Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 239, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Oct 20, 1995, 8:33 PM EDT for Clearfield County, Elk County, Pennsylvania. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Oct 20, 1995, 8:33 PM EDT (00:33 UTC)
- Expired
- Oct 20, 1995, 9:30 PM EDT
- In force
- 57 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Clearfield County, PA, Elk County, PA
The radar
The State College radar (KCCX), 57 km from the middle of the area, began a volume at 00:36 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
Pittsburgh, PA (KPIT), launched 00:00Z, 0.6 hours before the alert went out and 157 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
- 631 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- -280 m²/s²
- 0-3 km storm-relative helicity
- 176 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 210033 RRA SVRCTP PAC033-047-210130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 833 PM EDT FRI OCT 20 1995 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN PENNSYLVANIA ...CLEARFIELD COUNTY...ELK COUNTY AT 830 PM STATE COLLEGE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTROMS ENTERING WESTERN CLEARFIELD COUNTY AND WESTERN ELK COUNTY NEAR HALTON. THESE STORMS WILL PASS THROUGH RIDGEWAY AND DUBOIS BETWEEN 845 PM AND 9 PM AND CLEARFIELD AND SAINT MARYS BETWEEN 9 AND 915 PM. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. NICOSIA/MICHAUD
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 Oct 20, 3:02 PM EDT, 5 hours 31 minutes earlier.
Area forecast discussion, Oct 20, 3:02 PM EDT, 5 hours 31 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 240 PM EDT FRI OCT 20 1995 VAD WINDS FROM CCX RADAR INDICATING 50 KT WINDS AT 6 THSD FT. SUNSHINE ACROSS WESTERN PA ALLOWED ATMOS TO MIX WINDS TO SFC. GOT REPORTS OF TREES DOWN ACROSS ERIE COUNTY. CORD WITH PIT FOR HIGH WIND WARNING ACROSS N MTNS AND LAUREL HIGHLANDS. LOW CLDS QUICKLY INVADING ALL OF PA WITH SHOWERS CLOSE BEHIND. MODELS IN GOOD AGREEMENT NXT 24 HRS. LOW INTENSIFIES ACROSS GRT LAKES WITH TRAILING FRONT MOVING INTO CENTRAL PA ARND 10Z. (CURRENT MODEL RUN APPEARS TO BE SLIGHTLY FASTER THAN PREVIOUS RUN). APPEARS SECONDARY LOW MAY TRY TO DEVELOP ALONG COAST (QPF SHOWS TO SEPARATE QPF MAXES AS A RESULT). MOISTURE CURRENTLY ACROSS VA WILL RACE NORTH ON HEELS OF 8H JET THIS EVE. EXPECT RAIN OCNL R+ TO SLIDE INTO THE AREA THIS EVE AND THEN TAPER TO SHOWERS FROM WEST TO EAST SATURDAY MORNING. INSTABILITY SHOWERS WILL CONTINUE ACROSS REGION INTO SAT EVE UNDER MO CLDY SKIES. WINTHER
In the hours before
Special weather statement, Oct 20, 4:47 PM EDT, 3 hours 46 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-210245- SPECIAL WEATHER STATEMENT - HIGH WINDS NATIONAL WEATHER SERVICE STATE COLLEGE PA 447 PM EDT FRI OCT 20 1995 ...A HIGH WIND WARNING IS IN EFFECT UNTIL 1000 PM FOR THE FOLLOWING COUNTIES OF WESTERN PENNSYLVANIA... WARREN... MCKEAN... ELK... CLEARFIELD... CAMBRIA... AND SOMERSET. ...STRONG WINDS AND LOCALLY HEAVY RAINS WILL BE ACROSS ALL OF CENTRAL PENNSYLVANIA AND THE SUSQUEHANNA VALLEY THIS EVENING... AN INTENSIFYING COLD FRONT OVER OHIO WILL CROSS PENNSYLVANIA OVERNIGHT. AHEAD OF THE FRONT...STRONG SOUTH TO SOUTHEAST WINDS WILL PREVAIL. OVER THE SUSQUEHANNA VALLEY AND MUCH OF CENTRAL PENNSYLVANIA...WINDS WILL BE SOUTH TO SOUTHEAST AT 15 TO 25 MPH. SOME AREAS OF CENTRAL PENNSYLVANIA WILL SEE GUSTS TO 35 MPH. OVER THE HIGHER ELEVATIONS OF WESTERN PENNSYLVANIA HOWEVER...INCLUDING THE NORTHERN MOUNTAINS AND THE LAUREL HIGHLANDS...WINDS MAY GUST IN EXCESS OF 55 MPH...DOWNING TREES AND POWER LINES. FOR THIS REASON... HIGH WIND WARNINGS HAVE BEEN POSTED FOR THE ABOVE COUNTIES. SECURE LAWN FURNATURE...GARBAGE CANS...OR OTHER OBJECTS WHICH COULD BE BLOWN ABOUT BY THE WIND. ALSO ACCOMPANYING THE FRONT WILL BE RAIN AND POSSIBLE THUNDERSTORMS. THE RAIN WILL BE HEAVY AT TIMES...ESPECIALLY LATER TONIGHT AS THE FRONT CROSSES THE STATE. SOME PONDING OF WATER IN POOR DRAINAGE AREAS IS POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST ON THIS WEATHER SITUATION. JUNG
Special weather statement, Oct 20, 4:48 PM EDT, 3 hours 45 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-210245- SPECIAL WEATHER STATEMENT - HIGH WINDS NATIONAL WEATHER SERVICE STATE COLLEGE PA 447 PM EDT FRI OCT 20 1995 ...A HIGH WIND WARNING IS IN EFFECT UNTIL 1000 PM FOR THE FOLLOWING COUNTIES OF WESTERN PENNSYLVANIA... WARREN... MCKEAN... ELK... CLEARFIELD... CAMBRIA... AND SOMERSET. ...STRONG WINDS AND LOCALLY HEAVY RAINS WILL BE ACROSS ALL OF CENTRAL PENNSYLVANIA AND THE SUSQUEHANNA VALLEY THIS EVENING... AN INTENSIFYING COLD FRONT OVER OHIO WILL CROSS PENNSYLVANIA OVERNIGHT. AHEAD OF THE FRONT...STRONG SOUTH TO SOUTHEAST WINDS WILL PREVAIL. OVER THE SUSQUEHANNA VALLEY AND MUCH OF CENTRAL PENNSYLVANIA...WINDS WILL BE SOUTH TO SOUTHEAST AT 15 TO 25 MPH. SOME AREAS OF CENTRAL PENNSYLVANIA WILL SEE GUSTS TO 35 MPH. OVER THE HIGHER ELEVATIONS OF WESTERN PENNSYLVANIA HOWEVER...INCLUDING THE NORTHERN MOUNTAINS AND THE LAUREL HIGHLANDS...WINDS MAY GUST IN EXCESS OF 55 MPH...DOWNING TREES AND POWER LINES. FOR THIS REASON... HIGH WIND WARNINGS HAVE BEEN POSTED FOR THE ABOVE COUNTIES. SECURE LAWN FURNATURE...GARBAGE CANS...OR OTHER OBJECTS WHICH COULD BE BLOWN ABOUT BY THE WIND. ALSO ACCOMPANYING THE FRONT WILL BE RAIN AND POSSIBLE THUNDERSTORMS. THE RAIN WILL BE HEAVY AT TIMES...ESPECIALLY LATER TONIGHT AS THE FRONT CROSSES THE STATE. SOME PONDING OF WATER IN POOR DRAINAGE AREAS IS POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST ON THIS WEATHER SITUATION. JUNG
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 1:27 AM EDT | Flash Flood Warning | CTP | Clearfield, Elk | 4 hr |
| Oct 21, 4:22 AM EDT | Flash Flood Warning | CTP | Centre, Clinton | 4 hr |
| Oct 21, 4:28 AM EDT | Flash Flood Warning | CTP | Lancaster, Lebanon, York | 4 hr |
| Oct 21, 4:34 AM EDT | Flash Flood Warning | CTP | Franklin, Fulton, Huntingdon, Juniata, Mifflin | 4 hr |
| Oct 21, 4:40 AM EDT | Flash Flood Warning | CTP | Cameron, Potter | 4 hr |
| Oct 21, 4:40 AM EDT | Flash Flood Warning | CTP | Lycoming, Tioga | 4 hr |
| Oct 21, 4:55 AM EDT | Flash Flood Warning | CTP | Blair | 4 hr |
| Oct 21, 5:11 AM EDT | Flash Flood Warning | CTP | Snyder, Union | 4 hr |
| Oct 21, 5:38 AM EDT | Flash Flood Warning | CTP | Schuylkill | 4 hr |
| Oct 21, 6:09 AM EDT | Flash Flood Warning | CTP | Adams, Cumberland | 4 hr |
| Oct 21, 6:09 AM EDT | Flash Flood Warning | CTP | Dauphin, Perry | 4 hr |
| Oct 21, 6:15 AM EDT | Flash Flood Warning | CTP | Columbia, Sullivan | 4 hr |
| Oct 21, 6:15 AM EDT | Flash Flood Warning | CTP | Montour, Northumberland | 4 hr |
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.