Alert archive / New York / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 1, NWS New York, NY

April 1, 1993Suffolk County, New York

NWS New York, NY issued this severe thunderstorm warning at Apr 1, 1993, 4:45 PM EST for Suffolk County, New York. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Apr 1, 1993, 4:45 PM EST (21:45 UTC)
Expired
Apr 1, 1993, 5:45 PM EST
In force
60 min
Issued by
NWS New York, NY
Area
Whole counties

County Suffolk County, NY

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 9.8 hours before the alert went out and 216 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 1993-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 1993-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.193958Sfc1 km3 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
765 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 7:00 AM ESTFlash Flood WarningOKXMiddlesex, Monmouth6 hr
Apr 1, 7:00 AM ESTFlash Flood WarningOKXHunterdon, Morris, Sussex, Warren6 hr
Apr 1, 7:00 AM ESTFlash Flood WarningOKXBergen, Essex, Passaic6 hr
Apr 1, 7:00 AM ESTFlash Flood WarningOKXHudson6 hr
Apr 1, 7:00 AM ESTFlash Flood WarningOKXSomerset, Union6 hr
Apr 1, 8:17 AM ESTFlash Flood WarningOKXRichmond3 hr
Apr 1, 8:17 AM ESTFlash Flood WarningOKXBronx, New York3 hr
Apr 1, 8:17 AM ESTFlash Flood WarningOKXOrange, Putnam, Rockland3 hr
Apr 1, 8:17 AM ESTFlash Flood WarningOKXKings, Queens3 hr
Apr 1, 8:17 AM ESTFlash Flood WarningOKXNassau, Suffolk3 hr
Apr 1, 1:00 PM ESTFlash Flood WarningOKXWestchester7 hr

Nearby

Severe Thunderstorm Warnings in New York, 1993Every severe thunderstorm warning in 1993

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.