Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 109, NWS Boston/Norton, MA

August 26, 2024Washington County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 26, 2024, 4:40 PM EDT for Washington County, Rhode Island. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 26, 2024, 4:40 PM EDT (20:40 UTC)
Expired
Aug 26, 2024, 5:20 PM EDT
In force
40 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.75 in
Wind
50.0 mph

County Washington County, RI

The radar

The Boston radar (KBOX), 74 km from the middle of the area, began a volume at 20:40 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 26, 1:04 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.7 hours before the alert went out and 120 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2024-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 288 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2024-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
288 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1038 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 26, 4:07 PM EDT, 33 minutes earlier.

Area forecast discussion, Aug 26, 4:07 PM EDT, 33 minutes before
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In the hours before

Local storm report, Aug 26, 2:02 PM EDT, 2 hours 38 minutes before
Preliminary Local Storm Report
National Weather Service Boston/Norton MA
202 PM EDT Mon Aug 26 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     Hail             New Bedford             41.66N 70.94W
08/26/2024  M1.00 Inch       Bristol            MA   Trained Spotter

0201 PM     Hail             2 SE New Bedford        41.64N 70.91W
08/26/2024  M0.75 Inch       Bristol            MA   Public

&&
Local storm report, Aug 26, 2:17 PM EDT, 2 hours 23 minutes before
Preliminary Local Storm Report...Summary
National Weather Service Boston/Norton MA
217 PM EDT Mon Aug 26 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1220 PM     Lightning        Harwich                 41.69N 70.07W
08/26/2024                   Barnstable         MA   Trained Spotter

            Trained spotter reports structure fire due
            to lightning strike on Seaport Lane. Relayed
            by amateur radio.

1230 PM     Flood            Dennis                  41.73N 70.20W
08/26/2024                   Barnstable         MA   Amateur Radio

            Street flooding near police station by Rt
            134. Report of 6 of street flooding.

1250 PM     Hail             Bourne                  41.73N 70.61W
08/26/2024  M1.00 Inch       Barnstable         MA   Amateur Radio

0108 PM     Flood            Bourne                  41.73N 70.61W
08/26/2024                   Barnstable         MA   Fire Dept/Rescue

            Report of flooding on section of Scenic
            Highway and the Bourne Rotary at State
            Police Barracks.

0142 PM     Hail             Acushnet                41.69N 70.91W
08/26/2024  M1.00 Inch       Bristol            MA   Trained Spotter

0145 PM     Hail             Oakham                  42.35N 72.05W
08/26/2024  M1.00 Inch       Worcester          MA   Trained Spotter

0148 PM     Hail             Acushnet                41.69N 70.91W
08/26/2024  M0.75 Inch       Bristol            MA   Trained Spotter

            Relayed by amateur radio.

0156 PM     Hail             Marion                  41.70N 70.76W
08/26/2024  M1.50 Inch       Plymouth           MA   Trained Spotter

            Relayed by amateur radio.

0200 PM     Hail             New Bedford             41.66N 70.94W
08/26/2024  M1.00 Inch       Bristol            MA   Trained Spotter

0201 PM     Hail             2 SE New Bedford        41.64N 70.91W
08/26/2024  M0.75 Inch       Bristol            MA   Public

&&
Local storm report, Aug 26, 2:37 PM EDT, 2 hours 3 minutes before
Preliminary Local Storm Report
National Weather Service Boston/Norton MA
237 PM EDT Mon Aug 26 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0225 PM     Hail             1 ENE Barrington        41.74N 71.31W
08/26/2024  M1.00 Inch       Bristol            RI   Trained Spotter

            Relayed via amateur radio.

&&
Local storm report, Aug 26, 3:13 PM EDT, 1 hour 27 minutes before
Preliminary Local Storm Report
National Weather Service Boston/Norton MA
313 PM EDT Mon Aug 26 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0207 PM     Hail             Rutland                 42.36N 71.95W
08/26/2024  M1.00 Inch       Worcester          MA   Trained Spotter

            Quarter sized hail in Rutland. Relayed via
            amateur radio.

0230 PM     Flash Flood      2 ESE Bliss Corner      41.60N 70.90W
08/26/2024                   Bristol            MA   Law Enforcement

            In New Bedford: Fort Taber entrance is
            flooded and impassable. Relayed via amateur
            radio.

0253 PM     Hail             3 NW Farmington         41.75N 72.88W
08/26/2024  M0.88 Inch       Hartford           CT   Public

            Nickel sized hail.

0300 PM     Hail             Stafford Springs        41.95N 72.31W
08/26/2024  M1.00 Inch       Tolland            CT   Amateur Radio

            In the Stafford Springs area.

&&
Local storm report, Aug 26, 3:52 PM EDT, 48 minutes before
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Local storm report, Aug 26, 4:09 PM EDT, 31 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 9:53 AM EDTSpecial Marine WarningBOX52 min
Aug 26, 10:11 AM EDTSpecial Marine WarningBOX49 min
Aug 26, 10:47 AM EDTSpecial Marine WarningBOX28 min
Aug 26, 11:29 AM EDTSpecial Marine WarningBOX46 min
Aug 26, 12:09 PM EDTSpecial Marine WarningBOX51 min
Aug 26, 12:11 PM EDTSpecial Marine WarningBOX49 min
Aug 26, 12:15 PM EDTSpecial Marine WarningBOX60 min
Aug 26, 12:31 PM EDTSevere Thunderstorm WarningBOXPlymouth44 min
Aug 26, 12:34 PM EDTSpecial Weather StatementBOXBarnstable86 min
Aug 26, 12:39 PM EDTSevere Thunderstorm WarningBOXBarnstable25 min
Aug 26, 12:51 PM EDTSevere Thunderstorm WarningBOXBarnstable, Plymouth39 min
Aug 26, 1:02 PM EDTSpecial Marine WarningBOX58 min
Aug 26, 1:20 PM EDTSevere Thunderstorm WarningBOXWorcester40 min
Aug 26, 1:28 PM EDTSpecial Weather StatementBOXPlymouth92 min
Aug 26, 1:32 PM EDTSevere Thunderstorm WarningBOXHampden43 min
Aug 26, 1:38 PM EDTSpecial Marine WarningBOX97 min
Aug 26, 1:39 PM EDTSevere Thunderstorm WarningBOXBristol, Plymouth36 min
Aug 26, 1:52 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampden, Hampshire38 min
Aug 26, 1:54 PM EDTSpecial Marine WarningBOX66 min
Aug 26, 2:04 PM EDTSpecial Marine WarningBOX56 min
Aug 26, 2:13 PM EDTFlash Flood WarningBOXHampden80 min
Aug 26, 2:15 PM EDTSevere Thunderstorm WarningBOXBristol45 min
Aug 26, 2:27 PM EDTFlash Flood WarningBOXBristol, Plymouth92 min
Aug 26, 2:54 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampden, Hampshire, Worcester37 min
Aug 26, 3:03 PM EDTSpecial Marine WarningBOX42 min
Aug 26, 3:05 PM EDTSpecial Marine WarningBOX55 min
Aug 26, 3:14 PM EDTSevere Thunderstorm WarningBOXBristol33 min
Aug 26, 3:18 PM EDTFlash Flood WarningBOXHampden, Hampshire2 hr
Aug 26, 3:43 PM EDTFlash Flood WarningBOXBristol2 hr
Aug 26, 4:10 PM EDTSpecial Marine WarningBOX65 min
Aug 26, 4:29 PM EDTSpecial Marine WarningBOX61 min
Aug 26, 4:51 PM EDTSpecial Marine WarningBOX54 min
Aug 26, 5:32 PM EDTSpecial Marine WarningBOX43 min
Aug 26, 5:49 PM EDTSpecial Marine WarningBOX56 min
Aug 26, 3:10 PM EDTSevere Thunderstorm WarningBOXNewport, Washington50 min
Aug 26, 3:21 PM EDTFlash Flood WarningBOXKent, Newport, Washington2 hr
Aug 26, 2:48 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region32 min

Nearby

Severe Thunderstorm Warnings in Rhode Island, 2024Every severe thunderstorm warning in 2024

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.