Alert archive / New York / Flash Flood Warnings in 2023

Flash Flood Warning 20, NWS Albany, NY

July 14, 2023Columbia County, Greene County, Ulster County, New York

NWS Albany, NY issued this flash flood warning at Jul 14, 2023, 9:38 PM EDT for Columbia County, Greene County, Ulster County, New York. It was in force for 112 min. 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 14, 2023, 9:38 PM EDT (01:38 UTC)
Expired
Jul 14, 2023, 11:30 PM EDT
In force
112 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Flood severity
None

Counties Columbia County, NY, Greene County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 50 km from the middle of the area, began a volume at 01:41 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 00:00Z, 1.6 hours before the alert went out and 170 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 00:00Z on 2023-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 996 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 00:00Z on 2023-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.193958Sfc1 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
996 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Albany, NY wrote its last area forecast discussion before this flash flood warning went out at Jul 14, 7:44 PM EDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jul 14, 7:44 PM EDT, 1 hour 54 minutes before
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Hazardous weather outlook, Jul 14, 4:07 PM EDT, 5 hours 31 minutes before
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In the hours before

Local storm report, Jul 14, 7:09 PM EDT, 2 hours 29 minutes before
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Local storm report, Jul 14, 8:08 PM EDT, 1 hour 30 minutes before
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Local storm report, Jul 14, 8:28 PM EDT, 1 hour 10 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Jul 14, 8:37 PM EDT, 1 hour 1 minute before
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        Please try again in a few minutes.
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Special weather statement, Jul 14, 9:06 PM EDT, 32 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, Jul 14, 9:31 PM EDT, 7 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 8:37 PM EDTSpecial Weather StatementALYGreene38 min
Jul 14, 9:06 PM EDTSpecial Weather StatementALYUlster39 min
Jul 14, 9:16 PM EDTAreal Flood AdvisoryALYGreene, Ulster2 hr
Jul 14, 9:21 PM EDTAreal Flood AdvisoryALYUlster77 min
Jul 14, 9:31 PM EDTSpecial Weather StatementALYGreene44 min
Jul 14, 9:50 PM EDTSpecial Weather StatementALYColumbia40 min
Jul 15, 12:20 AM EDTSevere Thunderstorm WarningALYFulton, Herkimer, Montgomery55 min
Jul 15, 1:16 AM EDTSpecial Weather StatementALYFulton44 min
Jul 15, 2:57 AM EDTFlood WatchALYAlbany, Columbia, Dutchess, Fulton, Greene, Hamilton and 9 more49 hr

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.