Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 36, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 17, 1992, 5:43 PM EDT for Northumberland County, Snyder County, Pennsylvania. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1992, 5:43 PM EDT (21:43 UTC)
- Expired
- Jul 17, 1992, 6:30 PM EDT
- In force
- 47 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Northumberland County, PA, Snyder County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.7 hours before the alert went out and 211 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
- 30 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 17, 2:20 PM EDT, 3 hours 23 minutes before
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</html>Special weather statement, Jul 17, 3:10 PM EDT, 2 hours 33 minutes before
PAZ007-008-014-172000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 310 PM EDT FRI JUL 17 1992 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHCENTRAL PENNSYLVANIA UNTIL 800 PM EDT THIS EVENING... AT 305 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED SHOWERS AND EMBEDDED THUNDERSTORMS MOVING INTO CENTRAL SECTIONS OF PENNSYLVANIA. THE LEADING EDGE OF THE SHOWERS AND THUNDERSTORMS WAS EXTENDING FROM MILLS IN NORTHEAST POTTER COUNTY TO KEATING TO STATE COLLEGE...THEN SOUTH INTO NORTHERN VIRGINIA. THE STRONGEST THUNDERSTORMS WERE NEAR TAMARACK IN NORTHERN CLINTON COUNTY AND NORTHEAST OF COUDERSPORT IN POTTER COUNTY. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH. THE THUNDERSTORM NEAR TAMARACK WILL MOVE ACROSS SLATE RUN IN NORTHWEST LYCOMING COUNTY...WHILE THE THUNDERSTORM NEAR COUDERSPORT WILL MOVE ACROSS WESTFIELD IN TIOGA COUNTY BY 400 PM EDT. REMEMBER ANY THUNDERSTORMS CAN CONTAIN STRONG GUSTY WINDS...HEAVY DOWNPOURS...LARGE HAIL AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES...MOVE TO A SAFE PLACE IMMEDIATELY. SEVERE THUNDERSTORMS CAN DEVELOP RAPIDLY...SO REMAIN ALERT FOR CHANGING WEATHER CONDITIONS. REMEMBER A SE"VERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATION FOR LATER UPDATES OR POSSIBLE WARNINGS. TG/HM
Special weather statement, Jul 17, 3:39 PM EDT, 2 hours 4 minutes before
PAZ013-009-172200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OFFICE HARRISBURG, PA 330 PM EDT FRI JUL 17 1992 ...STRONG THUNDERSTORMS ARE MOVING INTO THE LOWER SUSQUEHANNA VALLEY... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTH CENTRAL PA EXCEPT FOR LANCASTER AND LEBANON COUNTIES... AT 330 PM HARRISBURG RADAR SHOWED STRONG THUNDERSTORMS DEVELOPING ACROSS FRANKLIN COUNTY PA. THE STRONGEST STORM WAS LOCATED 10 MILES SOUTHWEST OF MERCERSBURG. THESE STORMS ARE MOVING TO THE NORTHEAST AT 30 MILES PER HOUR. THEY ARE EXPECTED TO REACH THE SHIPPENSBURG AREA AROUND 400 PM...THE CARLISLE AREA BETWEEN 430 AND 500 PM...AND THE HARRISBURG AREA BETWEEN 500 AND 530 PM. THESE THUNDERSTORMS MAY CONTAIN STRONG GUSTY WINDS...HAIL...AND VERY HEAVY DOWNPOURS. PONDING OF WATER IN LOW LYING AREAS AND URBAN AND SMALL STREAM FLOODING ARE ALSO POSSIBLE. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FORR THE FURTHER INTENSIFICATION OF THESE STORMS. WHEN THREATENING WEATHER APPROACHES TAKE SHELTER INSIDE BUT STAY AWAY FROM WINDOWS. STAY TUNED TO THIS STATION FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. AHNERT
Special weather statement, Jul 17, 4:05 PM EDT, 1 hour 38 minutes before
PAZ007-008-014-172115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 405 PM EDT FRI JUL 17 1992 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHCENTRAL PENNSYLVANIA UNTIL 800 PM EDT THIS EVENING... AT 400 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED SHOWERS AND EMBEDDED THUNDERSTORMS MOVING INTO CENTRAL SECTIONS OF PENNSYLVANIA. THE LEADING EDGE OF THE SHOWERS AND THUNDERSTORMS WAS EXTENDING FROM SABINSVILLE IN TIOGA COUNTY TO RENOVO IN CLINTON COUNTY DOWN TO NEAR STATE COLLEGE. THE STRONGEST THUNDERSTORMS AT 400 PM EDT WERE IN SOUTHERN POTTER COUNTY NEAR THE TOWN OF CONRAD AND ALSO IN SOUTHERN CAMERON COUNTY NEAR SINNEMAHONING. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH. THE STRONGEST STORM WILL BE MOVING INTO TIOGA COUNTY BY 500 PM EDT NEAR THE TOWNS OF GAINES AND WATROUS. THE OTHER STRONG STORM WILL BE MOVING INTO WESTERN CLINTON COUNTY BY 430 PM EDT NEAR THE TOWN OF HAMMERSLEY FORK. REMEMBER ANY THUNDERSTORMS CAN CONTAIN STRONG GUSTY WINDS...HEAVY DOWNPOURS...LARGE HAIL AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES...MOVE TO A SAFE PLACE IMMEDIATELY. SEVERE THUNDERSTORMS CAN DEVELOP RAPIDLY...SO REMAIN ALERT FOR CHANGING WEATHER CONDITIONS. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATION FOR LATER UPDATES OR POSSIBLE WARNINGS. KJF/TG/HM
Special weather statement, Jul 17, 4:20 PM EDT, 1 hour 23 minutes before
PAZ007-008-014-172130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 420 PM EDT FRI JUL 17 1992 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHCENTRAL PENNSYLVANIA UNTIL 800 PM EDT THIS EVENING... AT 415 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED SHOWERS AND EMBEDDED THUNDERSTORMS MOVING INTO CENTRAL SECTIONS OF PENNSYLVANIA. THE STRONGEST THUNDERSTORMS AT 415 PM EDT WERE DEVELOPING OVER CLINTON COUNTY BETWEEN KEATING TOWNSHIP...RENOVO AND STATE CAMP. OTHER STRONG STORMS WERE MOVING TOWARDS GALETON. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH. THE STRONGEST STORMS WILL BE MOVING INTO TIOGA COUNTY BY 500 PM EDT NEAR THE TOWNS OF SABINSVILLE...GAINES AND WATROUS. THE OTHER STRONG STORM WILL BE MOVING THROUGH CLINTON COUNTY BETWEEN 415 AND 445 PM EDT. THUNDERSTORMS WERE NOW STARTING TO DEVELOP RAPIDLY ACROSS NORTHCENTRAL PENNSYLVANIA. SEVERE THUNDERSTORMS CAN DEVELOP WITH NO WARNING ANYWHERE IN THE REGION. REMEMBER ANY THUNDERSTORMS CAN CONTAIN STRONG GUSTY WINDS...HEAVY DOWNPOURS...LARGE HAIL AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES...MOVE TO A SAFE PLACE IMMEDIATELY. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATION FOR LATER UPDATES OR POSSIBLE WARNINGS. KJF/TG/HM
Special weather statement, Jul 17, 5:00 PM EDT, 43 minutes before
PAZ007-008-014-172215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 500 PM EDT FRI JUL 17 1992 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHCENTRAL PENNSYLVANIA UNTIL 800 PM EDT THIS EVENING... AT 500 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED SHOWERS AND EMBEDDED THUNDERSTORMS MOVING INTO CENTRAL SECTIONS OF PENNSYLVANIA. THE STRONGEST THUNDERSTORMS WERE IN A LINE FROM SABINSVILLE IN TIOGA COUNTY TO RENOVO IN CLINTON COUNTY DOWN TO NEAR STATE COLLEGE. ANOTHER STORM WAS NEAR CAMMAL IN LYCOMING COUNTY. THESE STORMS HAVE A HISTORY OF FREQUENT LIGHTNING...GUSTY WINDS AND HEAVY DOWNPOURS. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH. THIS LINE OF THUNDERSTORMS WILL BE MOVING INTO WELLSBORO...JERSEY SHORE AND LOCK HAVEN BY 530 PM EDT. THUNDERSTORMS WERE NOW STARTING TO DEVELOP RAPIDLY ACROSS NORTHCENTRAL PENNSYLVANIA. SEVERE THUNDERSTORMS CAN DEVELOP WITH NO WARNING ANYWHERE IN THE REGION. REMEMBER ANY THUNDERSTORMS CAN CONTAIN STRONG GUSTY WINDS...HEAVY DOWNPOURS...LARGE HAIL AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES...MOVE TO A SAFE PLACE IMMEDIATELY. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATION FOR LATER UPDATES OR POSSIBLE WARNINGS. KJF/TG/HM
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 4:10 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 65 min |
| Jul 17, 4:13 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 62 min |
| Jul 17, 5:17 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin | 58 min |
| Jul 17, 5:38 PM EDT | Severe Thunderstorm Warning | CTP | York | 67 min |
| Jul 17, 6:14 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 61 min |
| Jul 17, 6:18 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 27 min |
| Jul 17, 6:45 PM EDT | Tornado Warning | CTP | Lebanon | 30 min |
| Jul 17, 6:46 PM EDT | Tornado Warning | CTP | Berks | 14 min |
| Jul 17, 6:56 PM EDT | Tornado Warning | CTP | Berks | 19 min |
| Jul 17, 7:02 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 58 min |
| Jul 17, 7:13 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 32 min |
| Jul 17, 7:16 PM EDT | Tornado Warning | CTP | Lebanon | 29 min |
| Jul 17, 7:39 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 36 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1992Every severe thunderstorm warning in 1992
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.