Alert archive / Vermont / Flash Flood Warnings in 1990

Flash Flood Warning 3, NWS Burlington, VT

January 26, 1990Windsor County, Vermont

NWS Burlington, VT issued this flash flood warning at Jan 26, 1990, 5:50 PM EST for Windsor County, Vermont. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jan 26, 1990, 5:50 PM EST (22:50 UTC)
Expired
Jan 26, 1990, 8:00 PM EST
In force
2 hr
Issued by
NWS Burlington, VT
Area
Whole counties

County Windsor County, VT

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 10.8 hours before the alert went out and 141 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 12:00Z on 1990-01-26Temperature 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 12:00Z on 1990-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -259 square meters per square second.1939587897117136156Sfc1 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
662 m above ground
0-6 km bulk shear
129 kt
0-1 km storm-relative helicity
-259 m²/s²
0-3 km storm-relative helicity
152 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 
TTAA00 KBTV 262328 RRA
FFWBTV
VTC027-270100-

BULLETIN -
FLOOD WARNING...CORRECTION
NATIONAL WEATHER SERVICE ALBANY, NY
550 PM EST FRI JAN 26 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING
EFFECTIVE UNTIL 800 PM EST F

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 6:32 AM ESTFlash Flood WarningBTVBennington, Rutland6 hr
Jan 26, 12:35 PM ESTFlash Flood WarningBTVWindham3 hr

Nearby

Flash Flood Warnings in Vermont, 1990Every flash flood warning in 1990

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.