Alert archive / Connecticut / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 13, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 23, 2015, 4:32 PM EDT for Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut. It was in force for 58 min. 11 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 23, 2015, 4:32 PM EDT (20:32 UTC)
- Expired
- Jun 23, 2015, 5:30 PM EDT
- In force
- 58 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
Counties Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT
The radar
The Brookhaven radar (KOKX), 73 km from the middle of the area, began a volume at 20:35 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 23, 4:35 PM EDT | TSTM WND DMG | Hamden, CT | MULTIPLE LARGE BRANCHES AND WIRES DOWN ACROSS THE TOWN |
| Jun 23, 4:35 PM EDT | TSTM WND DMG | Meriden, CT | LARGE TREE DOWN BLOCKING ROAD ON MAYFLOWER LANE |
| Jun 23, 4:35 PM EDT | TSTM WND DMG | North Haven, CT | MULTIPLE TREES AND POWER LINES DOWN ON POOL ROAD |
| Jun 23, 4:40 PM EDT | TSTM WND DMG | Durham, CT | NUMEROUS REPORTS OF TREES AND POWER LINES DOWN. ENTIRE TOWN WITHOUT POWER. |
| Jun 23, 4:40 PM EDT | TSTM WND DMG | Wallingford, CT | NUMEROUS TREES AND WIRES DOWN ACROSS TOWN |
| Jun 23, 5:00 PM EDT | TSTM WND DMG | Montville, CT | NUMEROUS TRESS DOWN ALONG ROUTE 82 |
| Jun 23, 5:00 PM EDT | TSTM WND DMG | Montville, CT | NUMEROUS TRESS DOWN ALONG ROUTE 82 |
| Jun 23, 5:05 PM EDT | TSTM WND DMG | Franklin, CT | TREE DOWN ON ROUTE 32 |
| Jun 23, 5:05 PM EDT | TSTM WND DMG | Franklin, CT | TREE DOWN ON ROUTE 32 |
| Jun 23, 5:10 PM EDT | TSTM WND DMG | Norwich, CT | LARGE TREE DOWN BLOCKING SOUTHBOUND LANE OF NEW LONDON TURNPIKE AT ROUTE 2/32 CONNECTOR |
| Jun 23, 5:15 PM EDT | TSTM WND DMG | Colchester, CT | NUMEROUS TREES AND WIRES DOWN. |
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 23, 3:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.5 hours before the alert went out and 73 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
- 563 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1072 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
986
WUUS51 KOKX 232032
SVROKX
CTC007-009-011-232130-
/O.NEW.KOKX.SV.W.0013.150623T2032Z-150623T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
432 PM EDT TUE JUN 23 2015
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NEW LONDON COUNTY IN SOUTHERN CONNECTICUT...
MIDDLESEX COUNTY IN SOUTHERN CONNECTICUT...
NEW HAVEN COUNTY IN SOUTHERN CONNECTICUT...
* UNTIL 530 PM EDT
* AT 432 PM EDT...DOPPLER RADAR INDICATED AN AREA OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED OVER WALLINGFORD...AND MOVING EAST AT
55 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THE DAMAGING WINDS.
* LOCATIONS IMPACTED INCLUDE...
NEW HAVEN...WATERBURY...MERIDEN...MILFORD...MIDDLETOWN...
WALLINGFORD...NORWICH...NAUGATUCK...NEW LONDON...WINDHAM...
GUILFORD...WOLCOTT...COLCHESTER...PLAINFIELD...CLINTON...EAST
HAMPTON...GROTON...OLD SAYBROOK...DURHAM AND SALEM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4142 7180 4139 7210 4140 7210 4143 7209
4144 7209 4135 7213 4125 7254 4125 7290
4130 7291 4122 7301 4123 7301 4157 7310
4163 7302 4164 7294 4156 7295 4154 7285
4164 7263 4160 7234 4171 7224 4164 7179
TIME...MOT...LOC 2032Z 250DEG 48KT 4145 7283
$$
JC2 follow-up statements
227
WWUS51 KOKX 232102
SVSOKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
502 PM EDT TUE JUN 23 2015
CTC009-232111-
/O.CAN.KOKX.SV.W.0013.000000T0000Z-150623T2130Z/
NEW HAVEN CT-
502 PM EDT TUE JUN 23 2015
...THE SEVERE THUNDERSTORM WARNING FOR NEW HAVEN COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4142 7180 4139 7210 4140 7210 4144 7209
4135 7213 4134 7217 4136 7219 4134 7219
4126 7251 4130 7258 4144 7250 4146 7260
4155 7266 4163 7256 4162 7249 4158 7247
4160 7234 4171 7224 4166 7216 4164 7179
TIME...MOT...LOC 2101Z 250DEG 48KT 4158 7234
$$
CTC007-011-232130-
/O.CON.KOKX.SV.W.0013.000000T0000Z-150623T2130Z/
NEW LONDON CT-MIDDLESEX CT-
502 PM EDT TUE JUN 23 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NEW LONDON AND MIDDLESEX COUNTIES...
AT 501 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED OVER COLCHESTER...MOVING EAST AT 55 MPH. PENNY SIZE HAIL MAY
ALSO ACCOMPANY THE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
MIDDLETOWN...NORWICH...NEW LONDON...COLCHESTER...PLAINFIELD...
CLINTON...EAST HAMPTON...GROTON...OLD SAYBROOK...SALEM...CHESTER...
HARTFORD...WATERFORD...EAST LYME...LEDYARD...GRISWOLD...PORTLAND...
EAST HADDAM...HADDAM AND OLD LYME.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4142 7180 4139 7210 4140 7210 4144 7209
4135 7213 4134 7217 4136 7219 4134 7219
4126 7251 4130 7258 4144 7250 4146 7260
4155 7266 4163 7256 4162 7249 4158 7247
4160 7234 4171 7224 4166 7216 4164 7179
TIME...MOT...LOC 2101Z 250DEG 48KT 4158 7234
$$
JC594
WWUS51 KOKX 232129
SVSOKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
529 PM EDT TUE JUN 23 2015
CTC007-011-232138-
/O.EXP.KOKX.SV.W.0013.000000T0000Z-150623T2130Z/
NEW LONDON CT-MIDDLESEX CT-
529 PM EDT TUE JUN 23 2015
...THE SEVERE THUNDERSTORM WARNING FOR NEW LONDON AND MIDDLESEX
COUNTIES WILL EXPIRE AT 530 PM EDT...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING WILL MOVE OUT OF
THE WARNED AREA SOON. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.
LAT...LON 4142 7180 4139 7210 4140 7210 4144 7209
4135 7213 4134 7217 4136 7219 4134 7219
4126 7251 4130 7258 4144 7250 4146 7260
4155 7266 4163 7256 4162 7249 4158 7247
4160 7234 4171 7224 4166 7216 4164 7179
TIME...MOT...LOC 2125Z 250DEG 48KT 4158 7234
$$
JCThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 3:44 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 46 min |
| Jun 23, 4:24 PM EDT | Special Weather Statement | OKX | 51 min | |
| Jun 23, 6:45 PM EDT | Special Weather Statement | OKX | 30 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2015Every severe thunderstorm warning in 2015
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.