Alert archive / Connecticut / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 64, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Aug 10, 2012, 3:31 PM EDT for Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Connecticut. It was in force for 29 min. 2 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
- Aug 10, 2012, 3:31 PM EDT (19:31 UTC)
- Expired
- Aug 10, 2012, 4:00 PM EDT
- In force
- 29 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
Counties Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT
The radar
The Brookhaven radar (KOKX), 50 km from the middle of the area, began a volume at 19:31 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 |
|---|---|---|---|
| Aug 10, 3:35 PM EDT | TSTM WND DMG | Guilford, CT | BRANCHES DOWN ON POWERLINES. |
| Aug 10, 3:45 PM EDT | TSTM WND DMG | Guilford, CT | TREE DOWN ON HOUSE. NUMEROUS LIMBS DOWN ACROSS TOWN. |
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 |
|---|---|---|---|
| Aug 10, 3:31 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.5 hours before the alert went out and 50 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
- 1737 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
936
WUUS51 KOKX 101931
SVROKX
CTC007-009-102000-
/O.NEW.KOKX.SV.W.0064.120810T1931Z-120810T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
331 PM EDT FRI AUG 10 2012
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MIDDLESEX COUNTY IN SOUTHERN CONNECTICUT...
SOUTHEASTERN NEW HAVEN COUNTY IN SOUTHERN CONNECTICUT...
* UNTIL 400 PM EDT...
* AT 327 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR GUILFORD...AND MOVING NORTH
AT 30 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CLINTON...NORTH BRANDFORD...NORTH MADISON AND KILLINGWORTH
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4124 7254 4127 7258 4126 7267 4124 7269
4125 7273 4123 7276 4124 7277 4139 7276
4138 7245 4137 7245
TIME...MOT...LOC 1931Z 194DEG 18KT 4124 7268
$$
SEARS1 follow-up statement
186
WWUS51 KOKX 101952
SVSOKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
352 PM EDT FRI AUG 10 2012
CTC007-009-102001-
/O.EXP.KOKX.SV.W.0064.000000T0000Z-120810T2000Z/
NEW HAVEN CT-MIDDLESEX CT-
352 PM EDT FRI AUG 10 2012
...THE SEVERE THUNDERSTORM WARNING FOR MIDDLESEX AND SOUTHEASTERN NEW
HAVEN COUNTIES WILL EXPIRE AT 400 PM EDT...
THE THUNDERSTORM THAT WARRANTED THE ISSUANCE HAS MOVED OUT OF THE
AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM FRIDAY EVENING
FOR SOUTHERN CONNECTICUT.
LAT...LON 4124 7254 4127 7258 4126 7267 4124 7269
4125 7273 4123 7276 4124 7277 4139 7276
4138 7245 4137 7245
TIME...MOT...LOC 1951Z 194DEG 18KT 4134 7265
$$
SEARSThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 11:48 AM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region | 87 min |
| Aug 10, 1:47 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 58 min |
| Aug 10, 2:58 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 2 hr |
| Aug 10, 3:25 PM EDT | Flash Flood Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 65 min |
| Aug 10, 3:41 PM EDT | Areal Flood Advisory | OKX | Lower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region | 64 min |
| Aug 10, 3:49 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region | 41 min |
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.