Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 79, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 10, 2012, 1:15 PM EDT for Hampden County, Hampshire County, Massachusetts. It was in force for 30 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
- Aug 10, 2012, 1:15 PM EDT (17:15 UTC)
- Expired
- Aug 10, 2012, 1:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Hampden County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 124 km from the middle of the area, began a volume at 17:16 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 10, 1:30 PM EDT | TSTM WND DMG | Hadley, MA | LARGE LIMB DOWN ON MOCKINGBIRD LANE |
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, 5.3 hours before the alert went out and 109 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
- 209 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
035 WUUS51 KBOX 101715 SVRBOX MAC013-015-101745- /O.NEW.KBOX.SV.W.0079.120810T1715Z-120810T1745Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 115 PM EDT FRI AUG 10 2012 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... CENTRAL HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS... THIS INCLUDES THE CITY OF AMHERST... * UNTIL 145 PM EDT * AT 109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SOUTH HADLEY AND CHICOPEE...AND WAS MOVING NORTH AT 20 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...HADLEY AND HATFIELD. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. THUNDERSTORMS CAN PRODUCE 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 4241 7262 4241 7250 4223 7255 4224 7265 TIME...MOT...LOC 1714Z 186DEG 19KT 4228 7258 $$ WTB
1 follow-up statement
538 WWUS51 KBOX 101728 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 128 PM EDT FRI AUG 10 2012 MAC013-015-101745- /O.CON.KBOX.SV.W.0079.000000T0000Z-120810T1745Z/ HAMPSHIRE MA-HAMPDEN MA- 128 PM EDT FRI AUG 10 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR NORTH CENTRAL HAMPDEN AND CENTRAL HAMPSHIRE COUNTIES... AT 126 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR HADLEY AND AMHERST...MOVING NORTH AT 20 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HATFIELD LAT...LON 4241 7262 4241 7250 4223 7255 4224 7265 TIME...MOT...LOC 1728Z 186DEG 19KT 4235 7257 $$ WTB
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 4:31 AM EDT | Small Craft Advisory | BOX | 3 days | |
| Aug 10, 10:57 AM EDT | Special Weather Statement | BOX | Hampshire | 63 min |
| Aug 10, 11:07 AM EDT | Special Weather Statement | BOX | Hampshire | 53 min |
| Aug 10, 11:35 AM EDT | Special Weather Statement | BOX | Hampden | 55 min |
| Aug 10, 11:40 AM EDT | Special Weather Statement | BOX | Franklin | 65 min |
| Aug 10, 11:45 AM EDT | Special Weather Statement | BOX | Franklin | 60 min |
| Aug 10, 11:52 AM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire | 6 hr |
| Aug 10, 12:29 PM EDT | Special Weather Statement | BOX | Hampshire | 61 min |
| Aug 10, 2:29 PM EDT | Special Weather Statement | BOX | Worcester | 61 min |
| Aug 10, 3:13 PM EDT | Special Marine Warning | BOX | 92 min | |
| Aug 10, 3:36 PM EDT | Areal Flood Advisory | BOX | Bristol, Hampden, Hampshire, Middlesex, Norfolk, Plymouth and 2 more | 2 hr |
| Aug 10, 4:45 PM EDT | Special Marine Warning | BOX | 30 min | |
| Aug 10, 4:45 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 45 min |
| Aug 10, 5:00 PM EDT | Tornado Warning | BOX | Hampden, Hampshire | 45 min |
| Aug 10, 5:03 PM EDT | Special Marine Warning | BOX | 87 min | |
| Aug 10, 5:09 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 3 hr |
| Aug 10, 5:16 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 59 min |
| Aug 10, 5:20 PM EDT | Special Marine Warning | BOX | 25 min | |
| Aug 10, 5:27 PM EDT | Flash Flood Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Norfolk, Suffolk and 1 more | 3 hr |
| Aug 10, 5:31 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 44 min |
| Aug 10, 5:33 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 27 min |
| Aug 10, 5:45 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 45 min |
| Aug 10, 5:47 PM EDT | Special Weather Statement | BOX | Middlesex | 43 min |
| Aug 10, 5:55 PM EDT | Flash Flood Warning | BOX | Essex | 3 hr |
| Aug 10, 6:08 PM EDT | Special Marine Warning | BOX | 52 min | |
| Aug 10, 6:23 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Middlesex, Norfolk, Plymouth, Suffolk | 37 min |
| Aug 10, 6:46 PM EDT | Special Weather Statement | BOX | Bristol | 44 min |
| Aug 10, 7:45 PM EDT | Special Marine Warning | BOX | 30 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.