Alert archive / New York / Flash Flood Warnings in 2012
Flash Flood Warning 1, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Mar 19, 2012, 5:52 PM EDT for Allegany County, Livingston County, New York. It was in force for 2 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
- Mar 19, 2012, 5:52 PM EDT (21:52 UTC)
- Expired
- Mar 19, 2012, 8:13 PM EDT
- In force
- 2 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allegany County, NY, Livingston County, NY
The radar
The Buffalo radar (KBUF), 91 km from the middle of the area, began a volume at 21:52 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, 9.9 hours before the alert went out and 87 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
- 195 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 830 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
251
WGUS51 KBUF 192152
FFWBUF
NYC003-051-200045-
/O.NEW.KBUF.FF.W.0001.120319T2152Z-120320T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
552 PM EDT MON MAR 19 2012
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN ALLEGANY COUNTY IN WESTERN NEW YORK...
SOUTH CENTRAL LIVINGSTON COUNTY IN WESTERN NEW YORK...
THIS INCLUDES THE CITY OF DANSVILLE...
* UNTIL 845 PM EDT
* AT 545 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A
VERY SLOW MOVING THUNDERSTORM PRODUCING VERY HEAVY RAIN JUST
NORTHWEST OF CANASERAGA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE
IN THE WARNED AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4245 7795 4264 7790 4263 7767 4253 7769
4253 7771 4249 7771 4244 7772
$$
TJP3 follow-up statements
187
WGUS71 KBUF 192237
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
637 PM EDT MON MAR 19 2012
NYC003-051-200045-
/O.CON.KBUF.FF.W.0001.000000T0000Z-120320T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLEGANY NY-LIVINGSTON NY-
637 PM EDT MON MAR 19 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR SOUTH
CENTRAL LIVINGSTON AND NORTHEASTERN ALLEGANY COUNTIES...
AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AN AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR
OSSIAN CENTER. THE STORMS CONTINUE TO MOVE SLOWLY TO THE NORTH.
RADAR PRECIPITATION ESTIMATES INDICATE THAT A LITTLE OVER TWO INCHES
OF RAIN HAS FALLEN OVER FAR SOUTHERN LIVINGSTON COUNTY.
THEREFORE...ANY ADDITIONAL RAINFALL WILL INCREASE THE RISK OF FLASH
FLOODING.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DANSVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4245 7795 4264 7790 4263 7767 4253 7769
4253 7771 4249 7771 4244 7772
$$
TJP859
WGUS71 KBUF 192316
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
716 PM EDT MON MAR 19 2012
NYC003-051-200045-
/O.CON.KBUF.FF.W.0001.000000T0000Z-120320T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLEGANY NY-LIVINGSTON NY-
716 PM EDT MON MAR 19 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR SOUTH
CENTRAL LIVINGSTON AND NORTHEASTERN ALLEGANY COUNTIES...
AT 710 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE HEAVIEST RAIN HAS SUBSIDED. HOWEVER...ANOTHER BATCH OF
HEAVY RAIN...LOCATED NORTH OF ALFRED...WILL BE MOVING INTO THE
WARNING AREA AFTER 730 PM EDT. THEREFORE THE RISK FOR FLOODING WILL
CONTINUE.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DANSVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4245 7795 4264 7790 4263 7767 4253 7769
4253 7771 4249 7771 4244 7772
$$
TJP648
WGUS71 KBUF 200013
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
813 PM EDT MON MAR 19 2012
NYC003-051-200022-
/O.CAN.KBUF.FF.W.0001.000000T0000Z-120320T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLEGANY NY-LIVINGSTON NY-
813 PM EDT MON MAR 19 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTH CENTRAL
LIVINGSTON AND NORTHEASTERN ALLEGANY COUNTIES...
THE THUNDERSTORMS WHICH PRODUCED THE THREAT OF FLOODING HAVE ENDED.
SOME LIGHT RAIN WILL LINGER THROUGH THIS EVENING...BUT
THERE IS NO LONGER A THREAT OF FLOODING. THUS THE FLOOD WARNING HAS
BEEN CANCELLED.
LAT...LON 4245 7795 4264 7790 4263 7767 4253 7769
4253 7771 4249 7771 4244 7772
$$
TJPThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 5:22 PM EDT | Special Weather Statement | BUF | Livingston | 68 min |
| Mar 19, 5:38 PM EDT | Areal Flood Advisory | BUF | Allegany, Livingston | 20 min |
Nearby
Flash Flood Warnings in New York, 2012Every flash flood warning in 2012
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.