFORMATION ON THIS ICE JAM.

$$

APFFEL

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 11:02 PM ESTAreal Flood WarningBUFCattaraugus, Chautauqua, Erie, Genesee, Niagara, Orleans and 1 more18 hr
Feb 21, 1:57 AM ESTRiver Flood WarningBUFAllegany, Erie, Jefferson, Lewis, Livingston, Wyoming277 days
Feb 21, 1:57 AM ESTRiver Flood WarningBUFErie, Jefferson, Lewis, Monroe, Oneida, Ontario and 1 more277 days
Feb 21, 1:57 AM ESTRiver Flood WarningBUFChautauqua, Erie, Lewis, Oneida, Wyoming277 days
Feb 21, 1:16 PM ESTAreal Flood WarningBUFChautauqua, Erie3 hr
Feb 21, 6:07 PM ESTAreal Flood WarningBUFErie16 hr
Feb 21, 6:12 PM ESTAreal Flood WarningBUFChautauqua, Erie6 hr

Nearby

Flood Watches in New York, 2014Every flood watch in 2014

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.