Alert archive / New York / Flash Flood Watches in 2015

Flash Flood Watch 2, NWS Buffalo, NY

June 14, 201510 counties in New York

NWS Buffalo, NY issued this flash flood watch at Jun 14, 2015, 3:26 PM EDT for 10 counties in New York. It took effect at Jun 14, 2015, 5:16 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jun 14, 2015, 3:26 PM EDT (19:26 UTC)
In effect from
Jun 14, 2015, 5:16 PM EDT
Expired
Jun 15, 2015, 1:29 AM EDT
In force
8 hr
Issued by
NWS Buffalo, NY
Flood severity
None

Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Wayne County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 58 km from the middle of the area, began a volume at 19:27 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, 7.4 hours before the alert went out and 55 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 2015-06-14Temperature 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 2015-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
74 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.

692 
WGUS61 KBUF 141926
FFABUF

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE BUFFALO NY
326 PM EDT SUN JUN 14 2015

NYZ012>014-019>021-085-150330-
/O.NEW.KBUF.FF.A.0002.150615T0000Z-150615T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
326 PM EDT SUN JUN 14 2015

...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF WESTERN NEW YORK... 
  INCLUDING THE FOLLOWING COUNTIES...ALLEGANY...CATTARAUGUS... 
  CHAUTAUQUA...LIVINGSTON...ONTARIO...SOUTHERN ERIE AND WYOMING. 

* FROM 8 PM EDT THIS EVENING THROUGH LATE TONIGHT.

* ADDITIONAL SHOWERS AND THUNDERSTORMS WILL IMPACT THE REGION THIS
  EVENING AND OVERNIGHT. THIS NEXT ROUND IS EXPECTED TO BRING SOME
  TORRENTIAL DOWNPOURS...SOME OF WHICH MAY LAST 1-3 HOURS WITH 2
  TO 3 INCHES OF RAIN. GIVEN THAT SOME AREAS HAVE RECEIVED
  SIGNIFICANT RAINFALL SUNDAY AFTERNOON...EVEN BRIEF HEAVY RAIN
  COULD PRODUCE FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THE THREAT OF FLASH FLOODING EXISTS
ALONG RIVERS AND CREEKS. IF YOU ARE IN THE WATCH AREA YOU SHOULD
MONITOR WEATHER CONDITIONS CLOSELY. BE READY TO MOVE TO HIGHER
GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. STAY TUNED
TO WEATHER RADIO OR OTHER RADIO AND TV STATIONS FOR FURTHER
UPDATES.

&&

$$

ZAFF
2 follow-up statements
113 
WGUS61 KBUF 142116
FFABUF

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE BUFFALO NY
516 PM EDT SUN JUN 14 2015

NYZ003-004-010-011-150530-
/O.EXB.KBUF.FF.A.0002.150614T2116Z-150615T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE-WAYNE-NORTHERN ERIE-GENESEE-
INCLUDING THE CITIES OF...ROCHESTER...NEWARK...BUFFALO...BATAVIA
516 PM EDT SUN JUN 14 2015

...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF WESTERN NEW YORK... 
  INCLUDING THE FOLLOWING COUNTIES...GENESEE...MONROE...NORTHERN 
  ERIE AND WAYNE. 

* THROUGH LATE TONIGHT.

* ADDITIONAL SHOWERS AND THUNDERSTORMS WILL IMPACT THE REGION THIS
  EVENING AND OVERNIGHT. THIS NEXT ROUND IS EXPECTED TO BRING MORE
  TORRENTIAL DOWNPOURS...SOME OF WHICH MAY LAST 1-3 HOURS WITH 2
  TO 3 INCHES OF RAIN. GIVEN THAT SOME AREAS HAVE ALREADY RECEIVED
  SIGNIFICANT RAINFALL THIS AFTERNOON AND THE GROUND IS ALREADY
  SATURATED...EVEN BRIEF HEAVY RAIN COULD PRODUCE FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THE THREAT OF FLASH FLOODING EXISTS
ALONG RIVERS AND CREEKS. IF YOU ARE IN THE WATCH AREA YOU SHOULD
MONITOR WEATHER CONDITIONS CLOSELY. BE READY TO MOVE TO HIGHER
GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. STAY TUNED
TO WEATHER RADIO OR OTHER RADIO AND TV STATIONS FOR FURTHER
UPDATES.

&&

$$

NYZ012>014-019>021-085-150530-
/O.EXT.KBUF.FF.A.0002.150614T2116Z-150615T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-
SOUTHERN ERIE-
INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA...
JAMESTOWN...OLEAN...WELLSVILLE...ORCHARD PARK...SPRINGVILLE
516 PM EDT SUN JUN 14 2015

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* A PORTION OF WESTERN NEW YORK...INCLUDING THE FOLLOWING 
  COUNTIES...ALLEGANY...CATTARAUGUS...CHAUTAUQUA...LIVINGSTON... 
  ONTARIO...SOUTHERN ERIE AND WYOMING. 

* THROUGH LATE TONIGHT.

* ADDITIONAL SHOWERS AND THUNDERSTORMS WILL IMPACT THE REGION THIS
  EVENING AND OVERNIGHT. THIS NEXT ROUND IS EXPECTED TO BRING MORE
  TORRENTIAL DOWNPOURS...SOME OF WHICH MAY LAST 1-3 HOURS WITH 2
  TO 3 INCHES OF RAIN. GIVEN THAT SOME AREAS HAVE ALREADY RECEIVED
  SIGNIFICANT RAINFALL THIS AFTERNOON AND GROUND IS SATURATED...EVEN
  BRIEF HEAVY RAIN COULD PRODUCE FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THE THREAT OF FLASH FLOODING EXISTS
ALONG RIVERS AND CREEKS. IF YOU ARE IN THE WATCH AREA YOU SHOULD
MONITOR WEATHER CONDITIONS CLOSELY. BE READY TO MOVE TO HIGHER
GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. STAY TUNED
TO WEATHER RADIO OR OTHER RADIO AND TV STATIONS FOR FURTHER
UPDATES.

&&

$$
008 
WGUS61 KBUF 150529
FFABUF

FLOOD WATCH
NATIONAL WEATHER SERVICE BUFFALO NY
129 AM EDT MON JUN 15 2015

NYZ003-004-010>014-019>021-085-150630-
/O.CAN.KBUF.FF.A.0002.000000T0000Z-150615T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE-WAYNE-NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-
CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
INCLUDING THE CITIES OF...ROCHESTER...NEWARK...BUFFALO...
BATAVIA...WARSAW...GENESEO...CANANDAIGUA...JAMESTOWN...OLEAN...
WELLSVILLE...ORCHARD PARK...SPRINGVILLE
129 AM EDT MON JUN 15 2015

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR A PORTION OF WESTERN NEW YORK HAS BEEN
CANCELLED. THE HEAVIEST RAINS HAVE EXITED THE AREA...AND WITH NO
MORE SIGNIFICANT RAINFALL EXPECTED...THE FLASH FLOOD THREAT NO
LONGER EXISTS.

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 4:06 PM EDTFlash Flood WarningBUFLivingston, Monroe, Ontario3 hr
Jun 14, 4:11 PM EDTFlash Flood WarningBUFLivingston, Monroe, Wyoming3 hr
Jun 14, 6:53 PM EDTAreal Flood WarningBUFLivingston, Monroe, Ontario, Wyoming6 hr
Jun 14, 7:58 PM EDTFlash Flood WarningBUFCattaraugus, Chautauqua3 hr

Nearby

Flash Flood Watches in New York, 2015Every flash flood watch in 2015

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.