Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 52, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at May 29, 1998, 5:30 PM EDT for Huntingdon County, Pennsylvania. It was in force for 65 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 29, 1998, 5:30 PM EDT (21:30 UTC)
- Expired
- May 29, 1998, 6:35 PM EDT
- In force
- 65 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Huntingdon County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 5:47 PM EDT | Thunderstorm Wind 51 | Smithfield, PA | Trees blown down. |
| May 29, 5:55 PM EDT | Thunderstorm Wind 51 | Huntingdon, PA | Trees down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 29, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.5 hours before the alert went out and 171 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
- 1231 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
457 WUUS01 KCTP 292129 RRA SVRCTP PAC061-292235- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 530 PM EDT FRI MAY 29 1998 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HUNTINGDON COUNTY IN SOUTH CENTRAL PENNSYLVANIA * UNTIL 635 PM EDT * AT 529 PM EDT...STATE COLLEGE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ACROSS NORTHERN BLAIR COUNTY. THE LINE OF STORMS WAS MOVING TO THE EAST AT 30 MPH. * THE LINE OF SEVERE THUNDERSTORMS WILL BE NEAR... FRANKLINVILLE BY 540 PM... NEFFS MILLS BY 545 PM... HUNTINGDON BY 545 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE INDOORS AND STAY AWAY FROM WINDOWS. HEAVY RAINS FLOOD ROADS QUICKLY. DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. DANGELO
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 May 29, 1:50 PM EDT, 3 hours 40 minutes earlier.
Area forecast discussion, May 29, 1:50 PM EDT, 3 hours 40 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 150 PM EDT FRI MAY 29 1998 ...WRKZONES SENT TO PIT/PHL VIA PHLADMCTP... PIT ZNS AVBL PHL TO FOLLOW SHORTLY ...DISCUSSION... VIS SAT PICS INDICATING RAPID TSTM DVLPMT ACROSS WRN NY AND CENT LE IN ASSOC WITH 5H S/W. SIGNS OF A LINE OF MDT CU/TCU DVLPMENT EXTND DOWN INTO CENTRAL OH...WHICH SHLD BEGIN TO FIRE AS THEY APPRCH REAL MUGGY AIR ACROSS E OH AND W PA. NW FLOW ALFT WL BRING THESE INTO FA AS PROGGED. AS PER SPC...MAIN SVR THREAT WL BE ACROSS WRN AND NRN PA WITH DAMAGING WNDS AND HAIL WITH STRONG LL FLOW AND MID LVL COOLING. ACTIVITY WILL END THIS EVENING AS DRYING TAKES PLACE FROM THE NW WITH FROPA. CLDS SHLD CLR OUT OF ALL CWA BUT LOWER SUSQ BY 12Z. TMPS IN NRN AREAS CLD DROP INTO UPPER 40S LOCALLY W/ DIMINISHING N WINDS AND SFC DRYING...BUT WL REMAIN MUGGY AND WARM ACROSS THE SE. SAT SHAPING UP TO BE A GREAT DAY. PLENTY O SUNSHINE AND MORE SEASONABLE TEMPS WILL RETURN...AS SOME WEAK CAA TAKES OVR W/ 8H TMPS FALLING SOME 2-3C FROM TODAY. ONLY CONCERN WL BE SOME CI BLOWOFF FROM ANY MCC DVLPMT OVER WRN LAKES/MIDWEST. HIGH MOVES E AND STRONG SW FLOW TAKES OVER SAT NIGHT AS SFC LOW BOMBS TO ARND 989MB (WOW) OVER MIDWEST BY 12Z SUN PER NGM...BUT ETA SOLN (994MB) PREFERRED DUE TO RARITY OF SUCH A SYSTEM IN LATE MAY/EARLY JUNE AND HANDLE ON MOISTURE PARAMETERS. WARM FRONT PASSES THRU SAT NIGHT ADVECTING IN REALLY WARM AND HUMID AIR. 8H TEMPS SOAR INTO THE UPPER TEENS AND NOSE OF THETA-E RIDGE PUSHES ACROSS ACROSS OH VALLEY INTO SW PA. FEEL THIS WL BE NEXT THREAT FOR SVR WX AS LIS ONCE AGAIN APPRCH -6...CAPES BETWEEN 500-1000...STRONG UPPER LEVEL DIV. MCC DVLPMT A POSSIBILITY...ESP INTO NRN CWA INTO NY WHERE DYNAMICS ARE GREATEST. SFC WINDS W/ STRNG PRES GRDNT WILL LIKELY EXCEED 20 MPH...SO WILL LIKELY MENTION WINDS IN NEXT FULL PKG FOR SUN. DESPITE POTENTIAL FOR TEMPS WELL INTO THE 90S...FEEL MID BKN/OVC LAYER DUE TO WAA WILL LIKELY HOLD MAX TMPS ON SUN IN THE 80S. FEEL FWC GUIDANCE LOOKS OK WITH MINOR TWEAKING HERE OR THERE. BOOKBINDER/DANGELO
In the hours before
Special weather statement, May 29, 1:55 PM EDT, 3 hours 35 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 300050- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 155 PM EDT FRI MAY 29 1998 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL PENNSYLVANIA UNTIL 8 PM... THE WATCH INCLUDES WARREN...MCKEAN...POTTER...ELK... CAMERON...CLINTON...CLEARFIELD...CENTRE...CAMBRIA... BLAIR...HUNTINGDON...MIFFLIN...JUNIATA...SOMERSET... BEDFORD...FULTON...AND FRANKLIN COUNTIES. THE WATCH ALSO INCLUDES THE FOLLOWING COUNTIES IN THE SUSQUEHANNA VALLEY... TIOGA...LYCOMING...SULLIVAN...UNION...SYNDER...MONTOUR... NORTHUMBERLAND...AND COLUMBIA COUNTIES. THUNDERSTORMS ARE EXPECTED TO DEVELOP AHEAD OF A COLD FRONT THIS AFTERNOON AND EVENING. STORMS ARE LIKELY TO BECOME SEVERE. STORMS MAY CONTAIN LARGE HAIL... DAMAGING WINDS...AND DANGEROUS LIGHTNING. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD SEEK SHELTER IF THREATENING WEATHER OCCURS OR A WARNING IS ISSUED. MARTIN
Special weather statement, May 29, 1:55 PM EDT, 3 hours 35 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 300050- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 155 PM EDT FRI MAY 29 1998 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL PENNSYLVANIA UNTIL 8 PM... THE WATCH INCLUDES WARREN...MCKEAN...POTTER...ELK... CAMERON...CLINTON...CLEARFIELD...CENTRE...CAMBRIA... BLAIR...HUNTINGDON...MIFFLIN...JUNIATA...SOMERSET... BEDFORD...FULTON...AND FRANKLIN COUNTIES. THE WATCH ALSO INCLUDES THE FOLLOWING COUNTIES IN THE SUSQUEHANNA VALLEY... TIOGA...LYCOMING...SULLIVAN...UNION...SYNDER...MONTOUR... NORTHUMBERLAND...AND COLUMBIA COUNTIES. THUNDERSTORMS ARE EXPECTED TO DEVELOP AHEAD OF A COLD FRONT THIS AFTERNOON AND EVENING. STORMS ARE LIKELY TO BECOME SEVERE. STORMS MAY CONTAIN LARGE HAIL... DAMAGING WINDS...AND DANGEROUS LIGHTNING. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD SEEK SHELTER IF THREATENING WEATHER OCCURS OR A WARNING IS ISSUED. MARTIN
Special weather statement, May 29, 5:10 PM EDT, 20 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045 -046-049>053-056>059-063>066-300300- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH...CORRECTED NATIONAL WEATHER SERVICE STATE COLLEGE PA 510 PM EDT FRI MAY 29 1998 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF EASTERN PENNSYLVANIA UNTIL 11 PM... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL PENNSYLVANIA UNTIL 8 PM... ...SEVERE THUNDERSTORM WATCH FOR WARREN...MCKEAN AND ELK COUNTIES HAS BEEN CANCELED AS OF 5 PM... THE WATCH ISSUED FOR EASTERN PENNSYLVANIA INCLUDES THE FOLLOWING COUNTIES: SCHUYLKILL...DAUPHIN...CUMBERLAND...PERRY...ADAMS...YORK...LEBANON... LANCASTER. THE SEVERE THUNDERSTORM WATCH FOR CENTRAL PENNSYLVANIA INCLUDES THE FOLLOWING COUNTIES: POTTER...CAMERON...CLINTON...CLEARFIELD... CENTRE...CAMBRIA...BLAIR...HUNTINGDON...MIFFLIN...JUNIATA... SOMERSET...BEDFORD...FULTON...FRANKLIN...TIOGA...LYCOMING...SULLIVAN ...UNION...SNYDER...MONTOUR...NORTHUMBERLAND...AND COLUMBIA COUNTIES. THUNDERSTORMS HAVE DEVELOPED AHEAD OF A COLD FRONT THIS AFTERNOON AND EVENING. THESE STORMS HAVE HAD A HISTORY OF PRODUCING SEVERE WEATHER ACROSS PORTIONS OF WESTERN AND CENTRAL PENNSYLVANIA AND WILL LIKELY CONTINUE THIS TREND INTO EASTERN PENNSYLVANIA THIS EVENING. THE STORMS MAY CONTAIN LARGE HAIL...DAMAGING WINDS...AND DANGEROUS LIGHTNING AS THEY MOVE EAST-SOUTHEAST THIS EVENING. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD SEEK SHELTER IF THREATENING WEATHER OCCURS OR A WARNING IS ISSUED. ...CORRECTED TO TAKE WARREN...MCKEAN AND ELK COUNTIES OUT OF WATCH BOX... WINTHER
Special weather statement, May 29, 5:10 PM EDT, 20 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045 -046-049>053-056>059-063>066-300300- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 510 PM EDT FRI MAY 29 1998 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF EASTERN PENNSYLVANIA UNTIL 11 PM... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL PENNSYLVANIA UNTIL 8 PM... ...SEVERE THUNDERSTORM WATCH FOR WARREN...MCKEAN AND ELK COUNTIES HAS BEEN CANCELED AS OF 5 PM... THE WATCH ISSUED FOR EASTERN PENNSYLVANIA INCLUDES THE FOLLOWING COUNTIES: SCHUYLKILL...DAUPHIN...CUMBERLAND...PERRY...ADAMS...YORK...LEBANON... LANCASTER. THE SEVERE THUNDERSTORM WATCH FOR CENTRAL PENNSYLVANIA INCLUDES THE FOLLOWING COUNTIES: WARREN...MCKEAN...POTTER...ELK...CAMERON...CLINTON...CLEARFIELD... CENTRE...CAMBRIA...BLAIR...HUNTINGDON...MIFFLIN...JUNIATA... SOMERSET...BEDFORD...FULTON...FRANKLIN...TIOGA...LYCOMING...SULLIVAN ...UNION...SNYDER...MONTOUR...NORTHUMBERLAND...AND COLUMBIA COUNTIES. THUNDERSTORMS HAVE DEVELOPED AHEAD OF A COLD FRONT THIS AFTERNOON AND EVENING. THESE STORMS HAVE HAD A HISTORY OF PRODUCING SEVERE WEATHER ACROSS PORTIONS OF WESTERN AND CENTRAL PENNSYLVANIA AND WILL LIKELY CONTINUE THIS TREND INTO EASTERN PENNSYLVANIA THIS EVENING. THE STORMS MAY CONTAIN LARGE HAIL...DAMAGING WINDS...AND DANGEROUS LIGHTNING AS THEY MOVE EAST-SOUTHEAST THIS EVENING. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD SEEK SHELTER IF THREATENING WEATHER OCCURS OR A WARNING IS ISSUED. WINTHER
Special weather statement, May 29, 5:10 PM EDT, 20 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045 -046-049>053-056>059-063>066-300300- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH...CORRECTED NATIONAL WEATHER SERVICE STATE COLLEGE PA 510 PM EDT FRI MAY 29 1998 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF EASTERN PENNSYLVANIA UNTIL 11 PM... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL PENNSYLVANIA UNTIL 8 PM... ...SEVERE THUNDERSTORM WATCH FOR WARREN...MCKEAN AND ELK COUNTIES HAS BEEN CANCELED AS OF 5 PM... THE WATCH ISSUED FOR EASTERN PENNSYLVANIA INCLUDES THE FOLLOWING COUNTIES: SCHUYLKILL...DAUPHIN...CUMBERLAND...PERRY...ADAMS...YORK...LEBANON... LANCASTER. THE SEVERE THUNDERSTORM WATCH FOR CENTRAL PENNSYLVANIA INCLUDES THE FOLLOWING COUNTIES: POTTER...CAMERON...CLINTON...CLEARFIELD... CENTRE...CAMBRIA...BLAIR...HUNTINGDON...MIFFLIN...JUNIATA... SOMERSET...BEDFORD...FULTON...FRANKLIN...TIOGA...LYCOMING...SULLIVAN ...UNION...SNYDER...MONTOUR...NORTHUMBERLAND...AND COLUMBIA COUNTIES. THUNDERSTORMS HAVE DEVELOPED AHEAD OF A COLD FRONT THIS AFTERNOON AND EVENING. THESE STORMS HAVE HAD A HISTORY OF PRODUCING SEVERE WEATHER ACROSS PORTIONS OF WESTERN AND CENTRAL PENNSYLVANIA AND WILL LIKELY CONTINUE THIS TREND INTO EASTERN PENNSYLVANIA THIS EVENING. THE STORMS MAY CONTAIN LARGE HAIL...DAMAGING WINDS...AND DANGEROUS LIGHTNING AS THEY MOVE EAST-SOUTHEAST THIS EVENING. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD SEEK SHELTER IF THREATENING WEATHER OCCURS OR A WARNING IS ISSUED. ...CORRECTED TO TAKE WARREN...MCKEAN AND ELK COUNTIES OUT OF WATCH BOX... WINTHER
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 63 min |
| May 29, 2:48 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 62 min |
| May 29, 3:24 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 61 min |
| May 29, 3:40 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield | 60 min |
| May 29, 3:51 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 64 min |
| May 29, 4:03 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 97 min |
| May 29, 4:03 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 97 min |
| May 29, 4:07 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 63 min |
| May 29, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 64 min |
| May 29, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Union | 64 min |
| May 29, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Clearfield | 60 min |
| May 29, 6:07 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 63 min |
| May 29, 6:11 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 49 min |
| May 29, 6:24 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 61 min |
| May 29, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 62 min |
| May 29, 6:42 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 63 min |
| May 29, 6:59 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 31 min |
| May 29, 7:06 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 89 min |
| May 29, 7:06 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 89 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.