Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 68, NWS Burlington, VT

April 2, 1998Clinton County, Franklin County, New York

NWS Burlington, VT issued this flash flood warning at Apr 2, 1998, 3:28 AM EST for Clinton County, Franklin County, New York. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 2, 1998, 3:28 AM EST (08:28 UTC)
Expired
Apr 2, 1998, 3:30 PM EST
In force
12 hr
Issued by
NWS Burlington, VT
Area
Whole counties

Counties Clinton County, NY, Franklin County, NY

The radar

The Burlington radar (KCXX), 68 km from the middle of the area, began a volume at 08:28 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, 8.5 hours before the alert went out and 220 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 1998-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 1998-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
492 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Burlington, VT wrote its last area forecast discussion before this flash flood warning went out at Apr 2, 2:00 AM EST, 1 hour 28 minutes earlier.

Area forecast discussion, Apr 2, 2:00 AM EST, 1 hour 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
200 AM EST THU APR 2 1998

NEXT BATCH OF SHOWERS ACROSS WESTERN NEW YORK IN ASSOCIATION WITH
UPPER LOW. FOG IS SETTLING IN ACROSS AREA.

UPPER LOW AND SURFACE TROUGH TO MOVE ACROSS FORECAST AREA LATE
TODAY/TONIGHT. H5 TEMPERATURES TO -28. FAIRLY STEEP LAPSE RATES THIS
AFTERNOON AND EVENING. MAY BE SOME LOW TOPPED THUNDERSTORMS AND
PERHAPS SMALL HAIL.

FLOOD WATCHES REMAIN UP THROUGH THE DAY. MOST RIVERS FALLING OR HAVE
STABILIZED...BUT STILL IN FLOOD. RAIN TODAY MORE CONVECTIVE AND
SHOULD YIELD LOWER BASIN AVERAGES THAN ON WEDNESDAY. QPF THIS
FORECAST PERIOD SCATTERED 1/4 TO 3/4 OF AN INCH AND THIS SHOULD NOT
HAVE A SIGNIFICANT IMPACT ON RIVERS. I EXPECT THAT WORST OF FLOODING
HAS ALREADY OCCURRED...EXCEPT ALONG THE SHORES OF LAKE CHAMPLAIN.

UPPER LOW JUST EAST OF FORECAST AREA BY 06Z...BUT SURFACE TROUGH
SLOWLY PIVOTING THROUGH VERY LATE THURSDAY AND ON FRIDAY. SHOWERS
MAY BECOME SNOW SHOWERS IN HIGHER TERRAIN BY FRIDAY MORNING. COLD
AIR DEEPENS ON FRIDAY AND SO ANY SHOWERS IN HIGHER TERRAIN WILL BE
SNOW WITH RAIN OR SNOW SHOWERS ELSEWHERE.

FORECAST SUGGESTIONS...

TODAY...AREAS OF FOG EARLY THIS MORNING...OTHERWISE CLOUDS MIXING
WITH SOME SUNSHINE. BECOMING MOSTLY CLOUDY WITH SHOWERS AND A CHANCE
OF A THUNDERSTORM THIS AFTERNOON. HIGH 45 TO 50. SOUTHWEST WIND 5 TO
15 MPH.

TONIGHT...CLOUDY WITH SHOWERS. (SHOWERS MAY CHANGE TO SNOW SHOWERS
IN HIGHER TERRAIN LATE). LOW IN THE MID 30S (LOWER 30S HIGHER
TERRAIN). SOUTHWEST WIND BECOMING NORTH 5 TO 15 MPH (SOUTHWEST TO
WEST WIND 5 TO 15 MPH C AND S FA).

FRIDAY...MOSTLY CLOUDY WITH RAIN OR SNOW SHOWERS LIKELY (SNOW
SHOWERS HIGHER TERRAIN). HIGH 35 TO 40 (MID 30S HIGHER TERRAIN/40 TO
45 S VT).

DIGIORGI

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 3:28 AM ESTFlash Flood WarningBTVAddison, Caledonia, Chittenden, Lamoille, Orange, Washington12 hr
Apr 2, 3:28 AM ESTFlash Flood WarningBTVEssex, Orleans12 hr
Apr 2, 3:28 AM ESTFlash Flood WarningBTVRutland12 hr
Apr 2, 3:28 AM ESTFlash Flood WarningBTVFranklin12 hr
Apr 2, 3:28 AM ESTFlash Flood WarningBTVSt. Lawrence12 hr

Nearby

Flash Flood Warnings in New York, 1998Every flash flood warning in 1998

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.