Alert archive / New York / Heat Advisories in 2018

Heat Advisory 13, NWS Albany, NY

September 3, 20184 counties in New York; Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this heat advisory at Sep 3, 2018, 3:49 PM EDT for 4 counties in New York; Northwest Hills Planning Region, Connecticut. It took effect at Sep 4, 2018, 12:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Sep 3, 2018, 3:49 PM EDT (19:49 UTC)
In effect from
Sep 4, 2018, 12:00 PM EDT
Expired
Sep 4, 2018, 7:00 PM EDT
In force
7 hr
Issued by
NWS Albany, NY

Counties Northwest Hills Planning Region, CT, Columbia County, NY, Dutchess County, NY, Greene County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 68 km from the middle of the area, began a volume at 19:53 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, 7.8 hours before the alert went out and 76 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 2018-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 400 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, Albany, NY at 12:00Z on 2018-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939Sfc1 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
400 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
135 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 heat advisory 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 heat advisory went out at Sep 3, 1:41 PM EDT, 2 hours 8 minutes earlier.

Area forecast discussion, Sep 3, 1:41 PM EDT, 2 hours 8 minutes before
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Hazardous weather outlook, Sep 3, 4:12 AM EDT, 11 hours 37 minutes before
Hazardous Weather Outlook
National Weather Service Albany NY
412 AM EDT Mon Sep 3 2018

CTZ001-013-NYZ038>041-043-048>050-052-053-059-060-064>066-083-084-
041200-
Northern Litchfield-Southern Litchfield-Southern Herkimer-
Southern Fulton-Montgomery-Northern Saratoga-Northern Washington-
Western Schenectady-Eastern Schenectady-Southern Saratoga-
Eastern Albany-Western Rensselaer-Eastern Greene-Western Columbia-
Eastern Ulster-Western Dutchess-Eastern Dutchess-Southeast Warren-
Southern Washington-
412 AM EDT Mon Sep 3 2018

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

This Hazardous Weather Outlook is for northwestern Connecticut and
the Mohawk River Valley, Greater Capital Region, mid Hudson Valley,
southern Taconics, and Lake George Saratoga region in east central
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.

There is a chance of thunderstorms this afternoon and evening mainly
north of the mid Hudson Valley and northwestern Connecticut. An
isolated storm or two may produce strong to marginally severe wind
gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Heat index values may reach the mid 90s to lower 100s in the
afternoon and early evening Tuesday through Thursday. Heat
Advisories may be needed.

There is a chance of thunderstorms on Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MAZ001-025-NYZ032-033-042-047-051-054-058-061-063-082-VTZ013>015-
041200-
Northern Berkshire-Southern Berkshire-Northern Herkimer-Hamilton-
Northern Warren-Schoharie-Western Albany-Eastern Rensselaer-
Western Greene-Eastern Columbia-Western Ulster-Northern Fulton-
Bennington-Western Windham-Eastern Windham-
412 AM EDT Mon Sep 3 2018

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

.DAY ONE...Today and tonight.

It will be very warm today with heat indices reaching the mid-80s to
low 90s. There is also a chance of thunderstorms this afternoon and
evening. An isolated storm or two may produce strong to marginally
severe wind gusts.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

It will continue to be very warm Tuesday into Thursday with heat
indices reaching the mid-80s to low 90s. There is a chance of
thunderstorms on Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Sep 3, 2:24 PM EDT, 1 hour 25 minutes before
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Special weather statement, Sep 3, 2:43 PM EDT, 1 hour 6 minutes before
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Special weather statement, Sep 3, 3:22 PM EDT, 27 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 2:24 PM EDTSpecial Weather StatementALYHamilton, Herkimer51 min
Sep 3, 2:43 PM EDTSpecial Weather StatementALYSaratoga32 min
Sep 3, 3:22 PM EDTSpecial Weather StatementALYMontgomery23 min
Sep 3, 4:42 PM EDTSpecial Weather StatementALYMontgomery63 min
Sep 3, 5:49 PM EDTSpecial Weather StatementALYMontgomery56 min
Sep 3, 6:37 PM EDTSpecial Weather StatementALYMontgomery53 min
Sep 3, 6:42 PM EDTSpecial Weather StatementALYHerkimer63 min

Nearby

Heat Advisories in New York, 2018Heat Advisories in Connecticut, 2018Every heat advisory in 2018

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.