Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 7, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 29, 1998, 5:21 PM EDT for Franklin County, Massachusetts. It was in force for 29 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
- May 29, 1998, 5:21 PM EDT (21:21 UTC)
- Expired
- May 29, 1998, 5:50 PM EDT
- In force
- 29 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Franklin County, MA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 5:45 PM EDT | Thunderstorm Wind 50 | Montague, 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 |
|---|---|---|---|
| May 29, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 9.4 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
- 9 J/kg
- Mixed-layer CIN
- -198 J/kg
- Mixed-layer LCL
- 1241 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 75 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 292121 RRA SVRBOS MAC011-292150- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 521 PM EDT FRI MAY 29 1998 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL AND EASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS * UNTIL 550 PM EDT * AT 517 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS MOVING THROUGH WESTERN MASSACHUSETTS... MOVING EAST TO SOUTHEAST AT 30 TO 35 MPH.. * TOWNS IN/NEAR THE PATH OF THIS STORM INCLUDE... SHELBURNE...CONWAY...LEYDER...DEERFIELD AND GREENFIELD THERE HAS BEEN A REPORT OF TREES AND WIRES DOWN IN CHARLEMONT AT 505 PM. SEVERE THUNDERSTORMS PRODUCE WINDS STRONG ENOUGH TO KNOCK DOWN TREES AND POWER LINES. MOVE INDOORS AND STAY AWAY FROM WINDOWS. & DRAG
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 5:14 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 31 min |
| May 29, 5:44 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 46 min |
| May 29, 5:49 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 46 min |
| May 29, 6:03 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 42 min |
| May 29, 6:33 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex, Worcester | 62 min |
| May 29, 7:01 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Norfolk, Suffolk | 44 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 1998Every severe thunderstorm warning in 1998
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.