Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 93, NWS State College, PA

June 2, 2000Warren County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 2, 2000, 11:24 AM EDT for Warren County, Pennsylvania. It was in force for 66 min. 3 reports 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
Jun 2, 2000, 11:24 AM EDT (15:24 UTC)
Expired
Jun 2, 2000, 12:30 PM EDT
In force
66 min
Issued by
NWS State College, PA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Warren County, PA

What was reported inside it

TimeReportWhereRemark
Jun 2, 12:05 PM EDTThunderstorm Wind 59 ECorry, PAThunderstorm winds were estimated at 60 mph.
Jun 2, 12:05 PM EDTHail 1Corry, PA
Jun 2, 12:15 PM EDTHail 0.75Warren, 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.4 hours before the alert went out and 135 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, Buffalo Intl Airport, NY at 12:00Z on 2000-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2000-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 square meters per square second.193958Sfc1 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
106 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
290 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KCTP 021525
SVRCTP
PAC123-021630-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1124 AM EDT FRI JUN 2 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WARREN COUNTY.

* UNTIL 1230 PM EDT.

* AT 1117 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES NORTH OF UNION CITY...OR ABOUT 17 MILES
  WEST OF BEAR LAKE...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEAR LAKE AT 1150 AM EDT.
  TIDIOUTE AT 1205 PM EDT.
  
THIS IS A DANGEROUS STORM WITH DAMAGING WINDS. STAY INDOORS AWAY FROM
WINDOWS.

.END/LA VCORTE

LAT...LON 4201 7985 4166 7975 4164 7900 4199 7896

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 2, 9:40 AM EDT, 1 hour 44 minutes earlier.

Area forecast discussion, Jun 2, 9:40 AM EDT, 1 hour 44 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
940 AM EDT FRI JUN 2 2000

RED-LETTER DAY FOR CENTL PA...HOWEVER DIFFERENT SETUP THAN TWO YEARS
AGO...AS STRAIGHT-LINE WIND DAMAGE BECOMING MORE LIKELY W/TIME...AS
UPR LVL WINDS NOW LINED UP W/LLVL INFLOW. LOW RISK FOR TORNADIC
DEVLOPMENT FM ROTATING STORMS. GUSTNADOES ALWAYS A WORRY WITH STRONG
BOW ECHOES AND GUST FRONTS THO. HAIL THREAT NOT AS HIGH AS LAST
WED...WITH LLVLS VERY WARM AND WBZ FAIRLY HIGH.

DECENT DWPTS (LOWER 70S POISED AT MASON-DIXON LN) AND NEAR RECORD
HEAT WL COMBINE W/THE APPCHNG CD FNT AND DECENT MID LVL LAPSE RATES
TO CREATE SVR TSTMS THIS AFTN AND EVE. CONSIDERING THAT ABT 50% OF
THE SPC MDT RISK AREA DRAWN TO COVER PA...EXPECT THINGS TO GET ROUGH
LATER TDY. CURR FCST HAS ALL THESE THINGS INCLDD AND WL ADD
NEAR-RECORD WORDING TO IPT ZN...AS IPT REC MAX TDY IS 95/1923 (MDT
96 IN 1895). QUIET/COOLER PD TO FOLLOW FOR THE WKND!

.CTP...NONE.

MMD

In the hours before

Special weather statement, Jun 2, 10:50 AM EDT, 34 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-022300-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1050 AM EDT FRI JUN 2 2000

...THE STORM PREDICTION CENTER HAS PLACED MOST OF CENTRAL
PENNSYLVANIA INTO A MODERATE RISK FOR SEVERE WEATHER THIS AFTERNOON
AND THIS EVENING...

VERY WARM AND HUMID AIR WILL COVER PENNSYLVANIA TODAY. A COLD FRONT
WILL TRACK SOUTHEAST ACROSS THE AREA LATE THIS AFTERNOON AND THIS
EVENING. THUNDERSTORMS WILL DEVELOP AS THE FRONT INTERACTS WITH THE
WARM HUMID AIR.

THE FIRST THUNDERSTORMS FROM THIS SYSTEM WILL BE DEVELOPING ACROSS THE
NORTHWEST HALF OF PENNSYLVANIA THIS AFTERNOON. THE STORMS WILL THEN
MOVE SOUTHEAST ACROSS CENTRAL PENNSYLVANIA LATE THIS AFTERNOON AND
EARLY THIS EVENING. SOME OF THE STORMS WILL LIKELY PRODUCE WIND
GUSTS OVER 50 MPH AND LARGE HAIL IS ALSO POSSIBLE WITH THE STRONGEST
STORMS. DAMAGING WINDS FROM THE THUNDERSTORMS WILL BE THE MAIN
THREAT TODAY. THE STORMS WILL GENERALLY BE MOVING VERY QUICKLY TO
THE SOUTHEAST...AT ABOUT 40 MPH. THE CHANCE OF SEVERE WEATHER WILL
END LATE IN THE EVENING IN THE LOWER SUSQUEHANNA VALLEY.

PLEASE STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION TO
STAY UP TO DATE ON THIS POTENTIAL SEVERE WEATHER SITUATION. LISTEN
FOR POSSIBLE WATCHES AND WARNINGS...AND BE PREPARED TO TAKE ACTION
TO PROTECT YOURSELF OR YOUR PROPERTY SHOULD STORMS THREATEN YOUR
IMMEDIATE AREA.

SKYWARN SPOTTER ACTIVATION IS LIKELY THIS AFTERNOON AND EVENING.

.END/DANGELO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 12:21 PM EDTTornado WarningCTPWarren54 min
Jun 2, 12:44 PM EDTTornado WarningCTPMcKean2 hr
Jun 2, 1:37 PM EDTSevere Thunderstorm WarningCTPWarren53 min
Jun 2, 2:24 PM EDTSevere Thunderstorm WarningCTPPotter51 min
Jun 2, 2:43 PM EDTSevere Thunderstorm WarningCTPElk62 min
Jun 2, 2:58 PM EDTSevere Thunderstorm WarningCTPMcKean47 min
Jun 2, 3:10 PM EDTSevere Thunderstorm WarningCTPCameron65 min
Jun 2, 3:14 PM EDTSevere Thunderstorm WarningCTPPotter61 min
Jun 2, 3:22 PM EDTSevere Thunderstorm WarningCTPClearfield53 min
Jun 2, 3:30 PM EDTSevere Thunderstorm WarningCTPClinton75 min
Jun 2, 3:40 PM EDTSevere Thunderstorm WarningCTPTioga65 min
Jun 2, 3:58 PM EDTSevere Thunderstorm WarningCTPLycoming92 min
Jun 2, 4:00 PM EDTSevere Thunderstorm WarningCTPCentre95 min
Jun 2, 4:13 PM EDTSevere Thunderstorm WarningCTPClearfield62 min
Jun 2, 4:19 PM EDTSevere Thunderstorm WarningCTPSullivan56 min
Jun 2, 4:24 PM EDTSevere Thunderstorm WarningCTPCambria66 min
Jun 2, 4:49 PM EDTSevere Thunderstorm WarningCTPNorthumberland, Snyder, Union56 min
Jun 2, 4:49 PM EDTSevere Thunderstorm WarningCTPColumbia, Montour56 min
Jun 2, 4:53 PM EDTSevere Thunderstorm WarningCTPBlair67 min
Jun 2, 5:05 PM EDTSevere Thunderstorm WarningCTPHuntingdon, Juniata, Mifflin55 min
Jun 2, 5:13 PM EDTSevere Thunderstorm WarningCTPSomerset77 min
Jun 2, 5:32 PM EDTSevere Thunderstorm WarningCTPBedford58 min
Jun 2, 5:40 PM EDTSevere Thunderstorm WarningCTPDauphin, Lebanon, Schuylkill95 min
Jun 2, 5:40 PM EDTSevere Thunderstorm WarningCTPPerry95 min
Jun 2, 6:02 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin88 min
Jun 2, 6:02 PM EDTSevere Thunderstorm WarningCTPFulton88 min
Jun 2, 6:28 PM EDTSevere Thunderstorm WarningCTPBedford47 min
Jun 2, 6:37 PM EDTSevere Thunderstorm WarningCTPLancaster, York38 min
Jun 2, 7:27 PM EDTSevere Thunderstorm WarningCTPAdams48 min
Jun 2, 7:57 PM EDTSevere Thunderstorm WarningCTPYork63 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.