Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 13, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 28, 2015, 4:48 PM EDT for 5 counties in Massachusetts. It was in force for 57 min. 1 report 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
- May 28, 2015, 4:48 PM EDT (20:48 UTC)
- Expired
- May 28, 2015, 5:45 PM EDT
- In force
- 57 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 90 km from the middle of the area, began a volume at 20:49 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 |
|---|---|---|---|
| May 28, 4:50 PM EDT | TSTM WND DMG | Ware, MA | LARGE TREE DOWN ON WARE BROOK DRIVE. |
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 |
|---|---|---|---|
| May 28, 11:54 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 8.8 hours before the alert went out and 147 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
- 153 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
695 WUUS51 KBOX 282048 SVRBOX MAC011-013-015-017-027-282145- /O.NEW.KBOX.SV.W.0013.150528T2048Z-150528T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 448 PM EDT THU MAY 28 2015 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS... EAST CENTRAL HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS... SOUTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS... CENTRAL MIDDLESEX COUNTY IN NORTHEASTERN MASSACHUSETTS... * UNTIL 545 PM EDT * AT 448 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER LUNENBURG...OR NEAR LEOMINSTER...AND WAS MOVING EAST AT 40 MPH. * SOME LOCATIONS IMPACTED INCLUDE... WORCESTER...FRAMINGHAM...CHICOPEE...LEOMINSTER...FITCHBURG... HOLYOKE...MARLBOROUGH...AMHERST...SHREWSBURY...WESTFORD...ACTON... LUDLOW...HUDSON...WESTBOROUGH...GRAFTON...SUDBURY...SOUTH HADLEY... HOLDEN...ASHLAND AND AUBURN. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INDOORS AND STAY AWAY FROM WINDOWS. DRIVERS SHOULD PREPARE FOR LOW VISIBILITY AND AVOID FLOODED ROADS. && LAT...LON 4219 7261 4242 7238 4270 7143 4222 7144 TIME...MOT...LOC 2048Z 258DEG 37KT 4256 7171 $$ FRANK
2 follow-up statements
900
WWUS51 KBOX 282115
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
515 PM EDT THU MAY 28 2015
MAC011-282124-
/O.CAN.KBOX.SV.W.0013.000000T0000Z-150528T2145Z/
FRANKLIN MA-
515 PM EDT THU MAY 28 2015
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FRANKLIN COUNTY
IS CANCELED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELED.
LAT...LON 4222 7144 4219 7261 4232 7235 4230 7236
4235 7229 4270 7143
TIME...MOT...LOC 2114Z 258DEG 37KT 4262 7135
$$
MAC013-015-017-027-282145-
/O.CON.KBOX.SV.W.0013.000000T0000Z-150528T2145Z/
HAMPSHIRE MA-HAMPDEN MA-WORCESTER MA-MIDDLESEX MA-
515 PM EDT THU MAY 28 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHEASTERN HAMPSHIRE...EAST CENTRAL HAMPDEN...CENTRAL WORCESTER
AND CENTRAL MIDDLESEX COUNTIES...
AT 514 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED OVER CHELMSFORD...MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
WORCESTER...FRAMINGHAM...CHICOPEE...LEOMINSTER...FITCHBURG...
MARLBOROUGH...SHREWSBURY...WESTFORD...ACTON...LUDLOW...HUDSON...
WESTBOROUGH...GRAFTON...SUDBURY...HOLDEN...ASHLAND...AUBURN...
HOPKINTON...BELCHERTOWN AND NORTHBOROUGH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL. GO
INSIDE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. DRIVERS SHOULD EXPECT POOR VISIBILITY AND AVOID FLOODED
ROADS.
&&
LAT...LON 4222 7144 4219 7261 4232 7235 4230 7236
4235 7229 4270 7143
TIME...MOT...LOC 2114Z 258DEG 37KT 4262 7135
$$
FRANK677
WWUS51 KBOX 282128
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
528 PM EDT THU MAY 28 2015
MAC013-015-017-027-282145-
/O.CON.KBOX.SV.W.0013.000000T0000Z-150528T2145Z/
HAMPSHIRE MA-HAMPDEN MA-WORCESTER MA-MIDDLESEX MA-
528 PM EDT THU MAY 28 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHEASTERN HAMPSHIRE...EAST CENTRAL HAMPDEN...CENTRAL WORCESTER
AND CENTRAL MIDDLESEX COUNTIES...
AT 527 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED OVER BOLTON...OR NEAR MARLBOROUGH...MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
WORCESTER...FRAMINGHAM...MARLBOROUGH...SHREWSBURY...WESTFORD...
ACTON...LUDLOW...HUDSON...WESTBOROUGH...GRAFTON...SUDBURY...HOLDEN...
ASHLAND...AUBURN...HOPKINTON...BELCHERTOWN...NORTHBOROUGH...
CLINTON...HOLLISTON AND MILLBURY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL. GO
INSIDE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. DRIVERS SHOULD EXPECT POOR VISIBILITY AND AVOID FLOODED
ROADS.
&&
LAT...LON 4219 7249 4231 7220 4234 7211 4239 7205
4241 7183 4270 7143 4222 7144
TIME...MOT...LOC 2127Z 260DEG 37KT 4243 7163
$$
FRANKThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 4:03 AM EDT | Small Craft Advisory | BOX | 18 hr | |
| May 28, 2:01 PM EDT | Special Weather Statement | BOX | Franklin | 29 min |
| May 28, 2:12 PM EDT | Special Weather Statement | BOX | Franklin | 48 min |
| May 28, 2:31 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 44 min |
| May 28, 2:44 PM EDT | Special Weather Statement | BOX | Hampshire | 46 min |
| May 28, 2:58 PM EDT | Special Weather Statement | BOX | Franklin | 47 min |
| May 28, 3:15 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 45 min |
| May 28, 3:28 PM EDT | Special Weather Statement | BOX | Hampshire | 47 min |
| May 28, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 46 min |
| May 28, 3:59 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 46 min |
| May 28, 4:03 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 27 min |
| May 28, 4:10 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 50 min |
| May 28, 4:45 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 45 min |
| May 28, 4:49 PM EDT | Special Marine Warning | BOX | 86 min | |
| May 28, 4:54 PM EDT | Special Weather Statement | BOX | Hampden | 51 min |
| May 28, 5:40 PM EDT | Severe Thunderstorm Warning | BOX | Essex | 35 min |
| May 28, 5:42 PM EDT | Special Marine Warning | BOX | 48 min | |
| May 28, 5:48 PM EDT | Special Weather Statement | BOX | Middlesex | 27 min |
| May 28, 5:56 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex, Suffolk | 49 min |
| May 28, 6:01 PM EDT | Special Marine Warning | BOX | 59 min | |
| May 28, 6:13 PM EDT | Special Weather Statement | BOX | Worcester | 32 min |
| May 28, 6:30 PM EDT | Special Weather Statement | BOX | Norfolk | 30 min |
| May 28, 6:55 PM EDT | Special Weather Statement | BOX | Suffolk | 35 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2015Every severe thunderstorm warning in 2015
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.