Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 89, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 12, 2016, 2:57 PM EDT for Hampden County, Hampshire County, Massachusetts. It was in force for 26 min. 5 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 12, 2016, 2:57 PM EDT (18:57 UTC)
- Expired
- Aug 12, 2016, 3:23 PM EDT
- In force
- 26 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hampden County, MA, Hampshire County, MA
The radar
The Boston radar (KBOX), 120 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 2:58 PM EDT | TSTM WND DMG | Southampton, MA | TREE DOWN ON COTTAGE STREET |
| Aug 12, 2:59 PM EDT | TSTM WND DMG | Montgomery, MA | TREE AND WIRES DOWN ON MAIN ROAD...NORTH ROAD...AND PITCHER STREET. WIRE ON FIRE AT MAIN ROAD AND PITCHER STREET. |
| Aug 12, 3:05 PM EDT | TSTM WND DMG | Southampton, MA | TREE DOWN ON WIRES AT 21 OLD COUNTY ROAD |
| Aug 12, 3:15 PM EDT | TSTM WND DMG | Westfield, MA | LARGE LIMB AND WIRES DOWN ON CYCLE STREET. |
| Aug 12, 3:15 PM EDT | TSTM WND DMG | Westfield, MA | TREE DOWN ON SHAKER ROAD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 7.0 hours before the alert went out and 119 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.
- Mixed-layer CAPE
- 159 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 919 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
502
WUUS51 KBOX 121857
SVRBOX
MAC013-015-121945-
/O.NEW.KBOX.SV.W.0089.160812T1857Z-160812T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
257 PM EDT FRI AUG 12 2016
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
CENTRAL HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 345 PM EDT
* AT 256 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM EASTHAMPTON TO NEAR SOUTHAMPTON TO NEAR
MONTGOMERY... MOVING SOUTHEAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
SPRINGFIELD...CHICOPEE...WESTFIELD...HOLYOKE...AGAWAM...
WEST SPRINGFIELD...LUDLOW...SOUTH HADLEY...EASTHAMPTON...
LONGMEADOW...EAST LONGMEADOW...BELCHERTOWN...WILBRAHAM...PALMER...
SOUTHWICK...MONSON...GRANBY...SOUTHAMPTON...HAMPDEN AND RUSSELL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A BUILDING. THESE STORMS MAY CAUSE SERIOUS INJURY
AND SIGNIFICANT PROPERTY DAMAGE.
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 4219 7234 4206 7243 4205 7274 4221 7290
4229 7266
TIME...MOT...LOC 1856Z 293DEG 21KT 4224 7269 4220 7276 4220 7281
HAIL...<.75IN
WIND...60MPH
$$
SIPPRELL2 follow-up statements
362
WWUS51 KBOX 121912
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
312 PM EDT FRI AUG 12 2016
MAC015-121922-
/O.CAN.KBOX.SV.W.0089.000000T0000Z-160812T1945Z/
HAMPSHIRE MA-
312 PM EDT FRI AUG 12 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HAMPSHIRE COUNTY
IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.
LAT...LON 4217 7273 4219 7270 4218 7269 4219 7269
4223 7262 4221 7260 4223 7246 4221 7240
4219 7239 4220 7236 4219 7234 4206 7243
4205 7274
TIME...MOT...LOC 1912Z 293DEG 21KT 4221 7258 4217 7265 4217 7270
$$
MAC013-121945-
/O.CON.KBOX.SV.W.0089.000000T0000Z-160812T1945Z/
HAMPDEN MA-
312 PM EDT FRI AUG 12 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR CENTRAL HAMPDEN COUNTY...
AT 312 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR CHICOPEE TO NEAR WEST SPRINGFIELD TO NEAR
WESTFIELD...MOVING SOUTHEAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
SPRINGFIELD...CHICOPEE...WESTFIELD...HOLYOKE...AGAWAM...
WEST SPRINGFIELD...LUDLOW...LONGMEADOW...EAST LONGMEADOW...
BELCHERTOWN...WILBRAHAM...PALMER...SOUTHWICK...MONSON...
GRANBY AND HAMPDEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 4217 7273 4219 7270 4218 7269 4219 7269
4223 7262 4221 7260 4223 7246 4221 7240
4219 7239 4220 7236 4219 7234 4206 7243
4205 7274
TIME...MOT...LOC 1912Z 293DEG 21KT 4221 7258 4217 7265 4217 7270
HAIL...<.75IN
WIND...60MPH
$$
SIPPRELL359
WWUS51 KBOX 121923
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
323 PM EDT FRI AUG 12 2016
MAC013-121933-
/O.CAN.KBOX.SV.W.0089.000000T0000Z-160812T1945Z/
HAMPDEN MA-
323 PM EDT FRI AUG 12 2016
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HAMPDEN COUNTY IS
CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.
LAT...LON 4217 7273 4219 7270 4218 7269 4219 7269
4223 7262 4221 7260 4223 7246 4221 7240
4219 7239 4220 7236 4219 7234 4206 7243
4205 7274
TIME...MOT...LOC 1921Z 293DEG 21KT 4219 7251 4215 7258 4215 7263
$$
SIPPRELLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 1:54 PM EDT | Special Weather Statement | BOX | Hampden | 51 min |
| Aug 12, 2:22 PM EDT | Excessive Heat Warning | BOX | Essex, Middlesex, Norfolk, Suffolk | 5 hr |
| Aug 12, 2:32 PM EDT | Special Weather Statement | BOX | Hampden, Hampshire | 43 min |
| Aug 12, 2:39 PM EDT | Special Weather Statement | BOX | Worcester | 51 min |
| Aug 12, 2:51 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 39 min |
| Aug 12, 3:22 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 53 min |
| Aug 12, 3:56 PM EDT | Special Weather Statement | BOX | Middlesex | 49 min |
| Aug 12, 4:28 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 47 min |
| Aug 12, 5:17 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 43 min |
| Aug 12, 5:18 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 42 min |
| Aug 12, 5:33 PM EDT | Special Marine Warning | BOX | 57 min | |
| Aug 12, 5:51 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 54 min |
| Aug 12, 6:01 PM EDT | Special Marine Warning | BOX | 59 min | |
| Aug 12, 7:06 PM EDT | Heat Advisory | BOX | Hampden, Hampshire, Worcester | 24 hr |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2016Every severe thunderstorm warning 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.