Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 224, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Sep 12, 2000, 4:27 PM EDT for Clinton County, Pennsylvania. It was in force for 33 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
- Sep 12, 2000, 4:27 PM EDT (20:27 UTC)
- Expired
- Sep 12, 2000, 5:00 PM EDT
- In force
- 33 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Clinton County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.5 hours before the alert went out and 208 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
- 75 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 154 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 122027 SVRCTP PAC035-122100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 427 PM EDT TUE SEP 12 2000 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLINTON COUNTY. * UNTIL 500 PM EDT. * AT 421 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER LOGANTON...OR 10 MILES SOUTHEAST OF LOCK HAVEN...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... RURAL SOUTHEASTERN CLINTON COUNTY INCLUDING RAUCHTOWN AND CARROLL. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE NOTICE. THIS IS A DANGEROUS STORM WITH DAMAGING WINDS AND LARGE HAIL. STAY INDOORS AWAY FROM WINDOWS. $$ LAT...LON 4108 7744 4100 7731 4109 7707 4115 7726 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 Sep 12, 1:20 PM EDT, 3 hours 7 minutes earlier.
Area forecast discussion, Sep 12, 1:20 PM EDT, 3 hours 7 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 120 PM EDT TUE SEP 12 2000 ...WORK ZONES BY 330 PM... ...ZONES BY 345 PM... ...CHANGES... WILL MOST LIKELY EDGE POPS TO CAT. ALL AREAS TONIGHT. WILL BRING CHC IN W AND NW AREAS LATE THU. WILL KEEP SHOWERS IN FOR FRI AND SAT...AND ADD FOR SUNDAY. ...DISC... ...SHORT TERM... SEVERAL AREAS OF SHOWERS/STORMS MOVING ACROSS THIS AM...EXPECTED THESE TO COME IN A FEW HOURS EARLIER...THUS NOT HAVING A DRY MORNING AS EXPECTED. HOWEVER...LATE AM INTO EARLY AFT...FINE LATE SUMMER WX ...SO ENJOY. SOME HEAVY AMTS LATELY...RADAR ESTIMATE 2.9 WESTERN BORDER OF SOMERSET CO. SUNDAY NIGHT. LAST NIGHT...RADAR ESTIMATE 5.3 INCHES WESTERN ALLEGANY CO. MD. ANYWAY...UP TO EARLY THIS AM...MOST OF THE RAIN WEST OF THE SUSQ VLY...BUT NOW IN THAT AREA THIS AM. ANYWAY...W AND C PA HAS HAD DECENT AMT OF HEATING...THUS SOME SHOWERS AND STORMS WITH FRONT. WHILE BEST SUPPORT TO THE N...VORT MAX FCST ACROSS THIS AREA...THUS WILL MOST LIKELY WILL BRING ALL ZONES INTO CAT. POPS TONIGHT...ESPECIALLY GIVEN HOW FAR THE FRONT HAS TO GO YET...AND MODERATE CU OUT NOW. ISOLATED STRONG STORMS CAN'T BE RULED OUT. STILL LEE-SIDE FEATURE COULD HURT CONVERGENCE...BUT DEWPOINTS STILL QUITE HIGH. ETA AND CURRENT DATA HINT AT WEAK WAVE ALONG FRONT WED AM...THUS SOME CLDS AND EVEN A SHOWER S PA WED AM. COLD AIR NOT AS COLD NOW. BACK INTO THE RETURN FLOW THU...SHOWERS TO PUSH INTO NW THU AFT...AND FAR W LATE IN THE DAY...AS LOW TRACKS TOWARD LOWER LAKES. ETA HINTS THAT INSTABILITY WILL TRY TO RETURN FROM THE SOUTH. ...LONG TERM... MEAN RIDGE NEAR WINTER TIME POSITION TO DRIVE EAST COAST TROUGH AND SPIN UP OF SIGNIFICANT LOW. STRONG JET WILL DIG AND SYSTEM FCST TO GO NEG. TILT DURING THE WEEKEND...AS FRONT SLOWS DOWN...AND INSTABILITY COMBINES WITH DYANMACS. A RUATHER STRONG COASTAL LOW LIKELY TO DEVELOP. THUS CHC POPS FOR WEEKEND SEEM THE BEST FOR NOW. MAIN RISK FOR WET WX WILL BE NE PA. COOLER TEMPS TO FOLLOW. CTP...NONE. MARTIN
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 3:08 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 52 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.