Alert archive / Connecticut / Special Weather Statements in 2011
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Aug 1, 2011, 4:00 PM EDT. It was in force for 45 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
- Aug 1, 2011, 4:00 PM EDT (20:00 UTC)
- Expired
- Aug 1, 2011, 4:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Boston/Norton, MA
The radar
The Boston radar (KBOX), 116 km from the middle of the area, began a volume at 20:01 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 1, 4:25 PM EDT | HAIL 0.75 | Enfield, CT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.0 hours before the alert went out and 127 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
- 529 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
257 WWUS81 KBOX 012000 SPSBOX SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 400 PM EDT MON AUG 1 2011 CTZ002-003-MAZ011-012045- EASTERN HAMPDEN MA-HARTFORD CT-TOLLAND CT- 400 PM EDT MON AUG 1 2011 ...STRONG THUNDERSTORM FORMING IN NORTH CENTRAL CONNECTICUT... AT 356 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH AND PENNY SIZED HAIL NEAR SUFFIELD...MOVING EAST AT 15 MPH. * SOME LOCATIONS AFFECTED INCLUDE...ENFIELD...SOMERS AND ELLINGTON. FOR YOUR SAFETY...GET INSIDE WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO BRING DOWN SMALL BRANCHES. MINOR STREET FLOODING AND PONDING OF WATER IN POOR DRAINAGE AREAS IS ALSO POSSIBLE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT MONDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND. && LAT...LON 4202 7240 4187 7248 4198 7271 4203 7273 $$ JWD
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 12:37 PM EDT | Special Weather Statement | BOX | Hampshire | 53 min |
| Aug 1, 1:24 PM EDT | Special Weather Statement | BOX | Hampshire | 51 min |
| Aug 1, 1:27 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Aug 1, 1:34 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 19 min |
| Aug 1, 1:41 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Aug 1, 1:55 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 35 min |
| Aug 1, 2:03 PM EDT | Special Weather Statement | BOX | Franklin | 42 min |
| Aug 1, 2:08 PM EDT | Special Weather Statement | BOX | Hampden | 52 min |
| Aug 1, 2:13 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 47 min |
| Aug 1, 2:19 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire, Worcester | 116 min |
| Aug 1, 2:19 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 41 min |
| Aug 1, 3:01 PM EDT | Special Weather Statement | BOX | Worcester | 59 min |
| Aug 1, 3:05 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 17 min |
| Aug 1, 3:10 PM EDT | Special Weather Statement | BOX | Franklin | 50 min |
| Aug 1, 3:14 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 38 min |
| Aug 1, 3:18 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 42 min |
| Aug 1, 3:30 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 45 min |
| Aug 1, 3:33 PM EDT | Special Weather Statement | BOX | Hampden | 57 min |
| Aug 1, 3:40 PM EDT | Areal Flood Advisory | BOX | Franklin, Worcester | 113 min |
| Aug 1, 3:41 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 49 min |
| Aug 1, 3:59 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 61 min |
| Aug 1, 4:07 PM EDT | Flash Flood Warning | BOX | Franklin, Worcester | 82 min |
| Aug 1, 4:08 PM EDT | Special Weather Statement | BOX | Essex | 67 min |
| Aug 1, 4:15 PM EDT | Areal Flood Advisory | BOX | Hampden | 3 hr |
| Aug 1, 4:31 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 27 min |
| Aug 1, 4:37 PM EDT | Special Weather Statement | BOX | Franklin | 23 min |
| Aug 1, 4:42 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 63 min |
| Aug 1, 4:55 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Aug 1, 5:29 PM EDT | Special Weather Statement | BOX | Franklin | 31 min |
| Aug 1, 6:29 PM EDT | Special Weather Statement | BOX | Hampshire | 46 min |
| Aug 1, 4:18 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 29 min |
| Aug 1, 4:35 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 24 min |
| Aug 1, 4:45 PM EDT | Special Weather Statement | BOX | 45 min | |
| Aug 1, 5:10 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 35 min |
| Aug 1, 6:03 PM EDT | Special Weather Statement | BOX | 42 min | |
| Aug 1, 1:41 PM EDT | Special Weather Statement | BOX | Cheshire | 49 min |
| Aug 1, 1:55 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 43 min |
| Aug 1, 2:08 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Aug 1, 2:42 PM EDT | Special Weather Statement | BOX | Cheshire | 48 min |
| Aug 1, 2:50 PM EDT | Areal Flood Advisory | BOX | Cheshire | 2 hr |
| Aug 1, 3:25 PM EDT | Special Weather Statement | BOX | Cheshire | 35 min |
| Aug 1, 3:38 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 40 min |
Nearby
Special Weather Statements in Connecticut, 2011Every special weather statement in 2011
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.