Alert archive / New York / Areal Flood Advisories in 2011
Areal Flood Advisory 31, NWS Buffalo, NY
NWS Buffalo, NY issued this areal flood advisory at May 23, 2011, 2:46 PM EDT for Ontario County, Wayne County, New York. It was in force for 119 min.
The area
The counties it named.
The facts
- Issued
- May 23, 2011, 2:46 PM EDT (18:46 UTC)
- Expired
- May 23, 2011, 4:45 PM EDT
- In force
- 119 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Ontario County, NY, Wayne County, NY
The radar
The Binghamton radar (KBGM), 127 km from the middle of the area, began a volume at 18:46 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, 6.8 hours before the alert went out and 127 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
- 132 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 1082 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at May 23, 2:09 PM EDT, 37 minutes earlier.
Area forecast discussion, May 23, 2:09 PM EDT, 37 minutes before
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</html>Hazardous weather outlook, May 23, 5:07 AM EDT, 9 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BUFFALO NY 507 AM EDT MON MAY 23 2011 NYZ001>008-010>014-019>021-085-240915- NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS- NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA- CATTARAUGUS-ALLEGANY-SOUTHERN ERIE- 507 AM EDT MON MAY 23 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL NEW YORK. .DAY ONE...TODAY AND TONIGHT. THE STORM PREDICTION CENTER HAS PLACED MOST OF WESTERN AND NORTH CENTRAL NEW YORK IN A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY. SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE AREA DURING THE AFTERNOON AND EVENING...SOME OF WHICH COULD BE STRONG TO SEVERE WITH THE PRIMARY THREAT COMING IN THE FORM OF STRONG DAMAGING WINDS...WITH HAIL ALSO POSSIBLE. A FEW OF THESE STORMS MAY ALSO PRODUCE LOCALIZED HEAVY RAINFALL AND POOR DRAINAGE FLOODING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED FROM WEDNESDAY NIGHT THROUGH AT LEAST FRIDAY AS A SLOW MOVING FRONTAL SYSTEM SETS UP ACROSS THE REGION. ADDITIONAL HEAVY RAINFALL WILL BE POSSIBLE DURING THIS TIME FRAME...POTENTIALLY LEADING TO ADDITIONAL FLOODING CONCERNS. .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-SLZ022-024-240915- 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- 507 AM EDT MON MAY 23 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE ONTARIO AND SAINT LAWRENCE RIVER. .DAY ONE...TODAY AND TONIGHT. THE STORM PREDICTION CENTER HAS PLACED THE LOWER GREAT LAKES REGION IN A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY. SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE AREA DURING THE AFTERNOON AND EVENING...SOME OF WHICH COULD BE STRONG TO SEVERE WITH THE PRIMARY THREAT COMING IN THE FORM OF STRONG WIND GUSTS AND HAIL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .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 JJR
In the hours before
Special weather statement, May 23, 10:46 AM EDT, 4 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 1046 AM EDT MON MAY 23 2011 NYZ010-085-231600- NORTHERN ERIE-SOUTHERN ERIE- INCLUDING THE CITIES OF...BUFFALO...ORCHARD PARK...SPRINGVILLE 1046 AM EDT MON MAY 23 2011 ...STRONG THUNDERSTORM OVER SOUTHTOWNS... AT 1045 AM...A THUNDERSTORM WITH VERY HEAVY RAIN AND POSSIBLY SMALL HAIL WAS BETWEEN HAMBURG AND ORCHARD PARK. THIS STORM WAS MOVING NORTHEAST AT 35 MPH AND WILL CROSS EAST AURORA...MARILLA AND WALES THROUGH 1125 AM. LOOK FOR HEAVY DOWNPOURS...FREQUENT LIGHTNING AND SMALL HAIL WITH THIS STORM. SFM
Special weather statement, May 23, 11:57 AM EDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 1157 AM EDT MON MAY 23 2011 NYZ003-231700- MONROE- INCLUDING THE CITY OF...ROCHESTER 1157 AM EDT MON MAY 23 2011 ...STRONG THUNDERSTORM MOVING ACROSS MONROE COUNTY... AT 1155 AM...A THUNDERSTORM WITH VERY HEAVY RAIN WAS ALONG THE THRUWAY BETWEEN SCOTTSVILLE AND CHURCHVILLE. THIS STORM WAS MOVING EAST NORTHEAST AT 35 MPH AND WILL MOVE OVER ROCHESTER'S SOUTHERN SUBURBS OF CHILI...HENRIETTA AND EVENTUALLY FAIRPORT BY 1230 PM. LOOK FOR BRIEF DOWNPOURS...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL WITH THIS STORM. SFM
Special weather statement, May 23, 12:36 PM EDT, 2 hours 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 1236 PM EDT MON MAY 23 2011 NYZ012-020-021-231745- WYOMING-CATTARAUGUS-ALLEGANY- INCLUDING THE CITIES OF...WARSAW...OLEAN...WELLSVILLE 1236 PM EDT MON MAY 23 2011 ...THUNDERSTORMS TO MOVE ACROSS THE REGION... AT 1235 PM...A CLUSTER OF SHOWERS AND EMBEDDED THUNDERSTORMS CONTINUED TO LIFT NORTHEAST FROM PENNSYLVANIA AND HAS COVERED MOST OF CATTARAUGUS COUNTY. THIS ACTIVITY WILL ADVANCE NORTH AND NORTHEAST ACROSS MOST OF WYOMING AND ALLEGANY COUNTIES THROUGH 130 PM. LOOK FOR BRIEF DOWNPOURS...GUSTY WINDS...FREQUENT LIGHTNING AND POSSIBLY SMALL HAIL WITH THIS ACTIVITY. WATCH FOR PONDING OF WATER IN LOW LYING AREAS. SFM
Special weather statement, May 23, 1:30 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 130 PM EDT MON MAY 23 2011 NYZ013-231830- LIVINGSTON- INCLUDING THE CITY OF...GENESEO 130 PM EDT MON MAY 23 2011 ...THUNDERSTORMS TO MOVE ACROSS THE AREA... AT 125 PM...A LINE OF SHOWERS WITH EMBEDDED THUNDERSTORMS WAS MOVING NORTHEAST OUT OF ALLEGANY COUNTY TOWARD DANSVILLE AND SOUTHERN LIVINGSTON COUNTY. THE STORMS ARE EXPECTED TO REACH DANSVILLE WITHIN BY 145 PM. EXPECT BRIEF HEAVY DOWNPOURS...GUSTY WINDS...LIGHTNING AND POSSIBLY SMALL HAIL. IF YOU SEE LIGHTNING...OR HEAR THUNDER...GO INDOORS. ALSO...WATCH FOR PONDING OF WATER IN LOW LYING AREAS.
Special weather statement, May 23, 1:49 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 149 PM EDT MON MAY 23 2011 NYZ014-231915- ONTARIO- INCLUDING THE CITY OF...CANANDAIGUA 149 PM EDT MON MAY 23 2011 ...A ROUND OF HEAVY RAIN EXPECTED THIS AFTERNOON... A SLOW MOVING LINE OF SHOWERS AND THUNDERSTORMS STRETCHING FROM CENTRAL LIVINGSTON COUNTY TO ALLEGANY COUNTY AT 1:45 PM WILL LIFT ACROSS ONTARIO COUNTY BETWEEN 2 AND 4 PM. THIS LINE OF CONVECTION WILL PRODUCE AREAS OF HEAVY RAIN WITH RAIN FALL AMOUNTS OF UP TO AN INCH POSSIBLE IN LESS THAN AN HOURS TIME. THERE COULD ALSO BE WIND GUSTS TO 30 MPH ALONG WITH SOME CLOUD TO GROUND LIGHTNING AS THE LINE MOVES THROUGH. MOTORISTS SHOULD WATCH FOR PONDING ON AREA ROADWAYS. THERE COULD ALSO BE SOME LOCALIZED POOR DRAINAGE FLOODING. RSH
Special weather statement, May 23, 2:34 PM EDT, 12 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 |
|---|---|---|---|---|
| May 23, 2:16 AM EDT | Special Weather Statement | BUF | Erie | 59 min |
| May 23, 7:40 AM EDT | Small Craft Advisory | BUF | 12 hr | |
| May 23, 2:01 PM EDT | Special Marine Warning | BUF | 29 min |
Nearby
Areal Flood Advisories in New York, 2011Every areal flood advisory in 2011
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.