Alert archive / New York / Flash Flood Warnings in 2015
Flash Flood Warning 28, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Aug 15, 2015, 12:41 AM EDT for Erie County, Niagara County, New York. It was in force for 6 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 15, 2015, 12:41 AM EDT (04:41 UTC)
- Expired
- Aug 15, 2015, 6:15 AM EDT
- In force
- 6 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Erie County, NY, Niagara County, NY
The radar
The Buffalo radar (KBUF), 19 km from the middle of the area, began a volume at 04:45 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 15, 1:30 AM EDT | FLASH FLOOD | 1 Ssw Wendelville, NY | NUMEROUS REPORTS OF FLOODING AND STREET CLOSURES THROUGHOUT NORTHERN AMHERST |
| Aug 15, 4:00 AM EDT | HEAVY RAIN 5.86 | 1 Sse Wendelville, NY | MOST OF RAIN BETWEEN 12AM AND 3AM |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.7 hours before the alert went out and 19 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
- 277 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1171 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
241
WGUS51 KBUF 150441
FFWBUF
NYC029-063-150745-
/O.NEW.KBUF.FF.W.0028.150815T0441Z-150815T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1241 AM EDT SAT AUG 15 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN NIAGARA COUNTY IN WESTERN NEW YORK...
NORTHEASTERN ERIE COUNTY IN WESTERN NEW YORK...
* UNTIL 345 AM EDT
* AT 1240 AM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. TWO TO THREE INCHES OF RAIN
HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTH TONAWANDA...AMHERST...PENDLETON...WOLCOTTSVILLE...PENDLETON
CENTER AND RAPIDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 4314 7851 4305 7851 4304 7884 4313 7884
$$
CHURCH3 follow-up statements
482 WGUS71 KBUF 150507 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 107 AM EDT SAT AUG 15 2015 NYC029-063-150745- /O.CON.KBUF.FF.W.0028.000000T0000Z-150815T0745Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIAGARA NY-ERIE NY- 107 AM EDT SAT AUG 15 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 AM EDT FOR SOUTHEASTERN NIAGARA AND NORTHEASTERN ERIE COUNTIES... AT 104 AM EDT...DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS STALLED ALONG TONAWANDA CREEK PRODUCING HEAVY RAIN. RADAR RAINFALL ESTIMATES ARE NOW PUSHING 4 INCHES IN THE LAST HOUR. THUNDERSTORMS CONTINUE TO REDEVELOP WEST OF THE FLASH FLOOD WARNING AND ARE TRAINING INTO THE WARNED AREA. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY IF NOT ALREADY ONGOING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... NORTH TONAWANDA...AMHERST...PENDLETON...WOLCOTTSVILLE...PENDLETON CENTER AND RAPIDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. && LAT...LON 4314 7851 4305 7851 4304 7884 4313 7884 $$ CHURCH
845 WGUS51 KBUF 150737 FFWBUF NYC029-063-151015- /O.EXT.KBUF.FF.W.0028.000000T0000Z-150815T1015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BUFFALO NY 337 AM EDT SAT AUG 15 2015 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS EXTENDED THE * FLASH FLOOD WARNING FOR... SOUTHERN NIAGARA COUNTY IN WESTERN NEW YORK... NORTHERN ERIE COUNTY IN WESTERN NEW YORK... * UNTIL 615 AM EDT * AT 333 AM EDT...FLASH FLOODING WAS ONGOING ACROSS NORTHERN ERIE AND FAR SOUTHERN NIAGARA COUNTY. LOCAL LAW ENFORCEMENT REPORTS NUMEROUS ROADS FLOODED ACROSS THE BUFFALO NORTHTOWNS. DOPPLER RADAR ESTIMATES 4 TO 5 INCHES OF RAIN FELL IN A LOCALIZED AREA ALONG TONAWANDA CREEK. THE HEAVY RAIN HAS TAPERED OFF...HOWEVER EXCESSIVE RUNOFF WILL CONTINUE TO PRODUCE FLOODING THROUGH THE EARLY MORNING HOURS. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... NORTH TONAWANDA...AMHERST...PENDLETON...WOLCOTTSVILLE...CLARENCE AND RAPIDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 4314 7851 4305 7851 4304 7884 4313 7884 $$ HITCHCOCK
735 WGUS71 KBUF 151008 FFSBUF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 608 AM EDT SAT AUG 15 2015 NYC029-063-151017- /O.EXP.KBUF.FF.W.0028.000000T0000Z-150815T1015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NIAGARA NY-ERIE NY- 608 AM EDT SAT AUG 15 2015 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN NIAGARA AND NORTHEASTERN ERIE COUNTIES WILL EXPIRE AT 615 AM EDT... FLOOD WATERS WILL CONTINUE TO RECED...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 4314 7851 4305 7851 4304 7884 4313 7884 $$ CHURCH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 9:58 PM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 14, 10:59 PM EDT | Special Marine Warning | BUF | 61 min | |
| Aug 14, 11:04 PM EDT | Special Weather Statement | BUF | Monroe | 41 min |
| Aug 15, 12:25 AM EDT | Flash Flood Warning | BUF | Monroe | 3 hr |
| Aug 15, 2:22 AM EDT | Flash Flood Warning | BUF | Erie | 5 hr |
| Aug 15, 4:25 AM EDT | Special Weather Statement | BUF | Erie | 80 min |
Nearby
Flash Flood Warnings in New York, 2015Every flash flood warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.