Alert archive / New York / Areal Flood Advisories in 2011
Areal Flood Advisory 23, NWS Buffalo, NY
NWS Buffalo, NY issued this areal flood advisory at May 14, 2011, 11:38 PM EDT for Erie County, Niagara County, New York. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 14, 2011, 11:38 PM EDT (03:38 UTC)
- Expired
- May 15, 2011, 2:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Erie County, NY, Niagara County, NY
The radar
The Buffalo radar (KBUF), 2 km from the middle of the area, began a volume at 03:39 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, 3.6 hours before the alert went out and 5 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
- 369 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 534 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 19 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 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 14, 11:15 PM EDT, 23 minutes earlier.
Area forecast discussion, May 14, 11:15 PM EDT, 23 minutes before
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</html>Hazardous weather outlook, May 14, 10:30 PM EDT, 1 hour 8 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BUFFALO NY 1030 PM EDT SAT MAY 14 2011 NYZ012-019>021-085-160230- WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE- 1030 PM EDT SAT MAY 14 2011 ...FLASH FLOOD WATCH IN EFFECT UNTIL 4 AM EDT SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NEW YORK. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. THERE IS AN ADDITIONAL THREAT FOR HEAVY RAIN DURING THE REST OF THE WEEKEND AND THE FIRST HALF OF NEXT WEEK. WHILE IT IS STILL TOO EARLY TO PINPOINT RAINFALL AMOUNTS AND WHICH LOCATIONS WILL RECEIVE THE HEAVIEST RAIN...THIS RAIN COULD RESULT IN THE POTENTIAL FOR FLOODING...ESPECIALLY WHERE CREEK AND STREAM LEVELS REMAIN HIGH. .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>008-010-011-013-014-160230- NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS- NORTHERN ERIE-GENESEE-LIVINGSTON-ONTARIO- 1030 PM EDT SAT MAY 14 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND NORTH CENTRAL NEW YORK. .DAY ONE...TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. THERE IS AN ADDITIONAL THREAT FOR HEAVY RAIN DURING THE REST OF THE WEEKEND AND THE FIRST HALF OF NEXT WEEK. WHILE IT IS STILL TOO EARLY TO PINPOINT RAINFALL AMOUNTS AND WHICH LOCATIONS WILL RECEIVE THE HEAVIEST RAIN...THIS RAIN COULD RESULT IN THE POTENTIAL FOR FLOODING...ESPECIALLY WHERE CREEK AND STREAM LEVELS REMAIN HIGH. .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-SLZ022-024-160230- 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- 1030 PM EDT SAT MAY 14 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE ONTARIO AND SAINT LAWRENCE RIVER. .DAY ONE...TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. 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
In the hours before
Special weather statement, May 14, 5:57 PM EDT, 5 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
557 PM EDT SAT MAY 14 2011
NYZ020-142300-
CATTARAUGUS NY-
557 PM EDT SAT MAY 14 2011
...SHOWERS CONTINUE TO BRING MODERATE TO HEAVY RAIN IN PORTIONS OF
CATTARAUGUS COUNTY...
* AT 551 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS AND ISOLATED THUNDERSTORMS SLOWLY MOVING ACROSS WESTERN
PORTIONS OF CATTARAUGUS COUNTY. STEADIEST RAIN IS LIKELY TO
FOCUS IN THE VICINITY OF RANDOLPH AND SALAMANCA. THESE STORMS MAY
BRING AN ADDITIONAL HALF INCH OF RAIN BETWEEN 600 PM AND 700 PM TO
SOME LOCATIONS.
RECENT RAINFALL HAS LEFT THE REGION VULNERABLE TO FLASH FLOODING. IT
WILL NOT TAKE MUCH RAIN TO CAUSE PONDING OF WATER ON ROADS...AND TO
CAUSE CREEKS TO RISE NEAR BANKFUL. A FLASH FLOOD WATCH REMAINS IN
EFFECT.
LAT...LON 4242 7904 4244 7885 4252 7842 4200 7838
4199 7905
APFFELSpecial weather statement, May 14, 10:13 PM EDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1013 PM EDT SAT MAY 14 2011
NYZ001-010-085-150300-
ERIE NY-NIAGARA NY-
1013 PM EDT SAT MAY 14 2011
...HEAVY RAIN WILL FALL ACROSS BUFFALO THROUGH 1100 PM...
* AT 1007 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF HEAVY RAIN WHICH WILL MOVE ACROSS BUFFALO THROUGH 1100
PM. THIS MAY BRING A QUICK INCH OF RAIN TO MANY FROM DOWNTOWN
BUFFALO TO THE NORTH TOWNS.
THIS STORM HAS THE POTENTIAL TO PRODUCE VERY HEAVY RAIN...AND COULD
CAUSE LOCALIZED FLOODING OF ROADS AND POOR DRAINAGE AREAS.
LAT...LON 4309 7865 4300 7847 4269 7878 4276 7890
4278 7886 4282 7888 4285 7887 4287 7891
4294 7892
APFFELSpecial weather statement, May 14, 10:58 PM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1058 PM EDT SAT MAY 14 2011
NYZ001-010-150400-
ERIE NY-NIAGARA NY-
1058 PM EDT SAT MAY 14 2011
...AREAS OF HEAVY RAIN SHOWERS WILL LIFT ACROSS THE NORTH TOWNS
THROUGH MIDNIGHT...
* AT 1050 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAIN SHOWERS ACROSS BUFFALO...TONAWANDA...AND AMHERST.
THIS AREA WILL CONTINUE TO TRACK NORTHEASTWARD TOWARD LOCKPORT
THROUGH MIDNIGHT. THIS AREA WILL CONTINUE TO PRODUCE LOCALLY HEAVY
DOWNPOURS...WITH RAINFALL RATES UP TO AN INCH AN HOUR.
THIS STORM HAS THE POTENTIAL TO PRODUCE VERY HEAVY RAIN...AND COULD
CAUSE LOCALIZED FLOODING OF ROADS AND POOR DRAINAGE AREAS.
LAT...LON 4299 7901 4323 7869 4304 7848 4279 7877
4290 7892 4294 7892 4295 7896 4298 7902
APFFELThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 10:06 PM EDT | Areal Flood Advisory | BUF | Genesee, Monroe, Orleans | 3 hr |
| May 14, 10:13 PM EDT | Special Weather Statement | BUF | Erie | 47 min |
| May 14, 10:58 PM EDT | Special Weather Statement | BUF | Erie | 62 min |
| May 15, 1:01 AM EDT | Areal Flood Advisory | BUF | Genesee, Monroe, Orleans | 3 hr |
| May 15, 4:15 AM EDT | Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more | 23 hr |
| May 15, 12:47 PM EDT | Areal Flood Advisory | BUF | Chautauqua | 3 hr |
| May 15, 4:05 PM EDT | Areal Flood Advisory | BUF | Allegany | 4 hr |
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.