Alert archive / New York / Flash Flood Warnings in 2011
Flash Flood Warning 16, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Aug 14, 2011, 10:59 AM EDT for 4 counties in New York. It was in force for 3 hr. 4 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
- Aug 14, 2011, 10:59 AM EDT (14:59 UTC)
- Expired
- Aug 14, 2011, 2:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allegany County, NY, Cattaraugus County, NY, Livingston County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 78 km from the middle of the area, began a volume at 15:00 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 |
|---|---|---|---|
| Aug 14, 11:25 AM EDT | FLOOD | Cuba, NY | SOUTH SHORE ROAD FLOODED. |
| Aug 14, 1:30 PM EDT | FLOOD | Caneadea, NY | RTE 19 CLOSED DUE TO FLOODING. |
| Aug 14, 1:30 PM EDT | FLOOD | Cuba, NY | WEST SHORE RD CLOSED DUE TO FLOODING. |
| Aug 14, 1:45 PM EDT | FLOOD | Cuba, NY | MULTIPLE FLOODING REPORTS OF HOMES AND STREETS. |
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, 3.0 hours before the alert went out and 74 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 7058 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
729 WGUS51 KBUF 141459 FFWBUF NYC003-009-051-121-141800- /O.NEW.KBUF.FF.W.0016.110814T1459Z-110814T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BUFFALO NY 1059 AM EDT SUN AUG 14 2011 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * FLASH FLOOD WARNING FOR... ALLEGANY COUNTY IN WESTERN NEW YORK... SOUTHEASTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK... THIS INCLUDES THE CITY OF OLEAN... SOUTHERN LIVINGSTON COUNTY IN WESTERN NEW YORK... SOUTHEASTERN WYOMING COUNTY IN WESTERN NEW YORK... * UNTIL 200 PM EDT * AT 1055 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED EXCESSIVE RAINS OF OVER 2 INCHES PER HOUR FROM NEARLY STATIONARY THUNDERSTORMS ACROSS THE AREA. FLASH FLOODING IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. 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. && LAT...LON 4276 7804 4267 7765 4199 7811 4199 7864 $$ SFM
2 follow-up statements
148 WGUS71 KBUF 141725 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 125 PM EDT SUN AUG 14 2011 NYC003-009-051-121-141800- /O.CON.KBUF.FF.W.0016.000000T0000Z-110814T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ALLEGANY NY-CATTARAUGUS NY-LIVINGSTON NY-WYOMING NY- 125 PM EDT SUN AUG 14 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM EDT FOR SOUTHEASTERN WYOMING...SOUTHERN LIVINGSTON...SOUTHEASTERN CATTARAUGUS AND ALLEGANY COUNTIES... AT 118 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN EASING IN THE VERY HEAVY RAIN THAT HAS BEEN FALLING ACROSS THE REGION SINCE MID MORNING. THERE HAVE BEEN RADAR ESTIMATES OF UP TO 4 INCHES OVER WEST CENTRAL ALLEGANY COUNTY NEAR CUBA AND WELL OVER TWO INCHES ELSEWHERE IN THE WARNED AREA. LIGHTER RAINS WILL CONTINUE THROUGH MID AFTERNOON BUT RESIDUAL EFFECTS AND RUNOFF FROM THE HEAVY RAINS CAN STILL RESULT IN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THE HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. && LAT...LON 4276 7804 4267 7765 4199 7811 4199 7864 $$ SFM
076 WGUS71 KBUF 141759 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 159 PM EDT SUN AUG 14 2011 NYC003-009-051-121-141808- /O.EXP.KBUF.FF.W.0016.000000T0000Z-110814T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ALLEGANY NY-CATTARAUGUS NY-LIVINGSTON NY-WYOMING NY- 159 PM EDT SUN AUG 14 2011 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 200 PM EDT FOR SOUTHEASTERN WYOMING...SOUTHERN LIVINGSTON...SOUTHEASTERN CATTARAUGUS AND ALLEGANY COUNTIES... AT 158 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE HEAVY STORMS THAT PROMPTED THE WARNING HAVE WEAKENED. LIGHTER RAINS ARE STILL LIKELY FOR THE REST OF THE AFTERNOON. PONDING OF LOW LYING AND POOR DRAINAGE AREAS WILL BE POSSIBLE FOR AWHILE UNTIL THE WATER HAS TIME TO RUN OFF. LAT...LON 4276 7804 4267 7765 4199 7811 4199 7864 $$ SFM
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:10 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 65 min |
| Aug 13, 8:35 PM EDT | Severe Thunderstorm Warning | BUF | Ontario, Wayne | 55 min |
| Aug 13, 9:16 PM EDT | Special Weather Statement | BUF | Ontario | 59 min |
| Aug 13, 9:56 PM EDT | Flash Flood Warning | BUF | Ontario | 3 hr |
| Aug 13, 11:06 PM EDT | Areal Flood Advisory | BUF | Livingston | 118 min |
| Aug 13, 11:43 PM EDT | Flash Flood Warning | BUF | Livingston | 75 min |
| Aug 14, 9:00 AM EDT | Special Weather Statement | BUF | Erie | 60 min |
| Aug 14, 9:28 AM EDT | Special Weather Statement | BUF | Erie | 47 min |
| Aug 14, 10:12 AM EDT | Areal Flood Advisory | BUF | Allegany, Cattaraugus, Erie, Wyoming | 3 hr |
| Aug 14, 10:12 AM EDT | Special Weather Statement | BUF | Erie, Wyoming | 48 min |
| Aug 14, 11:10 AM EDT | Special Weather Statement | BUF | Erie | 50 min |
| Aug 14, 1:54 PM EDT | Flash Flood Warning | BUF | Livingston, Ontario | 3 hr |
| Aug 14, 2:33 PM EDT | Special Weather Statement | BUF | Monroe | 57 min |
| Aug 14, 2:40 PM EDT | Flash Flood Warning | BUF | Livingston, Monroe, Ontario, Wayne | 5 hr |
| Aug 14, 5:53 PM EDT | Areal Flood Advisory | BUF | Jefferson, Lewis, Oswego | 3 hr |
Nearby
Flash Flood Warnings in New York, 2011Every 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.