Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 12, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Oct 18, 1990, 10:41 PM EDT for Middlesex County, Norfolk County, Massachusetts. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Oct 18, 1990, 10:41 PM EDT (02:41 UTC)
- Expired
- Oct 18, 1990, 11:45 PM EDT
- In force
- 64 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
Counties Middlesex County, MA, Norfolk 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, 2.7 hours before the alert went out and 131 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBOS 190241
SVRBOS
MAC021-017-190345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BOSTON MA
1041 PM EDT THU OCT 18 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1145 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE EXTREME EAST PART OF MASSACHUSETTS
WESTERN NORFOLK...
IN THE EAST CENTRAL PART OF MASSACHUSETTS
MIDDLESEX...
AT 1030 PM A LINE OF THUNDERSTORMS WAS RACING ACROSS WORCESTER
COUNTY AT AROUND 45 MPH. WINDS IN EXCESS OF 50 MPH HAVE BEEN
REPORTED WITH THESE STORMS AS WELL AS NUMEROUS REPORTS OF TREE
DAMAGE AND POWER OUTAGES. IN ADDITION VERY HEAVY RAINFALL REDUCING
VISIBILITIES TO NEAR ZERO HAVE OCCURRED WITH LOCALIZED URBAN
FLOODING.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 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 ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
WYLLIEWhat 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, 5:49 PM EDT, 4 hours 52 minutes before
MAZALL-190200- SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 550 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 OCCURRED BETWEEN 4 AND 5 PM FROM MASSENA NEW YORK TO SCRANTON PENNSYLVANIA TO WASHINGTON DC. GUSTY SOUTH WINDS BETWEEN 25 AND 40 MPH IN NEW ENGAND THIS EVENING WILL INCREASE TO BETWEEN 40 AND 50 MPH. A FEW LOCATIONS ALONG THE COASTAL PLAIN OF EASTERN MASSACHUSETTS...AS WELL IN THE CONNECTICUT RIVER VALLEY...AND THE HIGHEST TERRAIN OF BOTH THE BERKSHIRES AND HIGHER TERRAIN AROUND WORCESTER SHOULD EXPERIENCE AN HOUR OR 2 OF GUSTY WINDS BETWEEN 55 AND 60 MPH. THE MOST FAVORABLE TIME FOR DAMAGING 60 MPH WIND GUSTS IN WESTERN MASSACHUSETTS IS BETWEEN 6 PM AND 9 PM AND IN EASTERN MASSACHUSETTS BETWEEN 8 PM AND MIDNIGHT. A COMPLEX OF THUNDERSTORMS RACING NORTHEAST FROM EASTERN PENNSYLVANIA AND MARYLAND WILL MOVE INTO WESTERN NEW ENGLAND BETWEEN 6 AND 9 PM. THE POTENTIAL FOR DAMAGING SOUTHWEST WINDS WILL BE STRONGEST NEAR ANY THUNDERSTORMS THAT MAY OCCUR EARLY TONIGHT. CAUTION IS ADVISED FOR ALL PEOPLE TRAVELING IN HIGH PROFILE VEHICLES OR WALKING ABOUT EARLY TONIGHT. POWER OUTAGES MAY OCCUR FROM TREE LIMBS BREAKING WIRES AND LOOSE DEBRIS WILL BE ON THE MOVE. WINDS WILL DIMINISH RAPIDLY AFTER A WIND SHIFT TO WEST BEGINNING IN WESTERN MASSACHUSETTS AROUND 9 OR 10 PM AND IN EAjSTERN MASSACHUSETTS AROUND MIDNIGHT. DRAG
Special weather statement, Oct 18, 6:37 PM EDT, 4 hours 4 minutes before
RIZALL-190400 SPECIAL WEATHER STATEMENT FOR RHODE ISLAND NATIONAL WEATHER SERVICE PROVIDENCE RI 635 PM EDT THU OCT 18 1990 ...VERY STRONG WINDS WILL BATTER THE OCEAN STATE LATER TONIGHT... ...A HIGH WIND WARNING CONTINUES FOR ALL OF RHODE ISLAND... STRONG SOUTH WINDS ARE PRECEDING A STRONG COLD FRONT RACING ACROSS CENTRAL NEW YORK AND EASTERN PENNSYLVANIA AT 6 PM. GUSTY WINDS BETWEEN 40 AND 60 MPH HAVE BEEN REPORTED ACROSS PORTIONS OF NEW YORK STATE AND PENNSYLVANIA LATE THIS AFTERNOON. HERE IN THE OCEAN STATE...WINDS HAVE BEEN GUSTING TO 30 MPH. LATER TONIGHT...BETWEEN 9 PM AND MIDNIGHT... WINDS WILL INCREASE TO BETWEEN 40 AND 50 MPH WITH OCCASIONAL HIGHER GUSTS POSSIBLE. THE STRONG WINDS MAY DOWN POWER LINES AND TREE LIMBS RESULTING IN POWER OUTAGES. WINDS WILL SHIFT TO THE WEST AND DIMINSH TO 10 TO 20 MPH AROUND OR JUST AFTER MIDNIGHT AS THE FRONT MOVES ACROSS THE OCEAN STATE. . IF YOU WILL BE TRAVELING ACROSS THE OCEAN STATE LATER TONIGHT...BE ALERT FOR DOWNED POWER LINES AND BRANCHES. LOOSE OBJECTS WHICH ARE KEPT OUTDOORS SHOULD BE SECURED OR BROUGHT INSIDE NOW. CADIMA
Special weather statement, Oct 18, 8:08 PM EDT, 2 hours 33 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, 1 hour 31 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, 19 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
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 9:05 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 55 min |
| Oct 18, 9:45 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 60 min |
| Oct 18, 11:43 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Suffolk | 62 min |
| Oct 18, 11:43 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk | 62 min |
| Oct 19, 12:44 AM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 61 min |
| Oct 19, 12:44 AM EDT | Severe Thunderstorm Warning | BOX | Dukes | 61 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.