Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 9, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Apr 12, 1996, 9:43 PM EDT for Centre County, Clinton County, Pennsylvania. It was in force for 62 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 12, 1996, 9:43 PM EDT (01:43 UTC)
- Expired
- Apr 12, 1996, 10:45 PM EDT
- In force
- 62 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Centre County, PA, Clinton County, PA
The radar
The State College radar (KCCX), 29 km from the middle of the area, began a volume at 01:47 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 12, 10:27 PM EDT | Thunderstorm Wind | Lamar, PA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.7 hours before the alert went out and 213 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
- 2813 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 130143 SVRCTP PAC021-027-035-117-130245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 946 PM EDT FRI APR 12 1996 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN PENNSYLVANIA ...CAMBRIA COUNTY...CENTRE COUNTY...CLINTON COUNTY ...TIOGA COUNTY A LINE OF SEVERE THUNDERSTORMS AT 945 EXTENDED FROM NORTHEASTERN TIOGA COUNTY THROUGH SINNEMAHONING THROUGH CURWINSVILLE. THIS LINE IS MOVING TO THE SOUTHEAST AT 35 MILES PER HOUR. IT WILL BE NEAR WELLSBORO.. RENOVO AND PHILIPSBURG BY 10 PM. STRONG WINDS AND SMALL HAIL MAY ACCOMPANY THESE STORMS AS THEY MOVE THROUGH THE REGION. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST. FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. GRUMM/LACORTE
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 Apr 12, 9:00 PM EDT, 43 minutes earlier.
Area forecast discussion, Apr 12, 9:00 PM EDT, 43 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 845 PM EDT FRI APR 12 1996 RADAR VERY ACTIVE TONIGHT WITH ELEVATED CONVECTION MOVING ALONG THE FRONT. MOST OF THE CONVECTION IS ON THE COLD SIDE OF THE BOUNDARY. LOOKS LIKE AN ELEVATED CONVECTIVE SYSTEM...BUT ITS NOT TOTALLY DECOUPLED FROM THE BOUNDARY LAYER. THIS DERECHO SHOULD TURN TO THE RIGHT AS IT MOVES ESEWD TONIGHT. RAMSDIS IMAGERY SHOWS ANOTHER CONVECTIVE AREA BUILDING OVER MI...RIGHT WHERE THE CURRENT ONE CAME FROM. SHOWERS AND TSTMS WILL BE A PROBLEM FOR MOST OF CWA AS THE MCS MOVE ACROSS THE REGION. MOSTLY SHOWERS IN SERN AND SRN ZONES. THUNDER IN NW/CNTRL. FRONT SAGS SWD TONIGHT ACROSS CNTRL PA. LOOKS WET TOMORROW. BUT HAVE TO WATCH THE RADAR. GRUMM
In the hours before
Special weather statement, Apr 12, 8:00 PM EDT, 1 hour 43 minutes before
PAZ004>006-010>012-017>019-024>026-045-130400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 759 PM EDT FRI APR 12 1996 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... WARREN... MCKEAN... POTTER... ELK... CAMERON CLINTON...CLEARFIELD...CENTRE... CAMRIA...BLAIR AND HUNTINGDON.... A LINE OF SHOWERS AND THUNDERSTORMS MOVE ACROSS OHIO EARLIER THIS EVENING AND PRODUCED DAMAGE DUE TO HIGH WINDS. THIS LINE HAS MOVED INTO WESTERN PENNSYLVANIA AND WILL TRACK ACROSS THE STATE TONIGHT. AS OF 8 PM THUNDERSTORMS WERE ENTERING WARREN COUNTY. SOME OF THESE THUNDERSTORMS MAY CONTAIN STRONG GUSTY WINDS AND POSSIBLY HAIL. TON(E ALERT YOUR NOAA WEATHER RADIO OR STAY TUNED TO YOUR FAVORITE STATION FOR WEATHER INFORMATION IN CASE SEVERE THUNDERSTORM WARNINGS ARE ISSUED. GRUMM
Special weather statement, Apr 12, 8:05 PM EDT, 1 hour 38 minutes before
PAZ004>006-010>012-017>019-024>026-045-130400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 805 PM EDT FRI APR 12 1996 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... WARREN... MCKEAN... POTTER... ELK... CAMERON CLINTON...CLEARFIELD...CENTRE... CAMRIA...BLAIR...MIFFLIN AND HUNTINGDON.... A LINE OF SHOWERS AND THUNDERSTORMS MOVE ACROSS OHIO EARLIER THIS EVENING AND PRODUCED DAMAGE DUE TO HIGH WINDS. THIS LINE HAS MOVED INTO WESTERN PENNSYLVANIA AND WILL TRACK ACROSS THE STATE TONIGHT. AS OF 8 PM THUNDERSTORMS WERE ENTERING WARREN COUNTY. SOME OF THESE THUNDERSTORMS MAY CONTAIN STRONG GUSTY WINDS AND POSSIBLY HAIL*. TONE ALERT YOUR NOAA WEATHER RADIO OR STAY TUNED TO YOUR FAVORITE STATION FOR WEATHER INFORMATION IN CASE SEVERE THUNDERSTORM WARNINGS ARE ISSUED. CORRECTED TO ADD MIFFLIN COUNTY. GRUMM/SKEEN
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 8:25 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 65 min |
| Apr 12, 9:20 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield | 70 min |
| Apr 12, 9:20 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 70 min |
| Apr 12, 9:43 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 62 min |
| Apr 12, 9:43 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 62 min |
| Apr 12, 10:14 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 61 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.