Alert archive / New York / Flash Flood Warnings in 2021
Flash Flood Warning 32, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Sep 8, 2021, 8:48 PM EDT for Greene County, Ulster County, New York. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 8, 2021, 8:48 PM EDT (00:48 UTC)
- Expired
- Sep 8, 2021, 11:47 PM EDT
- In force
- 3 hr
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greene County, NY, Ulster County, NY
The radar
The Albany radar (KENX), 48 km from the middle of the area, began a volume at 00:51 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, 0.8 hours before the alert went out and 64 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
- 769 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1050 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
365
WGUS51 KALY 090048
FFWALY
NYC039-111-090400-
/O.NEW.KALY.FF.W.0032.210909T0048Z-210909T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
848 PM EDT Wed Sep 8 2021
The National Weather Service in Albany has issued a
* Flash Flood Warning for...
South Central Greene County in east central New York...
Northeastern Ulster County in east central New York...
* Until midnight EDT.
* At 848 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts up to 1 inch are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
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...
Woodstock, North-South Lake Campground, Tannersville, Platte
Clove, Elka Park, Haines Falls, West Saugerties, Shady, Daisy,
Byrdcliffe, Manorville, Blue Mountain, Mountain House, Edgewood,
Palenville, Lake Hill, Bearsville, Saxton and Willow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4211 7425 4213 7425 4221 7417 4222 7412
4223 7410 4225 7400 4217 7397 4216 7397
4207 7403 4202 7425
FLASH FLOOD...RADAR INDICATED
$$
JPV1 follow-up statement
849
WGUS71 KALY 090347
FFSALY
Flash Flood Statement
National Weather Service Albany NY
1147 PM EDT Wed Sep 8 2021
NYC039-111-090357-
/O.CAN.KALY.FF.W.0032.000000T0000Z-210909T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene NY-Ulster NY-
1147 PM EDT Wed Sep 8 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTH CENTRAL GREENE AND
NORTHEASTERN ULSTER COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat.
LAT...LON 4211 7425 4213 7425 4221 7417 4222 7412
4223 7410 4225 7400 4217 7397 4216 7397
4207 7403 4202 7425
$$
JPVThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 8:00 PM EDT | Special Weather Statement | ALY | Columbia | 45 min |
| Sep 8, 8:18 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene, Ulster | 42 min |
| Sep 8, 8:31 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene, Rensselaer | 59 min |
| Sep 8, 8:38 PM EDT | Special Weather Statement | ALY | Ulster | 37 min |
| Sep 8, 8:39 PM EDT | Areal Flood Advisory | ALY | Greene, Ulster | 3 hr |
| Sep 8, 8:56 PM EDT | Areal Flood Advisory | ALY | Columbia, Greene, Rensselaer | 2 hr |
| Sep 8, 8:57 PM EDT | Special Weather Statement | ALY | Columbia | 48 min |
| Sep 8, 9:20 PM EDT | Areal Flood Advisory | ALY | Columbia, Dutchess | 115 min |
| Sep 8, 9:24 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Rensselaer | 21 min |
| Sep 8, 9:53 PM EDT | Areal Flood Advisory | ALY | Columbia | 112 min |
| Sep 8, 9:59 PM EDT | Special Weather Statement | ALY | Dutchess | 31 min |
Nearby
Flash Flood Warnings in New York, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.