Alert archive / Vermont / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 116, NWS Burlington, VT

August 25, 2007Rutland County, Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Aug 25, 2007, 5:43 PM EDT for Rutland County, Vermont. It was in force for 44 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 25, 2007, 5:43 PM EDT (21:43 UTC)
Expired: Aug 25, 2007, 6:27 PM EDT
In force: 44 min
Issued by: NWS Burlington, VT
Area: Counties, with a storm outline in the text

County Rutland County, VT

The radar

The Burlington radar (KCXX), 104 km from the middle of the area, began a volume at 21:46 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.

Issued	Product	Office	Lasted
Aug 25, 1:58 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.7 hours before the alert went out and 118 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: 1654 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 643 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.7

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 Burlington, VT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 5:41 PM EDT, 2 minutes earlier.

Area forecast discussion, Aug 25, 5:41 PM EDT, 2 minutes before

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Hazardous weather outlook, Aug 25, 2:14 PM EDT, 3 hours 29 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BURLINGTON VT
214 PM EDT SAT AUG 25 2007

NYZ026>031-034-035-087-VTZ001>012-016>019-261815-
NORTHERN ST. LAWRENCE-NORTHERN FRANKLIN-EASTERN CLINTON-
SOUTHEASTERN ST. LAWRENCE-SOUTHERN FRANKLIN-WESTERN CLINTON-
WESTERN ESSEX-EASTERN ESSEX-SOUTHWESTERN ST. LAWRENCE-GRAND ISLE-
WESTERN FRANKLIN-ORLEANS-ESSEX-WESTERN CHITTENDEN-LAMOILLE-CALEDONIA-
WASHINGTON-WESTERN ADDISON-ORANGE-WESTERN RUTLAND-WINDSOR-
EASTERN FRANKLIN-EASTERN CHITTENDEN-EASTERN ADDISON-EASTERN RUTLAND-
214 PM EDT SAT AUG 25 2007

...SEVERE THUNDERSTORM WATCH 650 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW YORK...CENTRAL
VERMONT...NORTHEAST VERMONT...NORTHWEST VERMONT AND SOUTHERN
VERMONT.

.DAY ONE...THIS AFTERNOON AND TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON AND EVENING
ACROSS NORTHERN NEW YORK AS WELL AS CENTRAL AND NORTHERN VERMONT.

In the hours before

Local storm report, Aug 25, 4:36 PM EDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VT
436 PM EDT SAT AUG 25 2007

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

0416 PM     HAIL             JEFFERSONVILLE          44.64N 72.83W
08/25/2007  E0.75 INCH       LAMOILLE           VT   AMATEUR RADIO

&&

GERALDM

Local storm report, Aug 25, 4:36 PM EDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED...
NATIONAL WEATHER SERVICE BURLINGTON VT
436 PM EDT SAT AUG 25 2007

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

0435 PM     HAIL             JEFFERSONVILLE          44.64N 72.83W
08/25/2007  E0.75 INCH       LAMOILLE           VT   AMATEUR RADIO

&&

GERALDM

Local storm report, Aug 25, 5:01 PM EDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VT
501 PM EDT SAT AUG 25 2007

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

0445 PM     TSTM WND DMG     WHITING                 43.87N 73.20W
08/25/2007                   ADDISON            VT   PUBLIC

            TREE LIMBS DOWN.

&&

GERALDM

Local storm report, Aug 25, 5:05 PM EDT, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VT
505 PM EDT SAT AUG 25 2007

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

0502 PM     HAIL             JOHNSON                 44.64N 72.68W
08/25/2007  E0.75 INCH       LAMOILLE           VT   PUBLIC

&&

GERALDM

Local storm report, Aug 25, 5:17 PM EDT, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VT
517 PM EDT SAT AUG 25 2007

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

0510 PM     TSTM WND DMG     CASTLETON               43.62N 73.18W
08/25/2007                   RUTLAND            VT   PUBLIC

            NUMEROUS TREES DOWN. ALSO DIME SIZE HAIL

&&

GERALDM

Local storm report, Aug 25, 5:32 PM EDT, 11 minutes before

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The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 25, 4:24 PM EDT	Severe Thunderstorm Warning	BTV	Addison	66 min
Aug 25, 4:30 PM EDT	Severe Thunderstorm Warning	BTV	Lamoille, Orleans	60 min
Aug 25, 4:52 PM EDT	Severe Thunderstorm Warning	BTV	Rutland	53 min
Aug 25, 5:23 PM EDT	Severe Thunderstorm Warning	BTV	Windsor	67 min
Aug 25, 5:25 PM EDT	Severe Thunderstorm Warning	BTV	Chittenden, Washington	65 min
Aug 25, 5:28 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex	62 min
Aug 25, 6:24 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex	33 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2007 Every severe thunderstorm warning in 2007

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.