Alert archive / New York / Flash Flood Watches in 2009
Flash Flood Watch 2, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood watch at Jun 11, 2009, 10:38 PM EDT for 6 counties in New York. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jun 11, 2009, 10:38 PM EDT (02:38 UTC)
- Expired
- Jun 12, 2009, 3:16 AM EDT
- In force
- 5 hr
- Issued by
- NWS Buffalo, NY
- Flood severity
- None
Counties Cayuga County, NY, Livingston County, NY, Ontario County, NY, Oswego County, NY, Wayne County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 127 km from the middle of the area, began a volume at 02:41 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
Albany, NY (KALY), launched 00:00Z, 2.6 hours before the alert went out and 275 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
- 163 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS61 KBUF 120238 FFABUF URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE BUFFALO NY 1038 PM EDT THU JUN 11 2009 ...LOCALLY HEAVY RAINS TO CONTINUE THROUGH THE NIGHT... .A BAND OF RAIN WILL PERSIST ALONG A STATIONARY FRONT LOCATED WEST TO EAST ACROSS WESTERN AND CENTRAL NEW YORK. RAINFALL RATES OF AROUND AN INCH PER HOUR ARE POSSIBLE IN THE WATCH AREA WITH SOME ISOLATED THUNDERSTORMS POSSIBLE AS WELL. THE RAIN WILL BE OVER AREAS WHICH HAD RECEIVED AROUND TWO INCHES OF RAIN DURING THURSDAY AFTERNOON WITH TOTAL RAINFALL NEAR THREE INCHES BY EARLY FRIDAY MORNING. NYZ004>006-012>014-121000- /O.NEW.KBUF.FF.A.0002.090612T0238Z-090612T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WAYNE-NORTHERN CAYUGA-OSWEGO-WYOMING-LIVINGSTON-ONTARIO- INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO...WARSAW... GENESEO...CANANDAIGUA 1038 PM EDT THU JUN 11 2009 ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL AND WESTERN NEW YORK...INCLUDING THE FOLLOWING COUNTIES...IN CENTRAL NEW YORK...NORTHERN CAYUGA AND OSWEGO. IN WESTERN NEW YORK... LIVINGSTON...ONTARIO...WAYNE AND WYOMING. * UNTIL 6 AM EDT FRIDAY * A BAND OF MODERATE TO LOCALLY HEAVY RAIN WILL PERSIST THROUGH THE NIGHT AS STORMS MOVE ALONG A STATIONARY FRONT AND DELIVER ONE TO TWO INCHES OF RAIN WITHIN THE WATCH AREA. * SMALL CREEKS AND STREAMS MAY RISE QUICKLY AND COVER ROADWAYS...AS WELL AS FLOODING OF UNDERPASSES AND SOME BASEMENT FLOODING. 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. && $$
2 follow-up statements
000 WGUS61 KBUF 120419 FFABUF FLOOD WATCH NATIONAL WEATHER SERVICE BUFFALO NY 1219 AM EDT FRI JUN 12 2009 ...LOCALLY HEAVY RAINS TO CONTINUE THROUGH THE NIGHT... .A BAND OF RAIN WILL PERSIST ALONG A STATIONARY FRONT LOCATED WEST TO EAST ACROSS CENTRAL NEW YORK. RAINFALL RATES OF AROUND AN INCH PER HOUR ARE POSSIBLE IN THE WATCH AREA WITH SOME ISOLATED THUNDERSTORMS POSSIBLE AS WELL. THE RAIN WILL BE OVER AREAS WHICH HAD RECEIVED AROUND TWO INCHES OF RAIN DURING THURSDAY AFTERNOON WITH TOTAL RAINFALL NEAR THREE INCHES BY EARLY FRIDAY MORNING. NYZ012>014-120530- /O.CAN.KBUF.FF.A.0002.000000T0000Z-090612T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WYOMING-LIVINGSTON-ONTARIO- INCLUDING THE CITIES OF...WARSAW...GENESEO...CANANDAIGUA 1219 AM EDT FRI JUN 12 2009 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR A PORTION OF WESTERN NEW YORK HAS BEEN CANCELLED. THE REGION OF HEAVIER RAIN HAS MOVED TO THE EAST. $$ NYZ004>006-121000- /O.CON.KBUF.FF.A.0002.000000T0000Z-090612T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WAYNE-NORTHERN CAYUGA-OSWEGO- INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO 1219 AM EDT FRI JUN 12 2009 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF CENTRAL AND WESTERN NEW YORK...INCLUDING THE FOLLOWING COUNTIES...IN CENTRAL NEW YORK...NORTHERN CAYUGA AND OSWEGO. IN WESTERN NEW YORK...WAYNE. * UNTIL 6 AM EDT EARLY THIS MORNING * A BAND OF MODERATE TO LOCALLY HEAVY RAIN WILL PERSIST THROUGH THE NIGHT AS STORMS MOVE ALONG A STATIONARY FRONT AND DELIVER ONE TO TWO INCHES OF RAIN WITHIN THE WATCH AREA. * SMALL CREEKS AND STREAMS MAY RISE QUICKLY AND COVER ROADWAYS... AS WELL AS FLOODING OF UNDERPASSES AND SOME BASEMENT FLOODING. 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. && $$
000 WGUS61 KBUF 120716 FFABUF FLOOD WATCH NATIONAL WEATHER SERVICE BUFFALO NY 316 AM EDT FRI JUN 12 2009 NYZ004>006-120830- /O.CAN.KBUF.FF.A.0002.000000T0000Z-090612T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WAYNE-NORTHERN CAYUGA-OSWEGO- INCLUDING THE CITIES OF...NEWARK...FAIR HAVEN...OSWEGO 316 AM EDT FRI JUN 12 2009 ...FLASH FLOOD WATCH IS CANCELLED... THE THREAT OF ADDITIONAL HEAVY RAINFALL HAS ENDED AS OF 3 AM...WITH ONLY INSIGNIFICANT ADDITIONAL RAINFALL AMOUNTS EXPECTED BEFORE THE RAIN ENDS AROUND SUNRISE THIS MORNING. THEREFORE...THE FLASH FLOOD WATCH HAS BEEN CANCELLED. $$ JJR
Nearby
Flash Flood Watches in New York, 2009Every flash flood watch in 2009
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.