Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 56, NWS Albany, NY

July 18, 1997Washington County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 18, 1997, 5:48 PM EDT for Washington County, New York. It was in force for 57 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: Jul 18, 1997, 5:48 PM EDT (21:48 UTC)
Expired: Jul 18, 1997, 6:45 PM EDT
In force: 57 min
Issued by: NWS Albany, NY
Area: Whole counties

County Washington County, NY

What was reported inside it

Time	Report	Where	Remark
Jul 18, 5:58 PM EDT	Thunderstorm Wind	Argyle, NY

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 18, 3:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.8 hours before the alert went out and 77 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: 964 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 788 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KALB 182149 RRA
SVRALB
NYC115-182245-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
548 PM EDT FRI JUL 18 1997
 
THE NATIONAL WEATHER SERVICE IN ALBANY NY  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH NEW YORK
 
   ...WASHINGTON COUNTY
 
AT 545 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO
WASHINGTON COUNTY. THE SEVERE STORM WILL REACH KINGSBURY AT 550 PM...AND
REACH BETWEEN FORT ANN AND HARTFORD AT 605PM AND REACH HEBRON AT 615 PM.
THIS STORM HAS HAD A HISTORY OF PRODUCING DAMAGING WINDS INCLUDING
DOWNING TREES AND POWERLINES.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK ^SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
 
 
&

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, Jul 18, 3:18 PM EDT, 2 hours 30 minutes before

NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP A
0321PM     FRI JUL 18 1997
ASOC WLSR QHQT QTRF APTS WAPT
10380    FILE 28   CATTARAUGUS CO SO  NY0040000              JUL 18-97
TO       NATIONAL WEATHER SERVICE
         COPY SEMO DUTY OFFICER
                   THUNDERSTORM/HIGH WIND REPORT

COUNTY(S) AFFECTED: CATTARAUGUS

LOCATION (INCLUDING TOWN AND NEAREST ROAD): TOWN OF DAYTON, TOWN OF OTTO, TOWN
OF CARROLLTON RT 17 AREA, HINSDALE,ALLEGANY,OLEAN
DATE AND TIME CONDITION STARTED: 1445
EXTENT OF DAMAGE OR AREAS IN DANGER: TREES DOWN IN THE ABOVE AREAS HIGH WIND
AND HAIL

CHECK ONE:
HAIL SIZE REPORTED
( ) - NO HAIL REPORTED    (X) - LESS THAN 1/2" (PEA)
(X) - 1/2" (MARBLE)       (X) - 1/2" TO 3/4" (PENNY)
(X) - 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  ( ) - CLOUD TO GROUND
LIGHTNING DAMAGE TO:            (X) - 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
(X) - SMALL TREES/SHRUBS  (X) - LARGE TREES
( ) - COMM. BUILDINGS     ( ) - PRIVATE HOMES
( ) - OUT/FARM BUILDINGS  (X) - POWER/TELCO POLES
(X) - 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: WIDE SPREAD DAMAGE THROUGHOUT THE COUNTY

AUTH PHONE #: 716 938-9191

AUTH BUCHHARDT,LT           MCVAUGH     1520

OPER - MCVAUGH, TIMOTHY               1520

Local storm report, Jul 18, 5:26 PM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
526 PM EDT FRI JUL 18 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0500 PM    SPECULATOR                NY   WIND DAMAGE
07/18/97   HAMILTON                       TREES AND POWER LINES DOWN

0500 PM    WELLS                     NY   WIND DAMAGE
07/18/97   HAMILTON                       TREES AND POWER LINES DOWN

0500 PM    LAKE PLEASANT             NY   WIND DAMAGE
07/18/97   HAMILTON                       TREES AND POWER LINES DOWN

HWJIV

Local storm report, Jul 18, 5:27 PM EDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
526 PM EDT FRI JUL 18 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0500 PM    SPECULATOR                NY   WIND DAMAGE
07/18/97   HAMILTON                       TREES AND POWER LINES DOWN

0500 PM    WELLS                     NY   WIND DAMAGE
07/18/97   HAMILTON                       TREES AND POWER LINES DOWN

0500 PM <   LAKE PLEASANT             NY   WIND DAMAGE
07/18/97   HAMILTON                       TREES AND POWER LINES DOWN

HWJIV

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 18, 3:39 PM EDT	Severe Thunderstorm Warning	ALY	Hamilton, Herkimer	96 min
Jul 18, 5:08 PM EDT	Severe Thunderstorm Warning	ALY	Warren	67 min

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.