Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 222, NWS State College, PA

August 27, 2000Centre County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 27, 2000, 11:02 PM EDT for Centre County, Pennsylvania. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 27, 2000, 11:02 PM EDT (03:02 UTC)
Expired
Aug 28, 2000, 12:00 AM EDT
In force
58 min
Issued by
NWS State College, PA
Area
Whole counties

County Centre County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 3.0 hours before the alert went out and 200 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, Pittsburgh, PA at 00:00Z on 2000-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 888 joules per kilogram.LCLEL10008507005003002001001 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, Pittsburgh, PA at 00:00Z on 2000-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
888 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-14 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.

000 
WUUS51 KCTP 280303
SVRCTP
PAC027-280400-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1102 PM EDT SUN AUG 27 2000

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRE COUNTY.

* UNTIL MIDNIGHT EDT.

* AT 1101 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF CENTRE HALL...OR 7 MILES
  SOUTHEAST OF BELLEFONTE...MOVING WEST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LEMONT AND BELLEFONTE AT 1110 PM.
  MILESBURG AND STATE COLLEGE AT 1115 PM.
  PARK FOREST AND UNIONVILLE AT 1120 PM.
  PHILIPSBURG AT 1145 PM.

STAY INDOORS AWAY FROM WINDOWS.  INTENSE RAIN AND STRONG DAMAGING 
WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL 
SHELTER UNTIL THE STORM PASSES.

$$

LAT...LON 4072 7773 4087 7758 4102 7801 4086 7835

DANGELO

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 Aug 27, 9:55 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, Aug 27, 9:55 PM EDT, 1 hour 7 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
955 PM EDT SUN AUG 27 2000

...WORK ZONES OUT AS PHLADMCTP...

UPPER LO SLOWLY SLIDING TO THE SOUTHEAST WITH SOUTHEASTERLY
MOIST CONVEYOR OVER LOWER SUSQ VALL. WILL EXTEND FFA FOR THE
OVERNIGHT PERIOD. EXPECT ACTIVITY TO SLOWLY DISSIPATE LATE TONIGHT
AS SYSTEM PUSHES SOUTHWARD THROUGH VIRGINIA.

.CTP...FLASH FLOOD WATCH TONIGHT LOWER SUSQ VALLEY.

FITZGERALD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 8:59 PM EDTSevere Thunderstorm WarningCTPCumberland, Dauphin, York61 min
Aug 27, 8:59 PM EDTSevere Thunderstorm WarningCTPLebanon61 min
Aug 27, 9:12 PM EDTSevere Thunderstorm WarningCTPPerry93 min
Aug 27, 9:33 PM EDTFlash Flood WarningCTPAdams, Cumberland117 min
Aug 27, 10:05 PM EDTSevere Thunderstorm WarningCTPJuniata, Snyder40 min
Aug 27, 10:18 PM EDTSevere Thunderstorm WarningCTPMifflin, Union42 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.