Alert archive / New York / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 42, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Aug 3, 1997, 12:28 AM EDT for St. Lawrence County, New York. It was in force for 62 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
- Aug 3, 1997, 12:28 AM EDT (04:28 UTC)
- Expired
- Aug 3, 1997, 1:30 AM EDT
- In force
- 62 min
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County St. Lawrence County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 3, 12:30 AM EDT | Hail 0.75 | Ogdensburg, NY | Trees and power lines were blown down in addition to the hail. |
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 00:00Z, 4.5 hours before the alert went out and 226 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
- 38 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1361 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 2, 9:05 PM EDT, 3 hours 23 minutes earlier.
Area forecast discussion, Aug 2, 9:05 PM EDT, 3 hours 23 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BURLINGTON VT 905 PM EDT SAT AUG 2 1997 KCXX VRY ACTIVE ATTM...ALTHOUGH TREND IS WEAKENING ACTVTY. CRNT ACTVTY ALG CAN/US BDR APPRS TO BE COLD FRONT AND ACTVTY SHLD CONT ALG FRNT UNTIL IT PASSES. NO REAL TIME TO PLAY WITH UPDATE...WUD FVR MNTN OF TSTM FOR CHAMPL VLY/NRN VT TIL MIDNIGHT WITH PSBL SHOWERS THEREAFTER. STL A THREAT OF SHOWERS IN ST.LWRNC/ADRNDKS BASED ON -SHRA ACTVTY UPSTREAM TOWARD MONTREAL. GOT TO GO...BYE SLW
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 2:36 AM EDT | Severe Thunderstorm Warning | BTV | Washington | 54 min |
| Aug 2, 8:15 PM EDT | Severe Thunderstorm Warning | BTV | St. Lawrence | 60 min |
| Aug 3, 1:06 AM EDT | Flash Flood Warning | BTV | Essex, Franklin | 69 min |
| Aug 3, 1:06 AM EDT | Severe Thunderstorm Warning | BTV | Essex, Franklin | 69 min |
Nearby
Severe Thunderstorm Warnings in New York, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.