Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 38, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 7, 1997, 3:41 PM EDT for Norfolk County, Plymouth County, Massachusetts. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1997, 3:41 PM EDT (19:41 UTC)
- Expired
- Jul 7, 1997, 4:45 PM EDT
- In force
- 64 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
Counties Norfolk County, MA, Plymouth County, MA
The radar
The Boston radar (KBOX), 20 km from the middle of the area, began a volume at 19:43 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
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 7, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 7.7 hours before the alert went out and 94 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
- 19 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1460 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBOS 071940 RRA SVRBOS MAC021-023-072045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 341 PM EDT MON JUL 7 1997 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST MASSACHUSETTS ...EASTERN NORFOLK COUNTY AND THE ADJACENT COASTAL WATERS. IN SOUTHEAST MASSACHUSETTS ...NORTHERN PLYMOUTH COUNTY AND THE ADJACENT COASTAL WATERS. AT 340 PM...WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS CONTINUING TO MOVE THROUGH EASTERN NORFOLK COUNTY. THESE STORMS WILL MOVE EAST ACROSS EASTERN NORFOLK COUNTY...AND NORTHERN PLYMOUTH COUNTY THROUGH AFFECTING AN AREA FROM CANTON EAST THROUGH HINGHAM AND COHASSET BY 430 PM. DIME SIZE HAIL HAS BEEN REPORTED WITH THESE STORMS ALONG WITH WIND GUSTS TO 45 MPH. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. DRV/EVT &
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 7, 12:52 PM EDT, 2 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
1252 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA 0.75 INCH HAIL
07/07/97 HAMPSHIRE CONTINUING THROUGH 1240 PM
JLLocal storm report, Jul 7, 12:53 PM EDT, 2 hours 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
1252 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA 0.75 INCH HAIL
07/07/97 HAMPSHIRE CONTINUING THROUGH 1240 PM
JLLocal storm report, Jul 7, 2:51 PM EDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
251 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA .75 INCH HAIL
07/07/97 HAMPSHIRE CONTINUING THROUGH 1240 PM
0220 PM RICHMOND NH LIGHTNING
07/07/97 CHESHIRE *** 1 INJ ***
PERSON STRUCK BY LIGHTNING
0240 PM NORTHBRIDGE MA .75 INCH HAIL
07/07/97 WORCESTER PER SKYWARN SPOTTER
0243 PM UPTON MA .88 INCH HAIL
07/07/97 WORCESTER PER UPTON POLICE DEPT
JLLocal storm report, Jul 7, 2:55 PM EDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
251 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA .75 INCH HAIL
07/07/97 HAMPSHIRE CONTINUING THROUGH 1240 PM
0220 PM RICHMOND NH LIGHTNING
07/07/97 CHESHIRE *** 1 INJ ***
PERSON STRUCK BY LIGHTNING
0240 PM NORTHBRIDGE MA .75 INCH HAIL
07/07/97 WORCESTER PER SKYWARN SPOTTER
0243 PM UPTON MA .88 INCH HAIL
07/07/97 lWORCESTER PER UPTON POLICE DEPT
JLLocal storm report, Jul 7, 3:15 PM EDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
315 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA .75 INCH HAIL
07/07/97 HAMPSHIRE CONTINUING THROUGH 1240 PM
0220 PM RICHMOND NH LIGHTNING
07/07/97 CHESHIRE *** 1 INJ ***
PERSON STRUCK BY LIGHTNING
0240 PM NORTHBRIDGE MA .75 INCH HAIL
07/07/97 WORCESTER PER SKYWARN SPOTTER
0243 PM UPTON MA .88 INCH HAIL
07/07/97 WORCESTER PER UPTON POLICE DEPT
0253 PM NORFOLK MA .75 INCH HAIL
07/07/97 NORFOLK PER NORFOLK POLICE DEPT
0310 PM WALPOLE MA .75 INCH HAIL
07/07/97 NORFOLK PER HAM RADIO NETWORK
JLLocal storm report, Jul 7, 3:17 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
315 PM EDT MON JUL 7 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1226 PM SOUTH HADLEY MA .75 INCH HAIL
07/07/97 HAMPSHIRE CONTINUING THROUGH 1240 PM
0220 PM RICHMOND NH LIGHTNING
07/07/97 CHESHIRE *** 1 INJ ***
PERSON STRUCK BY LIGHTNING
0240 PM NORTHBRIDGE MA .75 INCH HAIL
07/07/97 WORCESTER PER SKYWARN SPOTTER
0243 PM UPTON MA .88 INCH HAIL
07/07/97 WORCESTER PER UPTON POLICE DEPT
0253 PM NORFOLK MA .75 INCH HAIL
07/07/97 NORFOLK PER NORFOLK POLICE DEPT
0310 PM WALPOLE MA .75 INCH HAIL
07/07/97 NORFOLK PER HAM RADIO NETWORK
JLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 12:30 PM EDT | Severe Thunderstorm Warning | BOX | Hampshire | 60 min |
| Jul 7, 12:40 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 65 min |
| Jul 7, 2:42 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Worcester | 63 min |
| Jul 7, 3:56 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.