Alert archive / Rhode Island / Special Weather Statements in 2012

Special Weather Statement, NWS Boston/Norton, MA

July 27, 2012Bristol County, Massachusetts; Newport County, Washington County, Rhode Island

NWS Boston/Norton, MA issued this special weather statement at Jul 27, 2012, 5:26 PM EDT for Bristol County, Massachusetts; Newport County, Washington County, Rhode Island. It was in force for 64 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: Jul 27, 2012, 5:26 PM EDT (21:26 UTC)
Expired: Jul 27, 2012, 6:30 PM EDT
In force: 64 min
Issued by: NWS Boston/Norton, MA

Counties Bristol County, MA, Newport County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 47 km from the middle of the area, began a volume at 21:29 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

Chatham, MA (KCHH), launched 12:00Z, 9.4 hours before the alert went out and 112 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 145 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this special weather statement went out at Jul 27, 4:13 PM EDT, 1 hour 13 minutes earlier.

Area forecast discussion, Jul 27, 4:13 PM EDT, 1 hour 13 minutes before

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Hazardous weather outlook, Jul 27, 4:12 PM EDT, 1 hour 14 minutes before

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In the hours before

Special weather statement, Jul 27, 4:09 PM EDT, 1 hour 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
409 PM EDT FRI JUL 27 2012

MAZ017-020-RIZ001-002-004-005-272045-
BRISTOL RI-EASTERN KENT RI-NORTHERN BRISTOL MA-NORTHWEST PROVIDENCE
RI-SOUTHEAST PROVIDENCE RI-SOUTHERN BRISTOL MA-
409 PM EDT FRI JUL 27 2012

AT 405 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL OVER
PROVIDENCE...MOVING EAST AT 15 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...PAWTUCKET...EAST PROVIDENCE...
  SEEKONK...BARRINGTON...REHOBOTH AND WARREN.

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.

&&

LAT...LON 4169 7127 4170 7130 4172 7132 4172 7135
      4172 7136 4173 7135 4174 7137 4172 7137
      4177 7152 4190 7146 4188 7118

RLG

Special weather statement, Jul 27, 5:26 PM EDT, 0 minutes before

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The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 26, 8:46 PM EDT	Special Marine Warning	BOX		89 min
Jul 27, 3:38 AM EDT	Small Craft Advisory for Hazardous Seas	BOX		18 hr
Jul 27, 4:09 PM EDT	Special Weather Statement	BOX	Bristol	36 min

Nearby

Special Weather Statements in Rhode Island, 2012 Special Weather Statements in Massachusetts, 2012 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.