Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 28, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 3, 1997, 7:44 PM EDT for Franklin County, Hampshire County, Massachusetts. It was in force for 61 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 3, 1997, 7:44 PM EDT (23:44 UTC)
- Expired
- Jul 3, 1997, 8:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
Counties Franklin County, MA, Hampshire County, MA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 3, 7:45 PM EDT | Thunderstorm Wind 50 | Shutesbury, 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 3, 4:00 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 11.7 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
- 901 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBOS 032344 RRA SVRBOS MAC011-015-040045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 744 PM EDT THU JUL 3 1997 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST MASSACHUSETTS ...FRANKLIN COUNTY...HAMPSHIRE COUNTY AT 740 PM...WEATHER SERVICE DOPPLER RADAR DETECTED A LINE OF SEVERE THUNDERSTORMS FROM WORTHINGTON TO NORTHFIELD. THIS LINE WILL AFFECT HAMPSHIRE AND FRANKLIN COUNTIES THROUGH 845 PM. LARGE HAIL AND DAMAGING WINDS ARE LIKELY. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. DV/GF
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 5:45 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 30 min |
| Jul 3, 6:10 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 65 min |
| Jul 3, 6:17 PM EDT | Tornado Warning | BOX | Hampden | 58 min |
| Jul 3, 6:46 PM EDT | Tornado Warning | BOX | Franklin | 59 min |
| Jul 3, 6:48 PM EDT | Tornado Warning | BOX | Hampshire | 57 min |
| Jul 3, 7:02 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 43 min |
| Jul 3, 7:37 PM EDT | Tornado Warning | BOX | Worcester | 53 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.