Alert archive / New York / Flash Flood Watches in 2011
Flash Flood Watch 2, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood watch at May 14, 2011, 4:17 AM EDT for 5 counties in New York. It took effect at May 14, 2011, 12:00 PM EDT. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- May 14, 2011, 4:17 AM EDT (08:17 UTC)
- In effect from
- May 14, 2011, 12:00 PM EDT
- Expired
- May 15, 2011, 4:00 AM EDT
- In force
- 16 hr
- Issued by
- NWS Buffalo, NY
- Flood severity
- None
Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 56 km from the middle of the area, began a volume at 08:20 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 00:00Z, 8.3 hours before the alert went out and 53 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
- 161 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 978 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
116 WGUS61 KBUF 140817 FFABUF URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE BUFFALO NY 417 AM EDT SAT MAY 14 2011 ...SLOW MOVING DOWNPOURS COULD IMPACT THE WESTERN SOUTHERN TIER... .THUNDERSTORMS ARE ONCE AGAIN FORECAST TO DEVELOP ACROSS THE WESTERN SOUTHERN TIER THIS AFTERNOON AND EVENING...AND GIVEN THE LIGHT WINDS AND MOISTURE RICH AIRMASS...THIS COULD LEAD TO ANOTHER ROUND OF SLOW MOVING DOWNPOURS. SLOW MOVING STORMS ALREADY PRODUCED WIDESPREAD HALF TO ONE INCH RAINFALL AMOUNTS OVER THIS SAME AREA LATE FRIDAY...WITH SOME SITES PICKING UP IN EXCESS OF 3 INCHES. BECAUSE OF THIS HEAVY RAINFALL FROM FRIDAY...THE SOUTHERN TIER HAS A HEIGHTENED POTENTIAL FOR MORE FLOOD PROBLEMS FROM ADDITIONAL CONVECTION THIS AFTERNOON. NYZ012-019>021-085-141630- /O.NEW.KBUF.FF.A.0002.110514T1600Z-110515T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE- INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN... WELLSVILLE...ORCHARD PARK...SPRINGVILLE 417 AM EDT SAT MAY 14 2011 ...FLASH FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * FLASH FLOOD WATCH FOR A PORTION OF WESTERN NEW YORK... INCLUDING THE FOLLOWING COUNTIES...ALLEGANY...CATTARAUGUS... CHAUTAUQUA...SOUTHERN ERIE AND WYOMING. * FROM NOON EDT TODAY THROUGH THIS EVENING * SLOW MOVING DOWNPOURS ARE ONCE AGAIN EXPECTED THIS AFTERNOON AND EVENING. ANY THUNDERSTORM WILL THUS HAVE A HEIGHTENED CHANCE OF PRODUCING RAIN IN EXCESS OF ONE INCH PER HOUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THE THREAT OF FLASH FLOODING EXISTS ALONG RIVERS AND CREEKS. IF YOU ARE IN THE WATCH AREA YOU SHOULD MONITOR WEATHER CONDITIONS CLOSELY. BE READY TO MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV STATIONS FOR FURTHER UPDATES. && $$ RSH
3 follow-up statements
917 WGUS61 KBUF 142224 FFABUF FLOOD WATCH NATIONAL WEATHER SERVICE BUFFALO NY 624 PM EDT SAT MAY 14 2011 ...SLOW MOVING DOWNPOURS COULD IMPACT THE WESTERN SOUTHERN TIER... .SHOWERS AND THUNDERSTORMS WILL ONCE AGAIN MOVE ACROSS WESTERN PORTIONS OF THE SOUTHERN TIER THROUGH THIS EVENING. GIVEN THE LIGHT WINDS AND MOISTURE RICH AIRMASS...THIS COULD LEAD TO ANOTHER ROUND OF SLOW MOVING DOWNPOURS. SLOW MOVING STORMS ALREADY PRODUCED WIDESPREAD HALF TO ONE INCH RAINFALL AMOUNTS OVER THIS SAME AREA LATE FRIDAY...WITH SOME SITES PICKING UP IN EXCESS OF 3 INCHES. BECAUSE OF THIS HEAVY RAINFALL FROM FRIDAY...THE SOUTHERN TIER HAS A HEIGHTENED POTENTIAL FOR MORE FLOOD PROBLEMS FROM ADDITIONAL CONVECTION THIS AFTERNOON. NYZ012-019>021-085-150400- /O.CON.KBUF.FF.A.0002.000000T0000Z-110515T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE- INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN... WELLSVILLE...ORCHARD PARK...SPRINGVILLE 624 PM EDT SAT MAY 14 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF WESTERN NEW YORK...INCLUDING THE FOLLOWING COUNTIES...ALLEGANY...CATTARAUGUS...CHAUTAUQUA...SOUTHERN ERIE AND WYOMING. * UNTIL MIDNIGHT EDT TONIGHT * SLOW MOVING DOWNPOURS ARE ONCE AGAIN EXPECTED THROUGH THIS EVENING. STRONGER STORMS WILL HAVE A HEIGHTENED CHANCE OF PRODUCING RAIN IN EXCESS OF ONE INCH PER HOUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THE THREAT OF FLASH FLOODING EXISTS ALONG RIVERS AND CREEKS. IF YOU ARE IN THE WATCH AREA YOU SHOULD MONITOR WEATHER CONDITIONS CLOSELY. BE READY TO MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV STATIONS FOR FURTHER UPDATES. && $$ APFFEL
392 WGUS61 KBUF 150230 FFABUF URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE BUFFALO NY 1030 PM EDT SAT MAY 14 2011 ...SLOW MOVING DOWNPOURS COULD IMPACT THE WESTERN SOUTHERN TIER... .SHOWERS AND THUNDERSTORMS APPROACHING FROM WESTERN OHIO WILL ENTER THE SOUTHERN TIER LATE THIS EVENING INTO THE EARLY MORNING HOURS. WHILE SOME WEAKENING IS LIKELY OVERNIGHT...THESE STORMS HAVE THE POTENTIAL TO BRING ANOTHER ROUND OF HEAVY RAIN TO WESTERN PORTIONS OF THE SOUTHERN TIER THROUGH EARLY SUNDAY MORNING. NYZ012-019>021-085-150800- /O.EXT.KBUF.FF.A.0002.000000T0000Z-110515T0800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE- INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN... WELLSVILLE...ORCHARD PARK...SPRINGVILLE 1030 PM EDT SAT MAY 14 2011 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 4 AM EDT SUNDAY... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * A PORTION OF WESTERN NEW YORK...INCLUDING THE FOLLOWING COUNTIES...ALLEGANY...CATTARAUGUS...CHAUTAUQUA...SOUTHERN ERIE AND WYOMING. * UNTIL 4 AM EDT SUNDAY * SLOW MOVING SHOWERS MAY BRING HEAVY DOWNPOURS THROUGH EARLY SUNDAY MORNING. STRONGER STORMS WILL HAVE A HEIGHTENED CHANCE OF PRODUCING RAIN IN EXCESS OF ONE INCH PER HOUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THE THREAT OF FLASH FLOODING EXISTS ALONG RIVERS AND CREEKS. IF YOU ARE IN THE WATCH AREA YOU SHOULD MONITOR WEATHER CONDITIONS CLOSELY. BE READY TO MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV STATIONS FOR FURTHER UPDATES. && $$ APFFEL
586 WGUS61 KBUF 150815 FFABUF URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE BUFFALO NY 415 AM EDT SUN MAY 15 2011 ...ADDITIONAL SIGNIFICANT RAIN EXPECTED THROUGH TONIGHT... .LOW PRESSURE MOVING ACROSS PENNSYLVANIA WILL COMBINE WITH A FRONTAL BOUNDARY THAT WILL SAG SOUTH ACROSS NEW YORK STATE TO PRODUCE ANOTHER ROUND OF SIGNIFICANT RAINFALL THROUGH TONIGHT. WHILE THE HIGHEST RAINFALL AMOUNTS SHOULD BE FOUND ALONG AND NORTH OF A LINE FROM BUFFALO TO SYRACUSE...MOST OF THE REGION CAN EXPECT AT LEAST AN INCH OF RAIN THROUGH MONDAY MORNING. THIS RAINFALL...COMBINED WITH A SATURATED SURFACE FROM RECENT HEAVY RAINS...WILL PRODUCE HEIGHTENED FLOOD CONCERNS. MANY AREAS CREEKS AND STREAMS ARE ALREADY RUNNING HIGH AND WILL NOT TAKE MUCH MORE RAIN TO OVERFLOW THEIR BANKS. NYZ012-019>021-085-151615- /O.EXP.KBUF.FF.A.0002.000000T0000Z-110515T0800Z/ /O.NEW.KBUF.FA.A.0009.110515T1800Z-110516T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE- INCLUDING THE CITIES OF...WARSAW...JAMESTOWN...OLEAN... WELLSVILLE...ORCHARD PARK...SPRINGVILLE 415 AM EDT SUN MAY 15 2011 ...FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY MORNING... ...FLASH FLOOD WATCH HAS EXPIRED... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * FLOOD WATCH FOR A PORTION OF WESTERN NEW YORK...INCLUDING THE FOLLOWING COUNTIES...ALLEGANY...CATTARAUGUS...CHAUTAUQUA... SOUTHERN ERIE AND WYOMING. * FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY MORNING * WIDESPREAD RAIN THIS AFTERNOON AND TONIGHT WILL FALL ON ALREADY SATURATED SURFACES WITH AREA CREEKS AND STREAMS RUNNING HIGH. RAINFALL AMOUNTS OF AN INCH TO AN INCH AND A HALF ARE EXPECTED TODAY THROUGH MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES && THE FLASH FLOOD WATCH FOR THE WESTERN SOUTHERN TIER HAS EXPIRED. WHILE ADDITIONAL RAIN WILL FALL TODAY AND TONIGHT...SLOW MOVING DOWNPOURS FROM HEAVY CONVECTION ARE NO LONGER EXPECTED. $$ NYZ001>008-010-011-013-014-151615- /O.NEW.KBUF.FA.A.0009.110515T1800Z-110516T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON- LEWIS-NORTHERN ERIE-GENESEE-LIVINGSTON-ONTARIO- INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER... NEWARK...FAIR HAVEN...OSWEGO...WATERTOWN...LOWVILLE...BUFFALO... BATAVIA...GENESEO...CANANDAIGUA 415 AM EDT SUN MAY 15 2011 ...FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF CENTRAL AND WESTERN NEW YORK... INCLUDING THE FOLLOWING COUNTIES...IN CENTRAL NEW YORK... JEFFERSON...LEWIS...NORTHERN CAYUGA AND OSWEGO. IN WESTERN NEW YORK...GENESEE...LIVINGSTON...MONROE...NIAGARA...NORTHERN ERIE...ONTARIO...ORLEANS AND WAYNE. * FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY MORNING * WIDESPREAD RAIN TODAY AND TONIGHT WILL FALL ON ALREADY SATURATED SURFACES WITH AREA CREEKS AND STREAMS RUNNING HIGH. RAINFALL AMOUNTS OF AN INCH TO AN INCH AND A HALF ARE EXPECTED TODAY THROUGH MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV STATIONS FOR FURTHER DETAILS OR UPDATES && $$ RSH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 8:33 PM EDT | Areal Flood Warning | BUF | Cattaraugus, Wyoming | 3 hr |
| May 13, 9:12 PM EDT | Areal Flood Warning | BUF | Allegany | 6 hr |
| May 14, 3:53 PM EDT | Small Craft Advisory | BUF | 4 days | |
| May 14, 4:35 PM EDT | Special Weather Statement | BUF | Cattaraugus | 85 min |
| May 14, 5:57 PM EDT | Special Weather Statement | BUF | Cattaraugus | 63 min |
Nearby
Flash Flood Watches in New York, 2011Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.