Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 31, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 8, 1996, 6:06 PM EDT for Middlesex County, Massachusetts. It was in force for 69 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 8, 1996, 6:06 PM EDT (22:06 UTC)
- Expired
- Jul 8, 1996, 7:15 PM EDT
- In force
- 69 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Middlesex County, MA
The radar
The Boston radar (KBOX), 63 km from the middle of the area, began a volume at 22:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 8, 6:17 PM EDT | Thunderstorm Wind 50 | Ayer, MA | |
| Jul 8, 6:20 PM EDT | Thunderstorm Wind 50 | Littleton, 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 nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 10.1 hours before the alert went out and 148 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
- 81 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 80 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 082206 SVRBOS MAC017-082315- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 606 PM EDT MON JUL 8 1996 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN MASSACHUSETTS ...NORTHERN MIDDLESEX COUNTY AT 603 PM...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN LUNENBURG AND WESTERN SHIRLEY. THIS STORM WILL MOVE EAST AT 30 MPH AND WILL MOVE ACROSS NORTHERN MIDDLESEX COUNTY FROM AYER EAST ACROSS CARLISLE AND BEDFORD THROUGH 630 PM. LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE WITH THIS STORM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER CO VERS THE ROAD. DRV/RMT
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 3:35 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 40 min |
| Jul 8, 3:45 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 45 min |
| Jul 8, 4:09 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 66 min |
| Jul 8, 5:39 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 51 min |
| Jul 8, 7:11 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 49 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.