Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 75, NWS Albany, NY

November 4, 1997Dutchess County, New York

NWS Albany, NY issued this severe thunderstorm warning at Nov 4, 1997, 12:16 PM EST for Dutchess County, New York. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Nov 4, 1997, 12:16 PM EST (17:16 UTC)
Expired: Nov 4, 1997, 1:00 PM EST
In force: 44 min
Issued by: NWS Albany, NY
Area: Whole counties

County Dutchess County, NY

The radar

The Albany radar (KENX), 95 km from the middle of the area, began a volume at 17:18 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.

What was reported inside it

Time	Report	Where	Remark
Nov 4, 12:40 PM EST	Hail 0.75	Pleasant Vly, NY	During the afternoon of November 4, a line of showers and embedded thunderstorms crossed eastern New York. Small hail was reported with many of these storms. At Pleasant Valley in Dutchess County, three quarter inch hail was observed.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.3 hours before the alert went out and 103 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: 69 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 558 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 233 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 KALB 041719 RRA
SVRALB
NYC027-041800-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
1216 PM EST TUE NOV 4 1997
 
THE NATIONAL WEATHER SERVICE IN ALBANY NY  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NEW YORK
 
   ...DUTCHESS COUNTY
 
AT 1215 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A LINE
OF SEVERE THUNDERSTORMS ALONG AND JUST EAST OF THE HUDSON RIVER.
THESE SEVERE THUNDERSTORMS WILL CONTINUE TO DROP LARGE AND DAMAGING HAIL
AS IT MOVES ACROSS DUTCHESS COUNTY. THESE STORMS WILL AFFECT THE
COMMUNTIES OF MILLBROOK...MILLERTON AND RED HOOK.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

What forecasters said that day

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

In the hours before

Local storm report, Nov 4, 12:06 PM EST, 10 minutes before

NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP F
1204PM     TUE NOV 04 1997
FNWD WLSR QHQT QTRF APTS WAPT
03245    FILE 28   PD TOWN OF NEW WINDSOR NY0356700          NOV 04-97
TO       NATIONAL WEATHER SERVICE
         COPY SEMO DUTY OFFICER
                   THUNDERSTORM/HIGH WIND REPORT

COUNTY(S) AFFECTED: ORANGE COUNTY, NEW YORK

LOCATION (INCLUDING TOWN AND NEAREST ROAD):
ALL AREAS IN NEW WINDSOR, NEW YORK 12553
DATE AND TIME CONDITION STARTED: NOVEMBER 4,1997
EXTENT OF DAMAGE OR AREAS IN DANGER: NONE REPORTED

CHECK ONE:
HAIL SIZE REPORTED
( ) - NO HAIL REPORTED    ( ) - LESS THAN 1/2" (PEA)
(X) - 1/2" (MARBLE)       ( ) - 1/2" TO 3/4" (PENNY)
( ) - 3/4" TO 1" (DIME)   ( ) - 1.25" (HALF DOLLAR)
( ) - 1.50" (WALNUT)      ( ) - 1.75" (GOLFBALL)
( ) - 2.00" (HENS EGG)    ( ) - 2.50" (TENNISBALL)
( ) - 2.75" (BASEBALL)    ( ) - 3.00" (TEA CUP)
( ) - 4.00" (GRAPEFRUIT)  ( ) - 4.50" (SOFTBALL)
NUMBER KILLED:    0     NUMBER INJURED:  0

CHECK ONE OR MORE AS APPLICABLE:
LIGHTNING REPORTED AS ( ) - CLOUD TO CLOUD  (X) - CLOUD TO GROUND
LIGHTNING DAMAGE TO:            ( ) - TREES
( ) - POWER/TELCO POLES   ( ) - POWER/TELCO LINES
( ) - COMM. BUILDINGS     ( ) - PRIVATE HOMES
( ) - OUT/FARM BUILDINGS  ( ) - CROPS
NUMBER KILLED:    0     NUMBER INJURED:   0

CHECK ONE OR MORE AS APPLICABLE:
HIGH WIND/T'STORM WIND DAMAGE   ( ) - CROPS
( ) - SMALL TREES/SHRUBS  ( ) - LARGE TREES
( ) - COMM. BUILDINGS     ( ) - PRIVATE HOMES
( ) - OUT/FARM BUILDINGS  ( ) - POWER/TELCO POLES
( ) - POWER/TELCO LINES

RELIABLE WIND SPEED REPORTS:     MPH OR    KNOTS
NUMBER KILLED:  0       NUMBER INJURED:  0

FLOODING (IF EXTENSIVE, SEND SEPARATE FLOOD MESSAGE FROM MENU)
( ) - STORM SEWER OVERFLOWS, UNDERPASSES, STREET FLOODING
( ) - LOCAL SMALL CREEKS OVERFLOWING
( ) - STREAMS AND LARGE CREEKS FLOODING (COMPLETE REMARKS W/DAMAGE

REMARKS: HEAVY RAINS AND HAIL EXPERIENCED IN THE ENTIRE AREA OF
NEW WINDSOR, NY  12553

AUTH PHONE #: 914 565-7000

AUTH CHIEF WALTER KOURY               SENT/WOOD  12 03 HRS

OPER - BEDETTI,STEPHEN                1203

Nearby

Severe Thunderstorm Warnings in New York, 1997 Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.