Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Albany, NY

April 21, 2021Ulster County, New York

NWS Albany, NY issued this special weather statement at Apr 21, 2021, 1:02 PM EDT for Ulster County, New York. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 21, 2021, 1:02 PM EDT (17:02 UTC)
Expired
Apr 21, 2021, 1:45 PM EDT
In force
43 min
Issued by
NWS Albany, NY

County Ulster County, NY

The radar

The Albany radar (KENX), 89 km from the middle of the area, began a volume at 17:06 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

Albany, NY (KALY), launched 12:00Z, 5.0 hours before the alert went out and 107 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, Albany, NY at 12:00Z on 2021-04-21Temperature 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, Albany, NY at 12:00Z on 2021-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 298 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
298 m²/s²
0-3 km storm-relative helicity
352 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 21, 12:53 PM EDT, 9 minutes earlier.

Area forecast discussion, Apr 21, 12:53 PM EDT, 9 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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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.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Apr 21, 12:36 PM EDT, 26 minutes before
Hazardous Weather Outlook
National Weather Service Albany NY
1236 PM EDT Wed Apr 21 2021

NYZ038>043-047>054-058-059-063-064-082>084-VTZ013>015-221100-
Southern Herkimer-Southern Fulton-Montgomery-Northern Saratoga-
Northern Warren-Northern Washington-Schoharie-Western Schenectady-
Eastern Schenectady-Southern Saratoga-Western Albany-Eastern Albany-
Western Rensselaer-Eastern Rensselaer-Western Greene-Eastern Greene-
Western Ulster-Eastern Ulster-Northern Fulton-Southeast Warren-
Southern Washington-Bennington-Western Windham-Eastern Windham-
1236 PM EDT Wed Apr 21 2021

This Hazardous Weather Outlook is for the Mohawk Valley, eastern
Catskills, Capital Region, Lake George Saratoga Region, northern
Taconics and southern Vermont.

.DAY ONE...This afternoon and tonight.

There is a low probability for strong thunderstorms this afternoon as
a cold front moves through the region. Main threat will be from
damaging wind gusts and hail.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Brisk and gusty winds are expected Thursday with gusts of 35 to 45
mph. If stronger gusts are expected then a wind advisory will be
needed.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time. However, spotters
are encouraged to relay any impacts from hazardous weather to the
National Weather Service in Albany New York.

NYZ032-033-221100-
Northern Herkimer-Hamilton-
1236 PM EDT Wed Apr 21 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for northern Herkimer and Hamilton
Counties.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Winter Weather Advisory.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Brisk and gusty winds are expected Thursday with gusts of 35 to 40
mph. If stronger gusts are expected then a wind advisory will be
needed.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report winter precipitation
amounts to the National Weather Service in Albany New York.

CTZ001-013-MAZ001-025-NYZ060-061-065-066-221100-
Northern Litchfield-Southern Litchfield-Northern Berkshire-
Southern Berkshire-Western Columbia-Eastern Columbia-
Western Dutchess-Eastern Dutchess-
1236 PM EDT Wed Apr 21 2021

...SEVERE THUNDERSTORM WATCH 97 IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for northwestern Connecticut,
western Massachusetts, Dutchess and Columbia Counties in east
central New York.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Brisk and gusty winds are expected Thursday with gusts of 35 to 45
mph. If stronger gusts are expected then a wind advisory will be
needed.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions to the National Weather Service in Albany New York.

In the hours before

Local storm report, Apr 21, 7:43 AM EDT, 5 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
743 AM EDT WED APR 21 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0538 AM     SNOW             INDIAN LAKE             43.71N  74.24W
04/21/2021  M1.5 INCH        HAMILTON           NY   WEATHERNET6

            WEATHERNET6

&&

EVENT NUMBER ALY2103067

DBT
Special weather statement, Apr 21, 1:02 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Albany NY
102 PM EDT Wed Apr 21 2021

NYZ063-064-211745-
Western Ulster-Eastern Ulster-
102 PM EDT Wed Apr 21 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL ULSTER COUNTY...

At 102 PM EDT, a strong thunderstorm was located over Woodridge, or 7
miles northeast of Monticello, moving northeast at 35 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

This storm will be near...
  Ellenville around 115 PM EDT.
  Napanoch around 120 PM EDT.
  Kerhonkson around 125 PM EDT.
  Olivebridge around 140 PM EDT.
  Hurley, Tillson and High Falls around 145 PM EDT.

Other locations impacted by this storm include Cherrytown, Rosendale,
Maple Hill, Palentown, Atwood, Pacama, Brodhead, Liebhardt,
Fantinekill and Stone Ridge.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4174 7457 4187 7445 4189 7449 4206 7422
      4181 7397 4166 7443
TIME...MOT...LOC 1702Z 242DEG 32KT 4171 7458

Frugis

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 9:54 PM EDTWinter Weather AdvisoryALYHamilton, Herkimer18 hr
Apr 21, 1:57 PM EDTSpecial Weather StatementALYDutchess33 min
Apr 21, 2:04 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster41 min
Apr 21, 2:20 PM EDTSpecial Weather StatementALYFulton, Montgomery, Schoharie55 min
Apr 21, 2:41 PM EDTSevere Thunderstorm WarningALYDutchess64 min
Apr 21, 2:47 PM EDTTornado WarningALYDutchess28 min
Apr 21, 3:06 PM EDTSpecial Weather StatementALYBerkshire24 min

Nearby

Special Weather Statements in New York, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.