Alert archive / Connecticut / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 21, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 21, 2016, 4:05 AM EDT for Capitol Planning Region, Connecticut; Hampden County, Massachusetts. It was in force for 40 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
- Jun 21, 2016, 4:05 AM EDT (08:05 UTC)
- Expired
- Jun 21, 2016, 4:45 AM EDT
- In force
- 40 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
The radar
The Albany radar (KENX), 123 km from the middle of the area, began a volume at 08:08 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 |
|---|---|---|---|
| Jun 21, 4:10 AM EDT | TSTM WND DMG | Granville, MA | TREE DOWN ON WIRES ON HARTLAND HOLLOW ROAD |
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 00:00Z, 8.1 hours before the alert went out and 114 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2305 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
407 WUUS51 KBOX 210805 SVRBOX CTC003-013-MAC013-210845- /O.NEW.KBOX.SV.W.0021.160621T0805Z-160621T0845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 405 AM EDT TUE JUN 21 2016 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN TOLLAND COUNTY IN NORTHERN CONNECTICUT... NORTHEASTERN HARTFORD COUNTY IN NORTHERN CONNECTICUT... SOUTHWESTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... * UNTIL 445 AM EDT * AT 404 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER GRANVILLE...OR NEAR WESTFIELD...MOVING EAST AT 30 MPH. HAZARD...60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. * LOCATIONS IMPACTED INCLUDE... SPRINGFIELD...CHICOPEE...ENFIELD...WESTFIELD...AGAWAM... WEST SPRINGFIELD...LONGMEADOW...SUFFIELD...EAST LONGMEADOW... ELLINGTON...WILBRAHAM...SOMERS...GRANBY...EAST WINDSOR... SOUTHWICK...EAST GRANBY...HAMPDEN...HARTLAND... RUSSELL AND GRANVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4203 7298 4217 7292 4211 7241 4191 7247 TIME...MOT...LOC 0804Z 284DEG 28KT 4208 7286 HAIL...<.75IN WIND...60MPH $$ WTB
2 follow-up statements
395 WWUS51 KBOX 210826 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 426 AM EDT TUE JUN 21 2016 CTC003-013-MAC013-210845- /O.CON.KBOX.SV.W.0021.000000T0000Z-160621T0845Z/ TOLLAND CT-HARTFORD CT-HAMPDEN MA- 426 AM EDT TUE JUN 21 2016 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM EDT FOR NORTHWESTERN TOLLAND...NORTHEASTERN HARTFORD AND SOUTHWESTERN HAMPDEN COUNTIES... AT 425 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED BETWEEN AGAWAM MASSACHUSETTS AND ENFIELD CONNECTICUT...MOVING SOUTHEAST AT 30 MPH. HAZARD...60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. LOCATIONS IMPACTED INCLUDE... SPRINGFIELD...CHICOPEE...ENFIELD...WESTFIELD...AGAWAM... WEST SPRINGFIELD...LONGMEADOW...SUFFIELD...EAST LONGMEADOW... ELLINGTON...WILBRAHAM...SOMERS...GRANBY...EAST WINDSOR...SOUTHWICK... EAST GRANBY...HAMPDEN...HARTLAND...RUSSELL AND GRANVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4203 7298 4217 7292 4211 7241 4191 7247 TIME...MOT...LOC 0825Z 284DEG 28KT 4204 7264 HAIL...<.75IN WIND...60MPH $$ WTB
020
WWUS51 KBOX 210839
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
439 AM EDT TUE JUN 21 2016
CTC003-013-MAC013-210847-
/O.EXP.KBOX.SV.W.0021.000000T0000Z-160621T0845Z/
TOLLAND CT-HARTFORD CT-HAMPDEN MA-
439 AM EDT TUE JUN 21 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TOLLAND...
NORTHEASTERN HARTFORD AND SOUTHWESTERN HAMPDEN COUNTIES WILL EXPIRE
AT 445 AM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE...THE WARNING
WILL BE ALLOWED TO EXPIRE.
LAT...LON 4203 7298 4217 7292 4211 7241 4191 7247
TIME...MOT...LOC 0836Z 284DEG 28KT 4204 7264
$$
WTBThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 1:39 AM EDT | Special Weather Statement | BOX | Franklin | 51 min |
| Jun 21, 3:05 AM EDT | Special Weather Statement | BOX | Middlesex, Worcester | 55 min |
| Jun 21, 3:22 AM EDT | Special Weather Statement | BOX | Hampden, Hampshire | 53 min |
| Jun 21, 4:02 AM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk | 43 min |
| Jun 21, 4:18 AM EDT | Special Marine Warning | BOX | 87 min | |
| Jun 21, 4:34 AM EDT | Special Marine Warning | BOX | 86 min | |
| Jun 21, 4:56 AM EDT | Special Marine Warning | BOX | 2 hr | |
| Jun 21, 5:12 AM EDT | Severe Thunderstorm Warning | BOX | Bristol | 48 min |
| Jun 21, 5:38 AM EDT | Special Marine Warning | BOX | 112 min | |
| Jun 21, 5:44 AM EDT | Special Marine Warning | BOX | 61 min | |
| Jun 21, 3:39 PM EDT | Small Craft Advisory for Hazardous Seas | BOX | 39 hr |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2016Severe Thunderstorm Warnings in Massachusetts, 2016Every severe thunderstorm warning in 2016
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.