Alert archive / New York / Flash Flood Warnings in 2016

Flash Flood Warning 6, NWS Buffalo, NY

August 10, 2016Chautauqua County, New York

NWS Buffalo, NY issued this flash flood warning at Aug 10, 2016, 5:37 PM EDT for Chautauqua County, New York. It was in force for 3 hr. 1 report 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
Aug 10, 2016, 5:37 PM EDT (21:37 UTC)
Expired
Aug 10, 2016, 8:30 PM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Flood severity
None

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 112 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.

What was reported inside it

TimeReportWhereRemark
Aug 10, 6:15 PM EDTFLASH FLOOD3 Sse Jamestown, NYROUTE 60 CLOSED BETWEEN PECK SETTLEMENT ROAD AND JOHNS PLACE DUE TO FLOODING VIA NITTEC

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.6 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, Buffalo Intl Airport, NY at 12:00Z on 2016-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 422 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, Buffalo Intl Airport, NY at 12:00Z on 2016-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
422 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

315 
WGUS51 KBUF 102137
FFWBUF
NYC013-110030-
/O.NEW.KBUF.FF.W.0006.160810T2137Z-160811T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
537 PM EDT WED AUG 10 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK...

* UNTIL 830 PM EDT

* AT 536 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. ONE TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  JAMESTOWN...LAKEWOOD...FALCONER...FREWSBURG...JAMESTOWN WEST...
  BUSTI...CELORON AND PANAMA.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 11 AND 13.
 
LAT...LON 4200 7956 4212 7954 4214 7908 4200 7908

$$

CHURCH
2 follow-up statements
415 
WGUS71 KBUF 102307
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
707 PM EDT WED AUG 10 2016

NYC013-110030-
/O.CON.KBUF.FF.W.0006.000000T0000Z-160811T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHAUTAUQUA NY-
707 PM EDT WED AUG 10 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
SOUTHEASTERN CHAUTAUQUA COUNTY...

AT 702 PM EDT...TRAINED SPOTTERS REPORTED HEAVY RAINFALL IN
SOUTHEAST CHAUTAUQUA COUNTY... WITH ONE TO TWO INCHES OF RAINFALL
REPORTED. RAIN HAS ENDED ACROSS THE WARNED AREA, HOWEVER CREEKS AND
STREAMS MAY CONTINUE TO RISE THIS EVENING. 

A ROAD CLOSURE OF ROUTE 60 IN SOUTHERN JAMESTOWN WAS REPORTED
EARLIER, AND HAS SINCE REOPENED. PLEASE HEED ANY ROAD CLOSURES, AND
DO NOT DRIVE THROUGH FLOOD WATERS. TURN AROUND...DONT DROWN.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JAMESTOWN...LAKEWOOD...FALCONER...FREWSBURG...JAMESTOWN WEST...
BUSTI...CELORON AND PANAMA.

THIS INCLUDES INTERSTATE 86 BETWEEN EXITS 11 AND 13.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4200 7956 4212 7954 4214 7908 4200 7908

$$

CHURCH
766 
WGUS71 KBUF 102348
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
748 PM EDT WED AUG 10 2016

NYC013-102358-
/O.CAN.KBUF.FF.W.0006.000000T0000Z-160811T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHAUTAUQUA NY-
748 PM EDT WED AUG 10 2016

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN CHAUTAUQUA COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED. FLOOD WATERS HAVE RECEDED. FLOODING IS NO
LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.

LAT...LON 4200 7956 4212 7954 4214 7908 4200 7908

$$

CHURCH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 1:39 AM EDTSpecial Weather StatementBUFErie66 min
Aug 10, 2:29 AM EDTSpecial Weather StatementBUFGenesee61 min
Aug 10, 3:06 AM EDTSpecial Weather StatementBUFMonroe54 min
Aug 10, 5:26 PM EDTSpecial Weather StatementBUFChautauqua64 min

Nearby

Flash Flood Warnings in New York, 2016Every flash flood warning in 2016

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.