Alert archive / New York / Flash Flood Warnings in 2023

Flash Flood Warning 26, NWS Albany, NY

July 18, 2023Dutchess County, Ulster County, New York

NWS Albany, NY issued this flash flood warning at Jul 18, 2023, 7:05 PM EDT for Dutchess 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 counties it named.

The facts

Issued
Jul 18, 2023, 7:05 PM EDT (23:05 UTC)
Expired
Jul 18, 2023, 10:15 PM EDT
In force
3 hr
Issued by
NWS Albany, NY
Area
Storm-based polygon
Flood severity
None

Counties Dutchess County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 85 km from the middle of the area, began a volume at 23:08 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, 11.1 hours before the alert went out and 143 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2023-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 403 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2023-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
403 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

Open this sounding in Storm Lab

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 12:20 PM EDTSpecial Weather StatementALYLewis25 min
Jul 18, 1:27 PM EDTAreal Flood AdvisoryALYDutchess3 hr
Jul 18, 1:57 PM EDTAreal Flood AdvisoryALYDutchess3 hr
Jul 18, 2:33 PM EDTSpecial Weather StatementALYSaratoga42 min
Jul 18, 2:40 PM EDTAreal Flood AdvisoryALYFulton, Montgomery, Saratoga, Schenectady, Schoharie3 hr
Jul 18, 3:19 PM EDTSpecial Weather StatementALYFulton26 min
Jul 18, 3:27 PM EDTSpecial Weather StatementALYSchenectady33 min
Jul 18, 3:45 PM EDTSpecial Weather StatementALYFulton30 min
Jul 18, 3:52 PM EDTAreal Flood AdvisoryALYFulton, Montgomery3 hr
Jul 18, 3:57 PM EDTSpecial Weather StatementALYRensselaer33 min
Jul 18, 4:05 PM EDTAreal Flood AdvisoryALYAlbany, Rensselaer, Saratoga, Schenectady, Washington3 hr
Jul 18, 4:13 PM EDTSpecial Weather StatementALYFulton32 min
Jul 18, 4:58 PM EDTAreal Flood AdvisoryALYWashington3 hr
Jul 18, 5:30 PM EDTSpecial Weather StatementALYRensselaer30 min
Jul 18, 5:39 PM EDTSpecial Weather StatementALYDutchess51 min
Jul 18, 5:43 PM EDTAreal Flood AdvisoryALYUlster3 hr
Jul 18, 5:56 PM EDTAreal Flood AdvisoryALYAlbany3 hr
Jul 18, 6:06 PM EDTSpecial Weather StatementALYOtsego24 min
Jul 18, 6:27 PM EDTSpecial Weather StatementALYOtsego33 min
Jul 18, 6:55 PM EDTFlash Flood WarningALYAlbany, Schenectady3 hr
Jul 18, 6:58 PM EDTSpecial Weather StatementALYMontgomery32 min
Jul 18, 7:13 PM EDTFlash Flood WarningALYAlbany, Rensselaer3 hr
Jul 18, 7:29 PM EDTSpecial Weather StatementALYAlbany31 min

Nearby

Flash Flood Warnings in New York, 2023Every flash flood warning in 2023

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.