Alert archive / Vermont / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 49, NWS Burlington, VT

July 29, 1993Rutland County, Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Jul 29, 1993, 6:54 PM EDT for Rutland County, Vermont. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1993, 6:54 PM EDT (22:54 UTC)
Expired
Jul 29, 1993, 8:00 PM EDT
In force
66 min
Issued by
NWS Burlington, VT
Area
Whole counties

County Rutland County, VT

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 10.9 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 1993-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 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 1993-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
262 J/kg
Mixed-layer CIN
-123 J/kg
Mixed-layer LCL
1064 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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.

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.

In the hours before

Special weather statement, Jul 29, 2:19 PM EDT, 4 hours 35 minutes before
VTZALL-NYZ011-292000-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BURLINGTON VT
215 PM EDT THU JUL 22 1993

...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP IN VERMONT AND
NORTHEAST NEW YORK...

AT 200 PM...NUMEROUS SHOWERS AND THUNDERSTORMS WERE IN NORTHEAST NEW
YORK. THROUGH LATE THIS AFTERNOON THE SHOWER AND THUNDERSTORM
ACTIVITY WILL BECOME WIDESPREAD IN THE AREA.

BY 300 PM...A THUNDERSTORM WITH HEAVY RAIN WILL CROSS LAKE CHAMPLAIN
FROM COOPERSVILLE TO ALBURG VERMONT. THUNDERSTORMS WILL MOVE THROUGH
MUCH OF ESSEX AND CLINTON COUNTIES IN NEW YORK.  OTHER THUNDERSTORMS
WILL ENTER THE LOWER CHAMPLAIN VALLEY...IN RUTLAND COUNTY FROM FAIR
HAVEN TO THE PITTSFORD AREA.

A FEW DEVELOPING SHOWERS AND THUNDERSTORMS WILL ALSO BE MOVING ACROSS
THE NORTHEAST COUNTIES OF VERMONT.

SOME OF THE THUNDERSTORMS THROUGH THIS EVENING WILL HAVE THE
POTENTIAL TO PRODUCE DAMAGING WIND...HAIL AND TORRENTIAL DOWNPOtURS.
IF A SEVERE THUNDERSTORM IS IMMINENT OR OCCURRING...A SEVERE
THUNDERSTORM WARNING WILL BE ISSUED.

WHEN THREATENING WEATHER APPROACHES...SEEK SHELTER INSIDE A STRONG
BUILDING UNTIL THE STORMS PASS.

LAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 3:19 PM EDTSevere Thunderstorm WarningBTVRutland56 min
Jul 29, 3:28 PM EDTSevere Thunderstorm WarningBTVWashington47 min
Jul 29, 3:55 PM EDTSevere Thunderstorm WarningBTVAddison, Chittenden65 min
Jul 29, 4:18 PM EDTSevere Thunderstorm WarningBTVCaledonia, Washington57 min
Jul 29, 4:29 PM EDTSevere Thunderstorm WarningBTVWindham61 min
Jul 29, 5:12 PM EDTSevere Thunderstorm WarningBTVOrange, Windsor63 min
Jul 29, 5:55 PM EDTSevere Thunderstorm WarningBTVWindham35 min
Jul 29, 6:32 PM EDTSevere Thunderstorm WarningBTVBennington43 min
Jul 29, 2:55 PM EDTSevere Thunderstorm WarningBTVClinton35 min
Jul 29, 6:49 PM EDTTornado WarningBTVMadison21 min
Jul 29, 6:58 PM EDTTornado WarningBTVOneida47 min

Nearby

Severe Thunderstorm Warnings in Vermont, 1993Every severe thunderstorm warning in 1993

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.