Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 90, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 13, 1998, 12:58 PM EDT for Blair County, Pennsylvania. It was in force for 47 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 13, 1998, 12:58 PM EDT (16:58 UTC)
- Expired
- Jun 13, 1998, 1:45 PM EDT
- In force
- 47 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Blair County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 5.0 hours before the alert went out and 148 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
- 10 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 500 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jun 13, 9:45 AM EDT, 3 hours 13 minutes earlier.
Area forecast discussion, Jun 13, 9:45 AM EDT, 3 hours 13 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 945 AM EDT SAT JUN 13 1998 WORK ZONES SENT TO PIT AND PHL AT 920 AM. ...DISCUSSION... A NICE BREAK HAS DEVELOPED OVER CTP AT PRESENT AND THIS NEEDED TO BE ACCOUNTED FOR IN ZONES E OF ALLEGHENIES AND WEST OF THE SUSQ RIVER. BELIEVE THE LOWER SUSQ AND FAR E ZONES WILL CONTINUE TO SEE REGENERATION OF THE SHRA AND ANY SUN BETWEEN SHRA WILL NOT BE WORTH A MENTION. FURTHER WEST AND NORTH IT HAS BEEN A BEAUTIFUL EARLY SUMMER MORNING. LOOKING OUT OUR WINDOW WE CAN SEE THE CU/SC ALREADY HEADING THIS WAY FROM THE W. THE CLD APPRS QUITE RAGGED SO THERE IS NOTHING GOING ON OVHD TO GENERATE SHOWERS IMMEDIATELY E OF MTNS IN THE NEAR FUTURE. KCCX IS PICKING UP -SHRA DEVELOPING FURTHER W FROM JEFFERSON CTY SW TOWARD KPBZ. SAT LOOP INDICATES MOTH EATEN SHRA DEVELOPING OVR E OH MOVING NE SO IT WILL PROB BE ALMOST MID PM B4 SHRA/TSTMS MAKE IT E OF THE MTNS. RAIN WILL LIKELY CONTINUE WELL INTO TONIGHT OVER THE LOWER SUSQ AND POINTS NE AND E FROM THERE. TOUGH PART OF FCST IS PREDICTING SPOKES ROTATING AROUND THE GIANT WHEEL DEVELOPING ALONG THE COAST. THIS HAS A MUCH STRONGER IMPLICATION TO THE FCST FURTHER WEST BECAUSE EASTERN AREAS WILL REMAIN WET WHILE W AND CPA WILL HAVE CHANGABLE CONDITIONS DEPENDENT ON TIMING OF SPOKES ROTATING AROUND THE UL LOW. BELIEVE WESTERN ZFP HANDLES THIS REASONABLY WELL AND WILL ONLY TWEAK IT A BIT THIS PM. HEAD
In the hours before
Special weather statement, Jun 13, 11:00 AM EDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT...FLASH FLOOD WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 1100 AM EDT SAT JUN 13 1998 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WATCH THROUGH THIS EVENING FOR THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... SCHUYLKILL... LEBANON... DAUPHIN... AND LANCASTER. HEAVY RAINFALL OVERNIGHT HAS SATURATED THE GROUND AND RAISED STREAM LEVELS TO NEAR BANK FULL. RAIN IS CONTINUING OVER THE REGION AND EXPECTED TO BECOME HEAVIER LATER THIS AFTERNOON AND EVENING. THIS MAY RESULT IN SMALL STREAM FLOODING. A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS A POSSIBILITY... NOT A CERTAINTY. PERSONS IN FLOOD PRONE AREAS SHOULD KEEP A WATCHFUL EYE ON STREAMS AND CREEKS IN THEIR AREA AND MOVE TO HIGHER GROUND IF A WARNING IS ISSUED LATER TODAY OR THIS EVENING. HEAD
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 11:16 AM EDT | Severe Thunderstorm Warning | CTP | Somerset | 59 min |
| Jun 13, 3:56 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 59 min |
| Jun 13, 5:09 PM EDT | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| Jun 13, 5:09 PM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
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.