Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 55, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 20, 1998, 4:15 PM EDT for Franklin County, Massachusetts. It was in force for 50 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
- Jun 20, 1998, 4:15 PM EDT (20:15 UTC)
- Expired
- Jun 20, 1998, 5:05 PM EDT
- In force
- 50 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Franklin County, MA
The radar
The Albany radar (KENX), 121 km from the middle of the area, began a volume at 20:16 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 |
|---|---|---|---|
| Jun 20, 4:20 PM EDT | Hail 0.75 | Wendell, 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
Albany, NY (KALY), launched 12:00Z, 8.3 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
- 500 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
588 WUUS1 KBOS 202016 SVRBOS MAC011-202105- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 415 PM EDT SAT JUN 20 1998 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS * UNTIL 505 PM EDT * AT 412 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WARWICK AND ORANGE WITH A SECOND STORM LOCATED IN SHUTESBURY.... MOVING SOUTH AT 10 MPH. * TOWNS IN/NEAR THE PATH OF THIS STORM INCLUDE... TOWNS IN THE PATHS INCLUDE NEW SALEM AND WENDELL THUNDERSTORMS IN THE REGION TODAY HAVE HAD A HISTORY OF PRODUCING LARGE HAIL. THIS THUNDERSTORM IS CAPABLE OF PRODUCING BOTH DAMAGING WINDS AND HAIL LARGE ENOUGH TO CAUSE SERIOUS INJURY AND SMASHED WINDOWS. VALLEE/LEE
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, Jun 20, 3:01 PM EDT, 1 hour 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
301 PM EDT SAT JUN 20 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0215 PM SCOTLAND CT .88 INCH HAIL
06/20/98 WINDHAM REPORT PER SKYWARN SPOTTER
0219 PM WINDHAM CT 1 INCH HAIL
06/20/98 WINDHAM REPORT PER SKYWARN SPOTTERThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 3:24 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 61 min |
| Jun 20, 3:25 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 35 min |
| Jun 20, 4:13 PM EDT | Flash Flood Warning | BOX | Franklin | 2 hr |
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; radar from the NEXRAD Level II archive.