Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 37, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 5, 1990, 2:28 PM EDT for Lehigh County, Pennsylvania. It was in force for 62 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, 2:28 PM EDT (18:28 UTC)
- Expired
- Jul 5, 1990, 3:30 PM EDT
- In force
- 62 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Lehigh 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, 2:45 PM EDT | Hail 0.75 | Lehigh, 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
Atlantic City In, NJ (KACY), launched 12:00Z, 6.5 hours before the alert went out and 159 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
- 1652 J/kg
- Mixed-layer CIN
- -382 J/kg
- Mixed-layer LCL
- 1207 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 157 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 KABE 051828
SVRABE
PAC077-051930-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALLENTOWN PA
228 PM EDT THU JUL 5 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 330 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE EAST CENTRAL PART OF PENNSYLVANIA
SOUTHERN LEHIGH
AT 220PM EDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM ALLENTOWN
PA WEST TO POTTSVILLE...SCHUYLKILL COUNTY...PA. THE LINE OF
THUNDERSTORMS IS MOVING TOWARD THE SOUTHEAST AT 35 MPH.
THIS IS A DANGEROUS STORM AND PEOPLE IN THE WARNED AREA SHOULD BE
PREPARED FOR STRONG DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN
AND LIGHTNING. SHOULD THE STORM APPROACH YOU...SEEK IMMEDIATE
SHELTER. MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS AND
SHOULD BE AVOIDED.
A SEVERE THUNDERSTORM WATCH CONTINUES FOR ALL OF EASTERN
PENNSYLVANIA UNTIL 8PM EDT THIS THURSDAY EVENING.
HEAVY RAINS W ITH THIS THUNDERSTORM MAY CAUSE FLOODING OF SMALL
STREAMS AND UNDERPASSES.
PORTERWhat 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, 11:51 AM EDT, 2 hours 37 minutes before
PA006-008--013-051630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA. 1150 AM EDT THU JUL 5 1990 ...THUNDERSTORMS ARE MOVING THROUGH PORTIONS OF CENTRAL PENNSYLVANIA... AT 1145 AM EDT THE NATIONAL WEATHER SERVICE RADAR IN HARRISBURG WAS SHOWING A 14 MILE WIDE LINE OF SCATTERED SHOWERS AND THUNDERSTORMS WHICH EXTENDED 5 MILES EAST OF WILLIAMSPORT TO 15 MILES NORTH OF PITTSBURGH. SOME OF THE STORMS COULD BE PRODUCING BRIEF HEAVY DOWNPOURS..GUSTY WINDS... SMALL HAIL...AND DEADLY LIGHTNING. THE STONGEST STORM WAS LOCATED IN WESTERN PENNSYLVANIA IN SOUTHERN JEFFERSON COUNTY. THERE WERE ALSO TWO STRONG STORMS IN CENTRAL CLEARFIELD COUNTY AND ONE IN NORTH CENTRE COUNTY...ABOUT 12 MILES 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, 12:37 PM EDT, 1 hour 51 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, 1 hour 45 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 11 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, 27 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, 11 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
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, 3:16 PM EDT | Severe Thunderstorm Warning | CTP | York | 29 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.