Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 13, NWS State College, PA

May 10, 2000Sullivan County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 10, 2000, 10:26 AM EDT for Sullivan County, Pennsylvania. It was in force for 64 min. 1 report 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 10, 2000, 10:26 AM EDT (14:26 UTC)
Expired
May 10, 2000, 11:30 AM EDT
In force
64 min
Issued by
NWS State College, PA
Area
Whole counties

County Sullivan County, PA

The radar

The Binghamton radar (KBGM), 95 km from the middle of the area, began a volume at 14:30 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

TimeReportWhereRemark
May 10, 10:30 AM EDTThunderstorm WindForksville, PATrees were down on Route 154 in the area around Forksville.

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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 2.4 hours before the alert went out and 222 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 2000-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 786 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, Phillips Aaf/Abe, MD at 12:00Z on 2000-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -75 square meters per square second.1939Sfc1 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
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

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KCTP 101429
SVRCTP
PAC113-101530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1026 AM EDT WED MAY 10 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SULLIVAN COUNTY.

* UNTIL 1130 AM EDT.

* AT 1017 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 13 MILES
  NORTH OF MONTOURSVILLE...OR ABOUT 15 MILES WEST OF FORKSVILLE...
  MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WHEELERVILLE AND SHUNK AT 1040 AM.
  
THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.
q
.END/

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 4:33 AM EDTSevere Thunderstorm WarningCTPElk57 min
May 10, 5:54 AM EDTSevere Thunderstorm WarningCTPMcKean36 min
May 10, 10:09 AM EDTSevere Thunderstorm WarningCTPLycoming51 min
May 10, 10:52 AM EDTSevere Thunderstorm WarningCTPElk53 min
May 10, 11:10 AM EDTSevere Thunderstorm WarningCTPCumberland, Dauphin, Perry65 min
May 10, 11:17 AM EDTSevere Thunderstorm WarningCTPClearfield58 min
May 10, 11:28 AM EDTSevere Thunderstorm WarningCTPMcKean62 min
May 10, 11:41 AM EDTSevere Thunderstorm WarningCTPCameron, Elk49 min
May 10, 11:42 AM EDTTornado WarningCTPDauphin33 min
May 10, 11:48 AM EDTSevere Thunderstorm WarningCTPYork57 min
May 10, 12:05 PM EDTSevere Thunderstorm WarningCTPLebanon, Schuylkill55 min
May 10, 12:14 PM EDTSevere Thunderstorm WarningCTPCameron, Clearfield46 min
May 10, 12:19 PM EDTSevere Thunderstorm WarningCTPColumbia56 min
May 10, 12:28 PM EDTSevere Thunderstorm WarningCTPBlair62 min
May 10, 12:32 PM EDTSevere Thunderstorm WarningCTPBedford, Somerset58 min
May 10, 12:40 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton65 min
May 10, 12:49 PM EDTSevere Thunderstorm WarningCTPTioga71 min
May 10, 12:58 PM EDTSevere Thunderstorm WarningCTPDauphin, Perry62 min
May 10, 1:05 PM EDTSevere Thunderstorm WarningCTPSchuylkill70 min
May 10, 1:09 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin66 min
May 10, 1:18 PM EDTSevere Thunderstorm WarningCTPHuntingdon57 min
May 10, 1:40 PM EDTSevere Thunderstorm WarningCTPNorthumberland65 min
May 10, 1:45 PM EDTSevere Thunderstorm WarningCTPClinton45 min
May 10, 1:58 PM EDTSevere Thunderstorm WarningCTPDauphin, Northumberland62 min
May 10, 2:12 PM EDTSevere Thunderstorm WarningCTPLycoming63 min
May 10, 2:17 PM EDTSevere Thunderstorm WarningCTPColumbia, Schuylkill58 min
May 10, 2:45 PM EDTSevere Thunderstorm WarningCTPAdams, Franklin60 min
May 10, 2:51 PM EDTSevere Thunderstorm WarningCTPSullivan39 min
May 10, 3:07 PM EDTSevere Thunderstorm WarningCTPColumbia, Northumberland68 min
May 10, 3:19 PM EDTSevere Thunderstorm WarningCTPDauphin, York86 min
May 10, 3:56 PM EDTSevere Thunderstorm WarningCTPLancaster64 min
May 10, 4:27 PM EDTTornado WarningCTPLancaster48 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.