Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 19, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 27, 1989, 10:40 PM EDT for Hampden County, Massachusetts. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jul 27, 1989, 10:40 PM EDT (02:40 UTC)
- Expired
- Jul 27, 1989, 11:45 PM EDT
- In force
- 65 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Hampden 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
Albany, NY (KALB), launched 00:00Z, 2.7 hours before the alert went out and 116 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
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, Jul 27, 5:25 PM EDT, 5 hours 15 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, 4 hours 34 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, 4 hours 14 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, 2 hours 55 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, 2 hours 36 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
Special weather statement, Jul 27, 9:44 PM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD, CT 935 PM EDT THU JUL 27 1989 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR ALL OF CONNECTICUT AND HAMPDEN COUNTY OF MASSACHUSETTS UNTILL 1 AM EDT FRIDAY... AT 915 PM NATIONAL WEATHER SERVICE RADAR AT BRADLEY INTERNATIONAL AIRPORT INDICATED AN AREA OF SEVERE THUNDERSTORMS EXTENDING FROM KEENE NEW HAMPSHIRE TO 20 MILES EAST OF PITTSFIELD MASSACHUSETTS. THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL PASS TO THE NORTH OF HAMPDEN COUNTY. ANOTHER AREA OF THUNDERSTORMS WAS OVER EASTERN NEW YORK STATE AND WERE MOVING TO THE EAST AT 35 MILES AN HOUR. THESE STORMS WILL MOVE INTO WESTERN CONNECTICUT DURING THE NEXT COUPLE OF HOURS8. PERSONS IN OR NEAR 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, 9:30 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 90 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; the sounding from the Mesonet's radiosonde archive.