Alert archive / New York / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 13, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at May 17, 1991, 5:14 PM EDT for Columbia County, New York. It was in force for 46 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
- May 17, 1991, 5:14 PM EDT (21:14 UTC)
- Expired
- May 17, 1991, 6:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Albany, NY
- Area
- Whole counties
County Columbia County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 17, 5:20 PM EDT | Thunderstorm Wind 0 | Columbia, 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, 9.2 hours before the alert went out and 52 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1472 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KALB 172118 SVRALB NYC021-172200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ALBANY NY 514 PM EDT FRI MAY 17 1991 THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN EAST NEW YORK ...COLUMBIA COUNTY AT 515 PM A SEVERE THUNDERSTORM WAS ABOUT 10 MILES NORTHWEST OF CHATHAM. IT WAS MOVING EAST AT 45 MPH AND WILL PASS JUST SOUTH OF CANAAN BETWEEN 530 AND 545 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 THUWNDERSTORMS. 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, May 17, 3:17 PM EDT, 1 hour 57 minutes before
NYZ009-010-012-018>020-171930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 315 PM EDT FRI MAY 17 1991 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 700 PM EDT FOR FULTON...HERKIMER...MONTGOMERY...HAMILTON...SARATOGA...SCHENECTADY... SCHOHARIE...WARREN AND WASHINGTON COUNTIES IN NEW YORK... AT 300 PM A LINE OF SHOWERS AND THUNDERSTORMS WAS FROM NEAR RUTLAND VERMONT TO ONEONTA. THE STORMS WITH THE HEAVIEST RAIN AND POSSIBLY HAIL WAS FROM ROCK CITY FALLS IN SARATOGA COUNTY TO TRIBES HILL IN MONTGOMERY COUNTY. ANOTHER VERY HEAVY THUNDERSTORM WAS 10 MILES SOUTHEAST OF GLOVERSVILLE IN FULTON COUNTY. THE STORMS WERE MOVING RAPIDLY EAST AT AROUND 45 MILES AN HOUR. THEY WILL MOVE THROUGH THE IMMEDIATE CAPITAL DISTRICT CITIES OF SCHENECTADY ...ALBANY AND TROY BETWEEN 400 PM AND 430 PM. A SEVERE THUNDERSTORM WATCH MEANS THAT THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE. IF THREATENING WEATHER APPROACHES ...YOU SHOULD GO INDOORS IMMEDIATELY AND STAY AWAY FROM WINDOWS. YOUR NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THESE STORMS CLOSELY. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATION FOR FURTHER UPDATES AND STATEMENTS. SL
Special weather statement, May 17, 3:54 PM EDT, 1 hour 20 minutes before
NYZ009-010-012-018>020-171930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 355 PM EDT FRI MAY 17 1991 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 700 PM EDT FOR FULTON...HERKIMER...MONTGOMERY...HAMILTON...SARATOGA...SCHENECTADY... SCHOHARIE...WARREN AND WASHINGTON COUNTIES IN NEW YORK... AT 345 THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN SOUTHERN SARATOGA COUNTY FROM ROUND LAKE TO CLIFTON PARK. THE STORMS EXTENDED INTO THE CITY OF SCHENECTADY. THEY WERE MOVING EAST AROUND 45 MILES AN HOUR. THUNDERSTORMS WILL MOVE THROUGH THE CAPITAL DISTRICT UNTIL 430 PM. THESE STORMS MAY CONTAIN HAIL AND GUSTY WINDS. IF THREATENING WEATHER APPROACHES...YOU SHOULD GO INDOORS IMMEDIATELY AND STAY AWAY FROM WINDOWS. SL
Local storm report, May 17, 4:23 PM EDT, 51 minutes before
FRIDAY MAY 17, 1991 1620 EDT...HOOSIC /20 ENE ALB/ WIRES DOWN (FROM POLICE DEPT) LJM
Local storm report, May 17, 4:24 PM EDT, 50 minutes before
STROM REPORT NATIONAL WEATHER SERVICE ALBANY, NY 425 PM EDT FRI MAY 17 1991 1620 EDT...HOOSIC /20 ENE ALB/ WIRES DOWN (FROM POLICE DEPT) LJM
Local storm report, May 17, 4:35 PM EDT, 39 minutes before
STROM REPORT
NATIONAL WEATHER SERVICE ALBANY, NY
425 PM EDT FRI MAY 17 1991
1620 EDT...HOOSIC /20 ENE ALB/ WIRES DOWN (FROM POLICE DEPT)
1625 EDT...EASTON /EXTREME SW WASHINGTON CO/ WIRES DOWN
I (SHERIFF)
LJMLocal storm report, May 17, 4:49 PM EDT, 25 minutes before
STROM REPORT
NATIONAL WEATHER SERVICE ALBANY, NY
448 PM EDT FRI MAY 17 1991
1620 EDT...HOOSIC /20 ENE ALB/ WIRES DOWN (FROM POLICE DEPT)
1625 EDT...EASTON /EXTREME SW WASHINGTON CO/ WIRES DOWN
(SHERIFF)
1645 EDT...COUPLE OF TREES DOWN VICINITY OF TOMHANNOCK RESEVOIR
(13 ENE ALB) AND TOWN OF MELROSE (9 NE ALB) ABOUT
425 PM
LJMThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 4:08 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer | 67 min |
| May 17, 4:22 PM EDT | Severe Thunderstorm Warning | ALY | Washington | 38 min |
| May 17, 5:30 PM EDT | Severe Thunderstorm Warning | ALY | Ulster | 60 min |
| May 17, 6:11 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 64 min |
Nearby
Severe Thunderstorm Warnings in New York, 1991Every severe thunderstorm warning in 1991
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.