Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 92, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 15, 1998, 1:36 PM EDT for Bedford County, Somerset County, Pennsylvania. It was in force for 49 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
- Jun 15, 1998, 1:36 PM EDT (17:36 UTC)
- Expired
- Jun 15, 1998, 2:25 PM EDT
- In force
- 49 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Bedford County, PA, Somerset County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 5.6 hours before the alert went out and 123 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
- 7 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
936 WUUS01 KCTP 151739 RRA SVRCTP PAC111-009-151825- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 136 PM EDT MON JUN 15 1998 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN SOMERSET COUNTY IN SOUTHWESTERN PENNSYLVANIA SOUTHERN BEDFORD COUNTY IN SOUTHWESTERN PENNSYLVAINA * UNTIL 225 PM EDT * AT 135 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM SOUTHERN SOMERSET COUNTY...MOVING NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SALISBURY AT 145 PM EDT HYNDMAN AT 210PM EDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS ONDREJIK/DUNHAM
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 Jun 15, 9:35 AM EDT, 4 hours 1 minute earlier.
Area forecast discussion, Jun 15, 9:35 AM EDT, 4 hours 1 minute before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 935 AM EDT MON JUN 15 1998 WORK ZONES SENT TO PIT AND PHL VIA PHLADMCTP ...DISCUSSION... A THIN BAND OF -SHRA MOVG ACRS CTPCWA ATTM WILL MOVE NE OUT OF THE PICTURE BY NOON. FOG APPRS TO BE ONLY ON RIDGETOPS AND IS LIFTING IN RESPONSE TO -SHRA MOVG THRU. THERE IS A NICE CLEAR SLOT OVR WPA ATTM WHICH WILL FILL IN DURG THE LATE AM AND EARLY PM WITH HEATING AS AIR MASS DESTABILIZES. SAT PICS ALSO INDICATE A VORT MAX OVR NE OH MOVG NE TOWARD ERI THIS IS GENERATING SHRA OVER NW PA THIS AM. AS THIS VORT PULLS OFF INTO NY STATE THERE WILL BE A BREAK IN THE SHOWERS B4 SECOND SURGE OF SHRA AND TSTMS WILL MOVE IN THIS PM. NEW AMD HANDLES THIS TREND WELL. WILL TOUCH UP ZFP TO KEEP THE BOOKKEEPING STRAIGHT BUT FCST LOOKS GOOD FOR NOW. HEAD
In the hours before
Special weather statement, Jun 15, 11:40 AM EDT, 1 hour 56 minutes before
PAZ017>019-024>028-033>037-041-042-045-046-049>053-056>059 -063>066-152100- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 1140 AM EDT MON JUN 15 1998 ...SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS SOUTH CENTRAL PENNSYLVANIA AND THE MID AND LOWER SUSQUEHANNA VALLEY THIS AFTERNOON AND EARLY TONIGHT... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THAT PORTION OF CENTRAL PENNSYLVANIA SOUTH AND EAST OF A LINE FROM BEDFORD...TO STATE COLLEGE...LOCK HAVEN AND WILLIAMSPORT. LOW PRESSURE ALONG THE INDIANA/ILLINOIS BORDER AT NOON WILL MOVE NORTHEAST TO AROUND CLEVELAND OHIO THIS EVENING. A WARM FRONT EXTENDING SOUTHEAST FROM THE LOW CENTER WILL DRIFT NORTH INTO CENTRAL PENNSYLVANIA LATE TODAY. SHOWERS AND THUNDERSTORMS WILL DEVELOP IN THE VICINITY OF THIS FRONT...WITH THE MOST POTENT THUNDERSTORMS EXPECTED OVER THE LOWER SUSQUEHANNA VALLEY AND SOUTHEASTERN PENNSYLVANIA. THE KEY FACTOR FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS LATER TODAY WILL BE THE DEGREE OF SUNSHINE THAT OCCURS. THE PRIMARY THREAT FROM THESE THUNDERSTORMS WILL BE LARGE HAIL AND STRONG WINDS. AN ISOLATED TORNADO CAN NOT BE RULED OUT OVER SOUTH CENTRAL AND SOUTHEASTERN PENNSYLVANIA...WHERE WINDS FIELDS WILL EXHIBIT THE GREATEST SPEED AND DIRECTIONAL WIND SHEAR WITHIN THE LOWEST 6 TO 8 THOUSAND FEET ABOVE THE GROUND. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR LATER STATEMENTS CONCERNING THIS POTENTIAL SEVERE WEATHER SITUATION. SKYWARN ACTIVATION MAY BE NEEDED LAT THIS AFTERNOON AND EVENING. HEAD
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.