Alert archive / Vermont / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 29, NWS Burlington, VT

June 24, 2013Addison County, Vermont; Essex County, New York

NWS Burlington, VT issued this severe thunderstorm warning at Jun 24, 2013, 1:36 PM EDT for Addison County, Vermont; Essex County, New York. It was in force for 39 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: Jun 24, 2013, 1:36 PM EDT (17:36 UTC)
Expired: Jun 24, 2013, 2:15 PM EDT
In force: 39 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon

Counties Essex County, NY, Addison County, VT

The radar

The Burlington radar (KCXX), 54 km from the middle of the area, began a volume at 17:36 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

Albany, NY (KALY), launched 12:00Z, 5.6 hours before the alert went out and 157 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: 276 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 1023 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.7

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 Jun 24, 1:33 PM EDT, 3 minutes earlier.

Area forecast discussion, Jun 24, 1:33 PM EDT, 3 minutes before

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Hazardous weather outlook, Jun 24, 3:44 AM EDT, 9 hours 52 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BURLINGTON VT
344 AM EDT MON JUN 24 2013

NYZ026>031-034-035-087-VTZ001>012-016>019-250745-
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-
344 AM EDT MON JUN 24 2013

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP AGAIN
THIS AFTERNOON...MAINLY FROM THE ADIRONDACKS EAST THROUGH VERMONT.
SOME STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL...GUSTY
WINDS...AND HEAVY RAINFALL. WHILE DIFFICULT TO PREDICT AT THIS
TIME...STORMS MAY REACH SEVERE LIMITS WITH SOME ISOLATED FLASH
FLOODING POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

VERY LITTLE CHANGE IN CONDITIONS IS EXPECTED THROUGH THE END OF
THE WEEK WITH AFTERNOON HEAT AND HUMIDITY CONTINUING TO PROVIDE
THE CHANCE FOR SHOWERS AND THUNDERSTORMS...SOME OF WHICH MAY
BECOME SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jun 24, 12:57 PM EDT, 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
1257 PM EDT MON JUN 24 2013

NYZ034-035-VTZ009-241745-
EASTERN ESSEX NY-WESTERN ADDISON VT-WESTERN ESSEX NY-
1257 PM EDT MON JUN 24 2013

...A STRONG THUNDERSTORM WILL MOVE THROUGH SOUTHERN ESSEX AND
SOUTHWESTERN ADDISON COUNTIES...

AT 1250 PM EDT...A STRONG THUNDERSTORM WAS 5 MILES NORTHEAST OF
VANDERWHACKER MOUNTAIN...MOVING EAST AT 20 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM AS WELL AS HEAVY
RAIN AND FREQUENT LIGHTNING.

LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
EXIT 28 I87...SEVERANCE...SCHROON LAKE...PHAROAH MOUNTAIN...
PARADOX...

GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.

LAT...LON 4383 7415 4400 7409 4391 7337 4380 7341
      4375 7386

NF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 2:06 PM EDT	Special Weather Statement	BTV	Chittenden	54 min
Jun 24, 2:09 PM EDT	Special Weather Statement	BTV	Chittenden	66 min
Jun 24, 2:13 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Rutland, Windsor	47 min
Jun 24, 2:18 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Orange, Washington, Windsor	42 min
Jun 24, 2:27 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Chittenden, Lamoille, Washington	63 min
Jun 24, 3:08 PM EDT	Special Weather Statement	BTV	Rutland	52 min
Jun 24, 3:16 PM EDT	Special Weather Statement	BTV	Orange	59 min
Jun 24, 3:17 PM EDT	Special Weather Statement	BTV	Orange	58 min
Jun 24, 3:29 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Chittenden, Franklin, Lamoille, Orleans, Washington	61 min
Jun 24, 3:31 PM EDT	Special Weather Statement	BTV	Rutland	59 min
Jun 24, 3:55 PM EDT	Severe Thunderstorm Warning	BTV	Orange, Windsor	50 min
Jun 24, 4:02 PM EDT	Special Weather Statement	BTV	Chittenden	58 min
Jun 24, 4:12 PM EDT	Special Weather Statement	BTV	Orange	48 min
Jun 24, 4:12 PM EDT	Severe Thunderstorm Warning	BTV	Chittenden, Franklin, Grand Isle, Lamoille	48 min
Jun 24, 4:38 PM EDT	Special Weather Statement	BTV	Rutland	82 min
Jun 24, 4:48 PM EDT	Special Weather Statement	BTV	Lamoille	57 min
Jun 24, 5:40 PM EDT	Special Weather Statement	BTV	Franklin, Grand Isle	80 min
Jun 24, 6:16 PM EDT	Special Weather Statement	BTV	Franklin, Grand Isle	59 min
Jun 24, 7:18 PM EDT	Special Weather Statement	BTV	Lamoille, Orleans	57 min
Jun 24, 12:57 PM EDT	Special Weather Statement	BTV	Essex	48 min
Jun 24, 1:33 PM EDT	Severe Thunderstorm Warning	BTV	Essex	27 min
Jun 24, 2:02 PM EDT	Special Weather Statement	BTV	Essex	58 min
Jun 24, 2:24 PM EDT	Severe Thunderstorm Warning	BTV	Clinton, Essex, Franklin	66 min
Jun 24, 3:37 PM EDT	Special Weather Statement	BTV	Clinton	53 min
Jun 24, 6:28 PM EDT	Severe Thunderstorm Warning	BTV	Clinton, Franklin, St. Lawrence	62 min
Jun 24, 7:35 PM EDT	Special Weather Statement	BTV	Clinton, Franklin	55 min
Jun 24, 7:52 PM EDT	Special Weather Statement	BTV	St. Lawrence	53 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2013 Severe Thunderstorm Warnings in New York, 2013 Every severe thunderstorm warning in 2013

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.