Alert archive / New York / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 47, NWS Albany, NY

August 27, 1990Orange County, New York

NWS Albany, NY issued this severe thunderstorm warning at Aug 27, 1990, 1:47 PM EDT for Orange County, New York. It was in force for 28 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 27, 1990, 1:47 PM EDT (17:47 UTC)
Expired
Aug 27, 1990, 2:15 PM EDT
In force
28 min
Issued by
NWS Albany, NY
Area
Whole counties

County Orange County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Aug 27, 2:00 PM EDTThunderstorm Wind 0Orange, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 5.8 hours before the alert went out and 149 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 1990-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1990-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 km3 km6 km9 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
24 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
740 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KALB 271748
SVRALB
NYC071-271815-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
147 PM EDT MON AUG 27 1990
 
THE NATIONAL WEATHER SERVICE IN ALBANY NY  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTHEAST NEW YORK
 
   ...SOUTHERN ORANGE COUNTY
 
AT 145 PM RADAR INDICATED A SEVERE THUNDERSTORM IN ORANGE COUNTY NEAR
THE TOWN OF FLORIDA. THAT/S ABOUT 15 MILES SOUTHWEST OF NEWBURGH. THE
STORM WAS MOVING TOWARD THE SOUTHEAST AT 30 MPH AND WILL BE NEAR
GREENWOOD LAKE ABOUT 210 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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.

In the hours before

Special weather statement, Aug 27, 1:23 PM EDT, 24 minutes before
NYZ008-010>013-019>020-271815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
120 PM MON AUG 27 1990

SHOWERS AND A FEW THUNDERSTORMS WERE MOVING THROUGH THE HUDSON AND
CHAMPLAIN VALLEYS.

AT 115 PM A BAND OF SCATTERED SHOWERS AND ISOLATED THUNERSTORMS WAS
FROM BURLINGTON VERMONT...SOUTH TO THE CAPITAL DISTRICT...AND THEN
ALONG THE HUDSON RIVER INTO ORANGE COUNTY.

THE THUNDERTORMS WERE QUITE ISOLATED...BUT ONE STORM NEAR MIDDLETOWN
IN ORANGE COUNTY WAS DUMPING VERY HEAVY RAIN AND THERE WAS FREQUENT
LIGHTNING.  THE STORM WAS MOVING SOUTHEAST AT 30 MPH AND WILL BE
NEAR WEST POINT ABOUT 200 PM.  IF YOU/RE IN ITS PATH WATCH FOR VERY
HEAVY RAIN...POOR VISIBILITY AND LIGHTNING.
<

Nearby

Severe Thunderstorm Warnings in New York, 1990Every severe thunderstorm warning in 1990

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.