Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 92, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at May 24, 2000, 7:44 PM EDT for Lancaster County, Pennsylvania. It was in force for 46 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 24, 2000, 7:44 PM EDT (23:44 UTC)
- Expired
- May 24, 2000, 8:30 PM EDT
- In force
- 46 min
- Issued by
- NWS State College, PA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Lancaster County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 24, 7:50 PM EDT | Hail 0.88 | Ephrata, PA |
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 24, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.7 hours before the alert went out and 84 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
- 89 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 816 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 16 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.
000 WUUS51 KCTP 242346 SVRCTP PAC071-250030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 744 PM EDT WED MAY 24 2000 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN LANCASTER COUNTY. * UNTIL 830 PM EDT. * AT 738 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EPHRATA...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BOWMANSVILLE AT 750 PM EDT. TERRE HILL AT 755 PM EDT. THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS. .END/ LAT...LON 4029 7622 4011 7623 4006 7547 4031 7546 }
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 24, 2:07 PM EDT, 5 hours 37 minutes earlier.
Area forecast discussion, May 24, 2:07 PM EDT, 5 hours 37 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 207 PM EDT WED MAY 24 2000 ...NEW WATCH POSS SOON... SCEANRIO IS PLAYING OUT VERY CLOSE TO FCST...ROTATORS AHEAD OF THE MAIN ACTION TO HAPPEN TONIGHT. ELK CO GETTING TWO SHOTS OF SVR THIS AFTN...AS BOTH STORMS HAD WERS WITH THE SECOND ONE A BWER. ROTATION IS NOT ALL THAT STRONG. MID LVL COOLING ASSOCD WITH VORT MAX CROSSING NRN COS ATTM HAS PROVIDED JUST ENUF SFC LIFT AND MILVL COOLING TO POP TSRA. ATMOS PROFILE DOING THE REST. MORE TO COME... NEW RUNS LINGER ACTION A LTL LONGER THAN ERLIER RUNS DID...AND MIGHT HAVE TO PUSH BACK ALL TIMING. SO...CLRNG WL HV TO WAIT. BUT THURS MAY TURN OUT MUCH NICER IN THE EAST...SO WL DROP POPS FM MORNING TIME FRAME. TEMPS ON MOS TOO LOW. XTNDD: MRF (AND NEW AVN) VERY CONSISTENT W/THE STORM ON SAT/SUN STILL A LONG DURATION THING...AND WL GO LIKELY ON SUN...BUT HOLD ON THAT FOR SAT...AS TIMING MORE LATE SAT INTO SUN AM. MON CHC SHRA. BUSY NITE AHEAD...KEEP ALERT. .CTP...NONE. DANGELO
In the hours before
Special weather statement, May 24, 3:06 PM EDT, 4 hours 38 minutes before
PAZ006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-250100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 306 PM EDT WED MAY 24 2000 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM FOR THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... BEDFORD BLAIR CAMBRIA CAMERON CENTRE CLEARFIELD CLINTON COLUMBIA CUMBERLAND DAUPHIN ELK FULTON FRANKLIN HUNTINGDON ADAMS JUNIATA LANCASTER LEBANON LYCOMING MIFFLIN MONTOUR NORTHUMBERLAND PERRY POTTER SCHUYLKILL SNYDER SOMERSET SULLIVAN TIOGA UNION YORK A COLD FRONT WILL APPROACH THE AREA THIS EVENING. THIS WILL CAUSE SHOWERS AND THUNDERSTORMS TO INCREASE OVER THE REGION. SOME OF THE THUNDERSTORMS COULD BECOME LOCALLY SEVERE...ACCOMPANIED BY LARGE HAIL AND DAMAGING WIND GUSTS. STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR LATER UPDATES AND POSSIBLE WARNINGS.
Local storm report, May 24, 3:45 PM EDT, 3 hours 59 minutes before
PHLWRKLSR
TTAAOO KCTP 241946
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
345 PM EDT WED MAY 24 2000
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0220 PM LAKE MEADE PA 1.75 INCH HAIL
05/24/00 ADAMS
0244 PM CHAMBERSBURG PA .75 INCH HAIL
05/24/00 FRANKLIN
0315 PM ETTERS PA .75 INCH HAIL
05/24/00 YORKLocal storm report, May 24, 3:47 PM EDT, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
347 PM EDT WED MAY 24 2000
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0220 PM LAKE MEADE PA 1.75 INCH HAIL
05/24/00 ADAMS
0244 PM CHAMBERSBURG PA .75 INCH HAIL
05/24/00 FRANKLIN
0315 PM ETTERS % PA .75 INCH HAIL
05/24/00 YORKLocal storm report, May 24, 5:24 PM EDT, 2 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
524 PM EDT WED MAY 24 2000
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0220 PM LAKE MEADE PA 1.75 INCH HAIL
05/24/00 ADAMS
0244 PM CHAMBERSBURG PA .75 INCH HAIL
05/24/00 FRANKLIN
0245 PM BEECH CREEK PA 1.00 INCH HAIL
05/24/00 CENTRE
0315 PM ETTERS PA .75 INCH HAIL
05/24/00 YORK
0330 PM ST CLAIR PA WIND DAMAGE
05/24/00 SCHULYKILL TREES DOWN
0430 PM POTTSVILLE PA WIND DAMAGE
05/24/00 SCHUYLKILL TREE DOWN
0500 PM AUBURN PA WIND DAMAGE
05/24/00 SCHUYLKILL TREES/WIRES DOWN
0510 PM 4 S PHILIPSBURG PA .75 INCH HAIL
05/24/00 CENTRE
0510 PM 4 NE STATE COLLEGE PA .88 INCH HAIL
05/24/00 CENTRESpecial weather statement, May 24, 6:31 PM EDT, 1 hour 13 minutes before
PAZ006-010>012-017>019-037-041-042-045-046-242300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 631 PM EDT WED MAY 24 2000 ...SEVERE THUNDERSTORM WATCH CANCELED... DRIER AIR HAS MOVED INTO THE AREA IN THE WAKE OF THUNDERSTORMS THAT MOVED THROUGH DURING THE AFTERNOON. THIS...COMBINED WITH THE WANING DAYTIME HEATING...REDUCES THE THREAT FOR SEVERE THUNDERSTORMS. SCATTERED THUNDERSTORMS MAY DRIFT ACROSS THE AREA THIS EVENING...BUT THE THREAT FOR SEVERE THUNDERSTORMS HAS DIMINISHED. .END/ HEAD
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 2:58 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 47 min |
| May 24, 12:45 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 30 min |
| May 24, 1:29 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 31 min |
| May 24, 1:46 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 29 min |
| May 24, 2:06 PM EDT | Severe Thunderstorm Warning | CTP | York | 39 min |
| May 24, 2:07 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 38 min |
| May 24, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 33 min |
| May 24, 2:16 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 59 min |
| May 24, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 57 min |
| May 24, 2:48 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 57 min |
| May 24, 2:53 PM EDT | Severe Thunderstorm Warning | CTP | York | 67 min |
| May 24, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 20 min |
| May 24, 3:16 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 59 min |
| May 24, 3:21 PM EDT | Severe Thunderstorm Warning | CTP | Union | 39 min |
| May 24, 4:15 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 45 min |
| May 24, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 50 min |
| May 24, 4:32 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 43 min |
| May 24, 4:40 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 35 min |
| May 24, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 60 min |
| May 24, 5:22 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 53 min |
| May 24, 5:43 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder | 47 min |
| May 24, 6:07 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland | 53 min |
| May 24, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 47 min |
| May 24, 7:15 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 15 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.