Alert archive / Massachusetts / Tornado Warnings in 2016

Tornado Warning 2, NWS Boston/Norton, MA

August 22, 2016Middlesex County, Massachusetts

NWS Boston/Norton, MA issued this tornado warning at Aug 22, 2016, 3:24 AM EDT for Middlesex County, Massachusetts. It was in force for 36 min. 13 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 22, 2016, 3:24 AM EDT (07:24 UTC)
Expired
Aug 22, 2016, 4:00 AM EDT
In force
36 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Middlesex County, MA

The radar

The Boston radar (KBOX), 65 km from the middle of the area, began a volume at 07:28 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
Aug 22, 3:25 AM EDTTORNADOConcord, MAMULTIPLE TREES... WIRES AND UTILITY POLES DOWN ON LEXINGTON RD... ALCOTT RD... OLD BEDFORD RD... VIRGINIA RD... EDMONDS RD... INDEPENDENCE LANE...CAMBRIDGE TURNPIKE... HAWTHORNE LANE
Aug 22, 3:29 AM EDTTSTM WND DMGConcord, MA300-600 BLOCK OF LEXINGTON RD- TREES... WIRES... UTILITY POLES DOWN... ONE TREE LIMB THROUGH WINDOW OF A HOME... ANOTHER ON ROOF OF A HOME
Aug 22, 3:29 AM EDTTSTM WND DMGConcord, MAMULTIPLE TREES AND POWERLINES DOWN ON MULTIPLE HOMES...LEXINGTON RD. ROAD COMPLETELY BLOCKED.
Aug 22, 3:29 AM EDTTSTM WND DMGConcord, MAMULTIPLE TREES... WIRES AND UTILITY POLES DOWN ON LEXINGTON RD... ALCOTT RD... OLD BEDFORD RD... VIRGINIA RD... EDMONDS RD... INDEPENDECNE LANE...CAMBRDIGE TURNPIKE... HAWTHORNE LANE
Aug 22, 3:29 AM EDTTSTM WND DMGConcord, MATREE DOWN ON BAKER AVE BLOCKING RD
Aug 22, 3:30 AM EDTTSTM WND DMGConcord, MATREES DOWN ON MERRIAM RD NEAR RIPLEY SCHOOL.
Aug 22, 3:44 AM EDTTSTM WND DMGWoburn, MALARGE TREE LIMB BLOCKING WASHINGTON ST... BIG ENOUGH WHERE PD COULD NOT MOVE IT
Aug 22, 3:50 AM EDTTSTM WND DMGConcord, MATREES DOWN ON ALCOTT RD.
Aug 22, 3:59 AM EDTTSTM WND DMGConcord, MAALL TELEPHONE POLES KNOCKED DOWN FROM 204 INDEPENDENCE RD TO ALCROTT RD.
Aug 22, 3:59 AM EDTTSTM WND DMGConcord, MATOPS OF TREES SNAPPED ON LEXINGTON RD VICINITY OF ALCROTT AND INDEPENDENCE ROADS.
Aug 22, 3:59 AM EDTTSTM WND DMGConcord, MATREES DOWN ON INDEPENDENCE RD.
Aug 22, 3:59 AM EDTTSTM WND DMGConcord, MATREES DOWN ON MERRIAM RD NEAR RIPLEY SCHOOL.
Aug 22, 4:00 AM EDTTSTM WND DMGConcord, MATREES DOWN ON INDEPENDENCE RD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 7.4 hours before the alert went out and 141 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 00:00Z on 2016-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 138 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 00:00Z on 2016-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939Sfc1 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
138 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
565 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

681 
WFUS51 KBOX 220724
TORBOX
MAC017-220800-
/O.NEW.KBOX.TO.W.0002.160822T0724Z-160822T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
324 AM EDT MON AUG 22 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MIDDLESEX COUNTY IN NORTHEASTERN MASSACHUSETTS...

* UNTIL 400 AM EDT
    
* AT 323 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER BEDFORD...OR NEAR LEXINGTON...MOVING
  NORTHEAST AT 35 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  BILLERICA...WOBURN AND BURLINGTON AROUND 335 AM EDT. 
  TEWKSBURY AROUND 340 AM EDT. 
  WAKEFIELD...READING AND WILMINGTON AROUND 345 AM EDT. 
  NORTH READING AND LYNNFIELD AROUND 350 AM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4263 7124 4255 7107 4253 7107 4252 7106
      4242 7133 4251 7146
TIME...MOT...LOC 0723Z 231DEG 30KT 4249 7131 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

FRANK
2 follow-up statements
354 
WWUS51 KBOX 220736
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
336 AM EDT MON AUG 22 2016

MAC017-220800-
/O.CON.KBOX.TO.W.0002.000000T0000Z-160822T0800Z/
MIDDLESEX MA-
336 AM EDT MON AUG 22 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM EDT FOR
NORTHEASTERN MIDDLESEX COUNTY...
    
AT 335 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER BILLERICA...MOVING NORTHEAST AT 30 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. POWER OUTAGES AND SOME TREE
         DAMAGE REPORTED EARLIER IN MARLBOROUGH AND CONCORD, BUT
         EXTENT IS UNKNOWN AT THIS TIME.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  WILMINGTON AROUND 345 AM EDT. 
  READING AROUND 350 AM EDT. 
  NORTH READING AROUND 355 AM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4263 7124 4255 7107 4254 7110 4253 7112
      4250 7125 4258 7133
TIME...MOT...LOC 0735Z 241DEG 26KT 4255 7123 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

FRANK
151 
WWUS51 KBOX 220752
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
352 AM EDT MON AUG 22 2016

MAC017-220801-
/O.EXP.KBOX.TO.W.0002.000000T0000Z-160822T0800Z/
MIDDLESEX MA-
352 AM EDT MON AUG 22 2016

...THE TORNADO WARNING FOR NORTHEASTERN MIDDLESEX COUNTY WILL EXPIRE
AT 400 AM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4263 7124 4255 7107 4254 7110 4253 7112
      4250 7125 4258 7133
TIME...MOT...LOC 0750Z 231DEG 30KT 4255 7123 

$$

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 2:06 AM EDTSpecial Marine WarningBOX54 min
Aug 22, 2:51 AM EDTSevere Thunderstorm WarningBOXMiddlesex24 min
Aug 22, 2:58 AM EDTSpecial Marine WarningBOX32 min
Aug 22, 3:01 AM EDTTornado WarningBOXMiddlesex29 min
Aug 22, 3:15 AM EDTSpecial Marine WarningBOX60 min
Aug 22, 3:33 AM EDTSpecial Weather StatementBOXBristol, Norfolk, Plymouth, Suffolk42 min
Aug 22, 3:51 AM EDTSevere Thunderstorm WarningBOXEssex39 min
Aug 22, 3:54 AM EDTSevere Thunderstorm WarningBOXBristol, Norfolk, Plymouth38 min
Aug 22, 4:02 AM EDTSpecial Marine WarningBOX58 min
Aug 22, 4:06 AM EDTSpecial Weather StatementBOXBristol, Essex, Plymouth, Suffolk39 min
Aug 22, 4:09 AM EDTSpecial Marine WarningBOX66 min
Aug 22, 4:25 AM EDTSmall Craft AdvisoryBOX22 hr
Aug 22, 5:33 AM EDTSpecial Weather StatementBOXBarnstable, Nantucket27 min

Nearby

Tornado Warnings in Massachusetts, 2016Every tornado warning in 2016Tornadoes in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.