Alert archive / New York / Flash Flood Warnings in 2001

Flash Flood Warning 7, NWS Buffalo, NY

June 22, 2001Lewis County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 22, 2001, 6:31 PM EDT for Lewis County, New York. It was in force for 89 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 22, 2001, 6:31 PM EDT (22:31 UTC)
Expired: Jun 22, 2001, 8:00 PM EDT
In force: 89 min
Issued by: NWS Buffalo, NY
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Lewis County, NY

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.5 hours before the alert went out and 183 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 190 m²/s²
0-3 km storm-relative helicity: 193 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 222235
FFWBUF
NYC049-230000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
631 PM EDT FRI JUN 22 2001

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR URBAN AND SMALL STREAMS FOR...
  LEWIS COUNTY IN CENTRAL NEW YORK

* UNTIL 800 PM EDT

* AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF HEAVY SHOWERS AND THUNDERSTORMS STRETCHING FROM 
  NORTHEAST TO SOUTHWEST ACROSS THE BULK OF LEWIS COUNTY. WHILE THE
  INDIVIDUAL STORMS ARE MOVING NORTHAST AT 30 MILES AN HOUR...THE
  GENERAL LINE OF ACTIVITY IS NEARLY STATIONARY. 

DOPPLER RADAR ESTIMATES RAINFALL RATES OF ONE TO TWO INCHES AN HOUR
ACROSS LEWIS COUNTY...WITH SOME AREAS RECEIVING IN EXCESS OF 3 INCHES
OF RAIN SINCE 4 PM EDT. SURFACE RAINFALL MEASUREMENTS HAVE VERIFIED 
RADAR ESTIMATES.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER 
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

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

LAT...LON 4411 7543 4352 7577 4363 7517 4403 7520

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 8:15 PM EDT	Flash Flood Warning	BUF	Chautauqua	2 hr
Jun 21, 10:15 PM EDT	Flash Flood Warning	BUF	Cattaraugus, Chautauqua	2 hr
Jun 22, 3:32 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	58 min
Jun 22, 5:32 PM EDT	Flash Flood Warning	BUF	Lewis	58 min

Nearby

Flash Flood Warnings in New York, 2001 Every flash flood warning in 2001

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.