Alert archive / New York / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Binghamton, NY

May 1, 1991Steuben County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at May 1, 1991, 5:08 PM EDT for Steuben County, New York. It was in force for 67 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 1, 1991, 5:08 PM EDT (21:08 UTC)
Expired
May 1, 1991, 6:15 PM EDT
In force
67 min
Issued by
NWS Binghamton, NY
Area
Whole counties

County Steuben County, NY

What was reported inside it

TimeReportWhereRemark
May 1, 5:42 PM EDTThunderstorm Wind 0Steuben, 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.1 hours before the alert went out and 130 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, Buffalo Intl Airport, NY at 12:00Z on 1991-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 1991-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.1939587897117136Sfc1 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
1088 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
296 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 KBGM 012109
SVRBGM
NYC101-012215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BINGHAMTON NY
508 PM EDT WED MAY 1 1991
 
THE NATIONAL WEATHER SERVICE IN BINGHAMTON NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN CENTRAL NEW YORK
 
   ...STEUBEN COUNTY
 
RADAR AND SKYWARN SPOTTERS INDICATED A SEVERE THUNDERSTORM WAS JUST
ENTERING NORTHWEST STEUBEN COUNTY. THIS STORM PRODUCED VERY HIGH WINDS
IN THE DANSVILLE AREA IN LIVINGSTON COUNTY...AND IT SHOULD BE IN THE
VICINITY OF BATH BY 545 PM.
 
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.
 
MORFORD

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

Special weather statement, May 1, 2:30 PM EDT, 2 hours 38 minutes before
NYZ003-006-011945-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BINGHAMTON NY
230 PM EDT WED MAY 1 1991

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF WESTERN AND
CENTRAL NEW YORK INCLUDING THE FOLLOWINGS COUNTIES...BROOME...CHENANGO
...CORTLAND...TIOGA...TOMPKINS...CHEMUNG...SCHUYLER...AND STEUBEN...
UNTIL 700 PM EDT THIS EVENING...

A SEVERE THUNDERSTORM WATCH MEANS THAT SEVERE THUNDERSTORMS CONTAINING
DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE WITHIN AND CLOSE TO THE WATCH
AREA.  IF SEVERE THUNDERSTORMS OCCUR...WARNINGS WILL BE ISSUED.

ISOLATED LIGHT RAIN SHOWERS WERE OVER CENTRAL NEW YORK AND EASTERN LAKE
ONTARIO.  THE SHOWERS WERE FROM ABOUT 25 MILES WEST OF OSWEGO...TO THE
EXTREME WESTERN ADIRONDACKS.  THEY WERE MOVING NORTHEAST AT 35 MPH.

IF YOU LIVE IN OR CLOSE TO THE WATCH AREA...PAY CLOSE ATTENTION TO NOAA
WEATHER RADIO...OR LOCAL TV AND RADIO STATIONS FOR FURTHER STATEMENTS OR
POSSIBLE WARNINGS.
.
MORFORD
Local storm report, May 1, 3:28 PM EDT, 1 hour 40 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SYRACUSE NY
325 PM EDT WED MAY 1 1991

            ...INVESTIGATION OF THE APRIL 30 1991 STORM...

AN INVESTIGATION TODAY BY THE NATIONAL WEATHER SERVICE OFFICE IN
SYRACUSE OF STORM DAMAGE TO A BARN IN THE TOWN OF SENNETT SHOWED THAT
IT WAS TORNADIC IN ORIGIN.

AT APPROXIMATELY 5:20 PM ON TUESDAY APRIL 30TH...A FUNNEL CLOUD WAS
SIGHTED JUST WEST OF CHERRY STREET AND NORTH OF FRANKLIN ROAD IN THE
TOWN OF SENNETT.  THE FUNNEL UPROOTED ONE LARGE TREE ALONG THE SOUTHERN
EDGE OF A WOODED AREA BORDERED TO THE SOUTH BY A LARGE CORN FIELD.  THIS
FUNNEL CROSSED CHERRY STREET AND LEFT POWER LINES WHICH RUN NORTH-SOUTH
ALONG CHERRY STREET UNTOUCHED.  AFTER CROSSING CHERRY STREET THE FUNNEL
TOUCHED DOWN AND DEMOLISHED A 36 X 60 FOOT BARN ABOUT 100 YARDS TO THE
EAST OF CHERRY STREET.  THIS BARN WAS BUILT IN 1911.  A SMALL PATH OF
ROTTED CORN STALKS WERE NOTICED ALONG THE GROUND FROM JUST EAST OF
CHERRY STREET TO THE BARN.  DEBRIS FROM THE BARN WAS MOST EVIDENT TO THE
WEST...SOUTH AND EAST OF THE BARN.

DAMAGE PATH LENGTH.....100 YARDS
            WIDTH......25 YARDS
            STRENGTH...F1 (73 TO 112 MPH)
DIRECTION OF MOVEMENT..EASTERLY
INJURIES...<............NONE

END/WALLINGFORD
Special weather statement, May 1, 3:28 PM EDT, 1 hour 40 minutes before
NYZ003-006-012045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BINGHAMTON NY
330 PM EDT WED MAY 1 1991

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF WESTERN AND
CENTRAL NEW YORK UNTIL 700 PM EDT THIS EVENING...

ISOLATED SHOWERS AND THUNDERSTORMS WERE OVER A LARGE AREA OF NEW YORK.
THEY STRETCHED FROM BETWEEN ROCHESTER AND BUFFALO...NORTHEAST ACROSS THE
EASTERN HALF OF LAKE ONTARIO...TO THE CENTRAL ADIRONDACKS EAST OF OLD
FORGE.  THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT AROUND
50 MILES AN HOUR.

A SEVERE THUNDERSTORM WATCH MEANS THAT SEVERE THUNDERSTORMS CONTAINING
DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE WITHIN AND CLOSE TO THE WATCH
ARiEA.  IF SEVERE THUNDERSTORMS OCCUR...WARNINGS WILL BE ISSUED.

IF YOU LIVE IN THE WATCH AREA...LISTEN TO NOAA WEATHER RADIO...OR LOCAL
TELEVISION AND RADIO STATIONS FOR FURTHER STATEMENTS OR POSSIBLE
WARNINGS.
.
MORFORD
Special weather statement, May 1, 3:51 PM EDT, 1 hour 17 minutes before
PAZ007-012200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILKES-BARRE SCRANTON PA
350 PM EDT WED MAY 1 1991

...SEVERE THUNDERSTORM WATCH CONTINUES FOR SUSQUEHANNA COUNTY...

THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER FOR MUCH OF WESTERN
AND NORTHERN PENNSYLVANIA REMAINS IN EFFECT UNTIL 7 PM EDT.  IN
NORTHEASTERN PENNSYLVANIA...THE ONLY COUNTY AFFECTED AT THIS TIME
IS SUSQUEHANNA.

AT 345 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
SHOWERS AND STRONG THUNDERSTORMS OVER WESTERN PENNSYLVANIA.  THIS
LINE EXTENDED FROM WEST OF BRADFORD TO JUST EAST OF PITTSBURGH.
THIS ACTIVITY CONTINUED TO MOVE EASTWARD AT ABOUT 40 MPH.  AT
CURRENT RATE OF SPEED AND DIRECTION OF MOVEMENT...THUNDERSTORMS
SHOULD BEGIN TO MOVE INTO NORTHEASTERN PENNSYLVANIA BETWEEN 6 PM
AND 8 PM EDT.
IF YOU LIVE IN SUSQUEHANNA COUNTY OR IN AREAS NEARBY...AND YOU
SEE THREATENING WEATHER APPROACHING...SEEK SHELTER IMMEDIATELY.

THE NEXT STATEMENT WHILL BE ISSUED BY 600 PM EDT...OR SOONER IF
NEEDED.

JUREWICZ/WSO WILKES-BARRE SCRANTON
Special weather statement, May 1, 4:02 PM EDT, 1 hour 6 minutes before
NYZ004-005-302330-

SPECIAL WEATHER STATEMENT - THUNDERSTORMS
NATIONAL WEATHER SERVICE SYRACUSE NY
400 PM EDT TUE APR 30 1991

...SEVERE THUNDERSTORM WATCH UNTIL 7 PM EDT FOR CENTRAL NEW YORK...

AT 400 PM EDT...WEATHER SERVICE RADAR SHOWED A LINE OF STRONG
THUNDERSTORMS JUST TO THE WEST OF THE CITY OF ROCHESTER.  THESE STORMS
WERE MOVING TO THE NORTHEAST AT 50 MPH AND WILL LIKELY MOVE INTO THE
SYRACUSE AREA BETWEEN 5 AND 6 PM.  THESE STORMS HAVE ALREADY CAUSED
SOME DAMAGE OVER THE WESTERN PART OF THE STATE WITH WINDS AS HIGH
AS 85 MPH BEING REPORTED AT ABOUT 330 PM IN SOUTH WARSAW IN WYOMING
COUNTY.  AT 350 PM WINDS GUSTED TO 64 MPH IN ROCHESTER.

THESE STORMS WILL LIKELY CONTAIN STRONG GUoSTY WINDS...HEAVY RAINS...
DANGEROUS LIGHTNING AND POSSIBLE HAIL.  PEOPLE ARE URGED TO SEEK SHELTER
IF THREATENING WEATHER APPROACHES AND STAY TUNED TO NOAA WEATHER RADIO
FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
WALLINGFORD
Special weather statement, May 1, 5:05 PM EDT, 3 minutes before
PAZ007-008-010-016-012300

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILKES-BARRE SCRANTON PA
500 PM EDT WED MAY 1 1991

...SEVERE THUNDERSTORM WATCH FOR ALL OF NORTHEASTERN
PENNSYLVANIA...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WATCH FOR MUCH OF NORTHERN PENNSYLVANIA UNTIL 11 PM EDT.  THIS
WATCH INCLUDES THE FOLLOWING COUNTIES IN NORTHEASTERN PENNSYLVANIA
...COLUMBIA...LACKAWANNA...LUZERNE...SUSQUEHANNA...WAYNE...AND
WYOMING.

THE THREAT OF SEVERE THUNDERSTORMS WITH STRONG DAMAGING WINDS...
LARGE HAIL...AND DANGEROUS LIGHTNING WILL EXIST IN AND CLOSE TO THE
WATCH AREA UNTIL 11 PM EDT.

AT 450 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
SHOWERS AND EMBEDDED STRONG THUNDERSTORMS MOVING INTO THE CENTRAL
MOUNTAINS OF THE STATE.  THIS LINE EXTENDED FROM NEAR LOCK HAVEN
TO SOUTH OF ALTOONA.  THIS ACTIVITY WAS MOVING RAPIDLY EASTWARD
AT 40 TO 50 MPH.  AT CURRENT DIRECTION OF MOVEMENT AND RATE OF
SPEED...THUNDERSTORMS MAY BEGIN TO MOVE INTO NORTHEASTERN
PENNSYLVANIA BETWEEN 5 PM AND 7 PM EDT.

IF YOU SEE THREATENING WEATHER APPROACHING...SEEK SHELTER AT ONCE.

THE NEXT STATEMENT WILL BE ISSUED BY 7 PM EDT...OR SOONER IF
NEEDED.

JUREWICZ/WSO WILKES-BARRE SCRANTON

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 3:33 PM EDTSevere Thunderstorm WarningBGMLivingston, Monroe57 min
May 1, 3:57 PM EDTSevere Thunderstorm WarningBGMOntario, Wayne, Yates63 min
May 1, 4:07 PM EDTSevere Thunderstorm WarningBGMSteuben68 min
May 1, 4:21 PM EDTSevere Thunderstorm WarningBGMSeneca54 min
May 1, 4:24 PM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Tompkins66 min
May 1, 4:32 PM EDTSevere Thunderstorm WarningBGMCortland, Tioga58 min
May 1, 5:24 PM EDTSevere Thunderstorm WarningBGMBroome, Cortland, Tioga66 min
May 1, 5:33 PM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Tompkins57 min
May 1, 6:21 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango69 min
May 1, 6:46 PM EDTSevere Thunderstorm WarningBGMDelaware, Otsego59 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.