Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Feb 16, 1990, 7:00 PM EST for Tioga County, Pennsylvania. It was in force for 60 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
- Feb 16, 1990, 7:00 PM EST (00:00 UTC)
- Expired
- Feb 16, 1990, 8:00 PM EST
- In force
- 60 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Tioga County, PA
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 16, 7:20 PM EST | Thunderstorm Wind 0 | Tioga, PA |
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
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.0 hours before the alert went out and 175 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
- 606 m above ground
- 0-6 km bulk shear
- 104 kt
- 0-1 km storm-relative helicity
- -153 m²/s²
- 0-3 km storm-relative helicity
- -223 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 KIPT 170001 SVRIPT PAC117-170100- BULLETIN-EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILLIAMSPORT PA 700 PM EST FRI FEB 16 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHCENTRAL PENNSYLVANIA...TIOGA AT 655 PM EST...TIOGA COUNTY EMA REPORTED THAT WESTFIELD IN NORTHWEST TIOGA COUNTY HAD SEVERE WINDS AND MARBLE SIZE HAIL. THESE THUNDERSTORMS WILL LIKELY PRODUCE DAMAGING WINDS..HAIL..HEAVY RAIN AND DANGEROUS LIGHTNING. A SEVERE THUNDERSTORM PRODUCES WINDS IN EXCESS OF 58 MPH AND/OR HAIL 3/4 INCH OR LARGER IN DIAMETER. THERE IS ALSO A THREAT OF TORNADOES IN THIS AREA. IF THREATENING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY. TO REPORT SEVERE WEATHER CALL THE NEAREST LAW ENFORCEMENT AGENCY OR EMERGENCY MANAGEMENT OFFICE AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. HM
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, Feb 16, 5:34 PM EST, 1 hour 26 minutes before
PAZ007-008-014-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 530 PM EST FRI FEB 16 1990 ...TORNADO WATCH FOR BRADFORD...CLINTON...LYCOMING...SULLIVAN AND TIOGA COUNTIES OF NORTHCENTRAL PENNSYLVANIA UNTIL 9 PM EST THIS FRIDAY EVENING... A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM THIS FRIDAY EVENING FOR BRADFORD...CLINTON...LYCOMING...SULLIVAN AND TIOGA COUNTIES OF NORTHCENTRAL PENNSYLVAINA. AT 530 PM EST NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF SHOWERS AND THUNDERSTORMS IN WESTERN PENNSYLVANIA. SEVERE THUNDERSTORMS HAVE OCCURED IN SOUTHWEST AS WELL AS NORTHWEST PENNSYLVANIA PRODUCING LARGE HAIL...DAMAGING WINDS AND HEAVY DOWNPOURS OF RAIN. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 35 MPH. NO SEVERE WEATHER HAS OCCURED IN NORTHCENTRAL PENNSYLVANIA HOWEVER...THE POTENTIAL EXISTS FOR SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES THIS FRIDAY EVENING. STAY TUNED TO NOAA WEATHER RADIO ORd YOUR LOCAL TELEVISION AND RADIO STATIONS FOR LATER STATEMENTS...WATCHES OR WARNINGS. JSN
Special weather statement, Feb 16, 6:03 PM EST, 57 minutes before
PAZ013-014-08-170100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA. 600 PM EST FRI FEB 16 1990 ...TORNADO WATCH FOR CENTRE...HUNTINGDON AND UNION COUNTIES OF CENTRAL PENNSYLVANIA UNTIL 9 PM EST FRIDAY... AT 557 PM EST HARRISBURG WEATHER RADAR WAS SHOWING A LINE OF SHOWERS AND THUNDERSTORMS IN WESTERN PENNSYLVANIA...CURRENTLY AT 557 PM EST THE LINE EXTENDED FROM WESTERN CLINTON COUNTY SOUTHWEST TO WESTERN WESTMORLAND COUNTY. THE STORMS IN PORTIONS OF THE WEST HAVE ALREADY PRODUCED LARGE HAIL... DAMAGING WINDS AND HEAVY DOWNPOURS OF RAIN. NO SEVERE WEATHER HAS YET OCCURED IN CENTRAL PENNSYLVANIA. HOWEVER THE POTENTIAL EXISTS FOR SEVERE THUNDERSTORMS AND POSSIBLY A TrORNADO THIS FRIDAY EVENING. PLEASE STAY TUNED FOR THE LATEDS UPDATES AND DEVELOPMENTS. WSO HAR RBH
Special weather statement, Feb 16, 6:56 PM EST, 4 minutes before
PAZ013-014-08-170100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA. 655 PM EST FRI FEB 16 1990 ...TORNADO WATCH FOR CENTRE...HUNTINGDON AND UNION COUNTIES OF CENTRAL PENNSYLVANIA UNTIL 9 PM EST FRIDAY... AT 650 PM EST HARRISBURG WEATHER RADAR WAS SHOWING A LINE OF SHOWERS AND THUNDERSTORMS IN WESTERN PENNSYLVANIA...CURRENTLY AT 650 PM THERE WAS A SEVERE SEVER THUNDERSTORM IN THE SOUTHERN PORTION OF CLEARFIELD COUNTY. THIS STORM HAS ALREADY PRODUCED WIND GUSTS OF 80 MPH WHEN IT WENT OVER INDIANA PA AT 615 PM. THE STORM IS MOVING EAST AT 30 MPH. PLEASE STAY TUNED FOR THE LATEST UPDATES. WSO HAR RBH
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 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.