Severe Thunderstorm Warning 141, NWS State College, PA

Issued

Aug 22, 2002, 6:27 PM EDT (22:27 UTC)

Expired

Aug 22, 2002, 7:00 PM EDT

In force

33 min

Issued by

NWS State College, PA

Area

Whole counties

County Clearfield County, PA

The State College radar (KCCX), 40 km from the middle of the area, began a volume at 22:29 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.

721 
WUUS51 KCTP 222227
SVRCTP
PAC033-222300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
625 PM EDT THU AUG 22 2002

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLEARFIELD COUNTY IN CENTRAL PENNSYLVANIA

* UNTIL 700 PM EDT.

* AT 625 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES NORTHWEST OF WOODLAND...OR 4 MILES
  NORTH OF CLEARFIELD...MOVING SOUTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WOODLAND AROUND 630 PM.

THE MOST INTENSE PART OF THIS SEVERE THUNDERSTORM WILL PASS A FEW 
MILES TO THE NORTH AND EAST OF DOWNTOWN CLEARFIELD.

THE MAIN THREAT FROM THIS STORM IS A DAMAGING WIND GUST. EXPECT GUSTS
TO EXCEED 60 MPH. THESE WINDS CAN EASILY KNOCK DOWN TREES AND POWER
LINES...AND CAUSE PROPERTY DAMAGE. LARGE HAIL IS ALSO POSSIBLE. THE
SAFEST PLACE TO BE DURING A SEVERE THUNDERSTORM IS INSIDE A
SUBSTANTIAL SHELTER...AWAY FROM WINDOWS.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. STAY INDOORS AWAY
FROM WINDOWS. STAY OFF THE PHONE IF POSSIBLE.

$$

LAT...LON 4112 7844 4105 7849 4103 7846 4100 7842
          4088 7826 4099 7812


LAMBERT

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 22, 3:45 PM EDT, 2 hours 42 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
345 PM EDT THU AUG 22 2002

FRONTAL BOUNDARY DROPPING GRADUALLY SOUTHWARD ACROSS THE GREAT LAKES
NOW SPREADING SHOWERS/TSTORMS INTO NORTHERN PA.  WITH MARGINAL
INSTABILITY AND MARGINAL DYNAMICS...STORMS WILL BEAR WATCHING FOR
POSSIBILITY OF SOME DAMAGING WINDS IN SPOTS THIS EVENING -
ESPECIALLY IF AN ORGANIZED LINE FORMS.

MAJORITY OF ACTIVITY WILL MOVE INTO SOUTH CENTRAL PA LATER TONIGHT
AND EXPECT JUST MOSTLY CLOUDY SKIES IN THE NORTH LATE.  MODELS
DIVERGING ON HANDLING OF THE FRONTAL POSITION WITH NGM/AVN QUICKLY
MOVING IT THROUGH AND ETA KEEPING CLOUDS AND MOISTURE OVER THE AREA
FOR THE NEXT FEW DAYS.  LOOKS LIKE THE ETA MAY BE ON THE RIGHT
TRACK...ALTHOUGH A BIT OVERDONE AND WILL NOT HURRY CLOUDS OUT OF
HERE THIS WEEKEND.

A SERIES OF WAVES WILL MOVE ALONG THE FRONT FRI/SAT KEEPING A CHANCE
FOR PRECIP IN THE FORECAST.  BY SUNDAY...INDICATIONS ARE THAT THE
FRONT WILL FINALLY GET PUSHED THROUGH AS HIGH PRESSURE BUILDS IN
FROM THE NW.  AFTER A SERIES OF DRY DAYS TO START THE WEEK...NEXT
SYSTEM PROGGED TO MOVE NORTH FROM THE MID ATLANTIC REGION FOR THU.

FCSTID = 16
MDT   73  83  66  81 /  70  40  40  40
IPT   66  79  60  77 /  70  20  30  30
BFD   61  74  51  75 /  60  30  30  30
JST   67  76  61  75 /  70  50  50  50
AOO   69  79  61  77 /  70  40  40  40
UNV   67  77  59  76 /  70  30  40  40
SEG   68  80  63  79 /  70  30  40  40
LNS   73  83  64  80 /  70  40  40  40
THV   73  83  64  80 /  70  40  40  40

.CTP...
PA...NONE.

RXR

Severe Thunderstorm Warnings in Pennsylvania, 2002Every severe thunderstorm warning in 2002

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.