Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 39, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 8, 1993, 7:04 PM EDT for Middlesex County, Massachusetts. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1993, 7:04 PM EDT (23:04 UTC)
- Expired
- Jul 8, 1993, 7:30 PM EDT
- In force
- 26 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Middlesex County, MA
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 11.1 hours before the alert went out and 148 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
- 865 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1257 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KBOS 082304 SVRBOX MAC017-082330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BOSTON MA 704 PM EDT THU JUL 8 1993 THE NATIONAL WEATHER SERVICE IN BOSTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN MASSACHUSETTS ...SOUTHEASTERN MIDDLESEX COUNTY POTENTIALLY SEVERE THUNDERSTORMS MAY OCCUR JUST WEST OF BOSTON UNTIL 730 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND 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 ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 8, 4:19 PM EDT, 2 hours 45 minutes before
MAZ005-082200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 418 PM EDT THUR JUL 08 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF MASSACHUSETTS TO INCLUDE HAMPDEN COUNTY UNTIL 1000 PM EDT... AT 350 PM EDT THERE WAS AN AREA OF THUNDERSTORMS...SOME WHICH WERE SEVERE STRETCHING FROM JUST NORTH OF POUGHKEEPSIE NEW YORK EXTENDING TOWARDS THE NORTH NEAR BURLINGTON VERMONT. THE STRONGEST STORMS WERE LOCATED IN THE ALBANY NEW YORK AREA WHICH RECEIVED A SQUALL LINE WIND OF 37 MILES PER HOUR. THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS HAIL AND FREQUENT LIGHTNING. THE STORMS ARE CURRENTLY MOVING TOWARDS THE EAST AT 20 MILES PER HOUR. PEOPLE IN MASSACHUSETTS SHOULD BE ON THE LOOKOUT IN THE NEXT SEVERAL HOURS FOR THESE STRONG STORMS. STAY TUNED TO NOAA WEATHER RADIO AND YOUR LOCAL TELEVISION STATIONS FOR MORE DETAILS ABOUT THESE STORMS. CHORNEY
Special weather statement, Jul 8, 4:19 PM EDT, 2 hours 45 minutes before
MAZ005-082200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 418 PM EDT THUR JUL 08 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF MASSACHUSETTS TO INCLUDE HAMPDEN COUNTY UNTIL 1000 PM EDT... AT 350 PM EDT THERE WAS AN AREA OF THUNDERSTORMS...SOME WHICH WERE SEVERE STRETCHING FROM JUST NORTH OF POUGHKEEPSIE NEW YORK EXTENDING TOWARDS THE NORTH NEAR BURLINGTON VERMONT. THE STRONGEST STORMS WERE LOCATED IN THE ALBANY NEW YORK AREA WHICH RECEIVED A SQUALL LINE WIND OF 37 MILES PER HOUR. THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS HAIL AND FREQUENT LIGHTNING. THE STORMS ARE CURRENTLY MOVING TOWARDS THE EAST AT 20 MILES PER HOUR. PEOPLE IN MASSACHUSETTS SHOULD BE ON THE LOOKOUT IN THE NEXT SEVERAL HOURS FOR THESE STRONG STORMS. STAY TUNED TO NOAA WEATHER RADIO AND YOUR LOCAL TELEVISION STATIONS FOR MORE DETAILS ABOUT THESE STORMS. CHORNEY
Special weather statement, Jul 8, 4:20 PM EDT, 2 hours 44 minutes before
MAZALL-082300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 420 PM EDT THU JUL 8 1993 ...SEVERE THUNDERSTORM WATCH FOR ALL BUT SOUTHEAST MASSACHUSETTS UNTIL 10 PM... THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON TO THE NORTH AND WEST OF MASSACHUSETTS. THESE STORMS HAVE BEEN SEVERE AROUND THE ALBANY NEW YORK AREA AND ARE MOVING TO THE EAST SOUTHEAST AT AROUUND 20 MPH. RESIDENTS OF ALL BUT SOUTHEAST MASSACHUSETTS SHOULD BE ON THE LOOKOUT FOR STRONG THUNDERSTORMS WITH HIGH WINDS...HEAVY RAIN AND POSSIBLE HAIL INTO THE EVENING HOURS. REMEMBER...LIGHTNING CAN KILL FROM A STORM ALMOST 10 MILES AWAY...WHICH MEANS YOU DONT HAVE TO HEAR THUNDER IN ORDER TO BE THREATENED. PLEASE LISTEN FOR LATER STATEMENTS ON THIS SITUATION. GIRODO
Special weather statement, Jul 8, 4:21 PM EDT, 2 hours 43 minutes before
MAZALL-082300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 420 PM EDT THU JUL 8 1993 ...SEVERE THUNDERSTORM WATCH FOR ALL BUT SOUTHEAST MASSACHUSETTS UNTIL 10 PM... THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON TO THE NORTH AND WEST OF MASSACHUSETTS. THESE STORMS HAVE BEEN SEVERE AROUND THE ALBANY NEW YORK AREA AND ARE MOVING TO THE EAST SOUTHEAST AT AROUUND 20 MPH. RESIDENTS OF ALL BUT SOUTHEAST MASSACHUSETTS SHOULD BE ON THE LOOKOUT FOR STRONG THUNDERSTORMS WITH HIGH WINDS...HEAVY RAIN AND POSSIBLE HAIL INTO THE EVENING HOURS. REMEMBER...LIGHTNING CAN KILL FROM A STORM ALMOST 10 MILES AWAY...WHICH MEANS YOU DONT HAVE TO HEAR THUNDER IN ORDER TO BE THREATENED. PLE.ASE LISTEN FOR LATER STATEMENTS ON THIS SITUATION. GIRODO
Special weather statement, Jul 8, 5:20 PM EDT, 1 hour 44 minutes before
MAZ004-007-001-082230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 520 PM EDT THU JUL 8 1993 ...STRONG THUNDERSTORMS MOVING INTO NORTHEAST MASACHUSETTS... AT 515 PM STRONG THUNDERSTORMS HAVE BEGUN TO MOVE INTO NORTHERN AND CENTRAL MIDDLESEX COUNTY. THE STORMS ARE MOVING EAST AROUND 20 MPH AND WILL BE MOVING INTO BOSTON'S NORTHERN AND WESTERN SUBURBS SOON AFTER 530 PM THIS EVENING. BE ON THE LOOKOUT FOR POSSIBLE HIGH WINDS...TORRENTIAL RAIN AND HAIL INTO THE EVENING HOURS. REMEMBER...LIGHTNING CAN KILL FROM A STORM ALMOST 10 MILES AWAY...WHICH MEANS YOU DONT HAVE TO HEAR THUNDER IN ORDER TO BE THREATENED. PLEASE LISTEN FOR LATER STATEMENTS ON THIS SITUATION. < GIRODO
Special weather statement, Jul 8, 5:23 PM EDT, 1 hour 41 minutes before
MAZ004-007-001-082230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 520 PM EDT THU JUL 8 1993 ...STRONG THUNDERSTORMS MOVING INTO NORTHEAST MASACHUSETTS... AT 515 PM STRONG THUNDERSTORMS HAVE BEGUN TO MOVE INTO NORTHERN AND CENTRAL MIDDLESEX COUNTY. THE STORMS ARE MOVING EAST AROUND 20 MPH AND WILL BE MOVING INTO BOSTON'S NORTHERN AND WESTERN SUBURBS SOON AFTER 530 PM THIS EVENING. BE ON THE LOOKOUT FOR POSSIBLE HIGH WINDS...TORRENTIAL RAIN AND HAIL INTO THE EVENING HOURS. REMEMBER...LIGHTNING CAN KILL FROM A STORM ALMOST 10 MILES AWAY...WHICH MEANS YOU DONT HAVE TO HEAR THUNDER IN ORDER TO BE THREATENED. PLEASE LISTEN FOR LATER STATEMENTS ON THIS SITUATION. < GIRODO
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 4:51 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 69 min |
| Jul 8, 5:03 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 57 min |
| Jul 8, 5:40 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 65 min |
| Jul 8, 6:02 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 43 min |
| Jul 8, 6:10 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 65 min |
| Jul 8, 6:18 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 57 min |
| Jul 8, 6:27 PM EDT | Tornado Warning | BOX | Middlesex | 33 min |
| Jul 8, 6:45 PM EDT | Tornado Warning | BOX | Norfolk, Suffolk | 45 min |
| Jul 8, 7:29 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Suffolk | 31 min |
| Jul 8, 7:33 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 57 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 1993Every severe thunderstorm warning in 1993
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.