Alert archive / New York / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 40, NWS Albany, NY

July 9, 2024Rensselaer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 9, 2024, 2:19 PM EDT for Rensselaer County, New York. It was in force for 41 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 9, 2024, 2:19 PM EDT (18:19 UTC)
Expired
Jul 9, 2024, 3:00 PM EDT
In force
41 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Rensselaer County, NY

The radar

The Albany radar (KENX), 47 km from the middle of the area, began a volume at 18:19 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, 6.3 hours before the alert went out and 212 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 2024-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 2024-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
7 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
1143 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 9, 1:26 PM EDT, 53 minutes earlier.

Area forecast discussion, Jul 9, 1:26 PM EDT, 53 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jul 9, 5:15 AM EDT, 9 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Albany NY
515 AM EDT Tue Jul 9 2024

NYZ059-060-064>066-101100-
Eastern Greene-Western Columbia-Eastern Ulster-Western Dutchess-
Eastern Dutchess-
515 AM EDT Tue Jul 9 2024

...HEAT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 8 PM EDT
WEDNESDAY...

This Hazardous Weather Outlook is for the Mid Hudson Valley and
southern Taconics of eastern New York.

.DAY ONE...Today and tonight.

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

   Heat Advisory.

Isolated to scattered thunderstorms this afternoon may produce
locally heavy rainfall for poor drainage and urban flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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

   Heat Advisory.

Shower and thunderstorm potential increases Wednesday through
Thursday morning as a result of the interaction between a frontal
system and abundant tropical moisture associated with Beryl. The main
impact from any showers and thunderstorms that develop will be
moderate to locally heavy rainfall that could lead to ponding of
water in urban and poor drainage areas. Isolated to scattered
instances of flash flooding may occur.

In addition, a Marginal risk for severe thunderstorms has been issued
by the Storm Prediction Center on Wednesday for the mid Hudson Valley
and southern Taconics. Isolated damaging wind gusts or an isolated
tornado would be the main threats.

There is a chance of thunderstorms Friday through Sunday, mainly
during the afternoon and evening hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

MAZ001-025-NYZ032-033-042-047-048-051-054-058-061-063-082-VTZ013>015-
101100-
Northern Berkshire-Southern Berkshire-Northern Herkimer-Hamilton-
Northern Warren-Schoharie-Western Schenectady-Western Albany-
Eastern Rensselaer-Western Greene-Eastern Columbia-Western Ulster-
Northern Fulton-Bennington-Western Windham-Eastern Windham-
515 AM EDT Tue Jul 9 2024

This Hazardous Weather Outlook is for western Massachusetts, the
southern Adirondacks, northern and central Taconics, eastern
Catskills, Schoharie Valley and Helderbergs of eastern New York and
southern Vermont.

.DAY ONE...Today and tonight.

A Marginal Risk for severe thunderstorms or Level 1 of 5 has been
issued by the Storm Prediction Center for western Massachusetts and
southern Vermont on Tuesday. Damaging winds would be the main
threat.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Shower and thunderstorm potential increases Wednesday through
Thursday morning as a result of the interaction between a frontal
system and abundant tropical moisture associated with Beryl. The main
impact from any showers and thunderstorms that develop will be
moderate to locally heavy rainfall that could lead to ponding of
water in urban and poor drainage areas. Isolated to scattered
instances of flash flooding may occur. A flood watch for flash
flooding may be needed later.

In addition, a Marginal risk for severe thunderstorms has been issued
by the Storm Prediction Center on Wednesday with a Slight Risk for
the northern and eastern Catskills. Isolated to scattered damaging
wind gusts and or isolated tornadoes would be the main threats.

There is a chance of thunderstorms Friday through Sunday, mainly
during the afternoon and evening hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

CTZ001-013-NYZ038>041-043-049-050-052-053-083-084-101100-
Northern Litchfield-Southern Litchfield-Southern Herkimer-
Southern Fulton-Montgomery-Northern Saratoga-Northern Washington-
Eastern Schenectady-Southern Saratoga-Eastern Albany-
Western Rensselaer-Southeast Warren-Southern Washington-
515 AM EDT Tue Jul 9 2024

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for northwestern Connecticut,
the Capital Region, Mohawk Valley, Upper Hudson Valley, Glens Falls
and Lake George Region of eastern New York.

.DAY ONE...Today and tonight.

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

   Heat Advisory.

A Marginal Risk for severe thunderstorms or Level 1 of 5 has been
issued by the Storm Prediction Center for northwest Connecticut today.
Damaging winds would be the main threat.

Isolated to scattered thunderstorms this afternoon into tonight may
produce locally heavy rainfall for poor drainage and urban flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Shower and thunderstorm potential increases Wednesday through
Thursday morning as a result of the interaction between a frontal
system and abundant tropical moisture associated with Beryl. The main
impact from any showers and thunderstorms that develop will be
moderate to locally heavy rainfall that could lead to ponding of
water in urban and poor drainage areas. Isolated to scattered
instances of flash flooding may occur. A flood watch for flash
flooding may be needed later.

In addition, a Marginal risk for severe thunderstorms has been issued
by the Storm Prediction Center on Wednesday. Isolated to scattered
damaging wind gusts and or isolated tornadoes would be the main
threats.

There is a chance of thunderstorms Friday through Sunday, mainly
during the afternoon and evening hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

In the hours before

Special weather statement, Jul 9, 1:54 PM EDT, 25 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 1:54 PM EDTSpecial Weather StatementALYRensselaer36 min
Jul 9, 3:09 PM EDTFlood WatchALYFulton, Hamilton, Herkimer, Montgomery, Warren, Washington34 hr
Jul 9, 5:56 PM EDTSpecial Weather StatementALY49 min
Jul 9, 6:03 PM EDTSevere Thunderstorm WarningALYNorthwest Hills Planning Region39 min
Jul 9, 6:25 PM EDTSevere Thunderstorm WarningALYNorthwest Hills Planning Region20 min
Jul 9, 6:37 PM EDTSpecial Weather StatementALY38 min
Jul 9, 6:49 PM EDTSpecial Weather StatementALY56 min
Jul 9, 6:59 PM EDTSpecial Weather StatementALY46 min

Nearby

Severe Thunderstorm Warnings in New York, 2024Every severe thunderstorm warning in 2024

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.