Alert archive / New York / Flash Flood Warnings in 2021
Flash Flood Warning 11, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Jul 14, 2021, 4:49 PM EDT for Rensselaer County, New York. It was in force for 3 hr. 4 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
- Jul 14, 2021, 4:49 PM EDT (20:49 UTC)
- Expired
- Jul 14, 2021, 8:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Rensselaer County, NY
The radar
The Albany radar (KENX), 36 km from the middle of the area, began a volume at 20:53 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 |
|---|---|---|---|
| Jul 14, 5:15 PM EDT | FLASH FLOOD | 2 Sse East Greenbush, NY | SEVERAL REPORTS OF ROADS FLOODED IN THE TOWN OF SCHODACK. |
| Jul 14, 5:30 PM EDT | FLASH FLOOD | East Greenbush, NY | WATER REACHING HOMES AND FLOODING BASEMENTS ALONG BERKSHIRE DRIVE AD EVERGREEN WAY. |
| Jul 14, 5:30 PM EDT | FLASH FLOOD | East Greenbush, NY | WATER REACHING HOMES AND FLOODING BASEMENTS ALONG BERKSHIRE DRIVE AND EVERGREEN WAY. |
| Jul 14, 7:02 PM EDT | HEAVY RAIN 1.37 | Castleton, 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, 8.8 hours before the alert went out and 20 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
- 20 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 871 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
829
WGUS51 KALY 142049
FFWALY
NYC083-150000-
/O.NEW.KALY.FF.W.0011.210714T2049Z-210715T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
449 PM EDT Wed Jul 14 2021
The National Weather Service in Albany has issued a
* Flash Flood Warning for...
Southwestern Rensselaer County in east central New York...
* Until 800 PM EDT.
* At 449 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. The expected rainfall rate is 1 to 2 inches in 2
hours. Additional rainfall amounts of 1 to 2 inches 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...
East Greenbush, West Sand Lake, Averill Park, Sand Lake, North
Schodack, Sliters, Millers Corners, Shivers Corners, Totem Lodge,
Best, North Nassau, East Schodack, Luther, Glass Lake, Denault
Corners, Schodack Center and Dunham Hollow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4260 7372 4266 7349 4257 7348 4255 7373
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 2 HOURS
$$
KSL1 follow-up statement
622 WGUS71 KALY 142357 FFSALY Flash Flood Statement National Weather Service Albany NY 757 PM EDT Wed Jul 14 2021 NYC083-150007- /O.EXP.KALY.FF.W.0011.000000T0000Z-210715T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rensselaer NY- 757 PM EDT Wed Jul 14 2021 ...FLASH FLOOD WARNING AT 8 PM EDT THIS EVENING FOR SOUTHWESTERN RENSSELAER COUNTY HAS BEEN REPLACED WITH A FLOOD WARNING... Heavy rainfall has ended in the warning area, however several roads remain flooded in the area. LAT...LON 4260 7372 4266 7349 4257 7348 4255 7373 $$ JPV
The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 10:59 PM EDT | Special Weather Statement | ALY | Hamilton, Herkimer | 46 min |
| Jul 13, 11:21 PM EDT | Special Weather Statement | ALY | Otsego | 39 min |
| Jul 13, 11:47 PM EDT | Special Weather Statement | ALY | Fulton, Hamilton, Herkimer, Montgomery | 43 min |
| Jul 14, 12:42 AM EDT | Special Weather Statement | ALY | Ulster | 48 min |
| Jul 14, 1:08 PM EDT | Special Weather Statement | ALY | Saratoga | 37 min |
| Jul 14, 1:53 PM EDT | Special Weather Statement | ALY | Washington | 52 min |
| Jul 14, 2:32 PM EDT | Special Weather Statement | ALY | Rensselaer | 43 min |
| Jul 14, 2:47 PM EDT | Special Weather Statement | ALY | Rensselaer | 43 min |
| Jul 14, 2:58 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Saratoga, Washington | 62 min |
| Jul 14, 3:09 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer | 66 min |
| Jul 14, 3:18 PM EDT | Severe Thunderstorm Warning | ALY | Washington | 57 min |
| Jul 14, 3:22 PM EDT | Areal Flood Advisory | ALY | Albany, Rensselaer | 3 hr |
| Jul 14, 3:44 PM EDT | Flash Flood Warning | ALY | Rensselaer | 2 hr |
| Jul 14, 3:53 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer | 52 min |
| Jul 14, 4:14 PM EDT | Flash Flood Warning | ALY | Rensselaer | 3 hr |
| Jul 14, 4:15 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer | 28 min |
| Jul 14, 4:51 PM EDT | Special Weather Statement | ALY | Rensselaer | 24 min |
| Jul 14, 5:39 PM EDT | Areal Flood Advisory | ALY | Columbia | 3 hr |
| Jul 14, 5:54 PM EDT | Areal Flood Advisory | ALY | Rensselaer | 3 hr |
| Jul 14, 6:12 PM EDT | Areal Flood Warning | ALY | Rensselaer | 3 hr |
| Jul 14, 6:47 PM EDT | Areal Flood Warning | ALY | Rensselaer | 3 hr |
| Jul 14, 6:49 PM EDT | Special Weather Statement | ALY | Columbia | 41 min |
| Jul 14, 6:56 PM EDT | Special Weather Statement | ALY | Greene | 64 min |
| Jul 14, 7:06 PM EDT | Flash Flood Warning | ALY | Columbia | 3 hr |
| Jul 14, 7:14 PM EDT | Areal Flood Advisory | ALY | Columbia | 2 hr |
| Jul 14, 7:57 PM EDT | Areal Flood Warning | ALY | Rensselaer | 3 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.