Alert archive / New York / Flash Flood Warnings in 2015
Flash Flood Warning 6, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at May 30, 2015, 5:47 PM EDT for Genesee County, Livingston County, Wyoming County, New York. It was in force for 3 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
- May 30, 2015, 5:47 PM EDT (21:47 UTC)
- Expired
- May 30, 2015, 8:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Genesee County, NY, Livingston County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 57 km from the middle of the area, began a volume at 21:47 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, 9.8 hours before the alert went out and 54 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.
- Mixed-layer CAPE
- 14 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 1174 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
841
WGUS51 KBUF 302147
FFWBUF
NYC037-051-121-310045-
/O.NEW.KBUF.FF.W.0006.150530T2147Z-150531T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
547 PM EDT SAT MAY 30 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN LIVINGSTON COUNTY IN WESTERN NEW YORK...
SOUTHEASTERN GENESEE COUNTY IN WESTERN NEW YORK...
CENTRAL WYOMING COUNTY IN WESTERN NEW YORK...
* UNTIL 845 PM EDT
* AT 546 PM EDT...EMERGENCY MANAGEMENT REPORTED THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS CENTRAL WYOMING COUNTY. UP TO TWO
INCHES OF RAIN HAS ALREADY FALLEN WITH AN ADDITIONAL INCH OR TWO
POSSIBLE. FLASH FLOODING IS ALREADY OCCURRING IN SOME AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GENESEO...PERRY...WARSAW...AVON...PAVILION...VARYSBURG...YORK AND
COVINGTON.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...TROUT BROOK...
BAKER BROOK...CATTARAUGUS CREEK...TONAWANDA CREEK... EAST FORK
TONAWANDA CREEK...CONESUS CREEK...GENESEE RIVER...SPRING
BROOK...BLACK CREEK...CHRISTIE CREEK...CROW CREEK...NORTH BRANCH
WISCOY CREEK...BEARDS CREEK...CAYUGA CREEK...MIDDLEBURY
BROOK...PEARL CREEK...WOLF CREEK... STONY CREEK...OATKA CREEK...FALL
BROOK...LITTLE TONAWANDA CREEK... JOHNSON CREEK...WHITE
CREEK...BIDWELLS CREEK...LITTLE CONESUS CREEK AND WISCOY CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4257 7832 4277 7836 4297 7779 4285 7766
$$
RSH3 follow-up statements
659 WGUS71 KBUF 302249 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 649 PM EDT SAT MAY 30 2015 NYC037-051-121-310045- /O.CON.KBUF.FF.W.0006.000000T0000Z-150531T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LIVINGSTON NY-GENESEE NY-WYOMING NY- 649 PM EDT SAT MAY 30 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR NORTHWESTERN LIVINGSTON...SOUTHEASTERN GENESEE AND CENTRAL WYOMING COUNTIES... AT 644 PM EDT...ADDITIONAL THUNDERSTORMS ARE DEVELOPING AND GAINING STRENGTH OVER EXTREME SOUTHERN ERIE COUNTY AND NEAR THE TOWN OF ARCADE. THIS THUNDERSTORM ACTIVITY WILL PUSH NORTHEAST ACROSS THE SAME AREA THAT RECEIVED TWO TO AS MUCH AS 4 INCHES OF RAIN EARLIER THIS AFTERNOON AND EVENING. ADDITIONAL RAINFALL OF ONE...TO ONE AND A HALF INCHES WILL BE POSSIBLE FOR SITES SUCH AS GENESEO...PERRY... WARSAW...AVON...PAVILION...VARYSBURG...YORK AND COVINGTON. THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...TROUT BROOK... BAKER BROOK...CATTARAUGUS CREEK...JAYCOX CREEK...TONAWANDA CREEK... EAST FORK TONAWANDA CREEK...CONESUS CREEK...GENESEE RIVER...SPRING BROOK...BLACK CREEK...CHRISTIE CREEK...CROW CREEK...NORTH BRANCH WISCOY CREEK...BEARDS CREEK...CAYUGA CREEK... MIDDLEBURY BROOK... PEARL CREEK...STONY BROOK...WOLF CREEK...STONY CREEK...OATKA CREEK...LITTLE TONAWANDA CREEK...JOHNSON CREEK...WHITE CREEK...AND BIDWELLS CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 4257 7832 4277 7836 4297 7779 4285 7766 $$ RSH
354 WGUS71 KBUF 302341 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 741 PM EDT SAT MAY 30 2015 NYC037-302345- /O.CAN.KBUF.FF.W.0006.000000T0000Z-150531T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GENESEE NY- 741 PM EDT SAT MAY 30 2015 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN GENESEE COUNTY IS CANCELLED... THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ALL ROAD CLOSURES. LAT...LON 4257 7832 4276 7829 4278 7784 $$ NYC051-121-310045- /O.CON.KBUF.FF.W.0006.000000T0000Z-150531T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LIVINGSTON NY-WYOMING NY- 741 PM EDT SAT MAY 30 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR WEST CENTRAL LIVINGSTON AND CENTRAL WYOMING COUNTIES... AT 735 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A LINE OF THUNDERSTORMS WITH HEAVY RAIN TO THE SOUTH OF WARSAW. THIS ACTIVITY IS MOVING EAST AND SHOULD BE OUT OF THE SOUTHERN PORTION OF THE WARNED AREA BY 8:30 PM. OVER TWO INCHES OF RAIN FELL OVER PARTS OF THE WARNED AREA LATE THIS AFTERNOON. WYOMING COUNTY EMERGENCY MANAGEMENT REPORTS THAT A STATE OF EMERGENCY WILL BE DECLARED FOR THE VILLAGE OF WARSAW...WHERE WIDESPREAD FLASH FLOODING WAS REPORTED. WHILE LOCAL TRIBUTARIES ARE RUNNING FAST AND ABOVE HALF BANK FULL AT THIS TIME...THE LEVELS ARE RECEDING IN MOST AREAS. ADDITIONAL RAINFALL IS EXPECTED THOUGH AS WE PROCEED THROUGH THE NIGHT. THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...BEARDS CREEK... TROUT BROOK...GENESEE RIVER...COTTON CREEK...SILVER LAKE INLET... SPRING BROOK...STONY BROOK...WOLF CREEK...STONY CREEK...CATTARAUGUS CREEK...LITTLE BEARDS CREEK...RELYEA CREEK...OATKA CREEK...EAST KOY CREEK...CROW CREEK...TONAWANDA CREEK...NORTH BRANCH WISCOY CREEK AND EAST FORK TONAWANDA CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 4257 7832 4276 7829 4278 7784 $$ RSH
788 WGUS71 KBUF 310042 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 842 PM EDT SAT MAY 30 2015 NYC051-121-310052- /O.EXP.KBUF.FF.W.0006.000000T0000Z-150531T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LIVINGSTON NY-WYOMING NY- 842 PM EDT SAT MAY 30 2015 ...THE FLASH FLOOD WARNING FOR WEST CENTRAL LIVINGSTON AND CENTRAL WYOMING COUNTIES WILL EXPIRE AT 845 PM EDT... FLOOD WATERS CONTINUE TO RECEDE...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 4257 7832 4276 7829 4278 7784 $$ RSH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 10:20 PM EDT | Small Craft Advisory | BUF | 22 hr | |
| May 30, 4:42 AM EDT | Small Craft Advisory | BUF | 54 hr | |
| May 30, 4:15 PM EDT | Special Weather Statement | BUF | Lewis | 45 min |
| May 30, 4:16 PM EDT | Special Weather Statement | BUF | Allegany, Cattaraugus, Livingston, Ontario | 89 min |
| May 30, 4:27 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis | 63 min |
| May 30, 5:04 PM EDT | Special Weather Statement | BUF | Wayne, Wyoming | 56 min |
| May 30, 5:14 PM EDT | Special Marine Warning | BUF | 61 min | |
| May 30, 5:16 PM EDT | Special Weather Statement | BUF | Lewis | 29 min |
| May 30, 5:39 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 66 min |
| May 30, 7:50 PM EDT | Special Weather Statement | BUF | Allegany, Cattaraugus, Chautauqua | 85 min |
Nearby
Flash Flood Warnings in New York, 2015Every flash flood warning 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.