Alert archive / New York / Flash Flood Warnings in 1998

Flash Flood Warning 61, NWS Burlington, VT

April 1, 1998Essex County, New York

NWS Burlington, VT issued this flash flood warning at Apr 1, 1998, 10:22 AM EST for Essex County, New York. It was in force for 5 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 1, 1998, 10:22 AM EST (15:22 UTC)
Expired: Apr 1, 1998, 3:30 PM EST
In force: 5 hr
Issued by: NWS Burlington, VT
Area: Whole counties

County Essex County, NY

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 3.4 hours before the alert went out and 282 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: 3 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 491 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 48 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 011522
FFWBTV
NYC031-VTC013-012030-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
1022 AM EST WED APR 1 1998
 
THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  330 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH NEW YORK
 
   ...ESSEX COUNTY
 
 
IN NORTHWEST VERMONT
 
   ...GRAND ISLE COUNTY
 
THE LEVEL OF LAKE CHAMPLAIN AT ROUSES POINT WAS AT 100.61 FEET AT 1000
AM. LAKESHORE FLOODING BEGINS AT 100 FEET WITH MORE SIGNIFICANT FLOODING
AT 101 FEET. THE LAKE WILL EXCEED THE 101 FOOT LEVEL THURSDAY MORNING
AND MAY APPROACH THE 102 FOOT LEVEL OVER THE WEEKEND.
 
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. YOU SHOULD MOVE TO HIGHER GROUND.
 
MCGILL

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 1, 9:32 AM EST, 50 minutes earlier.

Area forecast discussion, Apr 1, 9:32 AM EST, 50 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
932 AM EST WED APR 1 1998

TRIPLE POINT NR PEO AT 13Z.  NARROW BAND OF SHWRS JUST GETTING TO
ROC ATTM.  THIS BAND WL SWEEP ACRS THE FA WITH ABT .25-.50.  ANY
PCPN WL NOT HELP FLD SITN.

MR PCPN WL OCCUR TNT INTO THU AS OCCLD LOW MVS CLSR TO FA.  CUD SEE
ANTHR .25-.50.  LCL AMTS THRU THU CUD APPROACH AN INCH.  ALL THIS
MEANS THE FLOODING WL CONT THRU THE END OF THE WEEK.

PLENTY OF THIN SPOTS SHWG UP IN VSB PIX.  CUD MNTN A PEEK OR TWO OF
SUN.

FNT WONT MK IT UP INTO FA TDY BUT ANY SUN SHUD HELP TEMPS JUMP A
BIT.  CUD BUMP UP TEMPS A BIT DUE TO SOLAR EFFECTS.

MCGILL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 3:32 AM EST	Flash Flood Warning	BTV	Clinton, Franklin	12 hr
Apr 1, 3:32 AM EST	Flash Flood Warning	BTV	St. Lawrence	12 hr
Apr 1, 3:20 PM EST	Flash Flood Warning	BTV	Clinton, Essex, Franklin, St. Lawrence	12 hr

Nearby

Flash Flood Warnings in New York, 1998 Every 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.