Alert archive / Vermont / Flash Flood Warnings in 2000

Flash Flood Warning 36, NWS Albany, NY

July 17, 2000Windham County, Vermont

NWS Albany, NY issued this flash flood warning at Jul 17, 2000, 4:40 AM EDT for Windham County, Vermont. It was in force for 4 hr. 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
Jul 17, 2000, 4:40 AM EDT (08:40 UTC)
Expired
Jul 17, 2000, 9:00 AM EDT
In force
4 hr
Issued by
NWS Albany, NY
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Windham County, VT

The radar

The Albany radar (KENX), 121 km from the middle of the area, began a volume at 08:42 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.

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 8.7 hours before the alert went out and 99 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, Albany, NY at 00:00Z on 2000-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1279 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, Albany, NY at 00:00Z on 2000-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
1279 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1061 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
28 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 KALY 170837
FFWALY
VTC025-171300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
440 AM EDT MON JUL 17 2000

THE NATIONAL WEATHER SERVICE IN ALBANY HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  WINDHAM COUNTY IN SOUTHERN VERMONT

* UNTIL 900 AM EDT

* AT 430 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
MORE HEAVY RAIN MOVING INTO WINDHAM COUNTY.  THIS HEAVY RAIN WILL
CONTINUE TO AFFECT THE ALREADY HARD HIT AREA AROUND NEWFANE ALONG
ROUTE 30.  RADAR ESTIMATES SHOW SIX OR MORE INCHES OF RAIN HAS
FALLEN IN THE NEWFANE AREA SINCE 900 PM SUNDAY. ANOTHER ONE TO TWO
INCHES OF RAIN IS POSSIBLE THROUGHOUT THIS AREA...BEFORE THE RAIN
TAPERS OFF AFTER DAYBREAK MONDAY.

SEVERE FLOODING WILL CONTINUE ALONG THE WHITE RIVER AND ITS
TRIBUTARIES AROUND NEWFANE AND ALONG ROUTE 30.

THE VERMONT STATE HIGHWAY DEPARTMENT ALSO REPORTED MUD SLIDES NEAR
THE TOWN OF TOWNSEND ON ROUTE 30...CLOSING THE ROAD.

RAIN HAS ALSO BEEN HEAVY OVER THE REST OF THE COUNTY...WITH RADAR
ESTIMATES SHOWING ONE TO THREE INCHES OVER THE REST OF THE COUNTY.
WITH ANOTHER ONE TO TWO INCHES LIKELY IN OTHER LOCATIONS BEFORE THE
RAIN ENDS...FLASH FLOODING CAN ALSO BE EXPECTED IN OTHER PARTS OF
WINDHAM COUNTY.

IF YOU LIVE ALONG THE WEST RIVER OR ITS TRIBUTARIES NEAR NEWFANE...
AND YOU HAVE NOT ALREADY DONE SO...HEAD FOR HIGHER GROUND IMMEDIATELY.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4292 7279 4278 7259 4320 7251 4325 7283

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 8:47 PM EDTFlash Flood WarningALYBennington6 hr
Jul 16, 10:24 PM EDTFlash Flood WarningALYWindham4 hr
Jul 17, 1:13 AM EDTFlash Flood WarningALYWindham4 hr

Nearby

Flash Flood Warnings in Vermont, 2000Every flash flood warning in 2000

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.