Alert archive / New York / Flash Flood Warnings in 2015
Flash Flood Warning 23, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Aug 10, 2015, 3:08 PM EDT for Wayne County, New York. It was in force for 6 hr. 3 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 10, 2015, 3:08 PM EDT (19:08 UTC)
- Expired
- Aug 10, 2015, 8:47 PM EDT
- In force
- 6 hr
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Wayne County, NY
The radar
The Buffalo radar (KBUF), 132 km from the middle of the area, began a volume at 19:08 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 10, 4:15 PM EDT | FLASH FLOOD | Macedon, NY | 1974 DAANSEN RD... WATER FLOWING SWIFTLY ACROSS THE ROADWAY. |
| Aug 10, 4:30 PM EDT | FLASH FLOOD | Palmyra, NY | 3140 MAPLE AVE... WATER FLOWING SWIFTLY ACROSS THE ROADWAY. |
| Aug 10, 4:30 PM EDT | FLASH FLOOD | Palmyra, NY | 4122 DEE SMITH ROAD WATER FLOWING SWIFTLY ACROSS THE ROADWAY. |
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 12:00Z, 7.1 hours before the alert went out and 129 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1535 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
314
WGUS51 KBUF 101908
FFWBUF
NYC117-102200-
/O.NEW.KBUF.FF.W.0023.150810T1908Z-150810T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
308 PM EDT MON AUG 10 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN WAYNE COUNTY IN WESTERN NEW YORK...
* UNTIL 600 PM EDT
* AT 307 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. THIS STORM IS EXTREMELY SLOW
MOVING...AND WILL CONTINUE TO BRING HEAVY RAIN TO THE SAME
LOCATIONS. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ONTARIO...NEWARK...WILLIAMSON...MARION...PALMYRA...SODUS...WALWORTH
AND MACEDON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4306 7736 4328 7731 4328 7717 4329 7715
4329 7710 4328 7707 4327 7703 4327 7696
4303 7705
$$
APFFEL4 follow-up statements
706
WGUS71 KBUF 102028
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
428 PM EDT MON AUG 10 2015
NYC117-102200-
/O.CON.KBUF.FF.W.0023.000000T0000Z-150810T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAYNE NY-
428 PM EDT MON AUG 10 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
WESTERN WAYNE COUNTY...
AT 427 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN JUST WEST OF SODUS NEAR WILLIAMSON AND NEAR MACEDON
AND PALMYRA. THIS HEAVY RAIN IS PRODUCING FLASH FLOODING.
THESE STORMS ARE EXTREMELY SLOW MOVING. EXPECT HEAVY RAIN TO
CONTINUE THROUGH AT LEAST 500 PM...ESPECIALLY IN THE MACEDON AND
PALMYRA AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4306 7736 4328 7731 4328 7717 4329 7715
4329 7710 4328 7707 4327 7703 4327 7696
4303 7705
$$
APFFEL161
WGUS51 KBUF 102149
FFWBUF
NYC117-110100-
/O.EXT.KBUF.FF.W.0023.000000T0000Z-150811T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
549 PM EDT MON AUG 10 2015
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
WESTERN WAYNE COUNTY IN WESTERN NEW YORK...
* UNTIL 900 PM EDT
* AT 546 PM EDT...SPOTTER REPORTS CONFIRM THAT OVER 3 INCHES OF RAIN
HAS FALLEN IN THE WARNED AREA. THE HEAVIEST RAIN HAS FALLEN IN
WILLIAMSON...PALMYRA...AND MACEDON. ALTHOUGH THE FIRST ROUND OF
HEAVY RAIN HAS MOVED OUT OF THE AREA...FLASH FLOODING IS OCCURRING.
THERE ARE MORE STORMS UPSTREAM WHICH MAY PRODUCE ADDITIONAL HEAVY
RAINFALL. AS A RESULT...THE FLASH FLOOD WARNING HAS BEEN EXTENDED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4306 7736 4328 7731 4328 7717 4329 7715
4329 7710 4328 7707 4327 7703 4327 7696
4303 7705
$$
APFFEL916
WGUS71 KBUF 102325
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
725 PM EDT MON AUG 10 2015
NYC117-110100-
/O.CON.KBUF.FF.W.0023.000000T0000Z-150811T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAYNE NY-
725 PM EDT MON AUG 10 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
WESTERN WAYNE COUNTY...
AT 719 PM EDT...A COMBINATION OF SPOTTER REPORTS AND DOPPLER RADAR
ESTIMATES SUGGEST THAT AS MUCH AS 3 TO 4 INCHES OF RAIN HAS FALLEN
WITHIN THE WARNED AREA...WITH THE HEAVIEST RAIN HAVING FALLEN IN
WILLIAMSON...PALMYRA...AND MACEDON. FLASH FLOODING IS OCCURRING...
AND ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO PRODUCE
ADDITIONAL HEAVY RAINFALL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4306 7736 4328 7731 4328 7717 4329 7715
4329 7710 4328 7707 4327 7703 4327 7696
4303 7705
$$
JJR777
WGUS71 KBUF 110047
FFSBUF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
847 PM EDT MON AUG 10 2015
NYC117-110056-
/O.CAN.KBUF.FF.W.0023.000000T0000Z-150811T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAYNE NY-
847 PM EDT MON AUG 10 2015
...THE FLASH FLOOD WARNING FOR WESTERN WAYNE COUNTY IS CANCELLED...
CALLS TO AREA LAW ENFORCEMENT INDICATE THAT FLOOD WATERS HAVE
RECEDED...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR
PROPERTY...SO THE FLASH FLOOD WARNING HAS BEEN CANCELLED. PLEASE
CONTINUE TO HEED ANY LEFTOVER ROAD CLOSURES.
LAT...LON 4306 7736 4328 7731 4328 7717 4329 7715
4329 7710 4328 7707 4327 7703 4327 7696
4303 7705
$$
CHURCHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 3:24 PM EDT | Special Weather Statement | BUF | Lewis | 51 min |
| Aug 10, 3:56 PM EDT | Special Weather Statement | BUF | Monroe | 49 min |
| Aug 10, 4:31 PM EDT | Special Marine Warning | BUF | 59 min | |
| Aug 10, 4:43 PM EDT | Special Weather Statement | BUF | Wayne | 47 min |
| Aug 10, 5:15 PM EDT | Special Marine Warning | BUF | 60 min | |
| Aug 10, 5:15 PM EDT | Special Weather Statement | BUF | Wyoming | 45 min |
| Aug 10, 5:17 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Wyoming | 43 min |
| Aug 10, 5:22 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Wayne | 53 min |
| Aug 10, 6:01 PM EDT | Flash Flood Warning | BUF | Erie, Genesee, Wyoming | 3 hr |
| Aug 10, 6:16 PM EDT | Flash Flood Warning | BUF | Wayne | 3 hr |
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.