Alert archive / New York / Flood Watches in 2011
Flood Watch 12, NWS Albany, NY
NWS Albany, NY issued this flood watch at May 16, 2011, 3:33 PM EDT for 5 counties in New York; Berkshire County, Massachusetts. It took effect at May 17, 2011, 8:00 AM EDT. It was in force for 44 hr.
The area
The counties it named.
The facts
- Issued
- May 16, 2011, 3:33 PM EDT (19:33 UTC)
- In effect from
- May 17, 2011, 8:00 AM EDT
- Expired
- May 19, 2011, 4:06 AM EDT
- In force
- 44 hr
- Issued by
- NWS Albany, NY
- Flood severity
- None
Counties Berkshire County, MA, Columbia County, NY, Dutchess County, NY, Greene County, NY, Schoharie County, NY, Ulster County, NY
The radar
The Albany radar (KENX), 46 km from the middle of the area, began a volume at 19:33 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
Brookhaven, NY (KOKX), launched 12:00Z, 7.6 hours before the alert went out and 171 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
- 2 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 421 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 11:26 AM EDT | Areal Flood Advisory | ALY | Albany, Rensselaer, Saratoga, Schenectady, Washington | 3 hr |
| May 16, 12:41 PM EDT | Areal Flood Advisory | ALY | Saratoga, Warren, Washington | 3 hr |
| May 16, 12:52 PM EDT | Areal Flood Advisory | ALY | Greene, Ulster | 3 hr |
| May 16, 3:47 PM EDT | Areal Flood Advisory | ALY | Saratoga, Warren, Washington | 3 hr |
Nearby
Flood Watches in New York, 2011Flood Watches in Massachusetts, 2011Every flood watch in 2011
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.