Alert archive / New York / Flash Flood Warnings in 2021
Flash Flood Warning 26, NWS Albany, NY
NWS Albany, NY issued this flash flood warning at Aug 13, 2021, 7:15 PM EDT for Albany County, New York. It was in force for 2 hr. 7 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
- Aug 13, 2021, 7:15 PM EDT (23:15 UTC)
- Expired
- Aug 13, 2021, 9:21 PM EDT
- In force
- 2 hr
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Albany County, NY
The radar
The Albany radar (KENX), 25 km from the middle of the area, began a volume at 23:15 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 |
|---|---|---|---|
| Aug 13, 7:24 PM EDT | FLASH FLOOD | 2 Sw Voorheesville, NY | ROAD CLOSED NEAR NEW SCOTLAND RD AND NEW SALEM RD. |
| Aug 13, 7:31 PM EDT | FLASH FLOOD | 2 Ese Westmere, NY | ROAD CLOSED ON FULLER RD AND ROUTE 20. |
| Aug 13, 7:31 PM EDT | FLASH FLOOD | 2 Se Westmere, NY | ROAD CLOSED NEAR 15520 SCHOOLHOUSE RD. |
| Aug 13, 7:36 PM EDT | FLASH FLOOD | 2 Ese Westmere, NY | ROAD CLOSED ON SHADY LANE AND OAK DRIVE. |
| Aug 13, 8:12 PM EDT | HEAVY RAIN 1.98 | 2 Ese Westmere, NY | 1.98 INCHES IN 1.5 HOURS. PEA SIZE HAIL TOO. |
| Aug 13, 9:25 PM EDT | HEAVY RAIN 1.11 | 1 W Albany, NY | MOST FELL IN AN HOUR |
| Aug 13, 9:25 PM EDT | HEAVY RAIN 1.11 | 1 W Albany, NY | STORM TOTAL. MOST FELL WITHIN ONE HOUR. |
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, 11.3 hours before the alert went out and 6 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
- 239 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
442
WGUS51 KALY 132315
FFWALY
NYC001-140215-
/O.NEW.KALY.FF.W.0026.210813T2315Z-210814T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Albany NY
715 PM EDT Fri Aug 13 2021
The National Weather Service in Albany has issued a
* Flash Flood Warning for...
Northeastern Albany County in east central New York...
* Until 1015 PM EDT.
* At 715 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 1 inch of rain has
fallen. The expected rainfall rate is 1 to 2 inches 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...
Albany, Watervliet, Rensselaer, Colonie, Delmar, Guilderland,
Menands, Voorheesville, Loudonville, New Scotland, North
Bethlehem, Karlsfeld, McKownville, Slingerlands, Westmere,
Elsmere, Roessleville, Normansville, West Albany and Bleecker
Stadium.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4261 7376 4258 7395 4268 7398 4273 7383
4274 7372 4269 7371 4268 7372 4267 7372
4266 7373 4266 7374 4265 7374 4265 7375
4264 7375 4263 7375
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
KSL1 follow-up statement
123
WGUS71 KALY 140121
FFSALY
Flash Flood Statement
National Weather Service Albany NY
921 PM EDT Fri Aug 13 2021
NYC001-140131-
/O.CAN.KALY.FF.W.0026.000000T0000Z-210814T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Albany NY-
921 PM EDT Fri Aug 13 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN ALBANY COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 4261 7376 4258 7395 4268 7398 4273 7383
4274 7372 4269 7371 4268 7372 4267 7372
4266 7373 4266 7374 4265 7374 4265 7375
4264 7375 4263 7375
$$
KSLThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 11:29 PM EDT | Special Weather Statement | ALY | Ulster | 46 min |
| Aug 13, 12:15 AM EDT | Special Weather Statement | ALY | Dutchess | 45 min |
| Aug 13, 2:14 PM EDT | Special Weather Statement | ALY | Oneida | 46 min |
| Aug 13, 2:36 PM EDT | Severe Thunderstorm Warning | ALY | Herkimer | 39 min |
| Aug 13, 2:56 PM EDT | Special Weather Statement | ALY | Fulton | 49 min |
| Aug 13, 3:00 PM EDT | Special Weather Statement | ALY | Lewis | 45 min |
| Aug 13, 3:10 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Herkimer, Montgomery | 48 min |
| Aug 13, 3:16 PM EDT | Special Weather Statement | ALY | Oneida | 44 min |
| Aug 13, 3:40 PM EDT | Special Weather Statement | ALY | Montgomery | 50 min |
| Aug 13, 3:42 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery | 44 min |
| Aug 13, 3:54 PM EDT | Special Weather Statement | ALY | Hamilton | 51 min |
| Aug 13, 3:58 PM EDT | Special Weather Statement | ALY | Oneida | 47 min |
| Aug 13, 4:12 PM EDT | Special Weather Statement | ALY | Montgomery | 48 min |
| Aug 13, 4:25 PM EDT | Special Weather Statement | ALY | Saratoga | 50 min |
| Aug 13, 4:33 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga | 46 min |
| Aug 13, 4:52 PM EDT | Special Weather Statement | ALY | Schenectady, Schoharie | 38 min |
| Aug 13, 5:03 PM EDT | Special Weather Statement | ALY | Fulton | 42 min |
| Aug 13, 5:10 PM EDT | Special Weather Statement | ALY | Rensselaer | 50 min |
| Aug 13, 5:31 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery, Schoharie | 47 min |
| Aug 13, 5:42 PM EDT | Areal Flood Advisory | ALY | Herkimer, Montgomery | 3 hr |
| Aug 13, 5:58 PM EDT | Special Weather Statement | ALY | Rensselaer | 47 min |
| Aug 13, 6:03 PM EDT | Special Weather Statement | ALY | Montgomery | 42 min |
| Aug 13, 6:07 PM EDT | Areal Flood Advisory | ALY | Montgomery, Schoharie | 3 hr |
| Aug 13, 6:11 PM EDT | Special Weather Statement | ALY | Schenectady | 49 min |
| Aug 13, 6:31 PM EDT | Special Weather Statement | ALY | Albany | 44 min |
| Aug 13, 6:45 PM EDT | Severe Thunderstorm Warning | ALY | Albany | 45 min |
| Aug 13, 6:51 PM EDT | Areal Flood Advisory | ALY | Albany | 2 hr |
| Aug 13, 6:51 PM EDT | Special Weather Statement | ALY | Schoharie | 39 min |
| Aug 13, 7:28 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer | 35 min |
| Aug 13, 7:41 PM EDT | Special Weather Statement | ALY | Ulster | 49 min |
| Aug 13, 7:48 PM EDT | Special Weather Statement | ALY | Columbia | 42 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.