Alert archive / New York / Special Weather Statements in 2020
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Jun 20, 2020, 9:35 PM EDT for Lewis County, New York. It was in force for 55 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
- Jun 20, 2020, 9:35 PM EDT (01:35 UTC)
- Expired
- Jun 20, 2020, 10:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Buffalo, NY
County Lewis County, NY
The radar
The Ft Drum radar (KTYX), 21 km from the middle of the area, began a volume at 01:39 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 00:00Z, 1.6 hours before the alert went out and 260 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.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1903 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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 Jun 20, 8:19 PM EDT, 1 hour 16 minutes earlier.
Area forecast discussion, Jun 20, 8:19 PM EDT, 1 hour 16 minutes before
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<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.
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</html>Hazardous weather outlook, Jun 20, 4:38 AM EDT, 16 hours 57 minutes before
Hazardous Weather Outlook National Weather Service Buffalo NY 438 AM EDT Sat Jun 20 2020 NYZ001>008-010>014-019>021-085-210845- Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis- Northern Erie-Genesee-Wyoming-Livingston-Ontario-Chautauqua- Cattaraugus-Allegany-Southern Erie- 438 AM EDT Sat Jun 20 2020 This Hazardous Weather Outlook is for western and north central New York. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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-SLZ022-024-210845- 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- 438 AM EDT Sat Jun 20 2020 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. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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, Jun 20, 6:42 PM EDT, 2 hours 53 minutes before
Special Weather Statement National Weather Service Buffalo NY 642 PM EDT Sat Jun 20 2020 NYZ020-202330- Cattaraugus- 642 PM EDT Sat Jun 20 2020 ...A THUNDERSTORM PRODUCE HEAVY RAINFALL IN SOUTH CENTRAL CATTARAUGUS COUNTY... At 639 PM EDT, a strong thunderstorm was located near Limestone, moving west at 5 mph. The storm is producing heavy rainfall, with rainfall amounts in excess of an inch near and just to the west of Limestone. Localized flooding and ponding of water in roadways is possible. Locations impacted include... Allegany State Park, Carrollton and Limestone. This includes Interstate 86 exit 19 and near exit 23. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. LAT...LON 4212 7880 4214 7859 4200 7858 4200 7882 TIME...MOT...LOC 2239Z 082DEG 3KT 4203 7866 Apffel
Special weather statement, Jun 20, 6:52 PM EDT, 2 hours 43 minutes before
Special Weather Statement
National Weather Service Buffalo NY
652 PM EDT Sat Jun 20 2020
NYZ012-013-202330-
Livingston-Wyoming-
652 PM EDT Sat Jun 20 2020
...A STRONG THUNDERSTORM WILL PRODUCE HEAVY RAINFALL NEAR
LETCHWORTH STATE PARK...
At 650 PM EDT, a strong thunderstorm was located near Letchworth
State Park. The storm is nearly stationary. The storm has produced
over an inch of rainfall, with an additional inch possible. Heavy
rainfall may result in ponding of water on roadways and localized
flooding.
Locations impacted include...
Letchworth State Park, Perry, Mount Morris, Nunda, Castile, Silver
Lake and Sonyea.
This includes Interstate 390 near exit 7.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 4260 7805 4270 7809 4275 7783 4258 7780
4258 7803
TIME...MOT...LOC 2250Z 082DEG 3KT 4266 7792
ApffelSpecial weather statement, Jun 20, 9:35 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Buffalo NY
935 PM EDT Sat Jun 20 2020
NYZ008-210230-
Lewis-
935 PM EDT Sat Jun 20 2020
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN LEWIS COUNTY...
At 934 PM EDT, a strong thunderstorm was located near Highmarket, or
7 miles west of Boonville, moving northwest at 20 mph.
Winds in excess of 40 mph and half inch hail are possible with this
storm.
Locations impacted include...
Whetstone Gulf State Park, Highmarket, Constableville, Turin, Mohawk
Hill, North Osceola, Swancott Mill, West Leyden, Bellwood,
Talcottville and Rector.
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.
LAT...LON 4342 7553 4344 7562 4357 7576 4358 7576
4375 7578 4385 7560 4352 7532
TIME...MOT...LOC 0134Z 142DEG 17KT 4351 7547
MitchellThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 10:55 PM EDT | Areal Flood Warning | BUF | Livingston | 3 hr |
| Jun 21, 1:32 PM EDT | Special Weather Statement | BUF | Monroe | 43 min |
Nearby
Special Weather Statements in New York, 2020Every special weather statement in 2020
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.