Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 17, NWS Boston/Norton, MA

July 10, 1989Essex County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 10, 1989, 6:21 PM EDT for Essex County, Massachusetts. It was in force for 69 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 10, 1989, 6:21 PM EDT (22:21 UTC)
Expired: Jul 10, 1989, 7:30 PM EDT
In force: 69 min
Issued by: NWS Boston/Norton, MA
Area: Whole counties

County Essex 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 10, 7:00 PM EDT	Thunderstorm Wind 50	Essex, 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

Chatham, MA (KCHH), launched 12:00Z, 10.4 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1754 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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

Local storm report, Jul 10, 12:48 PM EDT, 5 hours 33 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/TPM

Special weather statement, Jul 10, 2:03 PM EDT, 4 hours 18 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, 4 hours 3 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 ISSUED AS NECESSARY BY
THE NATIONAL WEATHER SERVICE.

RA/BK

Special weather statement, Jul 10, 3:53 PM EDT, 2 hours 28 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, 1 hour 12 minutes before

SPECIAL WEATHER STATEMENTNATIONAL 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

Local storm report, Jul 10, 5:52 PM EDT, 29 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 10:35 AM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	65 min
Jul 10, 11:25 AM EDT	Severe Thunderstorm Warning	BOX	Hampden	65 min
Jul 10, 11:35 AM EDT	Severe Thunderstorm Warning	BOX	Worcester	35 min
Jul 10, 3:30 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	60 min
Jul 10, 4:30 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Suffolk	60 min
Jul 10, 4:11 PM EDT	Severe Thunderstorm Warning	BOX	Northwest Hills Planning Region	64 min
Jul 10, 5:16 PM EDT	Severe Thunderstorm Warning	BOX	Northwest Hills Planning Region	44 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1989 Every 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.