Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 54, NWS Boston/Norton, MA

August 27, 1996Hampden County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 27, 1996, 6:21 PM EDT for Hampden County, Massachusetts. It was in force for 69 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 27, 1996, 6:21 PM EDT (22:21 UTC)
Expired
Aug 27, 1996, 7:30 PM EDT
In force
69 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Hampden County, MA

The radar

The Boston radar (KBOX), 125 km from the middle of the area, began a volume at 22:20 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

TimeReportWhereRemark
Aug 27, 6:30 PM EDTThunderstorm Wind 52Holyoke, MA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 10.4 hours before the alert went out and 116 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, Albany, NY at 12:00Z on 1996-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Albany, NY at 12:00Z on 1996-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
939 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 4:52 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire53 min
Aug 27, 5:34 PM EDTFlash Flood WarningBOXHampshire4 hr
Aug 27, 5:40 PM EDTFlash Flood WarningBOXHampshire65 min
Aug 27, 5:40 PM EDTSevere Thunderstorm WarningBOXHampshire65 min
Aug 27, 5:54 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region66 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.