Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 216, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Aug 27, 2000, 5:28 PM EDT for Adams County, Pennsylvania. It was in force for 92 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, 5:28 PM EDT (21:28 UTC)
- Expired
- Aug 27, 2000, 7:00 PM EDT
- In force
- 92 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Adams County, PA
The radar
The Sterling radar (KLWX), 102 km from the middle of the area, began a volume at 21:29 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.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.5 hours before the alert went out and 104 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
- 440 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 957 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 39 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 272137 SVRCTP PAC001-272300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 528 PM EDT SUN AUG 27 2000 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ADAMS COUNTY. * UNTIL 700 PM EDT. * AT 522 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 17 MILES NORTHWEST OF FAIRFIELD TO 8 MILES SOUTHWEST OF LITTLESTOWN...MOVING EAST AT 15 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... GETTYSBURG AND LITTLESTOWN AT 600 PM. BONNEAUVILLE AT 610 PM. ARENDTSVILLE AT 615 PM. BIGLERVILLE AND MCSHERRYSTOWN AT 625 PM. BENDERSVILLE AND NEW OXFORD AT 635 PM. YORK SPRINGS AT 700 PM. THESE STORMS HAVE ALREADY PRODUCED WIND DAMAGE OVER SOUTHERN ADAMS COUNTY. STAY INDOORS AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CAN OCCASIONALLY PRODUCE TORNADOES WITH LITTLE AD?VANCE WARNING. $$ FITZGERALD
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, 3:00 PM EDT, 2 hours 28 minutes earlier.
Area forecast discussion, Aug 27, 3:00 PM EDT, 2 hours 28 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 300 PM EDT SUN AUG 27 2000 POTENT SHRTWV/UPR CENTER OVER OH IS MAKING SLOW PROGRESS SEWD THIS AFTN. NARROW BAND OF SHOWERS AND SOME EMBEDDED THUNDERSTORMS MAKING ITS WAY ACROSS WRN PART OF OUR CWA ATTM. THE BAND IS MVNG INTO PLUME OF HIGHER SFC DEWPOINTS OVER SCENTRAL PA...HELPING TSTMS TO CONTINUE FOR THE TIME BEING. MOVEMENT AND COVERAGE OF THE SHWRS/TSTMS INTO THIS EVENING WILL CONTINUE TO BE THE MAIN FCST PROBLEM. THUS WILL DELAY ZONE ISSUANCE UNTIL JUST BEFORE 4PM. GRADUAL CLEARING OF CLOUD COVER FROM NW TO SE EXPECTED TONIGHT WITH WIDESPREAD FOG DEVELOPMENT ALSO EXPECTED WITH THE CLEARING LATE TONIGHT WITH FOG HANGING AROUND THROUGH MON AM. AS UPR LOW PROCEEDS TO VA AND LOW PRESSURE DEVELOPS ALONG THE EASTER SEABOARD...EASTERLY FLOW WILL KEEP SOME CLOUDS OVER ERN CWA MON MORN. EXTENDED... WARMING TREND SHAPIYNG UP IN THE EXTENDED AS UPR RIDGE BUILDS EAST INTO THE MIDATLC. CHNC OF SHWR/TSTM WED INTO EARLY THUR FOR THE WEST AS NEXT SYSTEM APPROACHES FROM THE NW. .CTP...NONE. GARTNER
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 1:43 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 62 min |
| Aug 27, 2:18 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 57 min |
| Aug 27, 6:27 PM EDT | Flash Flood Warning | CTP | Adams | 3 hr |
| Aug 27, 7:48 PM EDT | Flash Flood Warning | CTP | Cumberland | 117 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; radar from the NEXRAD Level II archive.