Alert archive / Connecticut / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 19, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 22, 2012, 4:02 PM EDT for Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It was in force for 35 min. 6 reports 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 22, 2012, 4:02 PM EDT (20:02 UTC)
- Expired
- Jun 22, 2012, 4:37 PM EDT
- In force
- 35 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT
The radar
The Boston radar (KBOX), 92 km from the middle of the area, began a volume at 20:05 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 22, 4:04 PM EDT | HAIL 0.75 | Vernon, CT | |
| Jun 22, 4:04 PM EDT | HAIL 0.88 | Tolland, CT | |
| Jun 22, 4:15 PM EDT | TSTM WND DMG | Tolland, CT | TREE AND WIRES DOWN ON CRYSTAL LAKE ROAD AND OLD POST ROAD |
| Jun 22, 4:16 PM EDT | TSTM WND DMG | Ellington, CT | TREE ON WIRES ON BRIDGE STREET |
| Jun 22, 4:29 PM EDT | TSTM WND DMG | Tolland, CT | TREES AND WIRES DOWN ON ROUTE 30...DOYLE ROAD AND ROBIN CIRCLE |
| Jun 22, 4:29 PM EDT | HAIL 1 | Tolland, CT |
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 |
|---|---|---|---|
| Jun 22, 1:41 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.0 hours before the alert went out and 126 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
- 840 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1512 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
116 WUUS51 KBOX 222002 SVRBOX CTC003-013-015-222100- /O.NEW.KBOX.SV.W.0019.120622T2002Z-120622T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 402 PM EDT FRI JUN 22 2012 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL HARTFORD COUNTY IN NORTHERN CONNECTICUT... TOLLAND COUNTY IN NORTHERN CONNECTICUT... THIS INCLUDES THE CITIES OF...VERNON...MANSFIELD... NORTHWESTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT... * UNTIL 500 PM EDT * AT 357 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ELLINGTON...OR NEAR VERNON...AND WAS MOVING NORTHEAST AT 20 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...TOLLAND...COVENTRY... WILLINGTON...CHAPLIN...ASHFORD...UNION AND EASTFORD. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL...AS WELL AS 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. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS. && LAT...LON 4203 7210 4180 7202 4170 7245 4192 7253 TIME...MOT...LOC 2002Z 240DEG 17KT 4188 7240 $$ MLD
1 follow-up statement
455 WWUS51 KBOX 222037 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 437 PM EDT FRI JUN 22 2012 CTC003-013-015-222046- /O.CAN.KBOX.SV.W.0019.000000T0000Z-120622T2100Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT- 437 PM EDT FRI JUN 22 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WINDHAM...TOLLAND AND EAST CENTRAL HARTFORD COUNTIES IS CANCELLED... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS. LAT...LON 4203 7210 4180 7202 4170 7245 4192 7253 TIME...MOT...LOC 2036Z 240DEG 17KT 4196 7221 $$ MLD
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 3:14 PM EDT | Special Weather Statement | BOX | 61 min | |
| Jun 22, 3:31 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 59 min |
| Jun 22, 4:01 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 3 hr |
| Jun 22, 4:22 PM EDT | Areal Flood Advisory | BOX | Northeastern Connecticut Planning Region | 3 hr |
| Jun 22, 4:23 PM EDT | Special Weather Statement | BOX | 67 min | |
| Jun 22, 4:26 PM EDT | Special Weather Statement | BOX | 64 min | |
| Jun 22, 4:31 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 44 min |
| Jun 22, 4:36 PM EDT | Flash Flood Warning | BOX | Capitol Planning Region | 3 hr |
Nearby
Severe Thunderstorm Warnings in Connecticut, 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.