Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 45, NWS Boston/Norton, MA

June 27, 2000Norfolk County, Suffolk County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 27, 2000, 2:52 PM EDT for Norfolk County, Suffolk County, Massachusetts. It was in force for 38 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
Jun 27, 2000, 2:52 PM EDT (18:52 UTC)
Expired
Jun 27, 2000, 3:30 PM EDT
In force
38 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Norfolk County, MA, Suffolk County, MA

The radar

The Boston radar (KBOX), 34 km from the middle of the area, began a volume at 18:52 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

TimeReportWhereRemark
Jun 27, 3:20 PM EDTThunderstorm Wind 50 EDorchester, MA
Jun 27, 3:21 PM EDTHail 1Quincy, 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.

IssuedProductOfficeLasted
Jun 27, 2:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 6.9 hours before the alert went out and 116 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-pSkew-T log-p diagram, Chatham, MA at 12:00Z on 2000-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 522 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2000-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

000 
WUUS51 KBOX 271856 COR
SVRBOS
MAC021-025-271930-

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

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN NORFOLK COUNTY IN EASTERN MASSACHUSETTS
    INCLUDING BROOKLINE...QUINCY
  SOUTHERN SUFFOLK COUNTY IN EASTERN MASSACHUSETTS
    INCLUDING BOSTON

* UNTIL 330 PM EDT.

* AT 250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM NEAR BROOKLINE...MOVING EAST AT 30 MPH.

. THIS STORM WILL MOVE ACROSS QUINCY BETWEEN 3 AND 330 PM.

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

$$

CORRECTED TIME FOR MOVEMENT ACROSS QUINCY
RT/GF

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.

NWS Boston/Norton, MA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 9:50 AM EDT, 5 hours 2 minutes earlier.

Area forecast discussion, Jun 27, 9:50 AM EDT, 5 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
950 AM EDT TUE JUN 27 2000

SFC FNT SETS BTWN UCA AND ALB AND CLDS EXTND BAC FM BDL TO ERI
LEAVING E MA IN STGST SUN. WE SEE NO PVA TDA BUT SOM VVM ON
AVN ACRS CWA 18-22Z. MOR 70 DEG DWPTS AS YSTDY AND SPC SHOWS
CHC SVR SO WE AWAIT AFTN HTNG AND TRW. FNT SHUD ONLY MAKE IT ACK TO
VIRGINIA BY WED MORN SO LK FOR SLO IMPVMT OVRNGT. WED MAY HAV SML
WV WHICH BRNGS PRECIP TO CAPE AND CLDS TO OTHER AREAS BUT CURRENT
FCST WL CONT DRY. JUNE SYNOPTICS TYPICALLY GET NEBULOUS. BY THU RH
DRIES OUT AND VRY WK HI WL BRING CLRG AND EXTNSV CBREEZES.

.BOX...SCA ALL MARINE ZONES.

THF

In the hours before

Local storm report, Jun 27, 2:48 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
248 PM EDT TUE JUN 27 2000

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0215 PM    LINCOLN                   MA   WIND DAMAGE
06/27/00   MIDDLESEX                      8-10 INCH DIAMETER TREES
                                          DOWN PER AMATEUR RADIO.

0218 PM    WOBURN                    MA   WIND DAMAGE
06/27/00   MIDDLESEX                      WIRES DOWN PER AMATEUR
                                          RADIO.

0225 PM    GEORGETOWN                MA   WIND DAMAGE
06/27/00   ESSEX                          TREE DOWN BLOCKING RT 97
                                          PER AMATEUR RADIO.

0236 PM    WENHAM                    MA   WIND DAMAGE
06/27/00   ESSEX                          8-10 INCH DIAMTER TREES
  3                                        DOWN PER AMATEUR RADIO.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:53 PM EDTSevere Thunderstorm WarningBOXEssex52 min
Jun 27, 3:04 PM EDTSevere Thunderstorm WarningBOXPlymouth41 min
Jun 27, 3:33 PM EDTSevere Thunderstorm WarningBOXNorfolk, Worcester42 min
Jun 27, 3:52 PM EDTSevere Thunderstorm WarningBOXNorfolk, Plymouth38 min
Jun 27, 4:22 PM EDTSevere Thunderstorm WarningBOXBristol, Plymouth38 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2000Every 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.