Alert archive / New York / Flash Flood Warnings in 2005

Flash Flood Warning 12, NWS Buffalo, NY

July 13, 2005Allegany County, New York

NWS Buffalo, NY issued this flash flood warning at Jul 13, 2005, 8:47 PM EDT for Allegany 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
Jul 13, 2005, 8:47 PM EDT (00:47 UTC)
Expired
Jul 13, 2005, 11:45 PM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 107 km from the middle of the area, began a volume at 00:50 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, 0.8 hours before the alert went out and 104 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2005-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1400 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2005-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1400 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1507 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KBUF 140052
FFWBUF
NYC003-140345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
847 PM EDT WED JUL 13 2005

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ALLEGANY COUNTY IN WESTERN NEW YORK

* UNTIL 1145 PM EDT

* AT 846 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE OVER AND EAST OF    
  THE GENESEE VALLEY FROM WELLSVILLE TO BELFAST...MOVING SLOWLY
  NORTH AT ONLY 10 MPH. FLOODING FROM SIDE CREEKS ALONG THE GENESEE
  RIVER IS LIKELY...ESPECIALLY BETWEEN WELLSVILLE AND SCIO.
  VANDERMARK AND DYKE CREEKS ARE MOST LIKELY TO PRODUCE FLOODING.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ALFRED...BELFAST AND HOUGHTON.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS COUNTRY ROADS AND FARMLAND ALONG THE BANKS OF CREEKS AND 
STREAMS.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
BUFFALO.

LAT...LON 4201 7777 4200 7806 4250 7822 4245 7777

$$

HIBBERT
1 follow-up statement
000 
WGUS71 KBUF 140159
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
959 PM EDT WED JUL 13 2005

NYC003-140209-
ALLEGANY NY-
959 PM EDT WED JUL 13 2005

...THE FLASH FLOOD WARNING FOR ALLEGANY COUNTY IS CANCELLED...

AT 959 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE 
THUNDERSTORM THAT PROMPTED THE WARNING HAD DISSIPATED...THUS THE 
FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 4201 7777 4200 7806 4250 7822 4245 7777

$$

HIBBERT

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 14, 1:31 AM EDTSpecial Marine WarningBUF59 min
Jul 14, 2:43 AM EDTSpecial Marine WarningBUF62 min
Jul 14, 8:55 AM EDTSevere Thunderstorm WarningBUFJefferson35 min
Jul 14, 8:57 AM EDTSevere Thunderstorm WarningBUFLewis64 min
Jul 14, 3:26 PM EDTSevere Thunderstorm WarningBUFNiagara49 min
Jul 14, 3:44 PM EDTSpecial Marine WarningBUF46 min
Jul 14, 4:03 PM EDTSevere Thunderstorm WarningBUFMonroe42 min
Jul 14, 4:18 PM EDTSpecial Marine WarningBUF57 min
Jul 14, 5:02 PM EDTSevere Thunderstorm WarningBUFErie30 min
Jul 14, 5:27 PM EDTSevere Thunderstorm WarningBUFGenesee52 min
Jul 14, 5:46 PM EDTFlash Flood WarningBUFLewis3 hr
Jul 14, 6:15 PM EDTSevere Thunderstorm WarningBUFErie37 min
Jul 14, 7:25 PM EDTSevere Thunderstorm WarningBUFMonroe59 min
Jul 14, 7:35 PM EDTFlash Flood WarningBUFMonroe3 hr

Nearby

Flash Flood Warnings in New York, 2005Every flash flood warning in 2005

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.