Alert archive / New York / Special Weather Statements in 2017
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Apr 27, 2017, 7:10 PM EDT for Orleans County, New York. It was in force for 35 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 27, 2017, 7:10 PM EDT (23:10 UTC)
- Expired
- Apr 27, 2017, 7:45 PM EDT
- In force
- 35 min
- Issued by
- NWS Buffalo, NY
County Orleans County, NY
The radar
The Buffalo radar (KBUF), 42 km from the middle of the area, began a volume at 23:12 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
Pittsburgh, PA (KAGC), launched 12:00Z, 11.2 hours before the alert went out and 344 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
- 9 J/kg
- Mixed-layer CIN
- -506 J/kg
- Mixed-layer LCL
- 1916 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 118 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 Apr 27, 4:45 PM EDT, 2 hours 25 minutes earlier.
Area forecast discussion, Apr 27, 4:45 PM EDT, 2 hours 25 minutes before
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<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, Apr 27, 4:07 PM EDT, 3 hours 3 minutes before
Hazardous Weather Outlook National Weather Service Buffalo NY 407 PM EDT Thu Apr 27 2017 NYZ001>004-010>014-019>021-085-282015- Niagara-Orleans-Monroe-Wayne-Northern Erie-Genesee-Wyoming- Livingston-Ontario-Chautauqua-Cattaraugus-Allegany-Southern Erie- 407 PM EDT Thu Apr 27 2017 This Hazardous Weather Outlook is for western New York. .DAY ONE...Tonight. There is a marginal risk for severe thunderstorms this evening along a cold front. A few of these storms could produce localized damaging wind gusts and locally heavy rainfall. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a risk of strong to severe thunderstorms with a cold front Monday afternoon and evening. Then gusty, to potentially damaging winds, are possible behind the front on Tuesday. .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 NYZ005>008-282015- Northern Cayuga-Oswego-Jefferson-Lewis- 407 PM EDT Thu Apr 27 2017 This Hazardous Weather Outlook is for north central New York. .DAY ONE...Tonight. Thunderstorms are expected to shift over the area along a cold front this evening. A few of these storms could be strong with gusty winds and heavy downpours. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a risk of strong to severe thunderstorms with a cold front Monday afternoon and evening. Then gusty, to potentially damaging winds, are possible behind the front on Tuesday. .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-LOZ042>045-062>065-282015- Upper Niagara River and Buffalo Harbor- Lake Erie nearshore waters from Ripley to Dunkirk- Lake Erie nearshore waters from Dunkirk to Buffalo- 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- 407 PM EDT Thu Apr 27 2017 This Hazardous Weather Outlook is for portions of Lake Erie and Lake Ontario. .DAY ONE...Tonight. A cold front is crossing Lake Erie this afternoon and will cross Lake Ontario this evening. This front will bring some thunderstorms, some of which could be strong to severe with gusty winds. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a risk of strong to severe thunderstorms with a cold front Monday afternoon and evening. Gale force winds may be possible behind the cold front on Tuesday. .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 LOZ030-SLZ022-282015- Lower Niagara River- Saint Lawrence River from Cape Vincent to Ogdensburg- 407 PM EDT Thu Apr 27 2017 This Hazardous Weather Outlook is for portions of Lake Ontario and Saint Lawrence River. .DAY ONE...Tonight. A cold front is crossing Lake Erie this afternoon and will cross Lake Ontario this evening. This front will bring some thunderstorms, some of which could be strong to severe with gusty winds. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a risk of strong to severe thunderstorms with a cold front Monday afternoon and evening. Gale force winds may be possible behind the cold front on Tuesday. .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 SMITH
In the hours before
Special weather statement, Apr 27, 6:46 PM EDT, 24 minutes before
Special Weather Statement
National Weather Service Buffalo NY
646 PM EDT THU APR 27 2017
NYZ019-272345-
Chautauqua-
646 PM EDT THU APR 27 2017
...A STRONG THUNDERSTORM WILL AFFECT WESTERN CHAUTAUQUA COUNTY...
At 645 PM EDT, a strong thunderstorm was located near Waterford, or
17 miles south of Erie, moving northeast at 50 mph.
Winds in excess of 40 mph are possible with this storm.
Locations impacted include...
Dunkirk, Fredonia, Westfield, Mayville, Clymer, Long Point State
Park, Lake Erie State Park, Findley Lake, SUNY Fredonia and
Chautauqua Institute.
This includes the following highways...
Interstate 90 between exits 61 and 59.
Interstate 86 between exits 4 and 7.
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 4227 7976 4228 7973 4231 7976 4233 7973
4244 7950 4253 7939 4255 7932 4240 7909
4200 7966 4200 7976
TIME...MOT...LOC 2245Z 221DEG 44KT 4190 8000
SmithSpecial weather statement, Apr 27, 7:10 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Buffalo NY
710 PM EDT THU APR 27 2017
NYZ001>003-010-011-272345-
Orleans-Genesee-Monroe-Niagara-Northern Erie-
710 PM EDT THU APR 27 2017
...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN ERIE...
EASTERN NIAGARA...ORLEANS...NORTHWESTERN MONROE AND WESTERN GENESEE
COUNTIES...
At 709 PM EDT, strong thunderstorms were clustered near Akron, or 7
miles northeast of Clarence, moving northeast at 40 mph.
Winds in excess of 40 mph are possible with these storms.
Locations impacted include...
Medina, Albion, Hamlin Beach State Park, Darien Lakes State Park,
Pembroke, Akron, Middleport, Oakfield, Holley and Waterport.
This includes Interstate 90 near exit 48A.
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 4340 7861 4342 7840 4342 7815 4338 7790
4287 7832 4287 7835 4304 7869
TIME...MOT...LOC 2309Z 208DEG 35KT 4307 7853
SmithThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 6:46 PM EDT | Special Weather Statement | BUF | Chautauqua | 59 min |
| Apr 27, 6:47 PM EDT | Special Marine Warning | BUF | 58 min | |
| Apr 27, 7:06 PM EDT | Special Marine Warning | BUF | 54 min | |
| Apr 27, 7:23 PM EDT | Special Marine Warning | BUF | 97 min |
Nearby
Special Weather Statements in New York, 2017Every special weather statement in 2017
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.