Alert archive / Massachusetts / Tornado Warnings in 2007

Tornado Warning 3, NWS Boston/Norton, MA

June 2, 2007Essex County, Massachusetts

NWS Boston/Norton, MA issued this tornado warning at Jun 2, 2007, 7:18 PM EDT for Essex County, Massachusetts. It was in force for 12 min. 2 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: Jun 2, 2007, 7:18 PM EDT (23:18 UTC)
Expired: Jun 2, 2007, 7:30 PM EDT
In force: 12 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), 87 km from the middle of the area, began a volume at 23:20 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 2, 7:40 PM EDT	TSTM WND DMG	Rowley, MA	LARGE LIMBS DOWN EAST OF ROUTE 1
Jun 2, 7:40 PM EDT	HAIL 1	Rowley, MA

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

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 2, 1:50 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 11.3 hours before the alert went out and 132 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: 14 J/kg
Mixed-layer CIN: -213 J/kg
Mixed-layer LCL: 1685 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 66 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
WFUS51 KBOX 022318
TORBOX
MAC009-022330-
/O.NEW.KBOX.TO.W.0003.070602T2318Z-070602T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
718 PM EDT SAT JUN 2 2007

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL ESSEX COUNTY IN EASTERN MASSACHUSETTS...

* UNTIL 730 PM EDT

* AT 716 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR ROWLEY...OR
  ABOUT 6 MILES SOUTH OF NEWBURYPORT...MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  IPSWICH BY 725 PM EDT...

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
SATURDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND.

LAT...LON 4265 7071 4272 7099 4277 7095 4276 7080
      4269 7078 4268 7075 4267 7070 4266 7070

$$

BELK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 4:48 PM EDT	Special Marine Warning	BOX		27 min
Jun 2, 5:25 PM EDT	Special Marine Warning	BOX		65 min
Jun 2, 5:30 PM EDT	Special Marine Warning	BOX		30 min
Jun 2, 5:35 PM EDT	Severe Thunderstorm Warning	BOX	Plymouth	25 min
Jun 2, 6:18 PM EDT	Special Marine Warning	BOX		27 min
Jun 2, 6:22 PM EDT	Severe Thunderstorm Warning	BOX	Plymouth	8 min
Jun 2, 6:40 PM EDT	Severe Thunderstorm Warning	BOX	Essex	35 min
Jun 2, 6:54 PM EDT	Tornado Warning	BOX	Essex	21 min
Jun 2, 7:01 PM EDT	Special Marine Warning	BOX		29 min
Jun 2, 7:14 PM EDT	Severe Thunderstorm Warning	BOX	Essex	31 min
Jun 2, 7:33 PM EDT	Special Marine Warning	BOX		57 min
Jun 2, 7:39 PM EDT	Severe Thunderstorm Warning	BOX	Essex	36 min

Nearby

Tornado Warnings in Massachusetts, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.