Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 48, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 29, 1993, 5:53 PM EDT for Franklin County, Massachusetts. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Jul 29, 1993, 5:53 PM EDT (21:53 UTC)
- Expired
- Jul 29, 1993, 7:00 PM EDT
- In force
- 67 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Franklin County, MA
The nearest sounding before it
Albany, NY (KALB), launched 12:00Z, 9.9 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
- 262 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 1064 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- -12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KORH 292155 SVRORH MAC011-292300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WORCESTER MA 553 PM EDT THU JUL 29 1993 THE NATIONAL WEATHER SERVICE IN WORCESTER HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST MASSACHUSETTS ...WESTERN FRANKLIN COUNTY NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM NEAR CHESHIRE IN BERKSHIRE COUNTY. THIS STORM IS MOVING NORTHEAST AT 25 MPH AND WILL ENTER WESTERN FRANKLIN COUNTY SHORTLY AFTER 600PM. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... ANtD DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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 29, 12:02 PM EDT, 5 hours 51 minutes before
CTZALL-MAZALL-RIZALL-292200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA NOON EDT THU JUL 29 1993 HAZY SUNSHINE DEVELOPING FROM WEST TO EAST ACROSS SOUTHERN NEW ENGLAND WILL COMBINE WITH THE WARM AND HUMID AIR MASS OVER THE REGION TO PRODUCE THUNDERSTORMS THIS AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS COULD HAVE HIGH WIND...TORRENTIAL RAIN AND HAIL AS THEY MOVE INTO CONNECTICUT AND WESTERN MASSACHUSETTS BY MID AFTERNOON...THEN MOVE ACROSS THE REST OF SOUTHERN NEW ENGLAND LATE THIS AFTERNOON AND THIS EVENING. THESE THUNDERSTORMS COULD CAUSE BRIEF FLOODING OF STREETS AND HIGHWAYS IN SOME LOCATIONS OF SOUTHERN NEW ENGLAND THIS AFTERNOON...EXCEPT FOR CAPE COD. AT NOON...NO WATCHES OR WARNINGS WERE IN EFFECT FOR SOUTHERN NEW ENGLAND. RADAR INDICATED THAT SCATTERED SHOWERS AND POSSIBLY A THUNDERSTORM IS DEVELOPING IN THE MOHAWK VALLEY AND UPSTATE NEW YORK. JRS
Special weather statement, Jul 29, 12:02 PM EDT, 5 hours 51 minutes before
CTZALL-MAZALL-RIZALL-292200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA NOON EDT THU JUL 29 1993 HAZY SUNSHINE DEVELOPING FROM WEST TO EAST ACROSS SOUTHERN NEW ENGLAND WILL COMBINE WITH THE WARM AND HUMID AIR MASS OVER THE REGION TO PRODUCE THUNDERSTORMS THIS AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS COULD HAVE HIGH WIND...TORRENTIAL RAIN AND HAIL AS THEY MOVE INTO CONNECTICUT AND WESTERN MASSACHUSETTS BY MID AFTERNOON...THEN MOVE ACROSS THE REST OF SOUTHERN NEW ENGLAND LATE THIS AFTERNOON AND THIS EVENING. THESE THUNDERSTORMS COULD CAUSE BRIEF FLOODING OF STREETS AND HIGHWAYS IN SOME LOCATIONS OF SOUTHERN NEW ENGLAND THIS AFTERNOON...EXCEPT FOR CAPE COD. AT NOON...NO WATCHES OR WARNINGS WERE IN EFFECT FOR SOUTHERN NEW ENGLAND. RADAR INDICATED THAT SCATTERED SHOWERS AND POSSIBLY A THUNDERSTORM IS DEVELOPING IN THE MOHAWK VALLEY AND UPSTATE NEW YORK. JRS
Special weather statement, Jul 29, 3:10 PM EDT, 2 hours 43 minutes before
CTZALL-MAZ005-291000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 310 PM EDT THU JUL 29 1993 AT 305 AM...RADAR SHOWED THUNDERSTORMS MOVING INTO SOUTHWEST CONNECTICUT. THESE THUNDERSTORMS CONTAINED LOCALLY HEAVY DOWNPOURS AND GUSTY WINDS. THE THUNDERSTORMS WERE MOVING EAST AT 15 MILES PER HOUR. THE THUNDERSTORMS WILL MOVE INTO THE DANBURY AREA BY 330 AM. SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGHOUT TODAY IN CONNECTICUT AND WEST MASSACHUSETTS. MOORE/SEKELSKY
Special weather statement, Jul 29, 4:00 PM EDT, 1 hour 53 minutes before
CTZALL-MAZALL-RIZALL-300100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 400 PM EDT THU JUL 29 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN AND CENTRAL MASSACHUSETTS UNTIL 9 PM EDT...FOR THE AREA FROM THE WESTERN PORTIONS OF MIDDLESEX AND NORFOLK COUNTY TO THE BERKSHIRES. A FEW SHOWERS AND THUNDERSTORMS WERE MOVING INTO BERKSHIRE COUNTY AT 4PM. A RAIN SHOWER WITH THUNDER AND LIGHTENING WAS REPORTED IN THE ALBANY AREA BEFORE 4 PM. HEAVIER THUNDERSTORMS WERE LOCATED NORTH OF MASSACHUSETTS...IN VERMONT WHERE SEVERE THUNDERSTORM WARNINGS HAVE BEEN ISSUED FOR PORTIONS OF THAT STATE. THERE IS THE POTENTIAL IN WESTERN AND CENTRAL MASSACHUSETTS FOR SOME OF THESE THUNDERSTORMS TO HAVE HIGH WIND...TORRENTIAL RAIN AND HAIL. THEY SHOULD WEAKEN AS THEY MOVE INTO EASTERN AREAS LATER THIS EVENING. THESE THUNDERSTORMS COULD CAUSE BRIEF FLOODING OF STREETS AND HIGHWAYS IN SOME LOCATIONS OF SOUTHERN NEW ENGLAND THIS AFTERNOON...EXCEPT FOR CAPE COD. JRS
Special weather statement, Jul 29, 4:25 PM EDT, 1 hour 28 minutes before
CTZALL-MAZALL-RIZALL-300100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 400 PM EDT THU JUL 29 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN AND CENTRAL MASSACHUSETTS UNTIL 9 PM EDT...FOR THE AREA FROM THE WESTERN PORTIONS OF MIDDLESEX AND NORFOLK COUNTY TO THE BERKSHIRES. A FEW SHOWERS AND THUNDERSTORMS WERE MOVING INTO BERKSHIRE COUNTY AT 4PM. A RAIN SHOWER WITH THUNDER AND LIGHTENING WAS REPORTED IN THE ALBANY AREA BEFORE 4 PM. HEAVIER THUNDERSTORMS WERE LOCATED NORTH OF MASSACHUSETTS...IN VERMONT WHERE SEVERE THUNDERSTORM WARNINGS HAVE BEEN ISSUED FOR PORTIONS OF THAT STATE. THERE IS THE POTENTIAL IN WESTERN AND CENTRAL MASSACHUSETTS FOR SOME OF THESE THUNDERSTORMS TO HAVE HIGH WIND...TORRENTIAL RAIN AND HAIL. THEY SHOULD WEAKEN AS THEY MOVE INTO EASTERN AREAS LATER THIS EVENING. THESE THUNDERSTORMS COULD CAUSE BRIEF FLOODING OF STREETS AND HIGHWAYS IN SOME LOCATIONS OF SOUTHERN NEW ENGLAND THIS AFTERNOON...EXCEPT FOR CAPE COD. JRS
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.