Alert archive / New York / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 91, NWS Binghamton, NY
NWS Binghamton, NY issued this severe thunderstorm warning at Jul 30, 1999, 2:51 PM EDT for Schuyler County, Steuben County, New York. It was in force for 64 min. 2 reports 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
- Jul 30, 1999, 2:51 PM EDT (18:51 UTC)
- Expired
- Jul 30, 1999, 3:55 PM EDT
- In force
- 64 min
- Issued by
- NWS Binghamton, NY
- Area
- Whole counties
Counties Schuyler County, NY, Steuben County, NY
The radar
The Binghamton radar (KBGM), 95 km from the middle of the area, began a volume at 18:54 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 |
|---|---|---|---|
| Jul 30, 2:52 PM EDT | Thunderstorm Wind 50 | Lindley, NY | Trees downed. |
| Jul 30, 3:10 PM EDT | Hail 1.75 | Tyrone, NY | Three children suffered head injuries from being struck several times by hail averaging the size of golfballs. |
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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.9 hours before the alert went out and 145 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
- 1575 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 992 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 2:44 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 31 min |
| Jul 30, 3:46 PM EDT | Severe Thunderstorm Warning | BGM | Chemung | 49 min |
| Jul 30, 4:14 PM EDT | Severe Thunderstorm Warning | BGM | Tioga | 31 min |
| Jul 30, 4:48 PM EDT | Severe Thunderstorm Warning | BGM | Chenango | 52 min |
| Jul 30, 5:05 PM EDT | Severe Thunderstorm Warning | BGM | Otsego | 50 min |
| Jul 30, 5:40 PM EDT | Severe Thunderstorm Warning | BGM | Broome | 50 min |
| Jul 30, 5:45 PM EDT | Severe Thunderstorm Warning | BGM | Chenango | 50 min |
| Jul 30, 4:31 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 49 min |
| Jul 30, 5:44 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 61 min |
Nearby
Severe Thunderstorm Warnings in New York, 1999Every severe thunderstorm warning in 1999
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.