Alert archive / New York / Flash Flood Warnings in 2012
Flash Flood Warning 3, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jun 12, 2012, 3:58 PM EDT for Allegany County, New York. It was in force for 3 hr. 2 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
- Jun 12, 2012, 3:58 PM EDT (19:58 UTC)
- Expired
- Jun 12, 2012, 7:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Allegany County, NY
The radar
The Buffalo radar (KBUF), 112 km from the middle of the area, began a volume at 19:58 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 |
|---|---|---|---|
| Jun 12, 4:30 PM EDT | FLASH FLOOD | 1 N Germantown, NY | ROUTE 6 PARTIALLY CLOSED. |
| Jun 12, 4:45 PM EDT | FLASH FLOOD | Wirt, NY | ROUTE 275 BRIEFLY FLOODED. |
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, 8.0 hours before the alert went out and 109 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
- 78 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
861 WGUS51 KBUF 121958 FFWBUF NYC003-122300- /O.NEW.KBUF.FF.W.0003.120612T1958Z-120612T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BUFFALO NY 358 PM EDT TUE JUN 12 2012 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN ALLEGANY COUNTY IN WESTERN NEW YORK... THIS INCLUDES BOLIVAR AND THE CITY OF WELLSVILLE... * UNTIL 700 PM EDT * AT 355 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM SEVERAL THUNDERSTORMS OVER SOUTHERN ALLEGANY COUNTY. DUAL POL DOPPLER RADAR ESTIMATED THAT OVER 2 INCHES OF RAIN HAS ALREADY BEEN PRODUCED FOR SITES NEAR BOLIVAR. THIS HEAVY RAIN WILL MOVE EAST TO THE WELLSVILLE AND STANNARDS AREA. 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 ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. && LAT...LON 4200 7830 4217 7830 4218 7773 4200 7774 $$ RSH
3 follow-up statements
743 WGUS71 KBUF 122056 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 456 PM EDT TUE JUN 12 2012 NYC003-122300- /O.CON.KBUF.FF.W.0003.000000T0000Z-120612T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ALLEGANY NY- 456 PM EDT TUE JUN 12 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR SOUTHERN ALLEGANY COUNTY... AT 449 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED AREA. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WELLSVILLE...WHITESVILLE...BOLIVAR. SOME OF THE HEAVIEST RAINFALL WAS OVER THE WESTERN PART OF THE WARNED AREA IN THE TOWNSHIPS OF CLARKSVILLE AND WIRT WITH ABOUT TWO AND A HALF INCHES TO NEARLY THREE INCHES OF RAIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF A QUARTER OF AN INCH ARE POSSIBLE IN THE WARNED AREA. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. && LAT...LON 4200 7830 4217 7830 4218 7773 4200 7774 $$ WCH
615 WGUS71 KBUF 122217 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 617 PM EDT TUE JUN 12 2012 NYC003-122300- /O.CON.KBUF.FF.W.0003.000000T0000Z-120612T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ALLEGANY NY- 617 PM EDT TUE JUN 12 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR SOUTHERN ALLEGANY COUNTY... AT 611 PM EDT...A THUNDERSTORM PRODUCING FLASH FLOODING WAS REPORTED OVER THE WARNED AREA. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WELLSVILLE...WHITESVILLE AND BOLIVAR. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF A TENTH OF AN INCH ARE POSSIBLE IN THE WARNED AREA. 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 4200 7830 4217 7830 4218 7773 4200 7774 $$ WCH
296 WGUS71 KBUF 122258 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 658 PM EDT TUE JUN 12 2012 NYC003-122309- /O.EXP.KBUF.FF.W.0003.000000T0000Z-120612T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ALLEGANY NY- 658 PM EDT TUE JUN 12 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 700 PM EDT FOR SOUTHERN ALLEGANY COUNTY... THE FLOODING HAS RECEDED...THUS THE FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. AT 659 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE AREA...THUS THE FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 4200 7830 4217 7830 4218 7773 4200 7774 $$ WCH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 1:40 PM EDT | Special Weather Statement | BUF | Cattaraugus | 65 min |
| Jun 12, 2:55 PM EDT | Special Weather Statement | BUF | Wayne | 65 min |
| Jun 12, 2:59 PM EDT | Areal Flood Advisory | BUF | Allegany, Cattaraugus | 3 hr |
| Jun 12, 3:19 PM EDT | Flash Flood Warning | BUF | Cattaraugus | 116 min |
| Jun 12, 3:40 PM EDT | Areal Flood Advisory | BUF | Allegany | 3 hr |
| Jun 12, 3:45 PM EDT | Small Craft Advisory | BUF | 19 hr | |
| Jun 12, 6:04 PM EDT | Special Weather Statement | BUF | Genesee | 56 min |
| Jun 12, 7:16 PM EDT | Special Marine Warning | BUF | 59 min | |
| Jun 12, 7:17 PM EDT | Special Weather Statement | BUF | Wyoming | 58 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.