Alert archive / Vermont / Flash Flood Warnings in 1990

Flash Flood Warning 11, NWS Burlington, VT

February 23, 1990Windsor County, Vermont

NWS Burlington, VT issued this flash flood warning at Feb 23, 1990, 4:39 PM EST for Windsor County, Vermont. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 23, 1990, 4:39 PM EST (21:39 UTC)
Expired
Feb 23, 1990, 8:00 PM EST
In force
3 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, 9.7 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 1990-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 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 1990-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -147 square meters per square second.1939587897117136Sfc1 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
10 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
98 kt
0-1 km storm-relative helicity
-147 m²/s²
0-3 km storm-relative helicity
-70 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 232142
FFWBTV
VTC027-240100-

BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
439 PM EST FRI FEB 23 1990

THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 800 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...

IN SOUTHEAST VERMONT
          ...NORTHEAST WINDSOR

THE WHITE RIVER NEAR HARTFORD HAS A ICE JAM THAT IS THREATENING A BRIDGE
ON ROUTE 14. THE ICE JAM HAS PUT SERIOUS STRESS ON THE BRIDGE. WATER
WAS RISING RAPIDLY BEHID THE ICE JAM.



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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
$$
END...GRADY

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.

In the hours before

Special weather statement, Feb 23, 11:15 AM EST, 5 hours 24 minutes before
VTZALL-NYZ011-232100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
1115 AM EST FRI FEB 23 1990

A WINTER STORM WATCH IS CONTINUED FOR ALL OF VERMONT AND CLINTON COUNTY
NEW YORK FOR TONIGHT AND SATURDAY.

AFTER THE MILD WEATHER OF THE PAST FEW DAYS...WINTER CONDITIONS HAVE
RETURNED TO VERMONT. THIS AFTERNOON WE CAN EXPECT SOME LIGHT SNOW...
WITH MORE SIGNIFICANT SNOW POSSIBLE TONIGHT.

A STORM SYSTEM IS EXPECTED TO DEVELOP OFF NEW JERSEY TONIGHT AND
STRENGTHEN AS IS IT MOVES NORTHEAST. COLD AIR WILL SPILL INTO NEW
ENGLAND RESULTING IN SNOW TONIGHT AND SATURDAY. AT THE PRESENT TIME...
THIS STORM HAS THE PONTENTIAL FOR 6 INCHES OR MORE OVERNIGHT AND
SATURDAY. SNOW AMOUNTS WILL DEPEND ON THE EXACT TRACK OF THE STORM.

IF YOU PLAN TO TRAVEL TONIGHT OR SATURDAY...LISTEN TO NOAA WEATHER RADIO
...LOCAL RADIO OR TV STATIONS FOR THE LATEST NATIONAL WEATHER SERVICE

FORECASTS OR WARNINGS.

THE NEXT STATEMENT WIL BE ISSURED BY 4 PM.

HOGAN
Special weather statement, Feb 23, 3:40 PM EST, 59 minutes before
VTZALL-NYZ011-232100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
340 PM EST FRI FEB 23 1990

THE WINTER STORM WATCH FOR VERMONT AND NORTHEAST NEW YORK HAS BEEN
CANCELLED.

SNOW HAS BEGUN TO FALL OVER SECTIONS OF NORTHERN VERMONT AND NORTHERN
NEW YORK THIS AFTERNOON. THE SNOW WILL SPREAD ACROSS ALL OF THE STATE BY
LATER THIS EVENING. TOTAL ACCUMULATIONS OF 1 TO 3 INCHES ARE LIKELY IN
THE CHAMPLAIN VALLEY WITH 2 TO 4 INCHES ELSEWHERE IN VERMONT.

SNOW WILL TAPER OFF EARLY SATURDAY BEFORE MORE SNOW ENTERS THE STATE ON
SATURDAY NIGHT AND SUNDAY. ALONG WITH THE SNOW...STRONG NORTH WINDS WILL
USHER IN MUCH COLDER AIR ON SUNDAY.

END...AS
FORECASTS OR WARNINGS.

THE NEXT STATEMENT WIL BE ISSUED BY 4 PM.

HOGAN
Special weather statement, Feb 23, 3:41 PM EST, 58 minutes before
VTZALL-NYZ011-232100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
340 PM EST FRI FEB 23 1990

THE WINTER STORM WATCH FOR VERMONT AND NORTHEAST NEW YORK HAS BEEN
CANCELLED.

SNOW HAS BEGUN TO FALL OVER SECTIONS OF NORTHERN VERMONT AND NORTHERN
NEW YORK THIS AFTERNOON. THE SNOW WILL SPREAD ACROSS ALL OF THE STATE BY
LATER THIS EVENING. TOTAL ACCUMULATIONS OF 1 TO 3 INCHES ARE LIKELY IN
THE CHAMPLAIN VALLEY WITH 2 TO 4 INCHES ELSEWHERE IN VERMONT.

SNOW WILL TAPER OFF EARLY SATURDAY BEFORE MORE SNOW ENTERS THE STATE ON
SATURDAY NIGHT AND SUNDAY. ALONG WITH THE SNOW...STRONG NORTH WINDS WILL
USHER IN MUCH COLDER AIR ON SUNDAY.

END...AS

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.