Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 9, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 8, 1990, 4:13 PM EDT for Cumberland County, Pennsylvania. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1990, 4:13 PM EDT (20:13 UTC)
- Expired
- Jun 8, 1990, 5:15 PM EDT
- In force
- 62 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Cumberland County, PA
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
Washington/Dulle, VA (KIAD), launched 12:00Z, 8.2 hours before the alert went out and 135 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
- 54 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 239 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 082013 RRA
SVRHAR
PAC041-082115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
413 PM EDT FRI JUN 8 1990
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL PENNSYLVANIA
...CUMBERLAND
RADAR WAS OBSERVIBG A SEVERE THUNDERSTORM IN EXTREME NORTHERN FRANKLIN
COUNTY...ABOUT 25 MILES WEST OF NEWVILLE.
THIS STORM WAS MOVING TO THE EAST AT 40 TO 45 MILES AN HOUR AND MAY
PRODUCE HAIL AND DAMAGING WINDS.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNINHG...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, Jun 8, 10:41 AM EDT, 5 hours 32 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HARRISBURG PA ISSUED 1030 AM EDT FRI JUN 8 1990 FLASH FLOOD WATCH UNTIL MIDNIGHT FOR CENTRE,MIFFLIN, JUNIATA, HUNTINGDON FULTON, AND FRNAKLIN COUNTIES. AT 1025 AM THE NATIONAL WEATHER SERVICE RADAR IN HARRISBURG SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS THROUGH THE CENTRAL AND SOUTHCENTRAL MOUNTAINS OF PA. THE AREA EXTENED FROM THE UPPER SUSQUEHANNA VALLEY IN TIOGA AND BRADFORD COUNTIES SOUTHWEST INTO THE PANHANDLE OF MARYLAND AND WEST VIRGINIA. HEAVIEST THUNDERSTORMS WERE IN CNETRE, HUNTINGDON, AND FULTON COUNTIES. THESE THUNDERSTROMS COULD BE PRODUCING HEAVY RAINS, GUSTY WINDS AND HAIL. PERSON IN THESE COUNTIES SHOULD TAKE NESSARY PRECAUTIONS IF THREATING WEATHER APPROACHES. PERSOND IN THE WESTERN PORTIONS OF THE LOWER AND MIDLLE SUSUEHANNA SHOULD ALSO BE ON THE LOOKOUT FOR THESE THUNDERSTORMS BETWEEN 1030 AND 12 NOON. ESPICALLY PERSON IN FRANKLIN, CUMBLERAND,d PERRY, JUNIATATA, MIFFLIN, SNYDER AND UNION COUNTIES. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT ABOUT 30 MPH WHILE THE AREA SHOWS AN EAST TO SOUTHEAST MOVEMENT AROUND 25 MPH.
Special weather statement, Jun 8, 12:39 PM EDT, 3 hours 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HARRISBURG PA ISSUED 1230 PM EDT FRI JUN 8 1990 FLASH FLOOD WATCH UNTIL MIDNIGHT FOR CENTRE,MIFFLIN, JUNIATA, HUNTINGDON FULTON, AND FRNAKLIN COUNTIES. AT 1230 AM THE NATIONAL WEATHER SERVICE RADAR IN HARRISBURG SHOWED AN AREA OF DECREASING SHOWERS AND THUNDERSTORMS OVER THE EASTERN PORTIONS OF PA. ACTIVITY HAS BECOME WIDLY SCATTERED IN THE WESTERN AND NORTHERN AREAS OF THE STATE. MOST ACTIVITY IS IN THE EAST FROM THE NORTHEAST CORNER SOUTH THROUGH THE POCONOS, THE EAST CENTRAL INTO THE SOUTHEAST CORNER. OTHER SHOWERS AND THUNDERSTORMS ARE IN SOUTHERN CAMBRIA AND NORTHERN SOMERSET COUTNIES IN THE SOUTHWESTERN MOUNTAINS. A&LSO IN ELK, CAMERON, CLINTON, LYCOMING , UNION AND NORTHUMBERLAND COUNTIES IN THE NORTHERN PORTIONS. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT ABOUT 50 MPH. WSO HAR DH
Special weather statement, Jun 8, 3:09 PM EDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HARRISBURG PA ISSUED 300 PM EDT FRI JUN 8 1990 FLASH FLOOD WATCH UNTIL MIDNIGHT FOR CENTRE,MIFFLIN, JUNIATA, HUNTINGDON FULTON, AND FRNAKLIN COUNTIES. AT 300 PM THE NATIONAL WEATHER SERVICE RADAR IN HARRISBURG SHOWED SOME STRONG THUNDERSTORMS IN BLAIR AND SOUTHWESTERN CENTRE COUNTIES. HEAVIEST WAS IN BLAIR AROUND THE HOILDAYSBURG AREA. THE THUNDERSTORMS COULD BE PRODUCING LOCALLY HEAVY RAINS, GUSTY WINDS AND HAIL. THE THUNDERSTORMS ARE MOVING TO THE EAST ATBOUT 40 TO 45 MPM. PERSONS IN BLAIR, SOUTHERN CENTRE AND HUNTINGDON COUNTIES SHOULD BE ON THE LOOKOUT FOR THESE STORMS AND TAKE NESSARY ACTION IF THEY APPROACH YOUR LOCATION. ALSO PERSONS IN MIFFLIN AND JUNIATA COUNTIES SHOULD BE ON THE LOOKOUT FOR THESE STORMS BETWEEN 330 AND 4 PM. WSO HAR DH
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 47 min |
| Jun 8, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 48 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; the sounding from the Mesonet's radiosonde archive.