Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 18, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 27, 1989, 9:30 PM EDT for Franklin County, Hampshire County, Massachusetts. It was in force for 90 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
- Jul 27, 1989, 9:30 PM EDT (01:30 UTC)
- Expired
- Jul 27, 1989, 11:00 PM EDT
- In force
- 90 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
Counties Franklin County, MA, Hampshire County, MA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 27, 9:35 PM EDT | Thunderstorm Wind 50 | Franklin, MA |
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 00:00Z, 1.5 hours before the alert went out and 102 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
- 550 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1182 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 50 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 KORH 280126 RRA SVRORH MAC011-015-280300- BULLETIN-IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WORCESTER MA 930 PM EDT THU JUL 27 1989 EXPIRES 1100 PM EDT THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM EDT FOR THE FOLLOWING COUNTIES IN MASSACHUSETTS...SOUTHERN FRANKLIN AND NORTHWESTERN HAMPSHIRE AT 930 PM RADAR SHOWED A SEVERE THUNDERSTORM IN NORTH CENTRAL BERKSHIRE COUNTY. IT WAS MOVING TOWARD THE EAST AT 25 MPH AND WILL BE PASSING INTO NORTHWESTERN PORTIONS OF HAMPSHIRE COUNTY AND THEN INTO FRANKLIN COUNTY DURING THE NEXT HOUR. IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY. TO1 REPORT SEVERE WEATHER..PLEASE ASK YOUR LOCAL LAW ENFORCEMENT AGENCY TO RELAY YOUR REPORT TO THE NEAREST NATIONAL WEATHER SERVICE OFFICE. $$ KEHIR
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, Jul 27, 5:25 PM EDT, 4 hours 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD, CT 525 PM EDT THU JUL 27 1989 ...THUNDERSTORMS RUMBLING ACROSS LITCHFIELD COUNTY... AT 5:20 PM THE NATIONAL WEATHER SERVICE RADAR AT BRADLEY FIELD INDICATED THUNDESTORMS OVER CENTRAL AND SOUTHERN LITCHFIELD COUNT. THE STRONGEST STORM WAS LOCATED 10 MILES WEST OF TORRRINGTON. THESE STORMS MAY HAVE HEAVY RAIN AND LOCALLY GUSTY WINDS. IF THREATENING WEATHER APPROACHES YOU SHOULD TAKE SHELTER. THESE THUNDER STORMS ARE MOVING TO THE EAST AT 20 MPH. THIS WILL BE THE ONLY STATEMENT ON THESE STORMS UNLESS CONDITIONS WARRANT. DUNHAM/WSO HARTFORD
Special weather statement, Jul 27, 6:06 PM EDT, 3 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD, CT 600 PM EDT THU JUL 27 1989 ...THUNDERSTORMS MOVING FROM LITCHFIELD COUNTY INTO HARTFORD COUNTY... AT 600 PM THE NATIONAL WEATHER SERVICE RADAR AT BRADLEY FIELD INDICATED AN AREA OF STRONG THUNDERSTORMS EXTENDING FROM NORFOLK IN LITCHFIELD COUNTY TO JUST WEST OF MERIDEN IN NEW HAVEN COUNTY. THESE STORMS ARE MOVING TO THE EAST AT 20 MPH AND WILL BE OVER THE GREATER HARTFORD AREA DURING THE NEXT HOUR. THESE STORMS MAY HAVE HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL. IF THREATENING WEATHER APPROACHES YOU SHOULD TAKE SHELTER. FURTHER STATEMENTS ON THESE STORMS WILL BE ISSUED AS NEEDED. DUNHAM/WSO HARTFORD
Special weather statement, Jul 27, 6:26 PM EDT, 3 hours 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD, CT 625 PM EDT THU JUL 27 1989 ...THUNDERSTORMS MOVING INTO HARTFORD COUNTY... AT 625 PM THE NATIONAL WEATHER SERVICE RADAR AT BRADLEY FIELD INDICATED AN AREA OF STRONG THUNDERSTORMS EXTENDING FROM 10 MILES SOUTHWEST OF SOUTHWICK IN HAMPDEN COUNTY MA TO 10 MILES SOUTHWEST OF NEW BRITAIN IN HARTFORD COUNTY. THESE STORMS ARE MOVING TO THE EAST AT 20 MPH AND WILL MOVE THROUGH THE GREATER HARTFORD AREA DURING THE NEXT HOUR. THESE STORMS MAY HAVE HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL. IF THREATENING WEATHER APPROACHES YOU SHOULD TAKE SHELTER. FURTHER STATEMENTS ON THESE STORMS WILL BE ISSUED AS NEEDED. DUNHAM/WSO HARTFORD
Special weather statement, Jul 27, 7:45 PM EDT, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 745 PM EDT THU JUL 27 1989 ...SEVERE THUNDERSTORM WATCH FOR ALL MASSACHUSETTS EXCEPT CAPE COD UNTIL 1 AM EDT TONIGHT... SEVERE THUNDERSTORM WATCH NUMBER 638 HAS BEEN ISSUED FOR ALL OF MASSACHUSETTS...EXCEPT CAPE COD AND THE ISLANDS...EFFECTIVE UNTIL 1 AM EDT. THUNDERSTORMS ARE NOW OCCURRING OVER VERMONT AND EASTERN NEW YORK. SEVERAL SEVERE THUNDERSTORMS HAVE BEEN REPORTED WITHIN THIS AREA...WITH DAMAGING WINDS AND HAIL. THE THUNDERSTORMS ARE MOVING INTO NORTHERN BERKSHIRE COUNTY AND WILL MOVE EASTWARD AT 20 TO 30 MILES AN HOUR ACROSS THE REST OF WESTERN AND CENTRAL MASSACHUSETTS DURING THE NEXT FEW HOURS. THESE THUNDERSTORMS MAY MOVE INTO OR NEW STORMS FORM OVER EASTERN PORTIONS LATER THIS EVENING WITH A SEVERE STORM POSSIBLE. THE SEVERE THUNDERSTORM WATCH MEANS THAT SOME THUNDERSTORMS MAY CONTAIN DAMAGING WINDS OF 60 MILES AN HOUR OR MORE AND LARGE HAIL OF THREE-QUARTERS OF AN INCH IN DIAMETER OR GREATER. PERSONS WITHIN OR NEAR THE WATCH AREA SHOULD KEEP A CLOSE WATCH ON THIS DEVELOPING AND POTENTIALLY DANGEROUS SITUATION...AND BE PREPARED TO TAKE QUICK ACTION IS CASE SEVERE WEATHER IS OBSERVED OR A WARNING FOR THEIR AREA IS ISSUED. THE NEXT STATEMENT ON THIS SITUATION WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN BOSTON AROUND 10 PM. DORR
Special weather statement, Jul 27, 8:04 PM EDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD, CT 745 PM EDT THU JUL 27 1989 ...SEVERE THUNDERSTORM WATCH FOR ALL OF CONNECTICUT UNTILL 1 AM EDT FRIDAY... SEVERE THUNDERSTORM WATCH NUMBER 638 HAS BEEN ISSUED FOR ALL OF CONNECTICUT EFFECTIVE UNTILL 1 AM EDT. THUNDERSTORMS ARE NOW OCCURRING OVER EASTERN NEY YORK. SEVERE THUNDERSTORMS HAVE BEEN REPORTED WITHIN THIS AREA...DAMAGING WINDS AND HAIL. THE THUNDERSTORMS AREA MOVING TO THE EAST AT 20 TO 30 MILES AN HOUR AND WILL MOVE INTO WESTERN CONNECTICUT DURING THE NEXT FEW HOURS. PERSONS IN THE WATCH AREA SHOULD KEEP CLOSE WATCH ON THIS DEVELOPING SITUATION AND BE PREPARRED TO TAKE QUICK ACTION IF SEVERE WEATHER IS OBSERVED OR A WARNING ISSUED. DUNHAM
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 10:40 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 65 min |
| Jul 28, 12:35 AM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 55 min |
| Jul 28, 1:05 AM EDT | Severe Thunderstorm Warning | BOX | Nantucket | 55 min |
| Jul 28, 1:05 AM EDT | Severe Thunderstorm Warning | BOX | Barnstable | 55 min |
| Jul 28, 2:05 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 70 min |
| Jul 28, 2:48 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 57 min |
| Jul 28, 3:00 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 60 min |
| Jul 28, 3:15 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 60 min |
| Jul 28, 3:57 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk | 63 min |
| Jul 28, 4:08 PM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 52 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 1989Every severe thunderstorm warning in 1989
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.