Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 59, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 17, 1997, 7:53 PM EDT for Franklin County, Hampshire County, Massachusetts. It was in force for 67 min. 2 reports 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 17, 1997, 7:53 PM EDT (23:53 UTC)
- Expired
- Jul 17, 1997, 9:00 PM EDT
- In force
- 67 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 17, 7:55 PM EDT | Thunderstorm Wind 50 | Northfield, MA | |
| Jul 17, 7:55 PM EDT | Thunderstorm Wind 50 | Orange, 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 17, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 11.9 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
- 74 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 74 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 172354 RRA SVRBOS MAC011-015-180100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 753 PM EDT THU JUL 17 1997 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST MASSACHUSETTS ...EASTERN FRANKLIN COUNTY...EASTERN HAMPSHIRE COUNTY AT 752 PM EDT WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS MOVING THROUGH FRANKLIN AND HAMPSHIRE COUNTIES. THESE STORMS WERE MOVING EAST-SOUTHEAST AT 30 TO 35 MPH. 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. DCY/MAG/RMT
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.