Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 195, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Sep 2, 1998, 2:43 PM EDT for Lancaster County, Pennsylvania. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 2, 1998, 2:43 PM EDT (18:43 UTC)
- Expired
- Sep 2, 1998, 3:45 PM EDT
- In force
- 62 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Lancaster County, PA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 2, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.7 hours before the alert went out and 65 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
- 1665 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Sep 2, 10:10 AM EDT, 4 hours 33 minutes earlier.
Area forecast discussion, Sep 2, 10:10 AM EDT, 4 hours 33 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 1010 AM EDT WED SEP 2 1998 ...WRK ZNS FOR PHL/PIT SENT AT 945 AM... 90 KT 3H JET RACING ACROSS FCST/A WITH LEFT EXIT REGION LOCATED OVER NE PA. SFC COLD FRONT CURRENTLY OVER LAKE ERI WILL SLIDE TO THE UNV AREA BY 18Z. MAIN FORCING STAYS NORTH OF FCST/A WHILE HIGHEST SFC DEWPTS ARE CURRENTLY ACROSS E PA. THUS...INDICATED HIGHEST POPS FOR NE PA THIS AFTN. PREVIOUS FCST TREND LOOKS GOOD WITH 30 POPS ACROSS S CWA. IR/VIS SATELLITE SHOWS NICE CLEARING TREND MOVING INTO SW PA ATTM BUT THIS SHOULD NOT LAST LONG AS COLD FRONT SHOULD INCREASE SFC CONVERGENCE AND ALLOW FOR CU PRODUCTION. STRONG SUBSC MOVING INTO THE REGION TONIGHT CONTRIBUTING TO PARTIAL CLEARING BUT THE TRADE OFF IS DENSE FOG ACROSS THE N CWA. .CTP...NONE. WINTHER
In the hours before
Special weather statement, Sep 2, 11:35 AM EDT, 3 hours 8 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-022100- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 1135 AM EDT WED SEP 02 1998 ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS EASTERN PENNSYLVANIA THIS AFTERNOON... THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA INDICATES THAT A RISK OF SEVERE THUNDERSTORMS EXISTS THIS AFTERNOON INTO EARLY TONIGHT ACROSS THE LOWER AND MIDDLE SUSQUEHANNA VALLEY. THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF A COLD FRONT MOVING INTO CENTRAL PENNSYLVANIA THIS AFTERNOON. AS THE COLD FRONT REACHES THE SUSQUEHANNA VALLEY LATER TODAY...A FEW OF THE STRONGEST STORMS COULD BECOME SEVERE...WITH LOCALIZED STRONG DAMAGING WINDS OR LARGE HAIL. ALTHOUGH WIDESPREAD SEVERE WEATHER IS NOT EXPECTED TO DEVELOP...SKYWARN SPOTTERS ACTIVATION MAY STILL BE REQUIRED. STAY TUNED TO THIS STATION FOR THE LATEST INFORMATION ON TODAYS THUNDERSTORMS. WINTHER
Special weather statement, Sep 2, 2:00 PM EDT, 43 minutes before
PAZ006-011-012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-022345- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 200 PM EDT WED SEP 2 1998 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 8 PM EDT FOR MUCH OF CENTRAL PENNSYLVANIA...INCLUDING THE SUSQUEHANNA VALLEY... COUNTIES INCLUDED IN THE SEVERE THUNDERSTORM WATCH ARE... TIOGA... LYCOMING... SULLIVAN... CLINTON... POTTER... CENTRE... BLAIR... HUNTINGDON... MIFFLIN... JUNIATA... SNYDER... UNION... NORTHUMBERLAND... MONTOUR... COLUMBIA... SCHUYLKILL... BEDFORD... FULTON... FRANKLIN... PERRY... DAUPHIN... CUMBERLAND...LEBANON... ADAMS... YORK AND LANCASTER THE SEVERE THUNDERSTORM WATCH COVERS THE REGION GENERALLY ALONG AND EAST OF A LINE FROM WELLSBORO...SOUTHWEST TO PHILIPSBURG AND ALTOONA. A LINE OF STRONG THUNDERSTORMS EXTENDING FROM THE NORTH CENTRAL MOUNTAINS SOUTHWEST TO CLEARFIELD AND INDIANA AT 2 PM...WILL INTENSIFY AS IT MOVES SOUTHEAST DURING THE LATE AFTERNOON HOURS. THE PRIMARY THREAT FROM THIS LINE OF THUNDERSTORMS WILL BE DAMAGING STRAIGHT LINE WIND GUSTS UP TO 70 MPH...FREQUENT DEADLY CLOUD TO GROUND LIGHTNING AND BRIEF TORRENTIAL RAIN. KEEP TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE SOURCE OF NATIONAL WEATHER SERVICE INFORMATION VIA THE RADIO OR TELEVISION FOR ADDITIONAL UPDATES AND POSSIBLE WARNINGS. TAKE COVER INDOORS...PREFERABLY IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS...IF SEVERE WEATHER IS SIGHTED OR A WARNING IS ISSUED. LAMBERT
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 2:51 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 49 min |
| Sep 2, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 60 min |
| Sep 2, 6:54 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 16 min |
| Sep 2, 7:34 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 46 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1998Every severe thunderstorm warning in 1998
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.