Alert archive / Vermont / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 31, NWS Burlington, VT

June 25, 1998Addison County, Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Jun 25, 1998, 9:21 PM EDT for Addison County, Vermont. It was in force for 34 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 25, 1998, 9:21 PM EDT (01:21 UTC)
Expired: Jun 25, 1998, 9:55 PM EDT
In force: 34 min
Issued by: NWS Burlington, VT
Area: Whole counties

County Addison County, VT

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.4 hours before the alert went out and 159 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: 2224 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1105 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 10.2

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.

NWS Burlington, VT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 9:05 PM EDT, 16 minutes earlier.

Area forecast discussion, Jun 25, 9:05 PM EDT, 16 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
905 PM EDT THU JUN 25 1998

WILD EVENING ALREADY AND SERIOIUS FLOOD THREAT SETTING UP FOR
OVERNIGHT AND THROUGH FRIDAY.  WORRIED ABOUT UPR DVGC AT RT REAR OF
NW FLOW JET MAX PASSING SEWRD THRU NERN VT TNGT WHICH COULD KEEP
CNVTN FIRING IN AIRMASS WITH 1.75 INCHES OF P.W. AND SOME OF THE
HIGHEST K INDEX VALUES WE SEE IN THIS PART OF THE COUNTRY.

THEN...WHILE MUCH STGR S/WV AND DVLPG H8 LOW APCHS FROM GT
LAKES...OVRRNG OF TNGTS THUNDERSTORM BNDRY SHUD KEEP NEW CNVTV
ACTIVITY POPPING FRIDAY.  DPNG H8 LOW PASSING OVERHEAD AND FALLING
THICKNESS SHUD WRING OUT SYNOPTIC RAIN ON INTO FRIDAY NIGHT.

RAINFALL MAX PRBLY ALREADY OVER 1.5 INCHES IN TRI-LAKES OF
ADIRONDACKS WITH 1 INCH REPORTED IN LAST HOUR. LOTS MORE TO COME AS
DISCUSSED ABOVE.  IF AND WHEN ZONES ARE UPDATED AGAIN LATER THIS
EVENING...IT MIGHT BE A GOOD IDEA TO CONSIDER A FLOOD WATCH THRU AT
LEAST FRIDAY...ESPECIALLY IN NORTHERN NY WHERE TNGTS ACTIVITY IS
REALLY SATURATING EVERYTHING.  WOULDNT BE SURPRISED IF TWO DAY
TOTAL RAINFALL AMOUNTS TO 3 TO 5 INCHES ON NWRN SLOPES OF THE
NORTHERN ADIRONDACKS AND NRN GREEN MTNS.

BELL

In the hours before

Local storm report, Jun 25, 7:24 PM EDT, 1 hour 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
724 PM EDT THU JUN 25 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0707 PM    BRUSHTON                  NY   WIND DAMAGE
06/25/98   FRANKLIN                       NUMEROUS LARGE LIMBS...FEW
                                          TREES AND POWER LINES
                                          DOWN.  REPORTED BY COUNTY
                                          FIRE CONTROL.

Local storm report, Jun 25, 7:32 PM EDT, 1 hour 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
732 PM EDT THU JUN 25 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0707 PM    BRUSHTON                  NY   WIND DAMAGE
06/25/98   FRANKLIN                       NUMEROUS LARGE LIMBS...FEW
                                          TREES AND POWER LINES
                                          DOWN.  REPORTED BY COUNTY
                                          FIRE CONTROL.

0715 PM    DICKINSON                 NY   WIND DAMAGE
06/25/98   FRANKLIN                       NUMEROUS TREE LIMBS DOWNED
                                          BY STRONG WINDS...COUNTY
                                          FIRE CONTROL.

Special weather statement, Jun 25, 8:04 PM EDT, 1 hour 17 minutes before

NYZ026>031-034-035-VTZ001-005-009-011-260400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
804 PM EDT THU JUN 25 1998

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR NORTHERN NEW YORK
AND PORTIONS OF WESTERN VERMONT THROUGH MIDNIGHT...

THE SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING COUNTIES:

IN NEW YORK...CLINTON...ESSEX...FRANKLIN AND SAINT LAWRENCE
IN VERMONT...ADDISON AND RUTLAND

SEVERE THUNDERSTORMS HAVE ALREADY CROSSED PORTIONS OF NORTHERN NEW
YORK EARLIER THIS EVENING.  MORE THUNDERSTORMS ARE EXPECTED TO
DEVELOP AND MOVE ACROSS NORTHERN NEW YORK AND INTO WESTERN VERMONT...
ESPECIALLY SOUTH OF BURLINGTON THROUGH MIDNIGHT.

A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE.
YOU SHOULD WATCH FOR THREATENING WEATHER AND LISTEN TO NOAA WEATHER
RADIO...COMMERCIAL RADIO OR TELEVISION FOR FURTHER INFORMATION.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL AND DEADLY LIGHTNING ARE
ALL POSSIBLE IN A SEVERE THUNDERSTORM. STAY INSIDE AWAY FROM WINDOWS
UNTIL THE STORM HAS PASSED.

WHITTIER

Special weather statement, Jun 25, 8:04 PM EDT, 1 hour 17 minutes before

NYZ026>031-034-035-VTZ001-005-009-011-260400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
804 PM EDT THU JUN 25 1998

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR NORTHERN NEW YORK
AND PORTIONS OF WESTERN VERMONT THROUGH MIDNIGHT...

THE SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING COUNTIES:

IN NEW YORK...CLINTON...ESSEX...FRANKLIN AND SAINT LAWRENCE
IN VERMONT...ADDISON AND RUTLAND

SEVERE THUNDERSTORMS HAVE ALREADY CROSSED PORTIONS OF NORTHERN NEW
YORK EARLIER THIS EVENING.  MORE THUNDERSTORMS ARE EXPECTED TO
DEVELOP AND MOVE ACROSS NORTHERN NEW YORK AND INTO WESTERN VERMONT...
ESPECIALLY SOUTH OF BURLINGTON THROUGH MIDNIGHT.

A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE.
YOU SHOULD WATCH FOR THREATENING WEATHER AND LISTEN TO NOAA WEATHER
RADIO...COMMERCIAL RADIO OR TELEVISION FOR FURTHER INFORMATION.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL AND DEADLY LIGHTNING ARE
ALL POSSIBLE IN A SEVERE THUNDERSTORM. STAY INSIDE AWAY FROM WINDOWS
UNTIL THE STORM HAS PASSED.

WHITTIER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 9:49 PM EDT	Severe Thunderstorm Warning	BTV	Rutland	61 min
Jun 25, 8:42 PM EDT	Flash Flood Warning	BTV	Essex, Franklin	3 hr
Jun 25, 10:49 PM EDT	Flash Flood Warning	BTV	Clinton	4 hr
Jun 25, 11:51 PM EDT	Flash Flood Warning	BTV	Essex	3 hr
Jun 26, 1:57 AM EDT	Severe Thunderstorm Warning	BTV	St. Lawrence	63 min

Nearby

Severe Thunderstorm Warnings in Vermont, 1998 Every severe thunderstorm warning in 1998

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.