Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 46, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 9, 1997, 2:42 PM EDT for Franklin County, Massachusetts. It was in force for 63 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 9, 1997, 2:42 PM EDT (18:42 UTC)
- Expired
- Jul 9, 1997, 3:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Franklin County, MA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 3:30 PM EDT | Thunderstorm Wind 50 | Leverett, 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 9, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 6.7 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
- 1101 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 936 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBOS 091843 RRA SVRBOS MAC011-013-015-091945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 242 PM EDT WED JUL 9 1997 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST MASSACHUSETTS ...FRANKLIN COUNTY...HAMPDEN COUNTY...HAMPSHIRE COUNTY AT 240 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM SOUTHWESTERN NEW HAMPSHIRE TO BERKSHIRE COUNTY IN MASSACHUSETTS. THE LINE WAS MOVING EAST AT 25 MILES PER HOUR. THESE STORMS WILL PRODUCE DAMAGING WINDS AND LARGE HAIL. TORRENTIAL DOWNPOURS WILL ACCOMPANY THESE STORMS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. DRV/WGH
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 9, 11:15 AM EDT, 3 hours 27 minutes before
NHZ011>012-MAZ002>024-MAZ501>504-CTZ002>004-RIZALL-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1115 AM EDT WED JUL 9 1997 ...SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING ACROSS WESTERN AND CENTRAL MASSACHUSETTS...NORTHERN CONNECTICUT AND SOUTHERN NEW HAMPSHIRE... A WARM MOIST AIRMASS AHEAD OF AN APPROACHING COLD FRONT WILL PRODUCE SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS AFTERNOON AND TONIGHT. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS...LARGE HAIL AND HEAVY DOWNPOURS. THE MAIN SEVERE WEATHER THREAT WILL BE ACROSS CENTRAL AND WESTERN AREAS OF SOUTHERN NEW ENGLAND INTO SOUTHERN NEW HAMPSHIRE. THERE IS A POSSIBILITY OF SEVERE WEATHER INTO EASTERN MASSACHUSETTS AND RHODE ISLAND LATE THIS AFTERNOON AND EVENING AS WELL. THE THUNDERSTORMS WILL MOVE INTO THE EASTERN SLOPES OF THE BERKSHIRES AND SOUTHERN NEW HAMPSHIRE AFTER 2 PM...THEN PUSH INTO CENTRAL MASSACHUSETTS AND NORTHERN CONNECTICUT AFTER 4 PM. THE FRONT WILL MOVE SLOWLY SOUTHEAST INTO EASTERN MASSACHUSETTS AND RHODE ISLAND TONIGHT...SO SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE EARLY MORNING HOURS ON FRIDAY. THE SEVERE WEATHER WILL DIMINISH ACROSS THE REGION LATE TONIGHT. STAY TUNED TO YOUR FAVORITE RADIO OR TELEVISION STATIONS OR LISTEN TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS OR ANY WATCHES OR WARNINGS THAT THE NATIONAL WEATHER SERVICE MAY BE ISSUED ON THIS WEATHER SITUATION. VALLIER-TALBOT
Special weather statement, Jul 9, 11:17 AM EDT, 3 hours 25 minutes before
NHZ011>012-MAZ002>024-MAZ501>504-CTZ002>004-RIZALL-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1115 AM EDT WED JUL 9 1997 ...SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING ACROSS WESTERN AND CENTRAL MASSACHUSETTS...NORTHERN CONNECTICUT AND SOUTHERN NEW HAMPSHIRE... A WARM MOIST AIRMASS AHEAD OF AN APPROACHING COLD FRONT WILL PRODUCE SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS AFTERNOON AND TONIGHT. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS...LARGE HAIL AND HEAVY DOWNPOURS. THE MAIN SEVERE WEATHER THREAT WILL BE ACROSS CENTRAL AND WESTERN AREAS OF SOUTHERN NEW ENGLAND INTO SOUTHERN NEW HAMPSHIRE. THERE IS A POSSIBILITY OF SEVERE WEATHER INTO EASTERN MASSACHUSETTS AND RHODE ISLAND LATE THIS AFTERNOON AND EVENING AS WELL. THE THUNDERSTORMS WILL MOVE INTO THE EASTERN SLOPES OF THE BERKSHIRES AND SOUTHERN NEW HAMPSHIRE AFTER 2 PM...THEN PUSH INTO CENTRAL MASSACHUSETTS AND NORTHERN CONNECTICUT AFTER 4 PM. THE FRONT WILL MOVE SLOWLY SOUTHEAST INTO EASTERN MASSACHUSETTS AND RHODE ISLAND TONIGHT...SO SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE EARLY MORNING HOURS ON FRIDAY. THE SEVERE WEATHER WILL DIMINISH ACROSS THE REGION LATE TONIGHT. STAY TUNED TO YOUR FAVORITE RADIO OR TELEVISION STATIONS OR LISTEN TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS OR ANY WATCHES OR WARNINGS THAT THE NATIONAL WEATHER SERVICE MAY BE ISSUED ON THINS WEATHER SITUATION. VALLIER-TALBOT
Special weather statement, Jul 9, 11:19 AM EDT, 3 hours 23 minutes before
NHZ011>012-MAZ002>024-MAZ501>504-CTZ002>004-RIZALL-100000- SPECIAL WEATHER STATEMENT...CORRECTED LAST SENTENCE NATIONAL WEATHER SERVICE TAUNTON MA 1120 AM EDT WED JUL 9 1997 ...SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING ACROSS WESTERN AND CENTRAL MASSACHUSETTS...NORTHERN CONNECTICUT AND SOUTHERN NEW HAMPSHIRE... A WARM MOIST AIRMASS AHEAD OF AN APPROACHING COLD FRONT WILL PRODUCE SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS AFTERNOON AND TONIGHT. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS...LARGE HAIL AND HEAVY DOWNPOURS. THE MAIN SEVERE WEATHER THREAT WILL BE ACROSS CENTRAL AND WESTERN AREAS OF SOUTHERN NEW ENGLAND INTO SOUTHERN NEW HAMPSHIRE. THERE IS A POSSIBILITY OF SEVERE WEATHER INTO EASTERN MASSACHUSETTS AND RHODE ISLAND LATE THIS AFTERNOON AND EVENING AS WELL. THE THUNDERSTORMS WILL MOVE INTO THE EASTERN SLOPES OF THE BERKSHIRES AND SOUTHERN NEW HAMPSHIRE AFTER 2 PM...THEN PUSH INTO CENTRAL MASSACHUSETTS AND NORTHERN CONNECTICUT AFTER 4 PM. THE FRONT WILL MOVE SLOWLY SOUTHEAST INTO EASTERN MASSACHUSETTS AND RHODE ISLAND TONIGHT...SO SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE EARLY MORNING HOURS ON FRIDAY. THE SEVERE WEATHER WILL DIMINISH ACROSS THE REGION LATE TONIGHT. STAY TUNED TO YOUR FAVORITE RADIO OR TELEVISION STATIONS OR LISTEN TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS OR ANY WATCHES OR WARNINGS THAT THE NATIONAL WEATHEZR SERVICE MAY ISSUE ON THIS WEATHER SITUATION. VALLIER-TALBOT
Special weather statement, Jul 9, 11:20 AM EDT, 3 hours 22 minutes before
NHZ011>012-MAZ002>024-MAZ501>504-CTZ002>004-RIZALL-100000- SPECIAL WEATHER STATEMENT...CORRECTED LAST SENTENCE NATIONAL WEATHER SERVICE TAUNTON MA 1120 AM EDT WED JUL 9 1997 ...SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING ACROSS WESTERN AND CENTRAL MASSACHUSETTS...NORTHERN CONNECTICUT AND SOUTHERN NEW HAMPSHIRE... A WARM MOIST AIRMASS AHEAD OF AN APPROACHING COLD FRONT WILL PRODUCE SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS AFTERNOON AND TONIGHT. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS...LARGE HAIL AND HEAVY DOWNPOURS. THE MAIN SEVERE WEATHER THREAT WILL BE ACROSS CENTRAL AND WESTERN AREAS OF SOUTHERN NEW ENGLAND INTO SOUTHERN NEW HAMPSHIRE. THERE IS A POSSIBILITY OF SEVERE WEATHER INTO EASTERN MASSACHUSETTS AND RHODE ISLAND LATE THIS AFTERNOON AND EVENING AS WELL. THE THUNDERSTORMS WILL MOVE INTO THE EASTERN SLOPES OF THE BERKSHIRES AND SOUTHERN NEW HAMPSHIRE AFTER 2 PM...THEN PUSH INTO CENTRAL MASSACHUSETTS AND NORTHERN CONNECTICUT AFTER 4 PM. THE FRONT WILL MOVE SLOWLY SOUTHEAST INTO EASTERN MASSACHUSETTS AND RHODE ISLAND TONIGHT...SO SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE EARLY MORNING HOURS ON FRIDAY. THE SEVERE WEATHER WILL DIMINISH ACROSS THE REGION LATE TONIGHT. STAY TUNED TO YOUR FAVORITE RADIO OR TELEVISION STATIONS OR LISTEN TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS OR ANY WATCHES OR WARNINGS THAT THE NATIONAL WEATHER SERVICE MAY ISSUE ON THIS WEATHER SITUATION. VALLIER-TALBOT
Special weather statement, Jul 9, 2:30 PM EDT, 12 minutes before
NHZ011>012-MA002>024-501>504-CTZ002>004-RIZALL-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 230 PM EDT WED JUL 9 1997 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM FOR ALL OF CONNECTICUT...ALL OF RHODE ISLAND...AND ALL OF MASSACHUSETTS EXCEPT CAPE COD AND THE ISLANDS... ...FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT FOR WESTERN AND CENTRAL MASSACHUSETTS AND CHESHIRE AND HILLSBOROUGH COUNTIES IN NEW HAMPSHIRE... AS OF 230 PM...THUNDERSTORMS WERE MOVING INTO THE EASTERN SLOPES OF THE BERKSHIRES AND SOUTHERN NEW HAMPSHIRE. THEY WILL CONTINUE AN EASTWARD TRACK INTO CENTRAL MASSACHUSETTS AND NORTHERN CONNECTICUT AFTER 3 PM...AND INTO EASTERN MASSACHUSETTS AND RHODE ISLAND AFTER 4 PM. SOME OF THESE STORMS WILL PRODUCE LARGE HAIL...DAMAGING WIND GUSTS TO 80 MPH...AND TORRENTIAL RAIN. AN ISOLATED TORNADO IS ALSO POSSIBLE WITH THESE STORMS. STAY TUNED TO YOUR FAVORITE RADIO OR TELEVISION STATIONS OR LISTEN TO NOAA WEATHER RADIO FOR WARNINGS THAT THE NATIONAL WEATHER SERVICE MAY ISSUE ON THIS DANGEROUS WEATHER SITUATION. JL
Special weather statement, Jul 9, 2:33 PM EDT, 9 minutes before
NHZ011>012-MA002>024-501>504-CTZ002>004-RIZALL-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 230 PM EDT WED JUL 9 1997 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM FOR ALL OF CONNECTICUT...ALL OF RHODE ISLAND...AND ALL OF MASSACHUSETTS EXCEPT CAPE COD AND THE ISLANDS... ...FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT FOR WESTERN AND CENTRAL MASSACHUSETTS AND CHESHIRE AND HILLSBOROUGH COUNTIES IN NEW HAMPSHIRE... AS OF 230 PM...THUNDERSTORMS WERE MOVING INTO THE EASTERN SLOPES OF THE BERKSHIRES AND SOUTHERN NEW HAMPSHIRE. THEY WILL CONTINUE AN EASTWARD TRACK INTO CENTRAL MASSACHUSETTS AND NORTHERN CONNECTICUT AFTER 3 PM...AND INTO EASTERN MASSACHUSETTS AND RHODE ISLAND AFTER 4 PM. SOME OF THESE STORMS WILL PRODUCE LARGE HAIL...DAMAGING WIND GUSTS TO 80 MPH...AND TORRENTIAL RAIN. AN ISOLATED TORNADO IS ALSO POSSIBLE WITH THESE STORMS. STAY TUNED TO YOUR FAVORITE RADIO OR TELEVISION STATIONS OR LIxSTEN TO NOAA WEATHER RADIO FOR WARNINGS THAT THE NATIONAL WEATHER SERVICE MAY ISSUE ON THIS DANGEROUS WEATHER SITUATION. JL
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 2:42 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 63 min |
| Jul 9, 3:28 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 62 min |
| Jul 9, 3:41 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 64 min |
| Jul 9, 3:52 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 68 min |
| Jul 9, 4:11 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 64 min |
| Jul 9, 4:35 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 55 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 1997Every severe thunderstorm warning in 1997
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.