Alert archive / New York / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 21, NWS Albany, NY
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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 30, 5:15 PM EDT | Thunderstorm Wind 0 | Dutchess, 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.
- 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
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 11:15Special 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 AND 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 4:04 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Rensselaer | 41 min |
| May 30, 4:19 PM EDT | Severe Thunderstorm Warning | ALY | Sullivan, Ulster | 41 min |
| May 30, 4:32 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 28 min |
| May 30, 5:07 PM EDT | Severe Thunderstorm Warning | ALY | Orange, Putnam | 68 min |
| May 30, 6:18 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 42 min |
| May 30, 7:28 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 47 min |
| May 30, 7:37 PM EDT | Severe Thunderstorm Warning | ALY | Putnam | 53 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.