Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 49, NWS Boston/Norton, MA

June 27, 2000Bristol County, Plymouth County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 27, 2000, 4:22 PM EDT for Bristol County, Plymouth County, Massachusetts. It was in force for 38 min. 3 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: Jun 27, 2000, 4:22 PM EDT (20:22 UTC)
Expired: Jun 27, 2000, 5:00 PM EDT
In force: 38 min
Issued by: NWS Boston/Norton, MA
Area: Whole counties

Counties Bristol County, MA, Plymouth County, MA

The radar

The Boston radar (KBOX), 21 km from the middle of the area, began a volume at 20:17 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
Jun 27, 4:25 PM EDT	Hail 0.75	Taunton, MA
Jun 27, 4:28 PM EDT	Hail 0.75	West Bridgewater, MA
Jun 27, 4:51 PM EDT	Thunderstorm Wind 50 E	Whitman, 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
Jun 27, 2:15 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 8.4 hours before the alert went out and 81 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 522 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 979 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

078 
WUUS51 KBOX 272023
SVRBOS
MAC005-023-272100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
422 PM EDT TUE JUN 27 2000

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS
    INCLUDING TAUNTON
  WEST CENTRAL PLYMOUTH COUNTY IN SOUTHEAST MASSACHUSETTS

* UNTIL 500 PM EDT.

* AT 417 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NORTON...OR ABOUT 5 MILES EAST OF
  ATTLEBOROUGH...MOVING EAST-NORTHEAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING AREA INCLUDE WHITMAN...WEST
  BRIDGEWATER...ROCKLAND...RAYNHAM...MIDDLEBOROUGH...HALIFAX...
  EASTON...EAST BRIDGEWATER AND BRIDGEWATER.

SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND/OR WIND STRONG ENOUGH TO
KNOCK DOWN TREES AND POWER LINES. MOVE INDOORS AND STAY AWAY FROM
WINDOWS.

$$

RT/GF

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 1:53 PM EDT	Severe Thunderstorm Warning	BOX	Essex	52 min
Jun 27, 2:52 PM EDT	Severe Thunderstorm Warning	BOX	Norfolk, Suffolk	38 min
Jun 27, 3:04 PM EDT	Severe Thunderstorm Warning	BOX	Plymouth	41 min
Jun 27, 3:33 PM EDT	Severe Thunderstorm Warning	BOX	Norfolk, Worcester	42 min
Jun 27, 3:52 PM EDT	Severe Thunderstorm Warning	BOX	Norfolk, Plymouth	38 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2000 Every severe thunderstorm warning in 2000

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.