Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 66, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 24, 1997, 4:43 PM EDT for Union County, Pennsylvania. It was in force for 62 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
- Jun 24, 1997, 4:43 PM EDT (20:43 UTC)
- Expired
- Jun 24, 1997, 5:45 PM EDT
- In force
- 62 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Union County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 8.7 hours before the alert went out and 226 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
- 1924 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 242043 RRA SVRCTP PAC119-242145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 443 PM EDT TUE JUN 24 1997 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL PENNSYLVANIA ...UNION COUNTY THE NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ENTERING FAR EASTERN CENTRE COUNTY. THE STORM IS MOVING TO THE SOUTHEAST...AND WILL MOVE INTO HARTLEY TOWNSHIP IN WESTERN UNION COUNTY SHORTLY AFTER 5 PM. THE COMMUNITIES OF LAURELTON CENTER... WIEKERT AND PARDEE ARE IN THE PATH OF THE STORM. IF YOU ARE, CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. JUNG
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 Jun 24, 2:33 PM EDT, 2 hours 10 minutes earlier.
Area forecast discussion, Jun 24, 2:33 PM EDT, 2 hours 10 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 230 PM EDT TUE JUN 24 1997 ***SUGGESTIONS*** .PIT...TONIGHT...WUD LIMIT MENTION OF TSRA TO EVENING HOURS RATHER THAN ENTIRE NIGHT FOR NW MTNS. WEDNESDAY...HI TEMPS FM NR 90 NW MTNS TO M90S IN THE VALLEYS OF SC MTNS. .PHL...NONE. ***DISCUSSION*** 17Z SFC OBS INDICATE WARM FRT HAS MADE IT INTO NE PA. EARLIER MCS...ASSOCIATED WITH WAA MAX N OF FRNT...HAS PUSHED E OF CWA. MEANWHILE...CU HAVE DEVELOPED IN HUMID/UNSTABLE AIRMASS ACROSS W PA. A FEW PULSE TYPE STORMS HAVE FORMED OVER N MTNS. JUDGING BY SATELLITE TRENDS AND MODEL INSTABILITIES...WUD CARRY CHC POPS THIS EVENING FOR JUST N MTNS. MODEL SOUNDINGS AS WELL AS PIT VWP SHOWING WEAK SHEAR...LIKELY SUPPORTING NON SEVERE BUT SLOW MOVING STORMS. TONIGHT...AFTER SCT EVENING TSRA OVER NW...IT LOOKS MCLR AND DRY OVERNIGHT AS UPPER LVL RIDGE AXIS BUILDS OVR PA. WEDNESDAY...H85 HGHT/TEMPS INDICATE A WARMER DAY THAN TDY BY SEVERAL DEGREES WITH THE HELP OF PLENTY OF HAZY SUNSHINE. EVEN NW MTNS SHOULD EXCEED 90 DEGREES WITH SOME SPOTS OVER LOWER SUSQ APPROACHING THE CENTURY MARK. FORCING LOOKS WEAK BUT WITH CAPES BTWN 1000 AND 2000 (FM 12Z ETA) WUD MENTION OF 30 POPS FOR AFTN CONVECTION. FITZGERALD
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 2:57 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 63 min |
| Jun 24, 3:57 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 63 min |
| Jun 24, 4:38 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 32 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1997Every severe thunderstorm warning in 1997
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.