Alert archive / New York / Special Weather Statements in 2019

Special Weather Statement, NWS Buffalo, NY

August 18, 2019Cayuga County, New York

NWS Buffalo, NY issued this special weather statement at Aug 18, 2019, 3:02 PM EDT for Cayuga 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
Aug 18, 2019, 3:02 PM EDT (19:02 UTC)
Expired
Aug 18, 2019, 3:45 PM EDT
In force
43 min
Issued by
NWS Buffalo, NY

County Cayuga County, NY

The radar

The Ft Drum radar (KTYX), 101 km from the middle of the area, began a volume at 19:03 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.0 hours before the alert went out and 173 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, Buffalo Intl Airport, NY at 12:00Z on 2019-08-18Temperature 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, Buffalo Intl Airport, NY at 12:00Z on 2019-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
1370 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
117 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 Buffalo, NY wrote its last area forecast discussion before this special weather statement went out at Aug 18, 2:49 PM EDT, 13 minutes earlier.

Area forecast discussion, Aug 18, 2:49 PM EDT, 13 minutes before
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<body>
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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 18, 4:56 AM EDT, 10 hours 6 minutes before
Hazardous Weather Outlook
National Weather Service Buffalo NY
456 AM EDT Sun Aug 18 2019

NYZ012-019>021-085-190900-
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
456 AM EDT Sun Aug 18 2019

This Hazardous Weather Outlook is for portions of western New York.

.DAY ONE...Today and tonight.

There is a marginal risk for severe storms today, with damaging winds
and hail the primary risks. There may also be heavy rains from these
storms with poor drainage flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ010-011-013-014-190900-
Northern Erie-Genesee-Livingston-Ontario-
456 AM EDT Sun Aug 18 2019

This Hazardous Weather Outlook is for portions of western New York.

.DAY ONE...Today and tonight.

There is a marginal risk for severe storms today, with damaging winds
and hail the primary risks. There may also be heavy rains from these
storms with poor drainage flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Afternoon apparent temperatures Monday may reach the lower 90s or
higher. Keep in mind that heat advisories are issued when apparent
temperatures reach at least 95 for two consecutive hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ001>006-190900-
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-
456 AM EDT Sun Aug 18 2019

This Hazardous Weather Outlook is for portions of western and north
central New York.

.DAY ONE...Today and tonight.

There is a marginal risk for severe storms today, with damaging winds
and hail the primary risks. There may also be heavy rains from these
storms with poor drainage flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Afternoon apparent temperatures Monday may reach the lower 90s or
higher. Keep in mind that heat advisories are issued when apparent
temperatures reach at least 95 for two consecutive hours.

Behind a strong cold front Wednesday night, west to northwest winds
and waves will increase with possible lakeshore flooding due to high
lake levels.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ007-008-190900-
Jefferson-Lewis-
456 AM EDT Sun Aug 18 2019

This Hazardous Weather Outlook is for portions of central New York.

.DAY ONE...Today and tonight.

There is a marginal risk for severe storms today, with damaging winds the
primary risk.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

LEZ020-040-041-LOZ030-042>045-062>065-SLZ022-024-190900-
Upper Niagara River and Buffalo Harbor-
Lake Erie nearshore waters from Ripley to Dunkirk-
Lake Erie nearshore waters from Dunkirk to Buffalo-
Lower Niagara River-
Lake Ontario nearshore waters from the Niagara River to Hamlin Beach-
Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay-
Lake Ontario nearshore waters from Sodus Bay to Mexico Bay-
Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence
River-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence River-
Saint Lawrence River from Cape Vincent to Ogdensburg-
Saint Lawrence River from Ogdensburg to Saint Regis-
456 AM EDT Sun Aug 18 2019

This Hazardous Weather Outlook is for the New York waters of Lake
Erie, Lake Ontario, and the Saint Lawrence River.

.DAY ONE...Today and tonight.

There is a marginal risk for severe storms today, with damaging winds
and hail the primary risks.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

In the hours before

Special weather statement, Aug 18, 3:02 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Buffalo NY
302 PM EDT Sun Aug 18 2019

NYZ004-005-181945-
Wayne-Northern Cayuga-
302 PM EDT Sun Aug 18 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN WAYNE AND CAYUGA
COUNTIES...

At 302 PM EDT, a strong thunderstorm was located near Lyons and
moving northeast at 20 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Lyons, Clyde, Weedsport, Cato, Ira, Conquest, Savannah, Port Byron,
Meridian and South Butler.

This includes Interstate 90 near exit 40.

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

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 4310 7650 4303 7650 4301 7700 4308 7705
      4326 7654 4326 7649 4324 7648 4315 7647
      4314 7649 4311 7647
TIME...MOT...LOC 1902Z 246DEG 17KT 4303 7694

Reynolds

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 5:49 AM EDTSpecial Marine WarningBUF86 min
Aug 18, 6:13 AM EDTSpecial Weather StatementBUFErie92 min
Aug 18, 7:15 AM EDTSpecial Weather StatementBUFGenesee30 min
Aug 18, 7:35 AM EDTSpecial Weather StatementBUFLivingston, Wyoming40 min
Aug 18, 8:04 AM EDTSpecial Marine WarningBUF56 min
Aug 18, 8:04 AM EDTSevere Thunderstorm WarningBUFChautauqua41 min
Aug 18, 8:46 AM EDTSpecial Weather StatementBUFChautauqua44 min
Aug 18, 3:14 PM EDTSevere Thunderstorm WarningBUFCayuga, Wayne46 min
Aug 18, 3:16 PM EDTSpecial Weather StatementBUFLivingston, Ontario, Wayne, Wyoming44 min
Aug 18, 3:36 PM EDTSevere Thunderstorm WarningBUFOntario43 min
Aug 18, 4:16 PM EDTFlash Flood WarningBUFOntario3 hr
Aug 18, 4:43 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego62 min
Aug 18, 5:54 PM EDTSpecial Weather StatementBUFLewis51 min
Aug 18, 6:57 PM EDTSpecial Weather StatementBUFLivingston48 min
Aug 18, 7:03 PM EDTSevere Thunderstorm WarningBUFAllegany, Livingston, Ontario42 min

Nearby

Special Weather Statements in New York, 2019Every special weather statement in 2019

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.