Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 43, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at May 12, 2000, 6:09 PM EDT for Lycoming County, Pennsylvania. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- May 12, 2000, 6:09 PM EDT (22:09 UTC)
- Expired
- May 12, 2000, 7:15 PM EDT
- In force
- 66 min
- Issued by
- NWS State College, PA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Lycoming County, PA
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.2 hours before the alert went out and 211 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2093 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 210 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 122211
SVRCTP
PAC081-122315-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
609 PM EDT FRI MAY 12 2000
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
LYCOMING COUNTY.
* UNTIL 715 PM EDT.
* AT 604 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 5 MILES NORTHWEST OF MONTOURSVILLE...MOVING
SOUTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WILLIAMSPORT AND MONTGOMERY AT 620 PM.
MUNCY AND PICTURE ROCKS AT 625 PM.
HUGHESVILLE AT 630 PM.
THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.
THIS IS sA DANGEROUS STORM WITH DAMAGING WINDS AND LARGE HAIL. STAY
INDOORS AWAY FROM WINDOWS.
.END/ JUNG
LAT...LON 4142 7696 4127 7711 4115 7700 4116 7666
4125 7651What 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 May 12, 3:15 PM EDT, 2 hours 54 minutes earlier.
Area forecast discussion, May 12, 3:15 PM EDT, 2 hours 54 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 315 PM EDT FRI MAY 12 2000 HERE WE GO. A CLUSTER OF STRONG THUNDERSTORMS IS CURRENTLY SKIRTING ACROSS THE NY/PA BORDER. OTHERWISE...THE CAP OVER PA IS HOLDING DOWN ADDITIONAL CONVECTION. THE CAP WILL BEGIN TO BREAK TO OUR WEST BY EARLY EVENING AND GOOD INSTABILITY WILL FINALLY BE TAPPED. HIGHEST RISK WILL BE IN THE WEST THIS EVENING BEHIND WARM FRONT AS VERY MOIST AIR BRINGS NEGATIVE LI/S AND DECENT SHEAR. WILL SEND OUT A QUICK SPECIAL WEATHER STATEMENT TO MENTION THE SEVERE POTENTIAL THIS EVENING IN THE WEST. MCS DEVELOPING OVER MI MAY REACH CENTRAL PA LATER TONIGHT. 500MB HEIGHT AND 1000-500MB THICKNESS INDICATE THIS CLUSTER WILL TRACK TOWARD NW PA AS IT DIMINISHES. KEPT HIGH POPS IN THE N TONIGHT AND A LOW CHANCE ALL THE WAY TO THE LOWER SUSQ VALLEY. A COLD FRONT WILL CROSS THE REGION TOMORROW...IN THE LATE MORNING FOR THE WEST AND IN THE MID AFTERNOON FOR THE EAST. SHOWERS AND THUNDERSTORMS AGAIN LIKELY AHEAD OF THE FRONT AS VERY MOIST AIR REMAINS IN PLACE. A GOOD CHANCE OF SEVERE STORMS IN THE EAST SAT AFTERNOON. TIMING OF FRONT WILL ALLOW MAX HEATING...AND INSTABILITY AND WIND SHEAR WILL INCREASE THROUGH THE DAY. SPC HAS E PA IN SLIGHT RISK SAT. WILL NOT ADD MENTION OF SEVERE TO ZONES YET...BUT MID SHIFT WILL NEED TO ADDRESS IT. BY SAT NIGHT THE FRONT PUSHES EAST OF THE CWA. JUST A CHANCE OF AN EVENING THUNDERSTORM IN THE EXTREME E FRI BEFORE SKIES GO PARTLY CLOUDY AND COOLER AIR BEGINS TO FILTER IN. SAT THROUGH WED WEATHER WILL BE DOMINATED BY A GREAT LAKES TROUGH. MENTIONED A CHANCE OF A SHOWER EARLY MONDAY ACROSS THE NORTH...OTHERWISE DRY AND COOL THROUGH THE PERIOD. .CTP...NONE. RXR
In the hours before
Special weather statement, May 12, 3:57 PM EDT, 2 hours 12 minutes before
PAZ004>006-010>012-017>019-024>026-033>035-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 357 PM EDT FRI MAY 12 2000 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING... THE PASSAGE OF A WARM FRONT EARLIER THIS AFTERNOON HAS ALLOWED WARMER AND MORE HUMID AIR TO MOVE INTO THE REGION. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP IN THIS WARM AND HUMID AIR DURING THE EVENING HOURS...MAINLY WEST OF A COUDERSPORT...TO STATE COLLEGE...TO CHAMBERSBURG LINE. A FEW OF THE THUNDERSTORMS THAT FORM WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND LARGE HAIL. SKYWARN SPOTTER NETWORKS MAY NEED TO BE ACTIVATED THIS EVENING.
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 65 min |
| May 12, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 59 min |
| May 12, 6:40 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 35 min |
| May 12, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 49 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.