Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 21, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 31, 2008, 6:20 PM EDT for 4 counties in Massachusetts. It was in force for 55 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 31, 2008, 6:20 PM EDT (22:20 UTC)
- Expired
- May 31, 2008, 7:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 98 km from the middle of the area, began a volume at 22:20 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 31, 6:55 PM EDT | TSTM WND DMG | Monson, MA | POWER LINES DOWNED ON LOWER HAMPDEN ROAD |
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 31, 5:59 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.3 hours before the alert went out and 138 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
- 33 J/kg
- Mixed-layer CIN
- -231 J/kg
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KBOX 312220 SVRBOX MAC011-013-015-027-312315- /O.NEW.KBOX.SV.W.0021.080531T2220Z-080531T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 620 PM EDT SAT MAY 31 2008 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS... EXTREME SOUTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS... EASTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... SOUTHEASTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS... * UNTIL 715 PM EDT * AT 616 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM PELHAM TO HAMPDEN...OR ALONG A LINE EXTENDING FROM AMHERST TO SPRINGFIELD...AND MOVING EAST AT 41 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... PALMER BY 625 PM EDT... WARE AND MONSON BY 630 PM EDT... WARREN...WALES...HARDWICK AND BRIMFIELD BY 635 PM EDT... WEST BROOKFIELD AND NEW BRAINTREE BY 640 PM EDT... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING. GO INDOORS NOW...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. GO INDOORS NOW...PREFERABLY INSIDE A STRONG BUILDIN AND AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT SATURDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. LAT...LON 4240 7209 4203 7215 4204 7250 4242 7241 TIME...MOT...LOC 2219Z 282DEG 36KT 4241 7240 4207 7245 $$ MEKSTER
2 follow-up statements
000 WWUS51 KBOX 312305 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 705 PM EDT SAT MAY 31 2008 MAC011-015-312315- /O.CAN.KBOX.SV.W.0021.000000T0000Z-080531T2315Z/ FRANKLIN MA-HAMPSHIRE MA- 705 PM EDT SAT MAY 31 2008 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HAMPSHIRE AND EXTREME SOUTHEASTERN FRANKLIN COUNTIES IS CANCELLED... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT SATURDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. LAT...LON 4217 7213 4203 7215 4204 7250 4213 7223 TIME...MOT...LOC 2305Z 285DEG 27KT 4206 7216 $$ MAC013-027-312315- /O.CON.KBOX.SV.W.0021.000000T0000Z-080531T2315Z/ WORCESTER MA-HAMPDEN MA- 705 PM EDT SAT MAY 31 2008 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR SOUTHEASTERN HAMPDEN AND SOUTHWESTERN WORCESTER COUNTIES... AT 702 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WALES...OR 17 MILES NORTH OF MANSFIELD...MOVING EAST AT 31 MPH. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT SATURDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. LAT...LON 4217 7213 4203 7215 4204 7250 4213 7223 TIME...MOT...LOC 2305Z 285DEG 27KT 4206 7216 $$ MLE
000 WWUS51 KBOX 312310 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 710 PM EDT SAT MAY 31 2008 MAC013-027-312320- /O.EXP.KBOX.SV.W.0021.000000T0000Z-080531T2315Z/ WORCESTER MA-HAMPDEN MA- 710 PM EDT SAT MAY 31 2008 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HAMPDEN AND SOUTHWESTERN WORCESTER COUNTIES WILL EXPIRE AT 715 PM EDT... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT SATURDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. LAT...LON 4217 7213 4203 7215 4204 7250 4213 7223 TIME...MOT...LOC 2310Z 285DEG 27KT 4205 7211 $$ MLE
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 5:19 AM EDT | High Surf Advisory | BOX | Bristol, Dukes, Nantucket | 39 hr |
| May 31, 5:22 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 53 min |
| May 31, 5:56 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 40 min |
| May 31, 6:25 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 19 min |
| May 31, 6:35 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 32 min |
| May 31, 7:01 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 40 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2008Every severe thunderstorm warning in 2008
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.