Alert archive / New York / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 22, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 17, 2010, 6:18 PM EDT for Ontario County, New York. It was in force for 19 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 17, 2010, 6:18 PM EDT (22:18 UTC)
- Expired
- Jul 17, 2010, 6:37 PM EDT
- In force
- 19 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Ontario County, NY
The radar
The Buffalo radar (KBUF), 118 km from the middle of the area, began a volume at 22:20 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, 10.3 hours before the alert went out and 284 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
- -92 J/kg
- Mixed-layer LCL
- 1221 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Buffalo, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 17, 4:56 PM EDT, 1 hour 22 minutes earlier.
Area forecast discussion, Jul 17, 4:56 PM EDT, 1 hour 22 minutes before
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</html>Hazardous weather outlook, Jul 17, 5:04 AM EDT, 13 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BUFFALO NY 504 AM EDT SAT JUL 17 2010 NYZ001>008-010>014-019>021-085-180915- NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS- NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA- CATTARAUGUS-ALLEGANY-SOUTHERN ERIE- 504 AM EDT SAT JUL 17 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL NEW YORK. .DAY ONE...TODAY AND TONIGHT. THE CHANCE FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. LOW PRESSURE TRACKING EAST FROM THE CENTRAL GREAT LAKES WILL CROSS LAKE ONTARIO SUNDAY NIGHT AND GENERATE SHOWERS AND THUNDERSTORMS. SOME OF THE THUNDERSTORMS COULD CONTAIN VERY HEAVY RAIN AND PRODUCE STRONG WIND GUSTS. .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-SLZ022-024-180915- 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- SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG- SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS- 504 AM EDT SAT JUL 17 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE ONTARIO AND SAINT LAWRENCE RIVER. .DAY ONE...TODAY AND TONIGHT. THE CHANCE FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. LOW PRESSURE TRACKING EAST FROM THE CENTRAL GREAT LAKES WILL CROSS LAKE ONTARIO SUNDAY NIGHT AND GENERATE SHOWERS AND THUNDERSTORMS. SOME OF THE THUNDERSTORMS COULD CONTAIN VERY HEAVY RAIN AND PRODUCE STRONG WIND GUSTS. .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, Jul 17, 1:28 PM EDT, 4 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
128 PM EDT SAT JUL 17 2010
NYZ005-171800-
CAYUGA NY-
128 PM EDT SAT JUL 17 2010
...STRONG THUNDERSTORM MOVING INTO THE AREA...
* AT 125 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL. THIS STORM
WAS LOCATED NEAR WEEDSPORT...AND MOVING EAST AT 35 MPH.
CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM ALONG WITH A
QUICK BURST OF RAIN AND GUSTY WIND.
LAT...LON 4311 7649 4303 7648 4302 7649 4303 7668
4306 7668 4310 7668 4311 7657 4313 7649
4313 7647
THOMASSpecial weather statement, Jul 17, 2:45 PM EDT, 3 hours 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 245 PM EDT SAT JUL 17 2010 NYZ005>008-172000- NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS- INCLUDING THE CITIES OF...FAIR HAVEN...OSWEGO...WATERTOWN... LOWVILLE 245 PM EDT SAT JUL 17 2010 AT 245 PM A THUNDERSTORM HAD RAPIDLY DEVELOPED ALONG THE CAYUGA AND OSWEGO BORDER JUST SOUTHEAST OF HANNIBAL. THIS STORM IS CAPABLE OF PRODUCING STRONG WINDS AND TORRENTIAL DOWNPOURS. IF IT HOLDS ITS CURRENT STRENGTH AND PATH, IT WILL PASS JUST SOUTH OF FULTON AOUND 3, AND BE IN THE VICINTY OF CENTRAL SQUARE BY 315 PM, AND NORTH OF CONSTANTIA BY 330 PM. IT WILL THEN MOVE INTO WESTERN LEWIS COUNTY BY 4. OTHER STRONG THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE REGION THROUGH THE AFTERNOON. MRP
Local storm report, Jul 17, 3:44 PM EDT, 2 hours 34 minutes before
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</html>Local storm report, Jul 17, 3:49 PM EDT, 2 hours 29 minutes before
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</html>Special weather statement, Jul 17, 5:38 PM EDT, 40 minutes before
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</html>Special weather statement, Jul 17, 5:48 PM EDT, 30 minutes before
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</html>The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 8:11 PM EDT | Small Craft Advisory | BUF | 109 min | |
| Jul 17, 1:28 PM EDT | Special Weather Statement | BUF | Cayuga | 32 min |
| Jul 17, 2:48 PM EDT | Special Marine Warning | BUF | 87 min | |
| Jul 17, 2:59 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 46 min |
| Jul 17, 3:35 PM EDT | Special Marine Warning | BUF | 55 min | |
| Jul 17, 5:30 PM EDT | Special Marine Warning | BUF | 60 min | |
| Jul 17, 5:48 PM EDT | Special Weather Statement | BUF | Jefferson | 57 min |
| Jul 17, 6:39 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus | 51 min |
| Jul 17, 7:33 PM EDT | Special Weather Statement | BUF | Allegany | 42 min |
Nearby
Severe Thunderstorm Warnings in New York, 2010Every severe thunderstorm warning in 2010
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.