Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 38, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at May 10, 2000, 3:07 PM EDT for Columbia County, Northumberland County, Pennsylvania. It was in force for 68 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 10, 2000, 3:07 PM EDT (19:07 UTC)
- Expired
- May 10, 2000, 4:15 PM EDT
- In force
- 68 min
- Issued by
- NWS State College, PA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Columbia County, PA, Northumberland County, PA
The radar
The Binghamton radar (KBGM), 138 km from the middle of the area, began a volume at 19:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 10, 3:15 PM EDT | Hail 0.75 | Shamokin, PA | Hail caused a number of traffic accidents in the Shamokin area. |
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 10, 10:45 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 10, 11:15 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.1 hours before the alert went out and 170 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
- 786 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 1290 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -75 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KCTP 101909 SVRCTP PAC037-097-102015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 307 PM EDT WED MAY 10 2000 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... COLUMBIA COUNTY. NORTHUMBERLAND COUNTY. * UNTIL 415 PM. * AT 257 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 6 MILES SOUTHWEST OF SHAMOKIN...OR ABOUT 4 MILES SOUTHWEST OF FAIRVIEW-FERNDALE...MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... KULPMONT AT 310 PM. MARION HEIGHTS AT 315 PM.6 LIME RIDGE AT 340 PM. MIFFLINVILLE AT 345 PM. BRIAR CREEK AT 350 PM. THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS. .END/ LAT...LON 4077 7671 4066 7653 4127 7576 4146 7606
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 10, 9:25 AM EDT, 5 hours 42 minutes earlier.
Area forecast discussion, May 10, 9:25 AM EDT, 5 hours 42 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 925 AM EDT WED MAY 10 2000 TSRA FROM WARREN COUNTY BACK TO BUTLER COUNTY MOVG NE WILL MISS AREAS S AND E OF THE MTNS. THERE IS A LINE OF SPKLS FROM ELK COUNTY DOWN TO SOMERSET COUNTY THAT IS ALSO MOVG NE. DRIER DEWPTS OVR THE ALLEGHENIES DESPITE THESE SPKLS THEN DEWPTS RISE AGAIN OVR THE HEADWATERS TO THE OH VAL. PRES RISES AND DRIER DEWPTS AGAIN IN THE CMH AREA DESPITE THE CONTINUING SW WIND INDICATE FROPA HAS OCCURRED THERE. SO FRONT AT 12Z APPRS TO BE JUST TO W OF CLE THRU CMH TO HTS. FRONT APPRS TO BE MOVG E ABOUT 30 KTS. PURE EXTRAPOLATION PUTS THE FRONT FROM W WARREN COUNTY TO LBE AROUND 16Z AND TO IPT TO HGR BY 20Z. MESO ETA SHOWS ANOTHER SURGE OF 85H WINDS ARRIVING JUST W OF FROPA BY 21Z. THIS WILL LIKELY FIRE SOME DECENT CONVECTION FROM MID AFTN INTO THE EVE ALG THE FRONT AS IT MOVES E. BY 00Z ON THE 11TH THE FRONT IS OVR NJ AND MOVG AWAY. SO OUR WINDOW OF OPPORTUNITY WILL BE FROM 18-22Z AND ALL OF IT E OF THE ALLEGHENIES UNLESS A FEW OF THE STORMS MOVG ACRS THE NW THIS AM BECOME SVR. BASED ON WHAT HAPPENNED OVNT IT APPRS OUR VIL OF THE DAY WOULD BE AROUND 40. STRMS OVR THE NW ARE BETWEEN 30 AND 40 NOW. THEY SHUD DIMINISH DURG THE NEXT FEW HRS. SWODY1 HAS SLITE RISK OVR OUR ENTIRE CWA AND STATEMENT BEING ISSUED ATTM. .CTP...NONE. HEAD
In the hours before
Local storm report, May 10, 10:55 AM EDT, 4 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
1055 AM EDT WED MAY 10 2000
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1015 AM 1.5 N WARRENSVILLE PA 1.00 INCH HAIL
05/10/00 LYCOMING
1030 AM MIDDLE PAXTON BORO PA .75 INCH HAIL
05/10/00 DAUPHIN
1151 AM PORT ALLEGHENY PA .88 INCH HAIL
05/10/00 MCKEAN
1155 AM 2 N PORT ALLEGHENY PA 1.00 INCH HAIL
05/10/00 MCKEAN
DJOSpecial weather statement, May 10, 11:20 AM EDT, 3 hours 47 minutes before
PAZ005-006-010>012-017>019-024>028-033>037-041-045-046-049>053- 056>059-063>066-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 1120 AM EDT WED MAY 10 2000 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 500 PM THIS AFTERNOON FOR THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... ADAMS...BEDFORD...BLAIR...CAMBRIA...CAMERON...CENTRE...CLEARFIELD... CLINTON...COLUMBIA...CUMBERLAND...DAUPHIN...ELK...FRANKLIN... FULTON...HUNTINGDON...JUNIATA...LANCASTER...LEBANON...LYCOMING... MCKEAN...MIFFLIN...MONTOUR...NORTHUMBERLAND...PERRY...POTTER... SCHUYLKILL...SNYDER ...SOMERSET...SULLIVAN...TIOGA...UNION...YORK. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. .END /RXR
Local storm report, May 10, 11:58 AM EDT, 3 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
1055 AM EDT WED MAY 10 2000
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1015 AM 1.5 N WARRENSVILLE PA 1.00 INCH HAIL
05/10/00 LYCOMING
1030 AM MIDDLE PAXTON BORO PA .75 INCH HAIL
05/10/00 DAUPHIN
1151 AM PORT ALLEGHENY } PA .88 INCH HAIL
05/10/00 MCKEAN
1155 AM 2 N PORT ALLEGHENY PA 1.00 INCH HAIL
05/10/00 MCKEAN
DJOLocal storm report, May 10, 1:07 PM EDT, 2 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
1055 AM EDT WED MAY 10 2000
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1015 AM 1.5 N WARRENSVILLE PA 1.00 INCH HAIL
05/10/00 LYCOMING
1030 AM MIDDLE PAXTON BORO PA .75 INCH HAIL
05/10/00 DAUPHIN
1151 AM PORT ALLEGHENY PA .88 INCH HAIL
05/10/00 MCKEAN
1155 AM 2 N PORT ALLEGHENY PA 1.00 INCH HAIL
05/10/00 MCKEAN
1151 AM PORT ALLEGHENY PA 1.00 INCH HAIL
05/10/00 MCKEAN
1210 PM EMPORIUM PA 1.00 INCH HAIL
05/10/00 CAMERON
1210 PM NORTH BENTON PA 1.00 INCH HAIL
05/10/00 COLUMBIA
1235 PM HEGINS PA .75 INCH HAIL
05/10/00 SCHUYLKILL
1120 PM MARYSVILLE PA 1.75 INCH HAIL
05/10/00 PERRY
DJOLocal storm report, May 10, 2:49 PM EDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
1055 AM EDT WED MAY 10 2000
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1015 AM 1.5 N WARRENSVILLE PA 1.00 INCH HAIL
05/10/00 LYCOMING
1030 AM MIDDLE PAXTON BORO PA .75 INCH HAIL
05/10/00 DAUPHIN
1151 AM PORT ALLEGHENY PA .88 INCH HAIL
05/10/00 MCKEAN
1155 AM 2 N PORT ALLEGHENY PA 1.00 INCH HAIL
05/10/00 MCKEAN
1151 AM PORT ALLEGHENY PA 1.00 INCH HAIL
05/10/00 MCKEAN
1210 PM EMPORIUM PA 1.00 INCH HAIL
05/10/00 CAMERON
1210 PM NORTH BENTON PA 1.00 INCH HAIL
05/10/00 COLUMBIA
1235 PM HEGINS PA .75 INCH HAIL
05/10/00 SCHUYLKILL
1120 PM MARYSVILLE PA 1.75 INCH HAIL
05/10/00 PERRY
0145 PM MILL HALL PA 1.00 INCH HAIL
05/10/00 CLINTON
0151 PM HALIFAX PA 1.75 INCH HAIL
05/10/00 DAUPHIN
1247 PM WESTFIELD PA WIND DAMAGE
05/10/00 TIOGA TREES DOWN
105 PM KNOXVILLE PA WIND DAMAGE
05/10/00 TIOGA TREES DOWN
105 PM ROSEVILLE PA WIND DAMAGE
05/10/00 TIOGA POWER LINES DOWN
0205 PM LIBERTY PA .88 INCH HAIL
05/10/00 TIOGA
DJOSpecial weather statement, May 10, 3:00 PM EDT, 7 minutes before
PAZ005-006-010>012-017>019-024>028-033>037-041-045-046-049>053- 056>059-063>066-102100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 300 PM EDT WED MAY 10 2000 THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... BEDFORD...BLAIR...CAMBRIA...CAMERON...CENTRE...CLEARFIELD... CLINTON...ELK...FULTON...HUNTINGDON...MCKEAN...POTTER... SOMERSET...AND TIOGA. A COOLER AND MORE STABLE AIRMASS HAS MOVED INTO THE WESTERN MOUNTAINS...ENDING THE THREAT OF SEVERE THUNDERSTORMS. THERE WILL BE A CHANCE OF SHOWERS THROUGH THE AFTERNOON HOURS...BUT SEVERE THUNDERSTORMS ARE NO LONGER EXPECTED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM THIS AFTERNOON FOR THE SUSQUEHANNA VALLEY AND MUCH OF THE CENTRAL MOUNTAINS...INCLUDING THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... ADAMS...COLUMBIA...CUMBERLAND...DAUPHIN...FRANKLIN...JUNIATA... LANCASTER...LEBANON...LYCOMING...MIFFLIN...MONTOUR... NORTHUMBERLAND...PERRY...SCHUYLKILL...SNYDER...SULLIVAN... UNION...AND YORK. SEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL 3/4 OF AN INCH IN DIAMETER OR LARGER...DAMAGING THUNDERSTORM WINDS OF 58 MPH OR GREATER AND DANGEROUS CLOUD TO GROUND LIGHTNING. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS pSHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. .END/RXR
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 4:33 AM EDT | Severe Thunderstorm Warning | CTP | Elk | 57 min |
| May 10, 5:54 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 36 min |
| May 10, 10:09 AM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 51 min |
| May 10, 10:26 AM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 64 min |
| May 10, 10:52 AM EDT | Severe Thunderstorm Warning | CTP | Elk | 53 min |
| May 10, 11:10 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 65 min |
| May 10, 11:17 AM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 58 min |
| May 10, 11:28 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 62 min |
| May 10, 11:41 AM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 49 min |
| May 10, 11:42 AM EDT | Tornado Warning | CTP | Dauphin | 33 min |
| May 10, 11:48 AM EDT | Severe Thunderstorm Warning | CTP | York | 57 min |
| May 10, 12:05 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 55 min |
| May 10, 12:14 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield | 46 min |
| May 10, 12:19 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 56 min |
| May 10, 12:28 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 62 min |
| May 10, 12:32 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 58 min |
| May 10, 12:40 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 65 min |
| May 10, 12:49 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 71 min |
| May 10, 12:58 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Perry | 62 min |
| May 10, 1:05 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 70 min |
| May 10, 1:09 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin | 66 min |
| May 10, 1:18 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 57 min |
| May 10, 1:40 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 65 min |
| May 10, 1:45 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 45 min |
| May 10, 1:58 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland | 62 min |
| May 10, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 63 min |
| May 10, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 58 min |
| May 10, 2:45 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 60 min |
| May 10, 2:51 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 39 min |
| May 10, 3:19 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, York | 86 min |
| May 10, 3:56 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 64 min |
| May 10, 4:27 PM EDT | Tornado Warning | CTP | Lancaster | 48 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2000Every severe thunderstorm warning in 2000
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; radar from the NEXRAD Level II archive.