Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 9, NWS Boston/Norton, MA

June 13, 2005Franklin County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 13, 2005, 3:42 PM EDT for Franklin County, Massachusetts. It was in force for 48 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: Jun 13, 2005, 3:42 PM EDT (19:42 UTC)
Expired: Jun 13, 2005, 4:30 PM EDT
In force: 48 min
Issued by: NWS Boston/Norton, MA
Area: Counties, with a storm outline in the text

County Franklin County, MA

The radar

The Albany radar (KENX), 129 km from the middle of the area, began a volume at 19:45 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 nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.7 hours before the alert went out and 109 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: 188 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 845 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBOX 131942
SVRBOX
MAC011-132030-
/O.NEW.KBOX.SV.W.0009.050613T1942Z-050613T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
342 PM EDT MON JUN 13 2005

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL FRANKLIN COUNTY IN WESTERN MASSACHUSETTS

* UNTIL 430 PM EDT

* AT 339 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR NORTHFIELD...OR ABOUT 10
  MILES NORTHEAST OF GREENFIELD...AND MOVING SOUTHEAST AT 10 MPH.
  THE STORM MAY ALSO CONTAIN DIME SIZE HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTHFIELD BY 350 PM EDT

LAT...LON 4280 7253 4272 7263 4265 7242 4270 7238

$$

FRANK

2 follow-up statements

000 
WWUS51 KBOX 131951
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
351 PM EDT MON JUN 13 2005

MAC011-132030-
/O.CON.KBOX.SV.W.0009.000000T0000Z-050613T2030Z/
FRANKLIN MA-
351 PM EDT MON JUN 13 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 430 PM EDT FOR NORTH
CENTRAL FRANKLIN COUNTY...

AT 348 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DIME SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
NORTHFIELD...OR ABOUT 10 MILES NORTHEAST OF GREENFIELD...MOVING
SOUTHEAST AT 10 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTHFIELD BY 400 PM EDT

THIS STORM IS ALSO PRODUCING TORRENTIAL RAINFALL WHICH WILL RESULT 
IN POOR DRAINAGE STREET FLOODING.

IN ADDITION TO HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND 
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY 
LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU 
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

LAT...LON 4273 7253 4270 7259 4264 7244 4271 7241

$$

FRANK

000 
WWUS51 KBOX 132029
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
428 PM EDT MON JUN 13 2005

MAC011-132038-
/O.EXP.KBOX.SV.W.0009.000000T0000Z-050613T2030Z/
FRANKLIN MA-
428 PM EDT MON JUN 13 2005

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL FRANKLIN COUNTY 
WILL EXPIRE AT 430 PM EDT...

DOPPLER RADAR INDICATED THAT THE THUNDERSTORM HAD WEAKENED BELOW 
SEVERE LIMITS. HOWEVER...THE STORM WAS STILL CAPABLE OF PRODUCING 
DANGEROUS CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL.

LAT...LON 4273 7253 4270 7259 4264 7244 4271 7241

$$

FRANK

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2005 Every severe thunderstorm warning in 2005

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.