Alert archive / New York / Flash Flood Watches in 2017
Flash Flood Watch 6, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood watch at Oct 30, 2017, 6:24 AM EDT for 5 counties in New York. It took effect at Oct 30, 2017, 2:00 PM EDT. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Oct 30, 2017, 6:24 AM EDT (10:24 UTC)
- In effect from
- Oct 30, 2017, 2:00 PM EDT
- Expired
- Oct 31, 2017, 5:27 PM EDT
- In force
- 27 hr
- Issued by
- NWS Buffalo, NY
- Flood severity
- None
Counties Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 118 km from the middle of the area, began a volume at 10:27 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, 10.4 hours before the alert went out and 116 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
- 592 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
322 WGUS61 KBUF 301024 FFABUF URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Buffalo NY 624 AM EDT Mon Oct 30 2017 NYZ010>012-085-301830- /O.NEW.KBUF.FF.A.0006.171030T1800Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Erie-Genesee-Wyoming-Southern Erie- Including the cities of Buffalo, Batavia, Warsaw, Orchard Park, and Springville 624 AM EDT Mon Oct 30 2017 ...FLASH FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH WEDNESDAY MORNING... The National Weather Service in Buffalo has issued a * Flash Flood Watch for a portion of western New York... including the following counties...Genesee...Northern Erie... Southern Erie and Wyoming. * From 2 PM EDT this afternoon through Wednesday morning. * Heavy lake effect rainfall may produce localized flash flooding in the Buffalo metro area. A band of heavy lake effect rain will develop this afternoon over the city of Buffalo and will likely settle across the Buffalo southtowns tonight through Tuesday. The lake effect rain will likely linger into Tuesday night before diminishing on Wednesday morning. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Buffalo metro area. Drainage inlets clogged by leaves may increase the risk of street 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. && $$ NYZ007-008-301830- /O.NEW.KBUF.FF.A.0006.171030T1800Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Lewis- Including the cities of Watertown and Lowville 624 AM EDT Mon Oct 30 2017 ...FLASH FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH WEDNESDAY MORNING... The National Weather Service in Buffalo has issued a * Flash Flood Watch for a portion of central New York... including the following counties...Jefferson and Lewis. * From 2 PM EDT this afternoon through Wednesday morning. * Heavy lake effect rainfall may produce localized flash flooding. The heavy lake effect rainfall will develop this evening and linger through Wednesday morning. Locations across Jefferson and Lewis county will be especially susceptible to flash flooding due to the recent heavy rainfall over the weekend. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Watertown metro area. Drainage inlets clogged by leaves may increase the risk of street flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means the threat of flash flooding exists along rivers and creeks. If you are in the watch area you should monitor weather conditions closely. Be ready to move to higher ground if flooding is observed or a warning is issued. Stay tuned to weather radio or other radio and tv stations for further updates. && $$ Church
6 follow-up statements
842 WGUS61 KBUF 301445 FFABUF Flood Watch National Weather Service Buffalo NY 1045 AM EDT Mon Oct 30 2017 NYZ010>012-085-302245- /O.CON.KBUF.FF.A.0006.171030T1800Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Erie-Genesee-Wyoming-Southern Erie- Including the cities of Buffalo, Batavia, Warsaw, Orchard Park, and Springville 1045 AM EDT Mon Oct 30 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of western New York...including the following counties...Genesee...Erie and Wyoming. * From 2 PM EDT this afternoon through Wednesday morning. * Heavy lake effect rainfall may produce localized flash flooding in the Buffalo metro area. A band of heavy lake effect rain will develop this afternoon over the city of Buffalo and will likely settle across the Buffalo southtowns tonight through Tuesday. The lake effect rain will likely linger into Tuesday night before diminishing on Wednesday morning. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Buffalo metro area. Drainage inlets clogged by leaves may increase the risk of street 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. && $$ NYZ007-008-302245- /O.CON.KBUF.FF.A.0006.171030T1800Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Lewis- Including the cities of Watertown and Lowville 1045 AM EDT Mon Oct 30 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of central New York...including the following counties...Jefferson and Lewis. * From 2 PM EDT this afternoon through Wednesday morning. * Heavy lake effect rainfall may produce localized flash flooding. The heavy lake effect rainfall will develop this evening and linger through Wednesday morning. Locations across Jefferson and Lewis county will be especially susceptible to flash flooding due to the recent heavy rainfall over the weekend. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Watertown metro area. Drainage inlets clogged by leaves may increase the risk of street flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means the threat of flash flooding exists along rivers and creeks. If you are in the watch area you should monitor weather conditions closely. Be ready to move to higher ground if flooding is observed or a warning is issued. Stay tuned to weather radio or other radio and tv stations for further updates. && $$ AR/Smith
244 WGUS61 KBUF 302312 FFABUF Flood Watch National Weather Service Buffalo NY 712 PM EDT Mon Oct 30 2017 NYZ010>012-085-310715- /O.CON.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Erie-Genesee-Wyoming-Southern Erie- Including the cities of Buffalo, Batavia, Warsaw, Orchard Park, and Springville 712 PM EDT Mon Oct 30 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of western New York...including the following counties...Genesee...Northern Erie...Southern Erie and Wyoming. * Through Wednesday morning. * Heavy lake effect rain, producing rainfall rates of up to a half inch to three quarters of an inch per hour may produce localized flash flooding. A band of heavy lake effect rain will remain over central and southern Erie county, and into Genesee and Wyoming counties this evening. The band will settle south across southern Erie and Wyoming counties overnight through Tuesday. The lake effect rain will likely linger into Tuesday night before diminishing on Wednesday morning. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Buffalo metro area. Drainage inlets clogged by leaves may increase the risk of street 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. && $$ NYZ007-008-310715- /O.CON.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Lewis- Including the cities of Watertown and Lowville 712 PM EDT Mon Oct 30 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of central New York...including the following counties...Jefferson and Lewis. * Through Wednesday morning. * Heavy lake effect rainfall may produce localized flash flooding. The heavy lake effect rainfall will develop this evening and linger through Wednesday morning. Locations across Jefferson and Lewis county will be especially susceptible to flash flooding due to the recent heavy rainfall over the weekend. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Watertown metro area. Drainage inlets clogged by leaves may increase the risk of street flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means the threat of flash flooding exists along rivers and creeks. If you are in the watch area you should monitor weather conditions closely. Be ready to move to higher ground if flooding is observed or a warning is issued. Stay tuned to weather radio or other radio and tv stations for further updates. && $$ TMA
117 WGUS61 KBUF 310259 FFABUF Flood Watch National Weather Service Buffalo NY 1059 PM EDT Mon Oct 30 2017 NYZ010>012-085-311100- /O.CON.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Erie-Genesee-Wyoming-Southern Erie- Including the cities of Buffalo, Batavia, Warsaw, Orchard Park, and Springville 1059 PM EDT Mon Oct 30 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of western New York...including the following counties...Genesee...Northern Erie...Southern Erie and Wyoming. * Through Wednesday morning. * Heavy lake effect rain may produce localized flash flooding. A band of heavy lake effect rain will remain over southern Erie and Wyoming counties through Tuesday. The band may move north into northern Erie county overnight. The lake effect rain will likely linger into Tuesday night before diminishing on Wednesday morning. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Buffalo metro area. Drainage inlets clogged by leaves may increase the risk of street 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. && $$ NYZ007-008-311100- /O.CON.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Lewis- Including the cities of Watertown and Lowville 1059 PM EDT Mon Oct 30 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of central New York...including the following counties...Jefferson and Lewis. * Through Wednesday morning. * Heavy lake effect rainfall may produce localized flash flooding. The heavy lake effect rainfall will develop overnight and linger through Wednesday morning. Locations across Jefferson and Lewis county will be especially susceptible to flash flooding due to the recent heavy rainfall over the weekend. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Watertown metro area. Drainage inlets clogged by leaves may increase the risk of street flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means the threat of flash flooding exists along rivers and creeks. If you are in the watch area you should monitor weather conditions closely. Be ready to move to higher ground if flooding is observed or a warning is issued. Stay tuned to weather radio or other radio and tv stations for further updates. && $$ TMA
976 WGUS61 KBUF 310758 FFABUF Flood Watch National Weather Service Buffalo NY 358 AM EDT Tue Oct 31 2017 NYZ008-310900- /O.CAN.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lewis- Including the city of Lowville 358 AM EDT Tue Oct 31 2017 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for a portion of central New York has been cancelled. Most of the lake effect rain is expected to stay north and west of Lewis County. $$ NYZ010>012-085-311600- /O.CON.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Erie-Genesee-Wyoming-Southern Erie- Including the cities of Buffalo, Batavia, Warsaw, Orchard Park, and Springville 358 AM EDT Tue Oct 31 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of western New York...including the following counties...Genesee...Northern Erie...Southern Erie and Wyoming. * Through Wednesday morning. * Heavy lake effect rain may produce localized flash flooding. A band of heavy lake effect rain over southern Erie and Wyoming counties will move north towards Buffalo and Batavia this morning, before moving back south this afternoon. Additional rainfall amounts of 1 to 2 inches are possible where the lake effect rain lasts the longest. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Buffalo metro area. Drainage inlets clogged by leaves may increase the risk of street flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means the threat of flash flooding exists along rivers and creeks. If you are in the watch area you should monitor weather conditions closely. Be ready to move to higher ground if flooding is observed or a warning is issued. Stay tuned to weather radio or other radio and tv stations for further updates. && $$ NYZ007-311600- /O.CON.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson- Including the city of Watertown 358 AM EDT Tue Oct 31 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of central New York...including the following county...Jefferson. * Through Wednesday morning. * Heavy lake effect rainfall may produce localized flash flooding. A band of heavy lake effect rain will continue mainly over central and northern Jefferson County today and tonight. Additional rainfall amounts of up to an inch are possible where the lake effect rain lasts the longest. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Watertown metro area. Drainage inlets clogged by leaves may increase the risk of street 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. && $$ HITCHCOCK/CHURCH
991 WGUS61 KBUF 311546 FFABUF Flood Watch National Weather Service Buffalo NY 1146 AM EDT Tue Oct 31 2017 NYZ010>012-085-010000- /O.CON.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Erie-Genesee-Wyoming-Southern Erie- Including the cities of Buffalo, Batavia, Warsaw, Orchard Park, and Springville 1146 AM EDT Tue Oct 31 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of western New York...including the following counties...Genesee...Erie and Wyoming. * Through Wednesday morning. * Heavy lake effect rain may produce localized flash flooding. A band of heavy lake effect rain over the Buffalo Metro area and points east will slowly move south later this afternoon. Additional rainfall amounts of 1 to 2 inches are possible where the lake effect rain lasts the longest. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Buffalo metro area. Drainage inlets clogged by leaves may increase the risk of street flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means the threat of flash flooding exists along rivers and creeks. If you are in the watch area you should monitor weather conditions closely. Be ready to move to higher ground if flooding is observed or a warning is issued. Stay tuned to weather radio or other radio and tv stations for further updates. && $$ NYZ007-010000- /O.CON.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson- Including the city of Watertown 1146 AM EDT Tue Oct 31 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch continues for * A portion of central New York...including the following county...Jefferson. * Through Wednesday morning. * Heavy lake effect rainfall may produce localized flash flooding. A band of heavy lake effect rain will continue over central Jefferson County today and tonight. Additional rainfall amounts of up to an inch are possible where the lake effect rain lasts the longest. * Excessive runoff from the heavy rainfall may result in flooding of low lying areas and also small streams and creeks. Urban flooding in possible in the Watertown metro area. Drainage inlets clogged by leaves may increase the risk of street 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. && $$ AR/Zaff
316 WGUS61 KBUF 312127 FFABUF Flood Watch National Weather Service Buffalo NY 527 PM EDT Tue Oct 31 2017 NYZ007-010>012-085-312230- /O.CAN.KBUF.FF.A.0006.000000T0000Z-171101T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Northern Erie-Genesee-Wyoming-Southern Erie- Including the cities of Watertown, Buffalo, Batavia, Warsaw, Orchard Park, and Springville 527 PM EDT Tue Oct 31 2017 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of central and western New York has been cancelled. Lake Effect rain is expected to weaken while quickly shifting north through the overnight. $$ SMITH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 10:56 PM EDT | Areal Flood Warning | BUF | Allegany, Livingston, Monroe, Ontario, Wayne | 12 hr |
| Oct 30, 12:00 AM EDT | Areal Flood Warning | BUF | Cayuga, Jefferson, Lewis, Oswego | 12 hr |
| Oct 30, 6:25 AM EDT | Winter Weather Advisory | BUF | Erie, Wyoming | 30 hr |
| Oct 30, 12:07 PM EDT | Areal Flood Warning | BUF | Jefferson | 3 hr |
| Oct 30, 3:06 PM EDT | Areal Flood Warning | BUF | Jefferson | 6 hr |
| Oct 30, 7:43 PM EDT | Areal Flood Warning | BUF | Monroe | 24 hr |
Nearby
Flash Flood Watches in New York, 2017Every flash flood watch in 2017
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.