Alert archive / New York / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 39, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jul 20, 1990, 6:55 PM EDT for Dutchess County, New York. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Jul 20, 1990, 6:55 PM EDT (22:55 UTC)
- Expired
- Jul 20, 1990, 7:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Albany, NY
- Area
- Whole counties
County Dutchess County, NY
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Albany, NY (KALB), launched 12:00Z, 10.9 hours before the alert went out and 103 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
- 574 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 993 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KALB 202256 SVRALB NYC027-202345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ALBANY NY 655 PM EDT FRI JUL 20 1990 THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTHEAST NEW YORK ...DUTCHESS COUNTY AT 650 PM RADAR SHOWED A SEVERE THUNDERSTORM IN EXTREME NORTHERN DUTCHESS COUNTY NEAR PINE PLAINS. THAT/S 15 TO 20 MILES NORTHEAST OF POUGHKEEPSIE. THE LOCAL SHERIFF DEPARTMENT REPORTED TREES DOWN WITH THE STORM. THE STORM WAS MOVING EAST AT 40 MPH AND WILL BE NEAR MILLERTON IN NORTHEAST DUTCHESS COUNTY ABOUT 715 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Jul 20, 3:06 PM EDT, 3 hours 49 minutes before
NYZ008>013-018>020-202000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 305 PM EDT FRI JUL 20 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT FOR PARTS OF SOUTHERN AND EASTERN NEW YORK... AT 255 PM EDT A LINE OF SHOWERS AND SCATTERED THUNDERSTORMS WAS FROM GLENS FALLS ACROSS THE EASTERN MOHAWK VALLEY TO NEAR COOPERSTOWN. THE LINE WAS MOVING EAST AT 30 MPH. THE MOST ACTIVE STORMS WERE FROM THE SACANDAGA RESERVOIR ACROSS NORTHERN SARATOGA...AND SOUTHERN WARREN COUNTIES. THESE STORMS WILL PRODUCE VERY HEAVY RAIN WHICH COULD FLOOD ROADS AND UNDERPASSES. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT. IF THE WEATHER GETS THREATENING GET TO A SAFE PLACE FAST.
Special weather statement, Jul 20, 3:46 PM EDT, 3 hours 9 minutes before
NYZ008>013-018>020-202000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 345 PM EDT FRI JUL 20 1990 ...THUNDERSTORMS WITH VERY HEAVY RAIN AND GUSTY WINDS WERE MOVING THROUGH SCHOHARIE COUNTY... A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT FOR PARTS OF SOUTHERN AND EASTERN NEW YORK. AT 340 PM A CLUSTER OF THUNDERSTORMS WAS IN WESTERN SCHOHARIE COUNTY FROM SHARON TO SUMMIT. BY ABOUT 400 PM EDT THESE STORMS WILL BE ALONG HIGHWAY 30 FROM CENTRAL BRIDGE TO SCHOAHRIE AND MIDDLEBURGH. THESE STORMS WILL CAUSE VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLY HAIL. OTHER SHOWERS AND SCATTERED THUNDERSTORMS WERE FROM MANCHESTER VERMONT...ACROSS NORTHERN SARATOGA COUNTY TIO MONTGOMERY COUNTY. THEY WERE MOVING EAST AT 40 MPH. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. IF THE WEATHER GETS THREATENING...GET TO A SAFE SHELTER FAST.
Special weather statement, Jul 20, 4:14 PM EDT, 2 hours 41 minutes before
NYZ008>013-018>020-202100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 415 PM EDT FRI JUL 20 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT FOR PARTS OF SOUTHERN AND EASTERN NEW YORK... AT 410 PM EDT A LINE OF SHOWERS AND SCATTERED THUNDERSTORMS WAS FROM BENNINGTON VERMONT....ACROSS THE CAPITAL DISTRICT TO THE SCHOHARIE RESERVOIR. A THUNDERSTORM WITH VERY HEAVY RAIN...AND POSSIBLY HAIL WAS IN THE NORTHEAST CORNER OF RENSSELAER COUNTY NEAR HOOSICK FALLS. IT/LL MOVE INTO VERMONT BY 430 PM. OTHER THUNDERSTORMS WITH HEAVY RAIN WERE OVER SOUTHERN SCHENECTADY AND NORTHERN ALBANY COUNTIES. THE PASSAGE OF THESE THUNDERSTORMS WILL ALSO CAUSE BRIEF WIND GUSTS TO BETWEEN 30 AND 40 MPH. < THE THUNDERSTORMS WERE MOVING EAST AT 40 MPH. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. IF THE WEATHER GETS THREATENING...GET TO A SAFE bSHELTER FAST.
Special weather statement, Jul 20, 4:46 PM EDT, 2 hours 9 minutes before
NYZ008>013-018>020-MAZ006-202130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 445 PM EDT FRI JUL 20 1990 ...THUNDERSTORMS WERE MOVING THROUGH SOUTHEAST NEW YORK... THE SEVERE THUNDERSTORM WATCH FOR NEW YORK IS NO LONGER IN EFFECT FROM THE CAPITAL DISTRICT NORTH AND WEST. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR ALL THE CATSKILLS...AND IN THE LOWER HUDSON VALLEY FOR COLUMBIA...GREENE AND ULSTER COUNTIES. AT 440 PM A LINE OF SHOWERS AND SCATTERED THUNDERSTORMS WAS FROM BENNINGTON VERMONT...ACROSS THE CAPITAL DISTRICT...TO 20 MILES EAST OF BINGHAMTON. THE LINE WAS MOVING SOUTHEAST AT 20 MPH. THUNDERSTORMS BETWEEN AVERILL PARK AND NASSUA IN RENSSELAER COUNTY WERE CAUSING VERY HEAVY RAIN AND WIND GUSTS TO 40 MPH. THESE STORMS WILL MOVE ACROSS NORTHERN RENSSELAER COUNTY BETWEEN 445 AND 500 PM. THEY/LL REACH NORTHWEST BERKSHIRE COUNTY AROUND 500 PM. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. IF THE WEATHER GETS THREATENING...GET TO A SAFE SHELTER FAST.
Special weather statement, Jul 20, 5:19 PM EDT, 1 hour 36 minutes before
NYZ008>013-018>020-MAZ006-202220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 520 PM EDT FRI JUL 20 1990 ...THUNDERSTORMS WERE MOVING INTO BERKSHIRE COUNTY MASSACHUSETTS... A SEVERE THUNDERSTORM WATCH IS IN EFECT UNTIL 800 PM EDT FOR THE CATSKILLS...AND IN THE LOWER HUDSON VALLEY FOR GREENE COLUMBIA AND ULSTER COUNTIES. AT 510 PM EDT A LINE OF SHOWERS AND SCATTERED THUNDERSTORMS WAS FROM NORTH ADAMS MASSACHUSETTS...WEST ACROSS NORTHERN COLUMBIA...GREENE AND NORTHWEST ULSTER COUNTIES. THE STORMS BETWEEN PITTSFIELD MASSACHUSTETTS AND CANAAN...IN COLUMBIA COUNTY NEW YORK WILL CAUSE VERY HEAVY RAIN AND WIND GUSTS TO 40 MPH. MUCH OF BERKSHIRE COUNTY WILL HAVE THUNDERSTORMS BETWEEN 520 PM AND 600 PM. < OTHER THUNDERSTORMS BETWEEN TANNERSVILLE IN GREENE COUNTY AND SLIDE MOUNTAIN IN ULSTER COUNTY WILL CAUSE VERY HEAVY RAIN AND GUSTY WINDS.
Special weather statement, Jul 20, 6:46 PM EDT, 9 minutes before
NYZ010-013-MAZ006-202330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 645 PM EDT FRI JUL 20 1990 ...THUNDERSTORMS WERE MOVING THROUGH THE LOWER HUDSON VALLEY... A SEVERE THUNDERSTORM WATCH IS IN EFECT UNTIL 800 PM EDT FOR THE CATSKILLS...AND IN THE LOWER HUDSON VALLEY FOR GREENE...COLUMBIA AND ULSTER COUNTIES. AT 640 PM A LINE OF SCATTERED THUNDERSTORMS WAS FROM THE LAKE TAGHKANIC STATE PARK IN COLUMBIA COUNTY...TO RHINEBECK IN DUSTCHESS COUNTY AND PORT JERVIS IN ORANGE COUNTY. THE LINE WAS MOVING SOUTHEAST AT 15 MPH. A THUNDERSTORM IN NORTHERN DUTCHESS COUNTY NEAR LAFFAYETTEVILLE... WHICH IS 15 MILES NORTHEAST OF POUGHKEEPSIE...HAD VERY HEAVY RAIN... SMALL HAIL AND FREQUENT LIGHTNING. IT/LL MOVE ALONG HIGHWAY 199 AND BE NEAR MILLERTON ABOUT 715 PM. THERE WERE SHOWERS AND SCATTERED THUDERSTORMS IN EXTREME SOUTHERN BERKSHIRE COUNTY. THEY/LL MOVE OUT OF THE COUNTY BY 715 PM. BE ON THE ALERT IF YOU/RE TRAVELING THIS EVENING. THUNDERSTORM RAINS CAN QUICKLY FLOOD STREETS...UNDERPASSES AND POOR DRAINAGE AREAS. AND REMEMBER...LIGHTNING IS THE THUNDERSTORM/S NUMBER ONE KILLER.
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; the sounding from the Mesonet's radiosonde archive.