Alert archive / New Hampshire / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 499

June 25, 20005 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 25, 2000, 6:00 PM EDT for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 25, 2000, 6:00 PM EDT (22:00 UTC)
Expired
Jun 25, 2000, 11:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 30 counties

Berkshire County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Worcester County, MA, Androscoggin County, ME, Cumberland County, ME, Knox County, ME, Lincoln County, ME, Sagadahoc County, ME, York County, ME, Belknap County, NH, Carroll County, NH, Cheshire County, NH, Grafton County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Sullivan County, NH, Albany County, NY, Columbia County, NY, Delaware County, NY, Greene County, NY, Rensselaer County, NY, Schenectady County, NY, Schoharie County, NY, Bennington County, VT, Windham County, VT, Windsor County, VT

The radar

The Albany radar (KENX), 130 km from the middle of the area, began a volume at 22:03 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.

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 25, 6:17 PM EDTSevere Thunderstorm WarningALYRensselaer43 min
Jun 25, 6:28 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Cumberland32 min
Jun 25, 6:38 PM EDTSevere Thunderstorm WarningALYBennington52 min
Jun 25, 6:52 PM EDTSevere Thunderstorm WarningALYBerkshire53 min
Jun 25, 7:12 PM EDTSevere Thunderstorm WarningALYRensselaer33 min
Jun 25, 7:34 PM EDTSevere Thunderstorm WarningALYBerkshire71 min
Jun 25, 7:44 PM EDTSevere Thunderstorm WarningALYColumbia61 min
Jun 25, 8:36 PM EDTSevere Thunderstorm WarningALYBerkshire69 min
Jun 25, 8:56 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire49 min
Jun 25, 9:35 PM EDTFlash Flood WarningALYBerkshire3 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.0 hours before the alert went out and 108 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 2000-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 196 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 2000-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 300 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
196 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
300 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 1:00 PM EDTTornado WatchSPCFranklin, Oxford5 hr
Jun 25, 3:00 PM EDTSevere Thunderstorm WatchSPCBroome, Dutchess, Orange, Putnam, Rockland, Sullivan and 1 more5 hr

Nearby

Severe Thunderstorm Watches in New Hampshire, 2000Severe Thunderstorm Watches in New York, 2000Severe Thunderstorm Watches in Maine, 2000Every severe thunderstorm watch in 2000

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.