Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 113, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 6, 2014, 4:18 PM EDT for Hillsborough County, New Hampshire; Essex County, Middlesex County, Massachusetts. It was in force for 57 min. 13 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
- Sep 6, 2014, 4:18 PM EDT (20:18 UTC)
- Expired
- Sep 6, 2014, 5:15 PM EDT
- In force
- 57 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Essex County, MA, Middlesex County, MA, Hillsborough County, NH
The radar
The Boston radar (KBOX), 87 km from the middle of the area, began a volume at 20:18 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 |
|---|---|---|---|
| Sep 6, 4:37 PM EDT | TSTM WND DMG | Brookline, NH | LARGE LIMB DOWN AT SILVER BEACH |
| Sep 6, 4:40 PM EDT | TSTM WND DMG | Pelham, NH | TREE DOWN ON OLD BRIDGE AND BRIDGE ROADS... ALSO ON MARSH AND ALBERT STREET. |
| Sep 6, 4:43 PM EDT | TSTM WND DMG | Nashua, NH | TREES AND WIRES DOWN ON HARRIS ROAD AND JILL DRIVE |
| Sep 6, 4:45 PM EDT | TSTM WND DMG | Hudson, NH | TREES DOWN. EXACT LOCATIONS UKNOWN AT THIS TIME. |
| Sep 6, 4:57 PM EDT | TSTM WND DMG | Lowell, MA | TREE DOWN ON PERSON... INJURING LEG ON THE VFW PARKWAY AT AIKEN STREET IN THE BEAVER BROOK AREA |
| Sep 6, 4:57 PM EDT | TSTM WND DMG | Lowell, MA | TREES DOWN ON VFW PARKWAY WITH PERSON TRAPPED |
| Sep 6, 4:58 PM EDT | TSTM WND DMG | Dracut, MA | TREE AND POWER LINES DOWN ON HARLEM STREET |
| Sep 6, 4:58 PM EDT | HAIL 0.88 | Dracut, MA | |
| Sep 6, 5:00 PM EDT | TSTM WND DMG | Methuen, MA | LARGE TREE LIMBS DOWN ON OAK STREET |
| Sep 6, 5:00 PM EDT | TSTM WND DMG | Pepperell, MA | 6 IN DIAMETER LIMBS DOWN AND WIRES DOWN ON NASHUA RD AND DOW ST. |
| Sep 6, 5:03 PM EDT | TSTM WND DMG | Dracut, MA | TREE AND WIRES DOWN ON BRIDGE STREET |
| Sep 6, 5:20 PM EDT | TSTM WND DMG | Hollis, NH | TREES AND WIRES DOWN ON DOW ROAD |
| Sep 6, 5:20 PM EDT | TSTM WND DMG | Methuen, MA | MULTIPLE TREES DOWN ACROSS TOWN. |
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 |
|---|---|---|---|
| Sep 6, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 8.3 hours before the alert went out and 160 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
- 494 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 989 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
578
WUUS51 KBOX 062018
SVRBOX
MAC009-017-NHC011-062115-
/O.NEW.KBOX.SV.W.0113.140906T2018Z-140906T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
418 PM EDT SAT SEP 6 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN MIDDLESEX COUNTY IN NORTHEASTERN MASSACHUSETTS...
WEST CENTRAL ESSEX COUNTY IN NORTHEASTERN MASSACHUSETTS...
SOUTHEASTERN HILLSBOROUGH COUNTY IN SOUTHERN NEW HAMPSHIRE...
* UNTIL 515 PM EDT
* AT 417 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 ASHBY...AND WAS
MOVING EAST AT 35 MPH.
* SOME LOCATIONS IMPACTED INCLUDE...
LOWELL...NASHUA...LAWRENCE...METHUEN...BILLERICA...CHELMSFORD...
ANDOVER...DRACUT...TEWKSBURY...HUDSON...WESTFORD...PELHAM...
PEPPERELL...TYNGSBOROUGH...GROTON...TOWNSEND...HOLLIS...NEW
IPSWICH...BROOKLINE AND DUNSTABLE.
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.
WHILE NOT IMMEDIATELY LIKELY...A SHORT LIVED TORNADO IS POSSIBLE IN
ADDITION TO WIND DAMAGE. GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4259 7117 4267 7186 4269 7188 4275 7188
4277 7131 4276 7127 4274 7124 4275 7122
4274 7119 4277 7118
TIME...MOT...LOC 2017Z 273DEG 30KT 4269 7182
$$
JWDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 3:05 PM EDT | Special Weather Statement | BOX | Cheshire | 40 min |
| Sep 6, 3:08 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 31 min |
| Sep 6, 4:29 PM EDT | Tornado Warning | BOX | Hillsborough | 31 min |
| Sep 6, 4:59 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 61 min |
| Sep 6, 6:19 AM EDT | Small Craft Advisory | BOX | 13 hr | |
| Sep 6, 3:35 PM EDT | Special Weather Statement | BOX | Franklin | 40 min |
| Sep 6, 3:38 PM EDT | Special Weather Statement | BOX | Worcester | 52 min |
| Sep 6, 3:48 PM EDT | Special Weather Statement | BOX | Essex | 27 min |
| Sep 6, 3:52 PM EDT | Special Marine Warning | BOX | 53 min | |
| Sep 6, 4:00 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 60 min |
| Sep 6, 4:22 PM EDT | Tornado Warning | BOX | Franklin, Worcester | 24 min |
| Sep 6, 5:00 PM EDT | Special Marine Warning | BOX | 60 min | |
| Sep 6, 5:03 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 42 min |
| Sep 6, 5:36 PM EDT | Special Weather Statement | BOX | Essex, Middlesex, Norfolk, Worcester | 84 min |
| Sep 6, 5:43 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 26 min |
| Sep 6, 5:50 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 40 min |
| Sep 6, 5:55 PM EDT | Special Marine Warning | BOX | 65 min | |
| Sep 6, 6:01 PM EDT | Special Weather Statement | BOX | Worcester | 44 min |
| Sep 6, 6:02 PM EDT | Special Weather Statement | BOX | Suffolk | 43 min |
| Sep 6, 6:06 PM EDT | Special Marine Warning | BOX | 54 min | |
| Sep 6, 6:08 PM EDT | Areal Flood Advisory | BOX | Essex, Middlesex, Norfolk, Suffolk | 112 min |
| Sep 6, 6:25 PM EDT | Special Weather Statement | BOX | Middlesex | 50 min |
| Sep 6, 7:38 PM EDT | Special Weather Statement | BOX | Plymouth | 52 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2014Severe Thunderstorm Warnings in New Hampshire, 2014Every severe thunderstorm warning in 2014
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.