Alert archive / New York / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Albany, NY

May 30, 1991Dutchess County, New York

NWS Albany, NY issued this severe thunderstorm warning at May 30, 1991, 4:55 PM EDT for Dutchess County, New York. It was in force for 50 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
May 30, 1991, 4:55 PM EDT (20:55 UTC)
Expired
May 30, 1991, 5:45 PM EDT
In force
50 min
Issued by
NWS Albany, NY
Area
Whole counties

County Dutchess County, NY

What was reported inside it

TimeReportWhereRemark
May 30, 5:15 PM EDTThunderstorm Wind 0Dutchess, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 8.9 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 1991-05-30Temperature 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 1991-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.19395878Sfc1 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
755 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
18 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 302056
SVRALB
NYC027-302145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
455 PM EDT THU MAY 30 1991
 
THE NATIONAL WEATHER SERVICE IN ALBANY NY  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTHEAST NEW YORK
 
   ...DUTCHESS COUNTY
 
NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM JUST
NORTHEAST OF NEWBURGH. THIS STORM WAS MOVING EAST AT
35 MPH...AND WILL PASS NEAR FISHFILL BY 505 PM...AND PASS NEAR OR
SOUTH OF PAWLING AROUND 545 PM. THIS STORM WILL DUMP TORRENTIAL
RAIN ON I-84 FOR MUCH OF THE NEXT 45 MINUTES.
 
IT HAS DAMAGING WINDS AND INTENSE CLOUD TO GROUND LIGHTNING.
 
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOUL1D NOT DRIVE INTO LOW WATER CROSSINGS.

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, May 30, 11:17 AM EDT, 5 hours 38 minutes before
NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP D
1116AM EDT THU MAY 30 1991
DJSO WLSR APTS
01186        FILE 28   JEFFERSON COSO NY0220000      MAY 30 91
TO           NATIONAL WEATHER SERVICE
                   THUNDERSTORM/HIGH WIND

LOCATION (INCLUDING TOWN AND NEAREST ROAD): VILLAGE OF ALEXANDRIA BAY
STRUCTI
DATE AND TIME CONDITION STARTED: 05-30-91 APPROX. 10:18 AM
EXTENT OF DAMAGE OR AREAS IN DANGER: STUMP RD WELLESLEY ISLAND
NO FIRE STRUCK BY LIGHTINING - MARKET STREET T.I. SUN OFFICE ALEX BAY
FULLY ENGULFED STRUCTURE FIRE

CHECK ONE:
HAIL SIZE REPORTED
( ) - NO HAIL REPORTED    ( ) - LESS THAN 1/2" (PEA)
( ) - 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:          NUMBER INJURED:

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

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:          NUMBER INJURED:

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:                                                     t

AUTH PHONE #:        -
AUTH SGT EDWARD M FLYNN             OTTMAN        11:15
Special weather statement, May 30, 1:30 PM EDT, 3 hours 25 minutes before
NYZ006>013-018>20-301900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
130 PM THU MAY 30 1991

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR EASTERN USPSTATE
NEW YORK SOUTH OF THE MOHAWK VALLEY...

  THE WATCH IS IN EFFECT UNTIL 700 PM THIS EVENING FOR THE LOWER HUDSON
VALLEY...THE CATSKILLS AND SUSQUEHANNA REGION. THE WATCH MEANS THE
POTENTIAL EXISTS FOR SEVERE THUNDERSTORMS WITH DAMAGING WINDS...LARGE
HAIL AND DANGEROUS LIGHTNING.

  SHOWERS WITH HEAVY DOWNPOURS WERE WIDESPREAD AND THUNDERSTORMS
WERE SCATTERED ACROSS THE ADIRONDACKS. SHOWERS WERE ALSO FROM FULTON TO
GREENE COUNY WITH THUNDERSTORMS IN THE UTICA AREA AND NEAR PORT JERVIS
IN SULLIVAN COUNTY. SHOWERS WILL MOVE ACROSS THE CHAPLAIN VALLEY...LAKE
GEORGE SARATOGA REGION AND CAPITAL DISTRICT OF NEW YORK BY 3PM.
THUNDERSTORMS WILL MOVE ACROSS SOUTH HERKIMER COUNTY AND ACROSS
ORANGE COUNTY BU 230 PM.

 BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND MOVE INDOORS
IF THREATENING WEATHER APPROACHES. STAY TUNED FOR LATER STATEMENTS AND
POSSIBLE WEATHER WATCHES OR WARNINGS.

SNYDER
Special weather statement, May 30, 3:12 PM EDT, 1 hour 43 minutes before
NYZ010-012>013-019-020-MAZ010-301940-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
310 PM EDT THU MAY 30 1991

THUNDERSTORMS WERE MOVING ACROSS THE EMPIRE STATE AT MID AFTERNOON.

THE THUNDERSTORMS THAT PRODUCED THE MAXIMUM RAINFALL WERE SOUTH OF
THE SUSQUEHANNA RIVER NEAR FRANKLIN...AND NEAR THE NEW YORK-PENNSYL-
VANIA BORDER IN DELAWARE COUNTY AND IN CENTRAL ULSTER COUNTY ABOUT
A DOZEN MILES SOUTHWEST OF KINGSTON AT 245 PM EDT.

THE THUNDERSTORMS NEAR THE PENNSYLVANIA BORDER WILL STRIKE THE ULSTER
/SULLIVAN COUNTY BORDER NEAR GRAHAMSVILLE AROUND HALF PAST THREE.
MILLBROOK WILL BE SUBJECT TO THE THUNDERSTORM THAT WAS IN ULSTER
COUNTY BETWEEN HALF PAST THREE AND QUARTER TO FOUR O CLOCK.

A WIDE AREA OF THUNDERSTORMS WAS SOAKING PLACES BETWEEN ESSEX AND
HAMILTON COUNTIES IN NEW YORK AND ADDISON COUNTY IN VERMONT SOUTH
TO THE CAPITAL DISTRICT AND OVER THE EASTERN MOHAWK VALLEY.

YET MORE THUNDERSTORMS WILL BE ARRIVING IN THE HUDSON VALLEY FROM THE
FINGER LAKES REGION DURING THE FOUR AND FIVE O CLOCK HOURS.
WHEN THE THUNDERSTORMS APPROACH SEEK COVER INDOORS.  MANY OF THE
THUNDERSTORMS CONTAIN A FANTASTIC AMOUNT OF LIGHTNING.  REMEMBER
THAT LIGHTNING IS A MAJOR KILLER.

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 700 PM EDT
IN THE CATSKILLS AND LOWER HUDSON VALLEY.

END
Special weather statement, May 30, 3:54 PM EDT, 1 hour 1 minute before
NYZ010-012>013-019-020-MAZ010-302015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
350 PM EDT THU MAY 30 1991

A THUNDERSTORM WITH PROLIFIC RAINFALL WAS POUNDING THE NORTHERN
TWO THIRDS OF FULTON COUNTY.

A LARGE MASS OF THUNDERSTORMS ALSO WET DOWN LAWNS IN THE CAPITAL
DISTRICT.  AND MUCH OF THE LAKE GEORGE/SARATOGA REGION WAS BEING
STRUCK BY THUNDERSTORMS.

ANOTHER THUNDERSTORM RUMBLED THROUGH THE AREA NEAR THE PENNSYLVANIA
BORDER FROM EXTREME NORTHEASTERN SUSQUEHANNA COUNTY...IN
PENNSYLVANIA...SOUTHEASTWARD TO SOUTHERN SULLIVAN COUNTY...ABOUT FIVE
MILES NORTHWEST OF MIDDLETOWN.

RESIDENTS IN AND AROUND NEWBURGH SHOULD PREPARE FOR THE ONSLAUGHT
OF A THUNDERSTORM BETWEEN 405 PM AND 420 PM.  IF YOU LIVE IN THE
NORTHEASTERN QUARTER OF SARATOGA COUNTY...THE RAIN WILL BECOME EVEN
HEAVIER AROUND 4 O/CLOCK.

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 7 O/CLOCK THIS
EVENING IN THE CATSKILLS AND LOWER HUDSON VALLEY.

THUNDERSTORMS IN THE WATCH AREA HAVE POTENTIAL TO BRING HAIL...
DAMAGING WIND...AND A LOT OF LIGHTNING.

END

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 4:04 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer41 min
May 30, 4:19 PM EDTSevere Thunderstorm WarningALYSullivan, Ulster41 min
May 30, 4:32 PM EDTSevere Thunderstorm WarningALYColumbia28 min
May 30, 5:07 PM EDTSevere Thunderstorm WarningALYOrange, Putnam68 min
May 30, 6:18 PM EDTSevere Thunderstorm WarningALYColumbia42 min
May 30, 7:28 PM EDTSevere Thunderstorm WarningALYDutchess47 min
May 30, 7:37 PM EDTSevere Thunderstorm WarningALYPutnam53 min

Nearby

Severe Thunderstorm Warnings in New York, 1991Every severe thunderstorm warning in 1991

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.