Alert archive / New York / Flash Flood Warnings in 2021
Flash Flood Warning 9, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Jul 14, 2021, 3:44 PM EDT for Rensselaer County, New York. It was in force for 2 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, 3:44 PM EDT (19:44 UTC)
- Expired
- Jul 14, 2021, 6:12 PM EDT
- In force
- 2 hr
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Rensselaer County, NY
The radar
The Albany radar (KENX), 39 km from the middle of the area, began a volume at 19:43 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, 4:15 PM EDT | FLASH FLOOD | 2 Ne Sycaway, NY | SEVERAL REPORTS OF ROADS FLOODED IN THE BRUNSWICK AREA. |
| Jul 14, 4:20 PM EDT | FLASH FLOOD | 2 W Brunswick, NY | SEVERAL REPORTS OF ROADS FLOODED IN THE EAGLE MILLS AREA. |
| Jul 14, 5:29 PM EDT | HEAVY RAIN 1.1 | Speigletown, NY | WEATHERNET6 |
| Jul 14, 5:34 PM EDT | HEAVY RAIN 1.25 | Center Brunswick, 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, 7.7 hours before the alert went out and 17 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.
377
WGUS51 KALY 141944
FFWALY
NYC083-142230-
/O.NEW.KALY.FF.W.0009.210714T1944Z-210714T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
344 PM EDT Wed Jul 14 2021
The National Weather Service in Albany has issued a
* Flash Flood Warning for...
Central Rensselaer County in east central New York...
* Until 630 PM EDT.
* At 344 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. The expected rainfall rate is 0.5 to 1 inch in 1
hour. 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...
Troy, Cohoes, Center Brunswick, Wynantskill, Brunswick,
Poestenkill, Clums Corner, Cropseyville, Eagle Mills, Brunswick
Center, Tamarack, Haynersville, Quackenkill, Sycaway, Albia,
Mountain View, Lansingburgh and South Troy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4276 7368 4277 7368 4278 7368 4279 7367
4282 7355 4270 7344 4269 7368 4268 7369
4272 7368
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1 INCH IN 1 HOUR
$$
KSL2 follow-up statements
481
WGUS71 KALY 142115
FFSALY
Flash Flood Statement
National Weather Service Albany NY
515 PM EDT Wed Jul 14 2021
NYC083-142230-
/O.CON.KALY.FF.W.0009.000000T0000Z-210714T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Rensselaer NY-
515 PM EDT Wed Jul 14 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EDT THIS
EVENING FOR CENTRAL RENSSELAER COUNTY...
At 515 PM EDT, Doppler radar indicated additional thunderstorms
producing heavy rain moving back toward the warned area. Between 1
and 2 inches of rain have fallen. The expected rainfall rate is 0.5
to 1 inch in 2 hours. Additional rainfall amounts of 1 to 2 inches
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Troy, Cohoes, Center Brunswick, Wynantskill, Brunswick,
Poestenkill, Clums Corner, Cropseyville, Eagle Mills, Brunswick
Center, Tamarack, Haynersville, Quackenkill, Sycaway, Albia,
Mountain View, Lansingburgh and South Troy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4276 7368 4277 7368 4278 7368 4279 7367
4282 7355 4270 7344 4269 7368 4268 7369
4272 7368
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1 INCH IN 1 HOUR
$$
KSL458
WGUS71 KALY 142212
FFSALY
Flash Flood Statement
National Weather Service Albany NY
612 PM EDT Wed Jul 14 2021
NYC083-142222-
/O.CAN.KALY.FF.W.0009.000000T0000Z-210714T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Rensselaer NY-
612 PM EDT Wed Jul 14 2021
...FLASH FLOOD WARNING FOR CENTRAL RENSSELAER COUNTY HAS BEEN
REPLACED WITH A FLOOD WARNING...
LAT...LON 4276 7368 4277 7368 4278 7368 4279 7367
4282 7355 4270 7344 4269 7368 4268 7369
4272 7368
$$
KSLThe 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, 3:53 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, 4:49 PM EDT | Flash Flood Warning | ALY | Rensselaer | 3 hr |
| 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.