Alert archive / Massachusetts / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 482
The Storm Prediction Center issued this severe thunderstorm watch at Jun 27, 2002, 6:15 PM EDT for 4 states. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2002, 6:15 PM EDT (22:15 UTC)
- Expired
- Jun 27, 2002, 10:00 PM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Berkshire County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH, Bristol County, RI, Kent County, RI, Providence County, RI, Bennington County, VT, Windham County, VT
The radar
The Albany radar (KENX), 125 km from the middle of the area, began a volume at 22:18 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.
Warnings issued inside it
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 6:55 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 50 min |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.3 hours before the alert went out and 111 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
- 722 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 272200 SEL2 SPC WW 272156 CTZ000-MAZ000-NHZ000-RIZ000-VTZ000-280200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 482 STORM PREDICTION CENTER NORMAN OK 556 PM EDT THU JUN 27 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CONNECTICUT MASSACHUSETTS SOUTHERN NEW HAMPSHIRE RHODE ISLAND SOUTHERN VERMONT EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 615 PM UNTIL 1000 PM EDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH SOUTHEAST OF WINDSOR LOCKS CONNECTICUT TO 25 MILES NORTH OF KEENE NEW HAMPSHIRE. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION... CONTINUE...WW 478...WW 479...WW 480...WW 481... DISCUSSION...SEVERE THUNDERSTORMS WITH A THREAT OF LARGE HAIL AND DAMAGING WINDS WILL SPREAD EWD ACROSS SRN NEW ENGLAND THIS EVENING. SHEAR WILL ALSO REMAIN SUFFICIENT FOR A FEW SUPERCELLS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 27035. ...EVANS 431,0710 413,0711 413,0733 431,0732
Nearby
Severe Thunderstorm Watches in Massachusetts, 2002Severe Thunderstorm Watches in Connecticut, 2002Severe Thunderstorm Watches in Rhode Island, 2002Every severe thunderstorm watch in 2002
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.