Alert archive / Connecticut / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 21, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at May 31, 2007, 6:29 PM EDT for Capitol Planning Region, Connecticut. It was in force for 16 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 31, 2007, 6:29 PM EDT (22:29 UTC)
- Expired
- May 31, 2007, 6:45 PM EDT
- In force
- 16 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Counties, with a storm outline in the text
County Capitol Planning Region, CT
The radar
The Brookhaven radar (KOKX), 100 km from the middle of the area, began a volume at 22:32 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.5 hours before the alert went out and 100 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
- 1910 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KBOX 312229
SVRBOX
CTC003-312315-
/O.NEW.KBOX.SV.W.0021.070531T2229Z-070531T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
629 PM EDT THU MAY 31 2007
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
HARTFORD COUNTY IN NORTHERN CONNECTICUT...
THIS INCLUDES THE CITIES OF...WINDSOR LOCKS...WEST HARTFORD...
NEWINGTON...NEW BRITAIN...HARTFORD...EAST HARTFORD...BRISTOL...
* UNTIL 715 PM EDT
* AT 624 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
HARTFORD...AND MOVING SOUTHEAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WETHERSFIELD AND SOUTH WINDSOR BY 635 PM EDT...
EAST HARTFORD BY 640 PM EDT...
GLASTONBURY AND ROCKY HILL BY 645 PM EDT...
LAT...LON 4169 7301 4179 7302 4182 7298 4181 7296
4183 7296 4198 7274 4198 7253 4164 7252
4163 7266 4159 7272
$$
FRANK1 follow-up statement
000
WWUS51 KBOX 312245
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
644 PM EDT THU MAY 31 2007
CTC003-312254-
/O.CAN.KBOX.SV.W.0021.000000T0000Z-070531T2315Z/
HARTFORD CT-
644 PM EDT THU MAY 31 2007
...THE SEVERE THUNDERSTORM WARNING FOR HARTFORD COUNTY IS
CANCELLED...
THE THUNDERSTORM OVER HARTFORD COUNTY HAS WEAKENED BELOW SEVERE
LIMITS. THEREFORE...THE SEVERE THUNDERSTORM WARNING FOR HARTFORD
COUNTY HAS BEEN CANCELED. HEAVY RAIN AND DANGEROUS CLOUD TO GROUND
LIGHTNING IS STILL EXPECTED WITH THE THUNDERSTORM.
LAT...LON 4169 7301 4179 7302 4182 7298 4181 7296
4183 7296 4198 7274 4198 7253 4164 7252
4163 7266 4159 7272
$$
FRANKThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 5:26 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 64 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2007Every severe thunderstorm warning in 2007
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.