Alert archive / Massachusetts / Tornado Warnings in 2006

Tornado Warning 1, NWS Boston/Norton, MA

July 11, 2006Essex County, Massachusetts

NWS Boston/Norton, MA issued this tornado warning at Jul 11, 2006, 2:56 PM EDT for Essex County, Massachusetts. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 11, 2006, 2:56 PM EDT (18:56 UTC)
Expired
Jul 11, 2006, 3:30 PM EDT
In force
34 min
Issued by
NWS Boston/Norton, MA
Area
Counties, with a storm outline in the text

County Essex County, MA

The radar

The Boston radar (KBOX), 85 km from the middle of the area, began a volume at 18:58 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 11, 12:16 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 6.9 hours before the alert went out and 135 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 2006-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 2006-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
12 J/kg
Mixed-layer CIN
-176 J/kg
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000
WFUS51 KBOX 111857
TORBOX
MAC009-111930-
/O.NEW.KBOX.TO.W.0001.060711T1856Z-060711T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
256 PM EDT TUE JUL 11 2006

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN ESSEX COUNTY IN EASTERN MASSACHUSETTS
  THIS INCLUDES THE CITY OF GLOUCESTER

* UNTIL 330 PM EDT

* AT 253 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR TOPSFIELD...OR ABOUT 7 MILES NORTHWEST OF BEVERLY...MOVING
  NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  IPSWICH BY 305 PM EDT
  ESSEX BY 310 PM EDT
  7 MILES NORTHWEST OF GLOUCESTER BY 320 PM EDT
  6 MILES NORTHWEST OF ROCKPORT BY 325 PM EDT

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4270 7108 4253 7099 4265 7050 4286 7061

$$

NBELK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 11:00 AM EDTSpecial Marine WarningBOX60 min
Jul 11, 1:10 PM EDTSevere Thunderstorm WarningBOXWorcester50 min
Jul 11, 1:15 PM EDTSevere Thunderstorm WarningBOXEssex30 min
Jul 11, 1:38 PM EDTSevere Thunderstorm WarningBOXMiddlesex52 min
Jul 11, 1:42 PM EDTSevere Thunderstorm WarningBOXEssex18 min
Jul 11, 2:37 PM EDTSevere Thunderstorm WarningBOXEssex38 min
Jul 11, 2:47 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Suffolk43 min
Jul 11, 2:48 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Worcester42 min
Jul 11, 2:58 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester47 min
Jul 11, 3:05 PM EDTSpecial Marine WarningBOX85 min
Jul 11, 3:30 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex23 days
Jul 11, 4:05 PM EDTSevere Thunderstorm WarningBOXHampshire, Worcester30 days
Jul 11, 4:24 PM EDTSpecial Marine WarningBOX96 min
Jul 11, 4:45 PM EDTSevere Thunderstorm WarningBOXHampshire, Worcester30 days
Jul 11, 5:59 PM EDTSpecial Marine WarningBOX61 min
Jul 11, 6:37 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester30 days

Nearby

Tornado Warnings in Massachusetts, 2006Every tornado warning in 2006Tornadoes in 2006

Sources

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