Alert archive / New York / Flash Flood Warnings in 2026

Flash Flood Warning 6, NWS Albany, NY

July 21, 2026Dutchess County, Ulster County, New York

NWS Albany, NY issued this flash flood warning at Jul 21, 2026, 3:53 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 21, 2026, 3:53 PM EDT (19:53 UTC)
Expired
Jul 21, 2026, 7:00 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 19:52 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, 7.9 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 2026-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2026-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1211 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 21, 2:53 PM EDT, 1 hour earlier.

Area forecast discussion, Jul 21, 2:53 PM EDT, 1 hour before
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In the hours before

Special weather statement, Jul 21, 11:21 AM EDT, 4 hours 32 minutes before
Special Weather Statement
National Weather Service Albany NY
1121 AM EDT Tue Jul 21 2026

CTZ013-NYZ066-211615-
Southern Litchfield CT-Eastern Dutchess NY-
1121 AM EDT Tue Jul 21 2026

...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN LITCHFIELD COUNTY
THROUGH 1215 PM EDT...

At 1121 AM EDT, Doppler radar was tracking a strong thunderstorm over
Danbury, moving east at 30 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
New Milford, Terryville, Woodbury Center, Oakville, Watertown,
Plymouth, Woodbury, Roxbury, Bridgewater, Candlewood Springs,
Hotchkissville, Pequabuck, Reynolds Bridge, Hancock, River Road
Reserve, Pomeraug, Candlewood Trails, Gulls Hollow, Plymouth Green,
and Birch Groves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4149 7337 4151 7339 4149 7344 4157 7346
      4155 7353 4153 7353 4152 7364 4153 7364
      4169 7299 4164 7298 4161 7302 4161 7306
      4159 7306 4159 7308 4157 7309 4156 7316
      4151 7316 4151 7332 4149 7333 4147 7332
TIME...MOT...LOC 1521Z 257DEG 25KT 4141 7352

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

PS
Special weather statement, Jul 21, 3:00 PM EDT, 53 minutes before
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<head>
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <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.
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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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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 3:00 PM EDTSpecial Weather StatementALYDutchess45 min
Jul 21, 3:23 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster67 min
Jul 21, 4:33 PM EDTSpecial Weather StatementALYDutchess27 min
Jul 21, 5:01 PM EDTSpecial Weather StatementALYHamilton29 min
Jul 21, 6:05 PM EDTSpecial Weather StatementALYDutchess40 min
Jul 21, 6:47 PM EDTSpecial Weather StatementALYDutchess43 min

Nearby

Flash Flood Warnings in New York, 2026Every flash flood warning in 2026

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.