Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 18, NWS Boston/Norton, MA

October 19, 1990Dukes County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Oct 19, 1990, 12:44 AM EDT for Dukes County, Massachusetts. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Oct 19, 1990, 12:44 AM EDT (04:44 UTC)
Expired
Oct 19, 1990, 1:45 AM EDT
In force
61 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Dukes County, MA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 4.7 hours before the alert went out and 68 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, Chatham, MA at 00:00Z on 1990-10-19Temperature 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, Chatham, MA at 00:00Z on 1990-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
1118 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Oct 18, 8:08 PM EDT, 4 hours 36 minutes before
CTZALL-MAZ005-190300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
806 PM EDT THU OCT 18 1990

A HIGH WIND WARNING HAS BEEN ISSUED FOR CONNECTICUT AS WELL AS ALL
OF SOUTHERN NEW ENGLAND.

GUSTY SOUTH WINDS BETWEEN 25 AND 40 MILES AN HOUR IN NEW ENGLAND THIS
EVENING WILL INCREASE TO BETWWEN 40 AND 50 MILE AN HOUR.  IN THE
CONNECTICUT RIVER VALLEY AND THE HIGHEST TERRIAN OF THE NORTHWEST HILLS
SHOULD EXPERIENCE AN HOUR OR 2 OF GUSTY WINDS BETWEEN 55 AND 60 MILE
AN HOUR.

A COMPLEX OF THUNDERSTORMS RACING NORTHEAST FROM EASTERN PENNSYLVANIA
AND MARYLAND WILL MOVE INTO WESTERN CONNECTICUT BETWEEN 8 AND 10 PM.

THE POTENTIAL FOR DAMAGING SOUTHWEST WINDS WILL BE STRONGEST NEAR ANY
THUNDERSTORMS THAT MAY OCCUR EARLY TONIGHT.
.
THESE STRONG WINDS COULD EASILY PRESENT PROBLEMS TO TRAVELERS.  THE
HIGHER PROFILE VEHICLES SUCH AS CAMPERS AND ESPECIALLY TRACTOR-TRAILERS
WILL NEED TO EXCERCISE THE GREATEST CAUTION.  THE WINDS SHOULD ALSO BE
STRONG ENOUGH TO DOWN SMALL TREE LIMBS OR BRANCHES CAUSING SOME POWER
OUTAGES.

WINDS WILL DIMINISH RAPIDLY AFTER A WIND SHIFT TO THE WEST BEGINNING
AROUND MIDNIGHT.

WBK
Special weather statement, Oct 18, 9:10 PM EDT, 3 hours 34 minutes before
MAZALL-190200-

SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS
NATIONAL WEATHER SERVICE BOSTON MA
850 PM EDT THU OCT 18 1990

A HIGH WIND WARNING CONTINUES IN EFFECT FOR ALL OF SOUTHERN NEW
ENGLAND EARLY TONIGHT.

WINDS BETWEEN 50 AND 60 MPH HAVE OCCURRED THIS EVENING FROM EASTERN
NEW YORK STATE THROUGH PARTS OF EASTERN PENNSYLVANIA.  SOME TREE
DAMAGE AND POWER LINE DAMAGE HAS BEEN REPORTED IN SECTIONS OF
SOUTHEASTERN NEW YORK.  IN ADDITION BRIEF VERY HEAVY RAINS HAVE ALSO
BEEN REPORTED WITH UP TO AN INCH FALLING IN LESS THAN AN HOUR.  THIS
HAS RESULTED IN SOME LOCALIZED URBAN FLOODING IN SOME LOCATIONS.

GUSTY SOUTH WINDS BETWEEN 25 AND 40 MPH IN NEW ENGLAND WILL INCREASE
TO BETWEEN 40 AND 50 MPH JUST IN ADVANCE OF THE LINE OF SHOWERS AND
THUNDERSTORMS THAT MOVED THROUGH BERKSHIRE COUNTY BETWEEN 840 AND 900
PM.  A FEW GUSTS IN EXCESS OF 50 MPH COULD BE EXPERIENCED AND SOME
TREE DAMAGE AND EVEN POWER LINE DAMAGE COULD RESULT.

THE STRONG WINDS AND HEAVY RAINS SHOULD MOVE THROUGH THE CONNECTICUT
VALLEY BY 10 PM THEN TROUGH CENTRAL MASSACHUSETTS BETWEEN 10 AND 11 PM
THEN ACROSS EASTERN SECTIONS OF THE STATE BETWEEN 11 PM AND MIDNIGHT
AND BE OFF THE COAST BY 1 AM.

CAUTION IS ADVIISED FOR ALL PEOPLE TRAVELING IN HIGH PROFILE VEHICLES
OR WALKING ABOUT TONIGHT.

WINDS WILL DIMINISH RAPIDLY AFTER A WIND SHIFT TO WEST BEGINNING IN
WESTERN MASSACHUSETTS SHORTLY AND IN EASTERN MASSACHUSETTS AFTER
MIDNIGHT.

WYLLIE
Special weather statement, Oct 18, 10:22 PM EDT, 2 hours 22 minutes before
RIZALL-190400-

SPECIAL WEATHER STATEMENT FOR RHODE ISLAND
NATIONAL WEATHER SERVICE PROVIDENCE RI
1020 PM EDT THU OCT 18 1990

...THUNDERSTORMS ARE HEADING FOR RHODE ISLAND...

...A HIGH WIND WARNING CONTINUES FOR ALL OF RHODE ISLAND...

AT 1000 PM...WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS...SOME
SEVERE...ACROSS CENTRAL MASSACHUSETTS AND CONNECTICUT.  THESE STORMS HAVE
BEEN ACCOMPANIED BY VERY STRONG DAMAGING WINDS.  THUNDERSTORMS WHICH
MOVED THROUGH HARTFORD PRODUCED A WIND GUST TO 72 MPH.

THESE STORMS WERE MOVING EAST AT 45 MPH...AND THUNDERSTORMS WITH DAMAGING
WINDS MAY BEGIN TO AFFECT WESTERN RHODE ISLAND BY 1100 PM.  IF SEVERE
THUNDERSTORMS BECOME IMMINENT FOR THE OCEAN STATE OR ACTUALLY OCCUR...
WARNINGS WILL BE ISSUED.

RESIDENTS OF RHODE ISLAND SHOULD STAY ALERT FOR POSSIBLE DAMAGING WINDS
IN ANY THUNDERSTORMS.  STAY TUNED TO NOAA WEATHER RADIO FOR LATER
STATEMENTS OR POSSIBLE WARNINGS.

A HIGH WIND WARNING CONTINUES FOR ALL OF RHODE ISLAND FOR WIND GUSTS
BETWEEN 40 AND 50 MPH IN ADVANCE OF A COLD FRONT MOVING ACROSS WESTERN
NEW ENGLAND.

CADIMA
Special weather statement, Oct 18, 11:19 PM EDT, 1 hour 25 minutes before
MAZ004-190415-

SPECIAL WEATHER STATEMENT FOR CENTRAL MASSACHUSETTS
NATIONAL WEATHER SERVICE WORCESTER MA
1115 PM EDT THU OCT 18 1990]

THE SEVERE THUNDERSTORM WARNING FOR WORCESTER COUNTY EXPIRED AT 1045
PM. WIND GUSTS TO 59 MPH OCCURRED AT THE WORCESTER AIRPORT ALONG WITH
HEAVY RAIN.

ALTHOUGH THE THREAT OF SEVERE THUNDERSTORMS HAS ENDED..THUNDERSTORMS
WITH HEAVY RAIN WERE STILL RUMBLING AROUND IN CENTRAL MASSACHUSETTS
...CAUSING FLOODED ROADS AND DIFFICULT DRIVING CONDITIONS.

MOTORISTS ARE ADVISED TO USE CAUTION AND NOT ATTEMPT TO DRIVE
THROUGH FLOODED ROADS...THE WATER MAY BE DEEPER THAN YOU THINK.

CONDITIONS SHOULD GRADUALLY IMPROVE FROM WEST TO EAST DURING THE
FEW HOURS.
KEHIR

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 18, 9:05 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire55 min
Oct 18, 9:45 PM EDTSevere Thunderstorm WarningBOXWorcester60 min
Oct 18, 10:41 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Norfolk64 min
Oct 18, 11:43 PM EDTSevere Thunderstorm WarningBOXEssex, Suffolk62 min
Oct 18, 11:43 PM EDTSevere Thunderstorm WarningBOXNorfolk62 min
Oct 19, 12:44 AM EDTSevere Thunderstorm WarningBOXBristol, Plymouth61 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1990Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.