Alert archive / New York / Flash Flood Warnings in 2015
Flash Flood Warning 27, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Aug 15, 2015, 12:25 AM EDT for Monroe County, New York. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 15, 2015, 12:25 AM EDT (04:25 UTC)
- Expired
- Aug 15, 2015, 3:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Monroe County, NY
The radar
The Buffalo radar (KBUF), 86 km from the middle of the area, began a volume at 04:28 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, 4.4 hours before the alert went out and 84 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.
592
WGUS51 KBUF 150425
FFWBUF
NYC055-150730-
/O.NEW.KBUF.FF.W.0027.150815T0425Z-150815T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1225 AM EDT SAT AUG 15 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN MONROE COUNTY IN WESTERN NEW YORK...
* UNTIL 330 AM EDT
* AT 1223 AM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAS
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HILTON...HAMLIN BEACH STATE PARK AND BRADDOCK BAY.
ADDITIONAL RAINFALL AMOUNTS OF ONE HALF TO AN INCH ARE POSSIBLE IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4334 7783 4334 7776 4332 7771 4332 7773
4331 7771 4331 7769 4329 7767 4322 7790
4324 7798 4337 7798
$$
THOMAS2 follow-up statements
816
WGUS71 KBUF 150546
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
146 AM EDT SAT AUG 15 2015
NYC055-150730-
/O.CON.KBUF.FF.W.0027.000000T0000Z-150815T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE NY-
146 AM EDT SAT AUG 15 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM EDT FOR
NORTHWESTERN MONROE COUNTY...
AT 142 AM EDT...DOPPLER RADAR INDICATES THE THUNDERSTORMS PRODUCING
THE HEAVIEST RAINFALL HAVE MOVED OUT OF THE WARNED AREA... BUT SOME
LIGHT RAINFALL WILL CONTINUE THROUGH ABOUT 3 AM. RADAR ESTIMATES UP
TO THREE INCHES OF RAIN HAVE ALREADY FALLEN.
POWER OUTAGES HAVE BEEN REPORTED IN THE HILTON AND SPENSORPORT AREAS
WHICH WILL MAKE FLOODING AT NIGHT TIME EVEN HARDER TO SEE. IF
DRIVING USE EXTRA CAUTION AS FLOODED ROADWAY WILL BE HARD TO SEE.
TURN AROUND DONT DROWN.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HILTON...HAMLIN BEACH STATE PARK AND BRADDOCK BAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4334 7783 4334 7776 4332 7771 4332 7773
4331 7771 4331 7769 4329 7767 4322 7790
4324 7798 4337 7798
$$
CHURCH327
WGUS71 KBUF 150732
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
332 AM EDT SAT AUG 15 2015
NYC055-150742-
/O.EXP.KBUF.FF.W.0027.000000T0000Z-150815T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE NY-
332 AM EDT SAT AUG 15 2015
...THE FLASH FLOOD WARNING FOR NORTHWESTERN MONROE COUNTY HAS
EXPIRED...
FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.
LAT...LON 4334 7783 4334 7776 4332 7771 4332 7773
4331 7771 4331 7769 4329 7767 4322 7790
4324 7798 4337 7798
$$
HITCHCOCKThe 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, 12:41 AM EDT | Flash Flood Warning | BUF | Erie, Niagara | 6 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.