Alert archive / New York / Flash Flood Warnings in 2004
Flash Flood Warning 19, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Jul 17, 2004, 6:38 PM EDT for Wyoming County, New York. It was in force for 2 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
- Jul 17, 2004, 6:38 PM EDT (22:38 UTC)
- Expired
- Jul 17, 2004, 8:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS Buffalo, NY
- Area
- Counties, with a storm outline in the text
County Wyoming County, NY
The radar
The Buffalo radar (KBUF), 48 km from the middle of the area, began a volume at 22:41 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 12:00Z, 10.6 hours before the alert went out and 44 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
- 131 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1043 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KBUF 172239 FFWBUF NYC121-180045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BUFFALO NY 638 PM EDT SAT JUL 17 2004 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * FLASH FLOOD WARNING FOR... WYOMING COUNTY IN WESTERN NEW YORK * UNTIL 845 PM EDT * AT 631 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR A LINE OF THUNDERSTORMS EXTENDING FROM BLISS TO VARYSBURG. THE STORMS WERE PRODUCING TORRENTIAL RAINS AND WERE NEARLY STATIONARY. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BUFFALO. LAT...LON 4252 7823 4285 7823 4285 7843 4253 7843 $$ LEVAN
2 follow-up statements
000 WGUS71 KBUF 180011 FFSBUF NYC121-180045- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 810 PM EDT SAT JUL 17 2004 ...A FLASH FLOOD WARNING FOR WYOMING COUNTY CONTINUES UNTIL 845 PM EDT... SHOWERS AND THUNDERSTORMS CONTINUE ACROSS WESTERN WYOMING COUNTY. DOPPLER RADAR ESTIMATES THAT UP TO 4 INCHES OF RAIN HAS FALLEN IN SOME AREAS OVER THE PAST THREE HOURS. WHILE THE SHOWERS AND THUNDERSTORMS HAVE WEAKENED SOMEWHATR...RAIN WILL CONTINUE THROUGH THE NEXT HOUR OR SO WITH ADDITIONAL RAINFALL OF ANOTHER INCH POSSIBLE. EXCESSIVE RUNOFF FROM HEAVY RAINFALL MAY CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BUFFALO. LAT...LON 4252 7823 4285 7823 4285 7843 4253 7843 $$ LEVAN
000 WGUS71 KBUF 180053 FFSBUF NYC121-180055- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 855 PM EDT SAT JUL 17 2004 THE FLASH FLOOD WARNING FOR WYOMING COUNTY HAS EXPIRED. SHOWERS AND THUNDERSTORMS HAVE WEAKENED AND WILL DISSIPATE OVER THE NEXT HOUR OR SO. LAT...LON 4252 7823 4285 7823 4285 7843 4253 7843 $$ LEVAN
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 4:32 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Orleans | 58 min |
| Jul 17, 4:59 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 61 min |
| Jul 17, 5:23 PM EDT | Severe Thunderstorm Warning | BUF | Niagara | 52 min |
| Jul 17, 7:16 PM EDT | Flash Flood Warning | BUF | Cattaraugus | 119 min |
Nearby
Flash Flood Warnings in New York, 2004Every flash flood warning in 2004
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.