Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 39, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Jun 29, 1998, 6:46 PM EDT for Franklin County, New York. It was in force for 89 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 29, 1998, 6:46 PM EDT (22:46 UTC)
- Expired
- Jun 29, 1998, 8:15 PM EDT
- In force
- 89 min
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County Franklin County, NY
The radar
The Burlington radar (KCXX), 91 km from the middle of the area, began a volume at 22:47 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 7:30 PM EDT | Hail 1.75 | Malone, NY |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.8 hours before the alert went out and 215 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
- 142 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 29, 2:30 PM EDT, 4 hours 16 minutes earlier.
Area forecast discussion, Jun 29, 2:30 PM EDT, 4 hours 16 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BURLINGTON VT 230 PM EDT MON JUN 29 1998 SEVERE CELLS ACROSS QUEBEC (SPLITTING CELLS). PROFILES SHOW CAPPED UNTIL THIS EVENING ACROSS FORECAST AREA. STILL EXPECT ACTIVITY TO GET CRANKING AND THE LONGER IT WAITS...THE GREATER THE INSTABILITY GETS. SHORT WAVE APPROACHING NORTH FORECAST AREA THIS EVENING. THIS COULD ENHANCE ACTIVITY ALONG CANADIAN BORDER. ACTIVITY COULD EXTEND WELL INTO NIGHT TIME HOURS AS ENVIRONMENT IS RIPE FOR SUPERCELLS. DEWPOINTS OF LOW AND MID 60S AND PRECIPITABLE WATERS OF 1 1/2 INCHES WILL ENSURE HEAVY DOWNPOURS. TROUGH TO COME THROUGH MID MORNING/EARLY AFTERNOON TUESDAY WITH COLD FRONT TUESDAY EVENING. H5 TROUGH AND VORTICITY MAXIMA TO COME THROUGH ON WEDNESDAY. LOOKS AS THOUGH THREAT FOR PRECIPITATION EACH PERIOD. FORECAST SUGGESTIONS... TONIGHT...SHOWERS AND THUNDERSTORMS LIKELY. THUNDERSTORMS WILL CONTAIN TORRENTIAL RAIN AND POSSIBLY DAMAGING WIND AND HAIL. LOW IN THE MID 60S. SOUTH WIND 10 TO 20 MPH. TUESDAY...SHOWERS AND THUNDERSTORMS LIKELY. HIGH IN THE LOW AND MID 80S. SOUTH TO SOUTHWEST WIND 10 TO 20 MPH. TUESDAY NIGHT...EVENING SHOWERS AND THUNDERSTORMS LIKELY THEN PARTLY CLOUDY OVERNIGHT. LOW AROUND 60. WEDNESDAY...A MIX OF SUN AND CLOUDS WITH A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS. HIGH 70 TO 75. DIGIORGI
In the hours before
Local storm report, Jun 29, 5:31 PM EDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VERMONT
531 PM EDT MON JUN 29 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0454 PM MOOERS NY .75 INCH HAIL
06/29/98 CLINTON REPORTED BY NWS EMPLOYEEThe office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 4:55 PM EDT | Severe Thunderstorm Warning | BTV | Clinton | 65 min |
| Jun 29, 5:04 PM EDT | Flash Flood Warning | BTV | Clinton | 3 hr |
| Jun 29, 6:46 PM EDT | Severe Thunderstorm Warning | BTV | Franklin, St. Lawrence | 94 min |
Nearby
Severe Thunderstorm Warnings in New York, 1998Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.