Alert archive / New York / Flash Flood Warnings in 2021
Flash Flood Warning 30, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Sep 1, 2021, 5:58 PM EDT for Dutchess County, Ulster County, New York; Northwest Hills Planning Region, Connecticut. It was in force for 6 hr. 39 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
- Sep 1, 2021, 5:58 PM EDT (21:58 UTC)
- Expired
- Sep 1, 2021, 11:45 PM EDT
- In force
- 6 hr
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Northwest Hills Planning Region, CT, Dutchess County, NY, Ulster County, NY
The radar
The Albany radar (KENX), 88 km from the middle of the area, began a volume at 22:00 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 |
|---|---|---|---|
| Sep 1, 6:50 PM EDT | HEAVY RAIN 1.08 | Olivebridge, NY | WEATHERNET6 |
| Sep 1, 7:40 PM EDT | HEAVY RAIN 3.01 | 1 Nnw Wappingers Falls, NY | |
| Sep 1, 7:45 PM EDT | HEAVY RAIN 2.35 | Poughquag, NY | |
| Sep 1, 7:58 PM EDT | HEAVY RAIN 1.07 | Red Hook, NY | WEATHERNET6 |
| Sep 1, 8:00 PM EDT | HEAVY RAIN 3.2 | New Paltz, NY | |
| Sep 1, 8:10 PM EDT | HEAVY RAIN 2.3 | 2 N Dover Plains, NY | |
| Sep 1, 8:10 PM EDT | HEAVY RAIN 3.01 | 2 Ne Beacon, NY | |
| Sep 1, 8:10 PM EDT | HEAVY RAIN 3.06 | 3 Ne Wallkill, NY | |
| Sep 1, 8:15 PM EDT | HEAVY RAIN 2.15 | 2 S High Falls, NY | |
| Sep 1, 8:20 PM EDT | HEAVY RAIN 1.6 | 5 Ne Claryville, NY | |
| Sep 1, 8:50 PM EDT | HEAVY RAIN 2.05 | Woodbury Center, CT | |
| Sep 1, 9:11 PM EDT | HEAVY RAIN 4.05 | 1 Nnw Wappingers Falls, NY | |
| Sep 1, 9:24 PM EDT | FLASH FLOOD | 3 N Gardner, NY | FOUR TO EIGHT INCHES OF MOVING WATER ON ALBANY POST ROAD |
| Sep 1, 9:57 PM EDT | HEAVY RAIN 1.82 | Ulster Park, NY | WEATHERNET6 |
| Sep 1, 10:15 PM EDT | HEAVY RAIN 3.25 | 5 Ssw New Milford, CT | 1.25 INCHES IN THE LAST 75 MINUTES |
| Sep 1, 10:21 PM EDT | HEAVY RAIN 5.05 | 1 Nnw Wappingers Falls, NY | |
| Sep 1, 10:30 PM EDT | FLOOD | 3 W Dover Plains, NY | COUNTY ROAD 23 CHESTNUT RIDGE AT KILLEAN ROAD IN UNION VALE CLOSED DUE TO FLOODING |
| Sep 1, 10:30 PM EDT | FLOOD | 3 Wsw Dover Plains, NY | COUNTY ROAD 24 NORTH OF CAMBY ROAD IN DOVER HAS WATER RUNNING OVER THE ROAD MAKING IT IMPASSABLE. |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 1 Se Arlington, NY | TITUSVILLE RD, PHILLIPS RD AND OLD MANCHESTER RD ONLY ONE LANE OPEN DUE TO FLOODING |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 1 Se Dover Plains, NY | TEN MILE RIVER DRIVE CLOSED AT STEPHENS ROAD DUE TO FLOODING |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 1 Ssw Millbrook, NY | COUNTY ROUTE 111 CLOSED DUE TO FLOODING |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 2 Ene Poughquag, NY | WATER OVER THE BRIDGE ON GARNDER HOLLOW ROAD NEAR BUCK DRIVE. ROAD IMPASSABLE. |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 2 E Red Oaks Mill, NY | NOXON RD AND COLONIAL DR FLOODED AND IMPASSABLE |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 2 S Fishkill, NY | ROUTE 9 CLOSED AT CLOVE ROAD DUE TO WATER RUNNING ACROSS THE ROADWAY |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 2 Sw Poughkeepsie, NY | ROUTE 9W CLOSED AT PERKINSVILLE ROAD DUE TO FLOODING |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 2 Wsw Ellenville, NY | ROUTE 209 CLOSED AT OLD MINISINK TRAIL DUE TO FLOODING |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 2 Wsw Kerhonkson, NY | BERME ROAD CLOSED DUE TO FLOODING |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 3 W Dover Plains, NY | COUNTY ROAD 23 CHESTNUT RIDGE AT KILLEAN ROAD IN UNION VALE CLOSED DUE TO FLOODING |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 3 Wsw Dover Plains, NY | COUNTY ROAD 24 NORTH OF CAMBY ROAD IN DOVER HAS WATER RUNNING OVER THE ROAD MAKING IT IMPASSABLE. |
| Sep 1, 10:30 PM EDT | FLASH FLOOD | 4 Wsw Napanoch, NY | BRIGGS HIGHWAY CLOSED DUE TO FLOODING |
| Sep 1, 10:46 PM EDT | HEAVY RAIN 2.57 | Port Ewen, NY | WEATHERNET6 |
| Sep 1, 10:50 PM EDT | HEAVY RAIN 3.31 | 2 S High Falls, NY | |
| Sep 1, 10:50 PM EDT | HEAVY RAIN 3.64 | 2 N Dover Plains, NY | |
| Sep 1, 10:50 PM EDT | HEAVY RAIN 4.43 | 3 Ne Wallkill, NY | |
| Sep 1, 10:50 PM EDT | HEAVY RAIN 5.19 | 2 Ne Beacon, NY | |
| Sep 1, 10:55 PM EDT | HEAVY RAIN 2.19 | 5 Ne Claryville, NY | |
| Sep 1, 10:55 PM EDT | HEAVY RAIN 2.55 | 1 Nw Red Hook, NY | |
| Sep 1, 11:00 PM EDT | HEAVY RAIN 2.6 | Woodbury Center, CT | |
| Sep 1, 11:49 PM EDT | HEAVY RAIN 3.1 | Port Ewen, NY | WEATHERNET6 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.0 hours before the alert went out and 97 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
- 1152 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
143
WGUS51 KALY 012158
FFWALY
CTC005-NYC027-111-020345-
/O.NEW.KALY.FF.W.0030.210901T2158Z-210902T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
558 PM EDT Wed Sep 1 2021
The National Weather Service in Albany has issued a
* Flash Flood Warning for...
Litchfield County in northern Connecticut...
Dutchess County in east central New York...
Ulster County in east central New York...
* Until 1145 PM EDT.
* At 558 PM EDT, Doppler radar indicated heavy rain across the
warned area. Between 1 and 2 inches of rain have fallen.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Torrington, Poughkeepsie, New Milford, Kingston, Beacon, New
Paltz, Ellenville, Saugerties, Rhinebeck, Pawling, Wallkill, Hyde
Park, Milton, Plattekill, Pleasant Valley, Thomaston, New
Hartford, Hurley, Woodstock and Wappingers Falls.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 4203 7474 4217 7445 4210 7408 4218 7400
4201 7371 4198 7353 4205 7349 4197 7289
4181 7295 4180 7302 4164 7298 4151 7316
4149 7344 4167 7352 4153 7353 4144 7398
4159 7395 4159 7437 4175 7457 4188 7445
FLASH FLOOD...RADAR INDICATED
$$
JPVThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 2:16 PM EDT | Areal Flood Advisory | ALY | Dutchess, Ulster | 119 min |
| Sep 1, 4:16 PM EDT | Areal Flood Advisory | ALY | Dutchess, Ulster | 3 hr |
| Sep 1, 7:19 PM EDT | Areal Flood Advisory | ALY | Columbia, Greene | 3 hr |
| Sep 1, 1:30 PM EDT | River Flood Warning | ALY | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 21 days |
Nearby
Flash Flood Warnings in New York, 2021Flash Flood Warnings in Connecticut, 2021Every flash flood warning in 2021
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.