Alert archive / New York / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 39, NWS Albany, NY

August 7, 1986Washington County, New York

NWS Albany, NY issued this severe thunderstorm warning at Aug 7, 1986, 4:22 PM EDT for Washington County, New York. It was in force for 68 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
Aug 7, 1986, 4:22 PM EDT (20:22 UTC)
Expired
Aug 7, 1986, 5:30 PM EDT
In force
68 min
Issued by
NWS Albany, NY
Area
Whole counties

County Washington 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 7, 5:20 PM EDTThunderstorm Wind 0Washington, NY
Aug 7, 5:20 PM EDTThunderstorm Wind 0Washington, 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

Gray, ME (KGYX), launched 12:00Z, 8.4 hours before the alert went out and 263 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, Gray, ME at 12:00Z on 1986-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 1986-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3598 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 072023
SVRALB
NYC115-072130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
422 PM EDT THU AUG 7 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 530 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES OF

NEW YORK...WASHINGTON

AT 415 PM EDT A SEVERE THUNDERSTORM WAS NEAR SARATOGA SPRINGS IN
SARATOGA COUNTY.  GOLF BALL SIZE HAIL WAS REPORTED THERE WITH THIS
STORM.  IT/S MOVING TO THE EAST ABOUT 25 MPH.

THIS STORM ALSO CONTAINS FREQUENT LIGHTNING.  REMEMBER..LIGHTNING
CAN BE A KILLER.

IT MAY CAUSE FLOODING OF SMALL STREAMS..ROADS AND UNDERPASSES

IT/S A DANGEROUS STORM.  IF YOU/RE IN THE WARNED AREA..
ESPECIALLY BOATING ON A LAKE..MOVE TO A SAFE SHELTER FAST.
BE READY FOR DAMAGING WINDS..LARGE HAIL AND LIGHTNING.

GET TO A SHELTERED PLACE FAST IF THE WEATHER LOOKS THREATENING.
HIGH WINDS WILL DOWN BRANCHES AND POWER LINES..AND MAY UPROOT
TREES.  SO STAY OUT OF SPOTS WHERE FALLING DEBRIS COULD BE
DANGEROUS.

IF THREATENING WEATHER APPROACHES..GO TO A SAFE PLACE RIGHT AWAY.
ONCE THE STORM PASSES..CALL AND REPORT ANY SEVERE WEATHER TO YOUR
NEAREST LAW ENFORCEMENT PEOPLE.  ASK THEM .TO RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE IN ALBANY.

BACH

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 7, 12:12 PM EDT, 4 hours 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
1150 AM EDT THU AUG 7 1986

MORE RAIN IS SCHEDULED FOR ALL OF VERMONT AND NEW YORK.

INTENSE THUNDERSTORMS..PRODUCING HEAVY DOWNPOURS..STRONG WINDS..
AND HAIL WILL PLAGUE EASTERN NEW YORK AND VERMONT THIS AFTERNOON
AND EVENING.

TORRENTIAL RAINS FROM THE THUNDERSTORMS WILL LIKELY CAUSE
LOCALIZED FLOODING PROBLEMS IN POOR DRAINAGE AREAS AND NEAR
SMALL STREAMS.

IF YOU LIVE IN AN AREA PRONE TO FLOODING FROM HEAVY DOWNPOURS
KEEP ALERT.  AND BE READY TO TAKE PRECAUTIONARY MEASURES SHOULD
RISING WATER THREATEN YOU.

SPECIAL STATEMENTS WILL BE ISSUED THIS AFTERNOON AND EVENING
TO KEEP YOU INFORMED AS TO WHERE THE HEAVIEST THUNDERlSTORMS ARE.

WILEY
Special weather statement, Aug 7, 2:05 PM EDT, 2 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
200 PM EDT THU AUG 7 1986

THUNDERSTORMS WERE FORMING OVER THE WESTERN MOHAWK VALEY

THUNDERSTORMS WITH HEAVY RAINS, AND GUSTY WINDS WERE IN THE
WESTERN MOHAWK VALLEY. THEY MAY HAVE SMALL HAIL. THE STRONGEST STORM WAS
BETWEEN SYACUSE AND UTICA..NEAR LONDON IN ONEIDA COUNTY.

OTHER THUNDERSTORMS WERE IN THE LOWER HUDSON VALLEY BETWEEN
WAPPENGERS FALLS AND BEACON DUTCHESS COUNTY. ANOTHER THUNDERRSTORM
WITH VERY HEAVY RAIN WAS OVER BENNINGTON COUNTY VERMONT. IT WAS JUST
NORTH OF THE TOWN OF BENNINGTON.

NUMEROUS SHOWERS WERE OVER CONNECTICUT.

SNYDER
Special weather statement, Aug 7, 3:10 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
310 PM EDT THU AUG 7 1986

A VERY HEAVY THUNDERSTORMS WAS OVER SOUTHWEST SARATOGA COUNTY

NATIONAL WEATHER SERVICE RADAR SHOWED A THUNDERSTORM2 WITH TORRENTIAL
DOWNPOURS OVER SOUTHWEST SARATOGA COUNTY. IT HAD FREQUENT LIGHTNING
AND MAY HAVE STRONG GUSTY WINDS.

IT WAS MOVING NORTHEAST AT 30 MPH AND WILL MOVE ACROSS THE COUNTY.

SNYDER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 3:28 PM EDTSevere Thunderstorm WarningALYSaratoga, Washington62 min
Aug 7, 4:10 PM EDTSevere Thunderstorm WarningALYHamilton65 min
Aug 7, 5:17 PM EDTSevere Thunderstorm WarningALYWarren73 min
Aug 7, 5:32 PM EDTSevere Thunderstorm WarningALYFulton58 min
Aug 7, 6:16 PM EDTSevere Thunderstorm WarningALYRensselaer, Washington44 min
Aug 7, 7:03 PM EDTSevere Thunderstorm WarningALYSaratoga, Washington57 min

Nearby

Severe Thunderstorm Warnings in New York, 1986Every severe thunderstorm warning in 1986

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.