Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 80, NWS State College, PA

May 24, 2000Lancaster County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 24, 2000, 3:16 PM EDT for Lancaster County, Pennsylvania. It was in force for 59 min. No storm report in the archive falls 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.

The facts

Issued
May 24, 2000, 3:16 PM EDT (19:16 UTC)
Expired
May 24, 2000, 4:15 PM EDT
In force
59 min
Issued by
NWS State College, PA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Lancaster County, PA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 24, 3:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.3 hours before the alert went out and 88 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.

Skew-T log-pSkew-T log-p diagram, Phillips Aaf/Abe, MD at 12:00Z on 2000-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2000-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

702 
WUUS51 KCTP 241917
SVRCTP
PAC071-242015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
316 PM EDT WED MAY 24 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN LANCASTER COUNTY.

* UNTIL 415 PM EDT.

* AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF MIDDLETOWN...OR ABOUT 9 
  MILES WEST OF ELIZABETHTOWN...MOVING EAST SOUTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ELIZABETHTOWN AT 325 PM EDT.
  MARIETTA...MAYTOWN AT 330 PM EDT.
  COLUMBIA...MOUNT JOY AT 335 PM EDT.
  EAST PETERSBURG...LITITZ AT 345 PM EDT.
  LANCASTER...ROTHSVILLE AT 350 PM EDT.
  AKRON...LEACOCK-LEOLA-BAREVILLE AT 355 PM EDT.

THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.

.END/ LAMBERT/LA CORTE 

LAT...LON 4028 7685 4010 7691 3993 7625 4023 7611

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, 1 hour 9 minutes earlier.

Area forecast discussion, May 24, 2:07 PM EDT, 1 hour 9 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, 11:00 AM EDT, 4 hours 16 minutes before
PAZ004>006-010>012-017>019-024>028-037-041-042-045-046-049>053-
056>059-063>066-242200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1100 AM EDT WED MAY 24 2000

...A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS OVER CENTRAL
PENNSYLVANIA THIS AFTERNOON AND EVENING...

A COLD FRONT OVER THE MIDWEST WILL BE CROSSING THE STATE LATE THIS
EVENING. AHEAD OF THE COLD FRONT...WARM AND RATHER HUMID AIR WILL
COMBINE WITH FAST WINDS ALOFT TO MAKE FAVORABLE CONDITIONS FOR
THUNDERSTORMS TO FORM.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER MOST OF THE
REGION. SOME OF THE STORMS MAY BECOME SEVERE...ESPECIALLY LATE
THIS AFTERNOON AND DURING THE EVENING...CAUSING DAMAGING WINDS AND
LARGE HAIL.

STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR LATER
UPDATES AND POSSIBLE SEVERE WEATHER WATCHES. SKYWARN SPOTTER
NETWORKS MAY NEED TO BE ACTIVATED LATER TODAY.

.END/DANGELO
Special weather statement, May 24, 1:10 PM EDT, 2 hours 6 minutes before
PAZ004>006-010>012-017>019-024>028-037-041-042-045-046-049>053-
056>059-063>066-242200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
110 PM EDT WED MAY 24 2000

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM FOR THE
FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA...

CAMERON           CENTRE           CLINTON          COLUMBIA
LYCOMING          MONTOUR          NORTHUMBERLAND   POTTER
SULLIVAN          TIOGA            UNION

A COLD FRONT WILL APPROACH THE AREA LATER TODAY. 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.

.END/LA CORTE
Special weather statement, May 24, 3:06 PM EDT, 10 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.

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 2:58 AM EDTSevere Thunderstorm WarningCTPWarren47 min
May 24, 12:45 PM EDTSevere Thunderstorm WarningCTPElk30 min
May 24, 1:29 PM EDTSevere Thunderstorm WarningCTPElk31 min
May 24, 1:46 PM EDTSevere Thunderstorm WarningCTPCameron29 min
May 24, 2:06 PM EDTSevere Thunderstorm WarningCTPYork39 min
May 24, 2:07 PM EDTSevere Thunderstorm WarningCTPAdams, Franklin38 min
May 24, 2:12 PM EDTSevere Thunderstorm WarningCTPColumbia33 min
May 24, 2:16 PM EDTSevere Thunderstorm WarningCTPClinton59 min
May 24, 2:33 PM EDTSevere Thunderstorm WarningCTPCentre57 min
May 24, 2:48 PM EDTSevere Thunderstorm WarningCTPAdams57 min
May 24, 2:53 PM EDTSevere Thunderstorm WarningCTPYork67 min
May 24, 3:10 PM EDTSevere Thunderstorm WarningCTPClinton20 min
May 24, 3:21 PM EDTSevere Thunderstorm WarningCTPUnion39 min
May 24, 4:15 PM EDTSevere Thunderstorm WarningCTPClearfield45 min
May 24, 4:25 PM EDTSevere Thunderstorm WarningCTPCentre, Clearfield50 min
May 24, 4:32 PM EDTSevere Thunderstorm WarningCTPSchuylkill43 min
May 24, 4:40 PM EDTSevere Thunderstorm WarningCTPCambria35 min
May 24, 5:15 PM EDTSevere Thunderstorm WarningCTPCentre60 min
May 24, 5:22 PM EDTSevere Thunderstorm WarningCTPMifflin53 min
May 24, 5:43 PM EDTSevere Thunderstorm WarningCTPJuniata, Snyder47 min
May 24, 6:07 PM EDTSevere Thunderstorm WarningCTPDauphin, Northumberland53 min
May 24, 6:28 PM EDTSevere Thunderstorm WarningCTPLebanon, Schuylkill47 min
May 24, 7:15 PM EDTSevere Thunderstorm WarningCTPLebanon15 min
May 24, 7:44 PM EDTSevere Thunderstorm WarningCTPLancaster46 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; the sounding from the Mesonet's radiosonde archive.