Alert archive / New York / Flash Flood Warnings in 2015
Flash Flood Warning 29, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Aug 15, 2015, 2:22 AM EDT for Erie County, New York. It was in force for 5 hr. 4 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, 2:22 AM EDT (06:22 UTC)
- Expired
- Aug 15, 2015, 7:15 AM EDT
- In force
- 5 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Erie County, NY
The radar
The Buffalo radar (KBUF), 10 km from the middle of the area, began a volume at 06:26 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, 3:17 AM EDT | FLASH FLOOD | 3 N Buffalo, NY | DELEWARE AVE S CURVES FLOODED WITH VEHICLES STUCK IN FLOOD WATER. |
| Aug 15, 3:35 AM EDT | FLASH FLOOD | 4 Ne Buffalo, NY | EAST AMHERST STREET FLOODED WITH VEHICLES TRAPPED IN FLOOD WATERS |
| Aug 15, 3:50 AM EDT | HEAVY RAIN 3.79 | 1 Ese Cleveland Hill, NY | |
| Aug 15, 4:15 AM EDT | FLASH FLOOD | Amherst, NY | FLOODING ON MAPLE RD NEAR NIAGARA FALLS BLVD AND SHERIDAN DR NEAR BAILEY WITH ROAD CLOSURES. |
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, 6.4 hours before the alert went out and 13 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.
784
WGUS51 KBUF 150622
FFWBUF
NYC029-150915-
/O.NEW.KBUF.FF.W.0029.150815T0622Z-150815T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
222 AM EDT SAT AUG 15 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN ERIE COUNTY IN WESTERN NEW YORK...
* UNTIL 515 AM EDT
* AT 218 AM EDT...DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS THE BUFFALO METRO AREA. UP TO TWO
INCHES OF RAIN HAVE ALREADY FALLEN. THUNDERSTORMS WILL CONTINUE TO
REDEVELOP AND TRAIN ACROSS THE SAME LOCATIONS IN THE WARNED AREA
THROUGH 4 AM. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BUFFALO...CHEEKTOWAGA...NORTH TONAWANDA...CLARENCE...KENMORE...
DEPEW...AMHERST AND TONAWANDA.
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND DONT DROWN.
&&
LAT...LON 4304 7890 4301 7891 4302 7890 4302 7884
4304 7883 4306 7846 4288 7846 4287 7889
4288 7888 4288 7889 4296 7892 4295 7893
4300 7893 4301 7892 4301 7893 4304 7894
$$
CHURCH3 follow-up statements
903
WGUS71 KBUF 150810
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
410 AM EDT SAT AUG 15 2015
NYC029-150915-
/O.CON.KBUF.FF.W.0029.000000T0000Z-150815T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ERIE NY-
410 AM EDT SAT AUG 15 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM EDT FOR
NORTHERN ERIE COUNTY...
AT 407 AM EDT...DOPPLER RADAR INDICATED HEAVY RAINFALL WAS BEGINNING
TO PUSH INTO THE BUFFALO SOUTHTOWNS AND AWAY FROM THE CENTRAL AND
NORTHERN PORTION OF THE BUFFALO METRO AREA WHERE THE HEAVIEST RAIN
HAS FALLEN SO FAR. EVEN THOUGH THE HEAVY RAIN IS TAPERING
OFF...FLASH FLOODING WILL CONTINUE FROM BUFFALO INTO THE NORTHTOWNS.
RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAS FALLEN ACROSS
BUFFALO...WITH EVEN HIGHER AMOUNTS OF AROUND 5 INCHES ALONG
TONAWANDA CREEK.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BUFFALO...CHEEKTOWAGA...NORTH TONAWANDA...CLARENCE...KENMORE...
DEPEW...AMHERST AND TONAWANDA.
A SEPARATE FLASH FLOOD WARNING ALSO REMAINS IN EFFECT UNTIL 6:15 AM
FOR FAR NORTHERN ERIE AND FAR SOUTHERN NIAGARA COUNTIES ALONG
TONAWANDA CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4304 7890 4301 7891 4302 7890 4302 7884
4304 7883 4306 7846 4288 7846 4287 7889
4288 7888 4288 7889 4296 7892 4295 7893
4300 7893 4301 7892 4301 7893 4304 7894
$$
HITCHCOCK387
WGUS51 KBUF 150859
FFWBUF
NYC029-151115-
/O.EXT.KBUF.FF.W.0029.000000T0000Z-150815T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
459 AM EDT SAT AUG 15 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
NORTHERN ERIE COUNTY IN WESTERN NEW YORK...
* UNTIL 715 AM EDT
* AT 455 AM EDT...EMERGENCY MANAGEMENT REPORTED ONGOING FLASH
FLOODING FROM PREVIOUS HEAVY RAINFALL ACROSS BUFFALO AND THE
NORTHERN AND EASTERN SUBURBS. NUMEROUS ROADS ARE FLOODED AND
IMPASSABLE. DOPPLER RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAS
FALLEN...WITH EVEN HIGHER AMOUNTS OF UP TO 5 INCHES NEAR TONAWANDA
CREEK IN FAR NORTHERN ERIE COUNTY. THE HEAVY RAIN HAS ENDED...BUT
WATER WILL REMAIN HIGH INTO THE EARLY MORNING HOURS BEFORE IT
DRAINS OFF.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BUFFALO...CHEEKTOWAGA...NORTH TONAWANDA...CLARENCE...KENMORE...
DEPEW...AMHERST AND TONAWANDA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. TURN AROUND DONT DROWN.
&&
LAT...LON 4304 7890 4301 7891 4302 7890 4302 7884
4304 7883 4306 7846 4288 7846 4287 7889
4288 7888 4288 7889 4296 7892 4295 7893
4300 7893 4301 7892 4301 7893 4304 7894
$$
HITCHCOCK053
WGUS71 KBUF 151117
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
717 AM EDT SAT AUG 15 2015
NYC029-151125-
/O.EXP.KBUF.FF.W.0029.000000T0000Z-150815T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ERIE NY-
717 AM EDT SAT AUG 15 2015
...THE FLASH FLOOD WARNING FOR NORTHEASTERN ERIE COUNTY HAS
EXPIRED...
FLOOD WATERS WILL CONTINUE TO RECEDED THIS MORNING...AND ARE NO
LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. A FEW LIGHT
RAIN SHOWERS WILL LINGER THROUGH 8 AM THIS MORNING... BUT LITTLE
ADDITIONAL IMPACT OR ACCUMULATIONS ARE EXPECTED. PLEASE CONTINUE TO
HEED ANY ROAD CLOSURES.
LAT...LON 4304 7890 4301 7891 4302 7890 4302 7884
4304 7883 4306 7846 4288 7846 4287 7889
4288 7888 4288 7889 4296 7892 4295 7893
4300 7893 4301 7892 4301 7893 4304 7894
$$
CHURCHThe 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, 12:41 AM EDT | Flash Flood Warning | BUF | Erie, Niagara | 6 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.