Severe Thunderstorm Warning 110, NWS Boston/Norton, MA

Issued

Aug 19, 2011, 3:29 PM EDT (19:29 UTC)

Expired

Aug 19, 2011, 4:05 PM EDT

In force

36 min

Issued by

NWS Boston/Norton, MA

Area

Storm-based polygon

County Middlesex County, MA

The Boston radar (KBOX), 65 km from the middle of the area, began a volume at 19:30 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.

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

884 
WUUS51 KBOX 191929
SVRBOX
MAC017-192015-
/O.NEW.KBOX.SV.W.0110.110819T1929Z-110819T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
329 PM EDT FRI AUG 19 2011

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MIDDLESEX COUNTY IN SOUTHEAST MASSACHUSETTS...

* UNTIL 415 PM EDT

* AT 326 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  HUDSON...OR 7 MILES NORTHWEST OF FRAMINGHAM...AND WAS MOVING NORTH
  AT 20 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...STOW...MAYNARD...ACTON...
  BOXBOROUGH...LITTLETON...AYER...CARLISLE AND WESTFORD.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL...AS WELL
AS DEADLY LIGHTNING AND TORRENTIAL RAIN. GET TO SAFE SHELTER NOW...
INSIDE A STURDY BUILDING OR IN A VEHICLE. DO NOT SEEK SHELTER UNDER
TREES. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING. DRIVERS SHOULD BE ALERT FOR PONDING OF WATER AND AVOID
FLOODED ROADS.

&&

LAT...LON 4257 7129 4241 7140 4234 7150 4237 7160
      4239 7158 4240 7160 4242 7156 4247 7155
      4248 7156 4252 7153 4254 7154 4255 7159
      4261 7158
TIME...MOT...LOC 1929Z 195DEG 16KT 4238 7155

$$

SIPPRELL

001 
WWUS51 KBOX 191946
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
346 PM EDT FRI AUG 19 2011

MAC017-192015-
/O.CON.KBOX.SV.W.0110.000000T0000Z-110819T2015Z/
MIDDLESEX MA-
346 PM EDT FRI AUG 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR CENTRAL MIDDLESEX COUNTY...

AT 343 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR STOW...OR 10 MILES NORTHWEST OF FRAMINGHAM...MOVING
NORTH AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ACTON...BOXBOROUGH...LITTLETON...AYER...CARLISLE...WESTFORD AND
GROTON

LAT...LON 4257 7129 4243 7139 4241 7149 4241 7154
      4241 7156 4245 7155 4248 7156 4252 7153
      4254 7154 4255 7159 4261 7158
TIME...MOT...LOC 1946Z 195DEG 16KT 4245 7152

$$

SIPPRELL

480 
WWUS51 KBOX 192005
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
405 PM EDT FRI AUG 19 2011

MAC017-192014-
/O.CAN.KBOX.SV.W.0110.000000T0000Z-110819T2015Z/
MIDDLESEX MA-
405 PM EDT FRI AUG 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MIDDLESEX COUNTY IS
CANCELLED...

THE STORM HAS MOVED OUT OF THE WARNED AREA. A SEVERE THUNDERSTORM 
WARNING CONTINUES UNTIL 445 PM FOR NORTH-CENTRAL MIDDLESEX AND 
WEST-CENTRAL ESSEX COUNTY IN MASSACHUSETTS...AND SOUTHEASTERN 
HILLSBOROUGH COUNTY IN NEW HAMPSHIRE.

LAT...LON 4257 7129 4243 7139 4241 7149 4241 7154
      4241 7156 4245 7155 4248 7156 4252 7153
      4254 7154 4255 7159 4261 7158
TIME...MOT...LOC 2004Z 195DEG 16KT 4253 7149

$$

SIPPRELL

Severe Thunderstorm Warnings in Massachusetts, 2011Every severe thunderstorm warning in 2011

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.