Alert archive / New York / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 29, NWS Binghamton, NY

July 3, 1999Delaware County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 3, 1999, 9:24 PM EDT for Delaware County, New York. It was in force for 31 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 3, 1999, 9:24 PM EDT (01:24 UTC)
Expired: Jul 3, 1999, 9:55 PM EDT
In force: 31 min
Issued by: NWS Binghamton, NY
Area: Whole counties

County Delaware County, NY

The radar

The Binghamton radar (KBGM), 84 km from the middle of the area, began a volume at 01:28 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.

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 3, 8:45 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.4 hours before the alert went out and 108 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: 169 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

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 Binghamton, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 3, 7:06 PM EDT, 2 hours 18 minutes earlier.

Area forecast discussion, Jul 3, 7:06 PM EDT, 2 hours 18 minutes before

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In the hours before

Special weather statement, Jul 3, 3:33 PM EDT, 5 hours 51 minutes before

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Special weather statement, Jul 3, 3:33 PM EDT, 5 hours 51 minutes before

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Special weather statement, Jul 3, 8:42 PM EDT, 42 minutes before

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Special weather statement, Jul 3, 8:42 PM EDT, 42 minutes before

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The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 8:13 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Cortland, Madison	62 min
Jul 3, 8:52 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Otsego	48 min
Jul 4, 2:43 AM EDT	Severe Thunderstorm Warning	BGM	Oneida	62 min
Jul 4, 3:05 AM EDT	Severe Thunderstorm Warning	BGM	Madison	65 min
Jul 4, 3:36 AM EDT	Severe Thunderstorm Warning	BGM	Otsego	64 min
Jul 4, 6:41 AM EDT	Flash Flood Warning	BGM	Oneida	2 hr
Jul 4, 7:09 AM EDT	Severe Thunderstorm Warning	BGM	Delaware	46 min
Jul 4, 7:13 AM EDT	Severe Thunderstorm Warning	BGM	Otsego	47 min
Jul 4, 8:24 AM EDT	Flash Flood Warning	BGM	Otsego	61 min
Jul 4, 8:43 AM EDT	Tornado Warning	BGM	Delaware	32 min
Jul 4, 9:11 AM EDT	Flash Flood Warning	BGM	Delaware	2 hr
Jul 4, 9:46 AM EDT	Flash Flood Warning	BGM	Sullivan	89 min

Nearby

Severe Thunderstorm Warnings in New York, 1999 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.