Alert archive / Vermont / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 29, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Jul 17, 1997, 8:43 PM EDT for Orange County, Washington County, Vermont. It was in force for 62 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
- Jul 17, 1997, 8:43 PM EDT (00:43 UTC)
- Expired
- Jul 17, 1997, 9:45 PM EDT
- In force
- 62 min
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
Counties Orange County, VT, Washington County, VT
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 17, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Gray, ME (KGYX), launched 00:00Z, 0.7 hours before the alert went out and 181 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.
- Mixed-layer CAPE
- 596 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1661 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBTV 180046 RRA SVRBTV VTC017-023-180145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BURLINGTON VT 843 PM EDT THU JUL 17 1997 THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL VERMONT ...ORANGE COUNTY IN NORTH CENTRAL VERMONT ...WASHINGTON COUNTY AT 840 PM DOPPLER RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS NEAR MIDDLESEX. THIS STORM WILL AFFECT THE CITIES OF MONTPELIER...BARRE... NORTHFIELD AND WILLIAMSTOWN THROUGH 9 PM. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. PEOPLE OUTSIDE SHOULD MOVE TO A SAFE INDOOR SHELTER. STAY AWAY FROM WINDOWS...DOORS...AND OUTSIDE WALLS. TARDY/KJC
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 Jul 17, 8:24 PM EDT, 19 minutes earlier.
Area forecast discussion, Jul 17, 8:24 PM EDT, 19 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BURLINGTON VT 815 PM EDT THU JUL 17 1997 SEVERE TSTM WATCH IN EFFECT FOR FA UNTIL 10 PM. CRNTLY (00Z)...A LINE OF SEVERE TSTMS WAS PASSING THRU WASHINGTON/ERN CHITTENDEN AND ADDISON CTYS WITH SOME PRECEDING CELLS IN ADDISON CTY. IMMEDIATELY THEREAFTER...CLRG SKIES ON THE HORIZON. THEREFORE...WUD SUSPECT NY PTNS OF WATCH TO BE DISCONTINUED WITHIN THE HOUR. IN VT...TSTMS WL LKLY NOT EXIT ERN VT BTWN 9-10 PM. MOST TSTM ACTVTY FAST MOVING WITH NO CRNT EVIDENCE OF TRAINING AND ON OUTSKIRTS OF AREA IMPACTED BY ERLR FLOODING THIS WEEK. NO EVIDENCE OF ANY RENEWED FLOODING...BUT WL KEEP AN EYE FOR THIS SENSITIVE AREA AS A QUICK INCH OR MORE POSSIBLE. THIS LINE SHLD BE THE LAST HURRAH FOR AWHILE UNTIL MORE ACTVTY ASSOC WITH COLD FRNT IN ONTARIO APPROACHES FA AFT MIDNIGHT. CRNT FCST HAS WORDING OF SHOWERS/TSTMS UNTIL MIDNIGHT BUT BASED ON ACTVTY IN ONTARIO...WUD THINK MORE SHOWERnS BFR DAYBREAK AND SHLD LEAVE IN FCST. ALY...MAY HAVE MORE INPUT CLOSER TO ISSUANCE TIME AFT SVR WX THREAT EXITS. KCXX HAS BEEN UP LESS THAN AN HOUR SO NO PCPN PRODUCTS ATTM. SLW
In the hours before
Special weather statement, Jul 17, 4:27 PM EDT, 4 hours 16 minutes before
NYZ026>031-034-035-VTZ001>012-180230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 427 PM EDT THU JUL 17 1997 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL OF NORTHERN NEW YORK AND ALL OF VERMONT UNTIL 10 PM EDT THIS EVENING... THUNDERSTORMS EXTENDING FROM EASTERN ONTARIO TO NORTHWESTERN VERMONT WILL CONTINUE TO DEVELOP AND MOVE EAST-SOUTHEASTWARD THROUGH THE WATCH AREA THIS AFTERNOON AND EVENING. THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINFALL THAT COULD PRODUCE FLOODING. IF THREATENING CONDITIONS DEVELOP BE PREPARED TO MOVE INSIDE TO AVOID WIND AND HAIL. IF HEAVY RAINS PERSIST...BE PREPARED TO MOVE TO HIGHER GROUND. SATURATED GROUND FROM RECENT FLOODING IN PORTIONS OF NORTHERN VERMONT MAKE THAT AREA PARTICULARLY VULNERABLE TO A REDEVELOPMENT OF FLOODING CONDITIONS. STAY TUNED TO MEDIA OUTLETS OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND ANY POSSIBLE WARNINGS AS ISSUED BY THE NATIONAL WEATHER SERVICE IN BURLINGTON. BELL
Special weather statement, Jul 17, 4:29 PM EDT, 4 hours 14 minutes before
NYZ026>031-034-035-VTZ001>012-180230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 427 PM EDT THU JUL 17 1997 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL OF NORTHERN NEW YORK AND ALL OF VERMONT UNTIL 10 PM EDT THIS EVENING... THUNDERSTORMS EXTENDING FROM EASTERN ONTARIO TO NORTHWESTERN VERMONT WILL CONTINUE TO DEVELOP AND MOVE EAST-SOUTHEASTWARD THROUGH THE WATCH AREA THIS AFTERNOON AND EVENING. THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINFALL THAT COULD PRODUCE FLOODING. IF THREATENING CONDITIONS DEVELOP BE PREPARED TO MOVE INSIDE TO AVOID WIND AND HAIL. IF HEAVY RAINS PERSIST...BE PREPARED TO MOVE TO HIGHER GROUND. SATURATED GROUND FROM RECENT FLOODING IN PORTIONS OF NORTHERN VERMONT MAKE THAT AREA PARTICULARLY VULNERABLE TO A REDEVELOPMENT OF FLOODING CONDITIONS. STAY TUNED TO MEDIA OUTLETS OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND ANY POSSIBLE WARNINGS AS ISSUED BY THE NATIONAL WEATHER SERVICE IN BURLINGTON. BELL
Local storm report, Jul 17, 6:32 PM EDT, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
632 PM EDT THU JUL 17 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0420 PM MASSENA ARPT NY 58 MPH TSTM GUST
07/17/97 ST LAWRENCE WIND REPORTED AT RICHARDS
FIELD AIRPORT
0510 PM MADRID NY WIND DAMAGE
07/17/97 ST LAWRENCE LARGE TREES DOWNED BY
WIND.
0535 PM MILTON VT WIND DAMAGE
07/17/97 CHITTENDEN LARGE TREES DOWN ON HOUSES
AND PORCH ROOF BLOWN OFF.
POWER LINES DOWN.Local storm report, Jul 17, 6:35 PM EDT, 2 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
632 PM EDT THU JUL 17 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0420 PM MASSENA ARPT NY 58 MPH TSTM GUST
07/17/97 ST LAWRENCE WIND REPORTED AT RICHARDS
FIELD AIRPORT
0510 PM MADRID NY WIND DAMAGE
07/17/97 ST LAWRENCE LARGE TREES DOWNED BY
WIND.
0535 PM MILTON VT WIND DAMAGE
07/17/97 CHITTENDEN LARGE TREES DOWN ON HOUSES
AND PORCH ROOF BLOWN OFF.
POWER LINES DOWN.Local storm report, Jul 17, 7:48 PM EDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
748 PM EDT THU JUL 17 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0420 PM MASSENA ARPT NY 58 MPH TSTM GUST
07/17/97 ST LAWRENCE WIND REPORTED AT RICHARDS
FIELD AIRPORT
0510 PM MADRID NY WIND DAMAGE
07/17/97 ST LAWRENCE LARGE TREES DOWNED BY
WIND.
0535 PM MILTON VT WIND DAMAGE
07/17/97 CHITTENDEN LARGE TREES DOWN ON HOUSES
AND PORCH ROOF BLOWN OFF.
POWER LINES DOWN.
0610 PM WINDSOR VT 60 MPH TSTM GUST
07/17/97 WINDSOR LARGE TREES DOWN. WIND
ESTIMATED 50-70 MPH BY
POLICE.Local storm report, Jul 17, 7:50 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
748 PM EDT THU JUL 17 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0420 PM MASSENA ARPT NY 58 MPH TSTM GUST
07/17/97 ST LAWRENCE WIND REPORTED AT RICHARDS
FIELD AIRPORT
0510 PM MADRID NY WIND DAMAGE
07/17/97 ST LAWRENCE LARGE TREES DOWNED BY
WIND.
0535 PM MILTON VT WIND DAMAGE
07/17/97 CHITTENDEN LARGE TREES DOWN ON HOUSES
AND PORCH ROOF BLOWN OFF.
POWER LINES DOWN.
0610 PM WINDSOR VT 60 MPH TSTM GUST
07/17/97 WINDSOR LARGE TREES DOWN. WIND
ESTIMATED 50-70 MPH BY
POLICE.The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 1:36 AM EDT | Severe Thunderstorm Warning | BTV | Addison, Chittenden | 54 min |
| Jul 18, 2:01 AM EDT | Severe Thunderstorm Warning | BTV | Washington | 59 min |
| Jul 18, 2:35 AM EDT | Severe Thunderstorm Warning | BTV | Orange | 55 min |
| Jul 18, 4:40 PM EDT | Severe Thunderstorm Warning | BTV | Orange | 20 min |
Nearby
Severe Thunderstorm Warnings in Vermont, 1997Every severe thunderstorm warning in 1997
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.