Alert archive / Massachusetts / Special Weather Statements in 2012
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Aug 9, 2012, 5:11 PM EDT for Worcester County, Massachusetts. It was in force for 64 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
- Aug 9, 2012, 5:11 PM EDT (21:11 UTC)
- Expired
- Aug 9, 2012, 6:15 PM EDT
- In force
- 64 min
- Issued by
- NWS Boston/Norton, MA
County Worcester County, MA
The radar
The Boston radar (KBOX), 78 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 164 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
- 780 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 965 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
285 WWUS81 KBOX 092111 SPSBOX SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 511 PM EDT THU AUG 9 2012 MAZ004-012-092215- NORTHERN WORCESTER MA-SOUTHERN WORCESTER MA- 511 PM EDT THU AUG 9 2012 AT 510 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CAPABLE OF PRODUCING HEAVY DOWNPOURS AND WIND GUSTS TO 35 MPH NEAR SPENCER...OR ABOUT 10 MILES WEST OF WORCESTER...MOVING NORTHEAST AT 20 MPH. * SOME LOCATIONS AFFECTED INCLUDE...PAXTON...RUTLAND...HOLDEN...WEST BOYLSTON...PRINCETON...BOYLSTON...STERLING...CLINTON AND BERLIN. FOR YOUR SAFETY...GET INSIDE WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO BRING DOWN SMALL BRANCHES. HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED ROADS. && LAT...LON 4254 7180 4239 7160 4220 7202 4230 7214 $$ WTB
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 1:01 PM EDT | Special Weather Statement | BOX | Franklin | 59 min |
| Aug 9, 1:16 PM EDT | Areal Flood Advisory | BOX | Franklin | 108 min |
| Aug 9, 1:39 PM EDT | Special Weather Statement | BOX | Hampshire | 51 min |
| Aug 9, 1:48 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 32 min |
| Aug 9, 1:53 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampshire | 2 hr |
| Aug 9, 2:03 PM EDT | Special Weather Statement | BOX | Hampshire | 57 min |
| Aug 9, 2:18 PM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire | 53 min |
| Aug 9, 2:44 PM EDT | Special Weather Statement | BOX | Hampden | 46 min |
| Aug 9, 2:53 PM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire | 45 min |
| Aug 9, 5:44 PM EDT | Special Weather Statement | BOX | Worcester | 61 min |
| Aug 9, 3:45 PM EDT | Special Weather Statement | BOX | 60 min | |
| Aug 9, 1:06 PM EDT | Special Weather Statement | BOX | Hillsborough | 54 min |
| Aug 9, 2:11 PM EDT | Special Weather Statement | BOX | Hillsborough | 64 min |
Nearby
Special Weather Statements in Massachusetts, 2012Every special weather statement in 2012
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.