Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 253, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Nov 11, 1995, 7:20 PM EST for 4 counties in Pennsylvania. It was in force for 70 min.
The area
The counties it named.
The facts
- Issued
- Nov 11, 1995, 7:20 PM EST (00:20 UTC)
- Expired
- Nov 11, 1995, 8:30 PM EST
- In force
- 70 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Dauphin County, PA, Lancaster County, PA, Lebanon County, PA, York County, PA
The radar
The State College radar (KCCX), 147 km from the middle of the area, began a volume at 00:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.3 hours before the alert went out and 155 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
- 470 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 515 m²/s²
- 0-3 km storm-relative helicity
- 786 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 KCTP 120022 RRA SVRCTP PAC043-071-075-107-133-120130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 720 PM EST SAT NOV 11 1995 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN PENNSYLVANIA ...EASTERN DAUPHIN COUNTY...LANCASTER COUNTY...LEBANON COUNTY ...SCHUYLKILL COUNTY...EASTERN YORK COUNTY AT 720 PM STATE COLLEGE DOPPLER RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM PICTURE ROCKS IN EASTERN LYCOMING COUNTY SOUTH TO HARRISBURG AND HANOVER. THE STORMS WILL CROSS YORK NEAR 730PM...LEBANON BY 745PM AND LANCASTER AND POTTSVILLE BY 8PM. 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 LOW WATER CROSSINGS. LA CORTE/NICOSIA
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.
NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 11, 1:12 PM EST, 6 hours 8 minutes earlier.
Area forecast discussion, Nov 11, 1:12 PM EST, 6 hours 8 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 105 PM EST SAT NOV 11 1995 FEW REPORTS OF WIND DAMAGE...WINDS NOT QUITE AS BAD NOW OUTSIDE...AS RW- HAS STARTED. STILL THINK POTENTIAL FOR SVR...HIGH WINDS...AND HEAVY RAIN LIMITED...AS FRONT WILL SPEED UP...AND ONLY LIMITED TROPICAL AIR CAN GET PULLED NORTHWARD...AS TROUGH GOES NEG. BEST CHANCE FOR H RAIN ETC...COASTAL PLAIN...ESP. NEW ENGLAND. EXPECT DRY SLOT TO KILL SNOW FOR MOST OF PA...N PA...ESP NW...COULD GET COMBINATION OF SYN. WRAP AROUND SNOW AND L E SNOW...PSBL H AMTS LATE TONIGHT AND EARLY SUN AM. TEMPS WILL GO NOWHERE SUNDAY. LAKE SNOW OUTLOOK: SAT 7 AM TO SAT 7 PM...N SAT 7 .PM TO SUN 7 AM...Y...LATE IN THE PERIOD. SUN 7 AM TO SUN 7 PM...Y MARTIN
In the hours before
Special weather statement, Nov 11, 3:59 PM EST, 3 hours 21 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-120500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 359 PM EST SAT NOV 11 1995 ...HIGH WIND WARNING FOR ALL OF CENTRAL PENNSYLVANIA FOR THIS EVENING AND TONIGHT... ...LAKE SNOW ADVISORY TONIGHT AND SUNDAY FOR WARREN COUNTY... A POTENT FALL STORM OVER THE EASTERN GREAT LAKES LATE THIS AFTERNOON WILL SWEEP NORTHEAST INTO CANADA...AND DRAG A STRONG COLD FRONT ACROSS ALL OF PENNSYLVANIA THIS EVENING AND TONIGHT. VERY STRONG WINDS AND HEAVY DOWNPOURS HAVE ALREADY BEEN REPORTED WITH THIS SYSTEM AND WILL CONTINUE TO ACCOMPANY THE FRONT AS IT MOVES ACROSS THE STATE. STRONG WINDS OUT OF THE SOUTH WILL GUST BETWEEN 35 AND 50 MPH WITH GUSTS IN EXCESS OF 60 MPH POSSIBLE OVER HIGHER ELEVATIONS. AS THE FRONT PASSES WINDS WILL REMAIN STRONG AND SHIFT TO THE WEST AND NORTHWEST USHERING IN SHARPLY COLDER TEMPERATURES. RAIN WILL CHANGE TO SNOW TONIGHT OVER NORTHWESTERN PENNSYLVANIA WHERE SEVERAL INCHES OF ACCUMULATION IS POSSIBLE BEFORE MORNING. LAKE EFFECT SNOW SHOWERS AND SQUALLS WILL THEN DEVELOP PROVIDING THE POTENTIAL FOR ADDITIONAL SNOW ACCUMULATIONS TOMORROW. MOTORISTS ARE URGED TO PAY SPECIAL ATTENTION TO THE CHANGING ROAD CONDITIONS AND WATCH FOR SLICK ROADS WITH THE WIDE VARIETY OF WEATHER IN THE AREA. SECURE LAWN FURNITURE...GARBAGE CANS...OR OTHER OBJECTS WHICH COULD BE BLOWN ABOUT BY THE WIND. THE STRONG WIND MAY CAUSE POWER DISRUPTIONS AND HAZARDS TO HIGH PROFILE VEHICLES. LA CORTE
Special weather statement, Nov 11, 4:00 PM EST, 3 hours 20 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-120500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 359 PM EST SAT NOV 11 1995 ...HIGH WIND WARNING FOR ALL OF CENTRAL PENNSYLVANIA FOR THIS EVENING AND TONIGHT... ...LAKE SNOW ADVISORY TONIGHT AND SUNDAY FOR WARREN COUNTY... A POTENT FALL STORM OVER THE EASTERN GREAT LAKES LATE THIS AFTERNOON WILL SWEEP NORTHEAST INTO CANADA...AND DRAG A STRONG COLD FRONT ACROSS ALL OF PENNSYLVANIA THIS EVENING AND TONIGHT. VERY STRONG WINDS AND HEAVY DOWNPOURS HAVE ALREADY BEEN REPORTED WITH THIS SYSTEM AND WILL CONTINUE TO ACCOMPANY THE FRONT AS IT MOVES ACROSS THE STATE. STRONG WINDS OUT OF THE SOUTH WILL GUST BETWEEN 35 AND 50 MPH WITH GUSTS IN EXCESS OF 60 MPH POSSIBLE OVER HIGHER ELEVATIONS. AS THE FRONT PASSES WINDS WILL REMAIN STRONG AND SHIFT TO THE WEST AND NORTHWEST USHERING IN SHARPLY COLDER TEMPERATURES. RAIN WILL CHANGE TO SNOW TONIGHT OVER NORTHWESTERN PENNSYLVANIA WHERE SEVERAL INCHES OF ACCUMULATION IS POSSIBLE BEFORE MORNING. LAKE EFFECT SNOW SHOWERS AND SQUALLS WILL THEN DEVELOP PROVIDING THE POTENTIAL FOR ADDITIONAL SNOW ACCUMULATIONS TOMORROW. MOTORISTS ARE URGED TO PAY SPECIAL ATTENTION TO THE CHANGING ROAD CONDITIONS AND WATCH FOR SLICK ROADS WITH THE WIDE VARIETY OF WEATHER IN THE AREA. SECURE LAWN FURNITURE...GARBAGE CANS...OR OTHER OBJECTS WHICH COULD BE BLOWN ABOUT BY THE WIND. THE STRONG WIND MAY CAUSE POWER DISRUPTIONS AND HAZARDS TO HIGH PROFILE VEHICLES. LA CORTE
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 7:12 PM EST | Severe Thunderstorm Warning | CTP | Lycoming, Montour, Northumberland | 48 min |
| Nov 11, 7:20 PM EST | Severe Thunderstorm Warning | CTP | Schuylkill | 70 min |
| Nov 11, 7:52 PM EST | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 38 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1995Every severe thunderstorm warning in 1995
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; radar from the NEXRAD Level II archive.