Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 38, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 5, 1990, 3:16 PM EDT for York County, Pennsylvania. It was in force for 29 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
- Jul 5, 1990, 3:16 PM EDT (19:16 UTC)
- Expired
- Jul 5, 1990, 3:45 PM EDT
- In force
- 29 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County York 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 |
|---|---|---|---|
| Jul 5, 3:30 PM EDT | Thunderstorm Wind 0 | York, 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.3 hours before the alert went out and 122 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
- 0 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -103 m²/s²
- 0-3 km storm-relative helicity
- 65 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 KHAR 051919
SVRHAR
PAC133-051945-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
316 PM EDT THU JUL 5 1990
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL PENNSYLVANIA
...YORK
NATIONAL WEATHER SEVERVICE HAVE RECIEVED REPORTS FROM YORK COUNTY
OFFICIAL OF TREES AND POWERLINES DOWN IN DOVER TOWNSHIP AND ALSO A
TREE DOWN ON THE 100 BLOCK OF BEAVER ST. IN DOWNTOWN YORK.
GUSTY WINDS...HEAVY RAIN AND SMALL HAIL HAVE ALSO BEEN REPORTED WITH
THIS STORM.
IF TREATENING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOaW WATER CROSSINGS.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 5, 12:37 PM EDT, 2 hours 39 minutes before
PA006-008-009-013-0517630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA. 1150 AM EDT THU JUL 5 1990 ...THUNDERSTORMS ARE MOVING THROUGH PORTIONS OF CENTRAL PENNSYLVANIA... AT 1235 AM EDT THE NATIONAL WEATHER SERVICE RADAR IN HARRISBURG WAS SHOWING A 22 MILE WIDE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS WHICH EXTENDED 10 MILES WEST OF ALLENTOWN TO JUST EAST OF PITTSBURGH. SOME OF THE STORMS COULD BE PRODUCING BRIEF HEAVY DOWNPOURS..GUSTY WINDS... SMALL HAIL...AND DEADLY LIGHTNING. THE STONGEST STORMS WERE IN A LINE WHICH EXTENDED FROM 5 MILES EAST OF STATE COLLEGE TO NORTHWEST INDIANA COUNTY... ABOUT 30 MILE NORTHEAST OF PITTSBURGH. NORTH OF STATE COLLEGE. MOVEMENT OF THE STORMS WAS TO THE EAST AT 35 MILES AN HOUR. IF THREATENING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY. . WSO HAR RBH
Special weather statement, Jul 5, 12:43 PM EDT, 2 hours 33 minutes before
PA006-008-009-013-0517630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA. 1245 PM EDT THU JUL 5 1990 ...THUNDERSTORMS ARE MOVING THROUGH PORTIONS OF CENTRAL PENNSYLVANIA... AT 1235 PM EDT THE NATIONAL WEATHER SERVICE RADAR IN HARRISBURG WAS SHOWING A 22 MILE WIDE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS WHICH EXTENDED 10 MILES WEST OF ALLENTOWN TO JUST EAST OF PITTSBURGH. SOME OF THE STORMS COULD BE PRODUCING BRIEF HEAVY DOWNPOURS..GUSTY WINDS... SMALL HAIL...AND DEADLY LIGHTNING. THE STONGEST STORMS WERE IN A LINE WHICH EXTENDED FROM 5 MILES EAST OF STATE COLLEGE TO NORTHWEST INDIANA COUNTY... ABOUT 30 MILE NORTHEAST OF PITTSBURGH. MOVEMENT OF THE STORMS WAS TO THE EAST AT 35 MILES AN HOUR. IF THREATENING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY. . WSO HAR RBH COR FOR TIMES AND TO FIX A LINE
Special weather statement, Jul 5, 1:17 PM EDT, 1 hour 59 minutes before
PA006-008-009-013-051820- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA. 120 PM EDT THU JUL 5 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 6 PM FOR THE SOUTH CENTRAL MOUNTAINS...SOUTH CENTRAL PENNSYLVANIA...AND WESTERN PORTIONS OF THE LOWER AND MIDDLE SUSQUEHANNA VALLEY... AT 110 PM EDT THE NATIONAL WEATHER SERVICE RADAR IN HARRISBURG WAS SHOWING AN AREA OF SHOWERS AND THUNDERSTORMS WHICH STREATCHED ACROSS MUCH OF CENTAL PENNSYLVANIA. THE STRONGEST STORMS WERE LOCATED IN NORTHWEST MIFFLIN COUNTY...ABOUT 15 MILES SOUTHWEST OF STATE COLLEGE AND ANOTHER STRONG STORM WAS LOCATED IN NORTHWEST HUNTINGDON COUNTY...ABOUT 15 MILES NORTHEAST OF ALTOONA. BRIEF HEAVY DOWN.POURS...GUSTY WINDS...SMALL HAIL AND DEADLY LIGHTNING COULD ACCOMPANY THE STORMS AS THEY PASS. . THE STORMS WERE MOVING TO THE SOUTHEAST AT ABOUT 30 MILES AN HOUR. IF THREATENING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY. WSO HAR RBH
Special weather statement, Jul 5, 2:01 PM EDT, 1 hour 15 minutes before
PA006-008-009-013-051900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA. 200 PM EDT THU JUL 5 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 6 PM FOR THE SOUTH CENTRAL MOUNTAINS...SOUTH CENTRAL PENNSYLVANIA...AND WESTERN PORTIONS OF THE LOWER AND MIDDLE SUSQUEHANNA VALLEY... ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM FOR THE EAST PORTIONS OF LOWER AND MIDDLE SUSQUEHANNA VALLEY... ...THUNDERSTORMS WILL BEGIN MOVING INTO THE LOWER SUSQUEHANNA VALLEY SHORTLY... AT 140 PM EDT THE NATIONAL WEATHER SERVICE RADAR IN HARRISBURG WAS SHOWING STRONG THUNDER STORMS JUST TO THE NORTHWEST OF THE LOWER SUSQUEHANNA VALLEY. ONE OF THE STRONGEST STORMS WAS IN SOUTH MIFFLIN COUNTY...ABOUT 10 MILES TO THE SOUTHWEST OF LEWISTOWN. ANOTHER STRONG STORM WAS IN NORTHEAST JUNIATA COUNTY ABOUT 45 MILES TO THE NORTHWEST OF HARRISBURG. . HEAVY DOWNPOURS...HAIL...GUSTY WINDS AND DEADLY LIGHTNING COULD ACCOMPANY THESE STORMS. THE STORMS WERE MOVING TO THE SOUTHEAST AT ABOUT 30 MILES AN HOUR. AT THIS RATE THE STORM IN JUNIATA COUNTY SHOULD MOVE INTO NORTHWEST DAUPHIN COUNTY BY ABOUT 215 PM AND THEN INTO SOUTHEAST LEABNON BY ABOUT 315 PM. THE STORM IN SOUTH MIFFLIN COUNTY SHOULD MOVE INTO SOUTH PERRY BY ABOUT 215 PM AND NORTHEAST ADAMS BY AROUND 315 PM. IF THREATENING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY. AT THIS TIME IT APPEARS MOST OF THE STORMS WILL BE EXITING THE LOWER SUSQUEHANNA VALLdEY BY 400 PM EDT. WSO HAR RBH
Special weather statement, Jul 5, 2:17 PM EDT, 59 minutes before
PAZ007-008-014-051900 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 217 PM EDT THU JUL 5 1990 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR LYCOMING AND CLINTON COUNTIES OF NORTHCENTRAL PENNSYLVANIA... AT THIS TIME...RADAR DID NOT INDICATE ANY THUNDERSTORM ACTIVITY OVER NORTHCENTRAL PENNSYLVANIA. A LINE OF THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS EXTENDED FROM SOUTH OF ALTOONA INTO THE POCONO MOUNTAINS. THE THUNDERSTORMS WILL CONTINUE TO MOVE SOUTHEAST AND AWAY FROM NORTHCENTRAL PENNSYLVANIA. JSN
Special weather statement, Jul 5, 2:30 PM EDT, 46 minutes before
PAZ007-008-014-051735 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 135 PM EDT THU JUL 5 1990 ...SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 600 PM EDT FOR LYCOMING AND CLINTON COUNTIES OF NORTHCENTRAL PENNSYLVANIA... AT 130 PM EDT NATIONAL WEATHER SERVICE RADAR WAS SHOWING A 20 TO 25 MILE WIDE LINE OF THUNDERSTORMS EXTENDING FROM THE SOUTHWEST CORNER OF PENNSYLVANIA...ACROSS LEWISTOWN IN MIFFLIN COUNTY...TO NEAR HAZELTON IN LUZERNE COUNTY. THE STRONGEST THUNDERSTORMS EXTENDED FROM JUST NORTH OF JOHNSTOWN TO LEWISTOWN PENNSYLVANIA. ALL OF THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 MPH. AT THIS TIME...RADAR DID NOT INDICATE ANY THUNDERSTORM ACTIVITY OVER NORTHCENTRAL PENNSYLVANIA. THE LINE OF THUNDERSTORMS WILL CONTINUE TO MOVE SOUTHEAST AND AWAY FROM NORTHCENTRAL PENNSYLVANIA. HOWEVER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR LYCOMING AND CLINTON COUNTIES. PERSONS IN AND CLOSE TO THE WATCH SHOUDLD REMAIN ALERT AND LISTEN FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. JSN
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 2:05 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 25 min |
| Jul 5, 2:26 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 34 min |
| Jul 5, 2:28 PM EDT | Severe Thunderstorm Warning | CTP | Lehigh | 62 min |
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.