Alert archive / New York / Flash Flood Warnings in 2006

Flash Flood Warning 3, NWS Buffalo, NY

July 12, 2006Monroe County, Orleans County, New York

NWS Buffalo, NY issued this flash flood warning at Jul 12, 2006, 12:42 PM EDT for Monroe County, Orleans County, New York. It was in force for 3 hr. 2 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
Jul 12, 2006, 12:42 PM EDT (16:42 UTC)
Expired
Jul 12, 2006, 3:45 PM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

Counties Monroe County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 83 km from the middle of the area, began a volume at 16:42 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

TimeReportWhereRemark
Jul 12, 2:45 PM EDTFLASH FLOODAlbion, NYNUMEROUS ROADS IMPASSABLE DUE TO FLOODING, STORM SEWER MANHOLE COVERS LIFTED BY OVERFLOWING SEWER SYSTEM
Jul 12, 2:50 PM EDTFLASH FLOODRochester, NYINTERSTATE ROUTE 390 CLOSED DUE TO FLOODING FROM COUNTY ROUTE 111 TO ROUTE 104. SEVERAL OTHER INTERSECTIONS CLOSED DUE TO FLOODING AND VEHICLES STUCK IN HIGH WATER.

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, 4.7 hours before the alert went out and 80 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 12:00Z on 2006-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 12:00Z on 2006-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 square meters per square second.193958Sfc1 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
21 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
235 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 121646
FFWBUF
NYC055-073-121945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1242 PM EDT WED JUL 12 2006

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN WESTERN NEW YORK
  ORLEANS COUNTY IN WESTERN NEW YORK

* UNTIL 345 PM EDT

* AT 1230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAINS OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
  ROCHESTER...IRONDEQUOIT...GREECE...BROCKPORT...WATERPORT...
  KENDALL...WEBSTER...HOLLEY...HILTON AND ALBION

ADDITIONAL RAINFALL AMOUNTS OF 1 INCH ARE POSSIBLE IN THE WARNED 
AREA.

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.

LAT...LON 4335 7778 4324 7758 4324 7749 4328 7741
      4304 7738 4304 7747 4299 7749 4300 7783
      4307 7792 4314 7792 4314 7808 4319 7829
      4338 7833

$$

APB
2 follow-up statements
000 
WGUS71 KBUF 121856
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
255 PM EDT WED JUL 12 2006

NYC055-073-121945-
MONROE NY-ORLEANS NY-
255 PM EDT WED JUL 12 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR
ORLEANS AND MONROE COUNTIES...

AT 245 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING 
OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
ROCHESTER...KENDALL...WEBSTER...SPENCERPORT... IRONDEQUOIT... 
HOLLEY...HILTON...GREECE...GATES...AND BROCKPORT.

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.

THE HEAVY RAIN SHOULD SUBSIDE IN THE NEXT HOUR.

IN MONROE COUNTY A PART OF INTERSTATE 390 WAS CLOSED DUE TO 
FLOODING, AND MANY INTERSECTIONS WERE FLOODED.  SOME CARS WERE 
STALLED IN HIGH WATER.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY.

LAT...LON 4335 7778 4324 7758 4324 7749 4328 7741
      4304 7738 4304 7747 4299 7749 4300 7783
      4307 7792 4314 7792 4314 7808 4319 7829
      4338 7833

$$

APB
000 
WGUS71 KBUF 121944
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
342 PM EDT WED JUL 12 2006

NYC055-073-121952-
MONROE NY-ORLEANS NY-
342 PM EDT WED JUL 12 2006

...THE FLASH FLOOD WARNING WILL EXPIRE AT 345 PM EDT FOR ORLEANS AND
MONROE COUNTIES...

AT 342 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE HEAVY 
RAIN THAT PROMPTED THE WARNING HAS WEAKENED...THUS THE FLOOD WARNING 
HAS BEEN ALLOWED TO EXPIRE.

ANY ONGOING FLOODING WILL BE RECEDING FOR THE NEXT SEVERAL HOURS... 
BUT ANY HEAVIER RAIN WILL BE BRIEF AND SHOULD NOT CAUSE ADDITIONAL 
PROBLEMS. 

LAT...LON 4335 7778 4324 7758 4324 7749 4328 7741
      4304 7738 4304 7747 4299 7749 4300 7783
      4307 7792 4314 7792 4314 7808 4319 7829
      4338 7833

$$

APB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 1:39 PM EDTFlash Flood WarningBUFCayuga, Wayne3 hr

Nearby

Flash Flood Warnings in New York, 2006Every flash flood warning in 2006

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.