Alert archive / Connecticut / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 16, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 10, 1989, 5:16 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1989, 5:16 PM EDT (21:16 UTC)
- Expired
- Jul 10, 1989, 6:00 PM EDT
- In force
- 44 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
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 12:00Z, 9.3 hours before the alert went out and 106 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
- 111 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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
Local storm report, Jul 10, 12:46 PM EDT, 4 hours 30 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WORCESTER MA
745 PM EDT FRI JULY 7 1989
TIME(EDT) LOCATION REPORT
1100 AM NORTHFIELD MA WIND GUSTS EST 50 KTS PLUS AND
(FRANKLIN CTY) MARBLE SIZE HAIL
END/TPMLocal storm report, Jul 10, 12:48 PM EDT, 4 hours 28 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WORCESTER MA
1248 PM EDT MON JULY 10 1989
TIME(EDT) LOCATION REPORT
1100 AM NORTHFIELD MA WIND GUSTS EST 50 KTS PLUS AND
(FRANKLIN CTY) MARBLE SIZE HAIL
END/TPMSpecial weather statement, Jul 10, 2:03 PM EDT, 3 hours 13 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 200 PM EDT MON JUL 10 1989 ...SEVERE THUNDERSTORM WATCH FOR MUCH OF MASSACHUSETTS UNTIL 800 PM THIS EVENING... SEVERE THUNDERSTORM WATCH NUMBER 593 HAS BEEN ISSUED FOR ALL OF MASSACHUSETTS...EXCEPT THE SOUTHEAST PORTION...EFFECTIVE UNTIL 800 PM EDT. A LINE OF THUNDERSTORMS EXTENDING FROM SOUTHERN MAINE TO NORTH OF ALBANY NEW YORK...IS MOVING SOUTHWARD AROUND 30 MPH. THIS LINE OF THUNDERSTORMS WILL ENTER NORTHERN MASSACHUSETTS AROUND 300 PM AND WILL MOVE SOUTHWARD ACROSS MOST OF THE STATE. PEOPLE IN THE WATCH AREA SHOULD KEEP KEEP CURRENT ON THIS RAPIDLY 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 400 PM. GCS
Special weather statement, Jul 10, 2:18 PM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 215 PM EST MON JUL 10 1989 ...SEVERE THUNDERSTORM WATCH FOR HAMPDEN COUNTY OF MASSACHUSETTS UNTIL 800 PM THIS EVENING... A LINE OF THUNDERSTORMS EXTENDING FROM SOUTHERN MAINE TO NORTH OF ALBANY NEW YORK...IS MOVING SOUTHWARD AROUND 30 MPH. THIS LINE OF THUNDERSTORMS WILL ENTER NORTHERN MASSACHUSETTS AROUND 300 PM AND WILL MOVE SOUTHWARD ACROSS OF THE STATE. PEOPLE IN THE WATCH AREA SHOULD KEEP CURRENT ON THIS RAPIDLY DEVELOPING AND POTENTIALLY DANGEROUS SITUATION...AND BE PREPARED TO TAKE QUICK ACTION IN CASE SEVERE WEATHER IS OBSERVED OR A WARNING FOR THEIR AREA IS ISSUED. THE NEXT STATEMENT ON THIS SITUATION WILL BE IS SUED AS NECESSARY BY THE NATIONAL WEATHER SERVICE. RA/BK
Special weather statement, Jul 10, 3:53 PM EDT, 1 hour 23 minutes before
^BOSSPSPVD SPECIAL WEATHER STATEMENT FOR RHODE ISLAND NATIONAL WEATHER SERVICE PROVIDENCE RI 400 PM EDT MON JUL 10 1989 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR RHODE ISLAND UNTIL 10PM... THE NATIONAL SEVERE STORMS FORECAST CENTER IN KANSAS CITY HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 1000 PM EDT FOR MOST OF SOUTHERN NEW ENGLAND INCLUDING THE OCEAN STATE AND THE ADJACENT COASTAL WATERS. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS EXIST FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. RHODE ISLANDERS SHOULD STAY TUNED TO THE LATEST WEATHER FORECASTS ON THIS RAPIDLY DEVELOPING AND POTENTIALLY DANGEROUS SITUATION. BE PREPARED TO TAKE QUICK ACTION IN CASE SEVERE WEATHER IS OBSERVLED OR A WARNING FOR YOUR AREA IS ISSUED. THE NEXT STATEMENT ON THIS SITUATION WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN PROVIDENCE LATER THIS AFTERNOON. VALLIER
Special weather statement, Jul 10, 5:09 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEAUHER SERVICE HARTFORD CT 505 PM EST MON JUL 10 1989 ...SEVERE THUNEERSTORMS IN CENTRAL LITCHFIELD COUNTY CONNECTICUT... AT 500 PM NATIONAL WEATIER SERVICE RADAR INDICATED A SEVERE STORM OCCURRING OVER CENTRAL LITCHFIELD COUNTY MIDWAY BETWEEN TORRINGTON AND WATERBURY NEAR WASHINGTON AND WASHINGTON DEPOT. THE THUNDERSTORM WAS MOVING SOUTH AT AROUND 40 MPH. A SEVERE THUNDERSUORM WARNING WILL CONTINUE FOR LITCHFIELD COUNTY UNTIL 515 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF CONNECTICUT UNTIL 10 PM AND!FOR HAMPDEN COUNTY IN MASSACHUETTS UNTIL 8 PM. FURTHER WARNINGS AND STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE AS CONDITIONS WARRANT. MACH
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 4:11 PM EDT | Severe Thunderstorm Warning | BOX | Northwest Hills Planning Region | 64 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 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.