Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 90, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 11, 1996, 9:45 PM EDT for Franklin County, Pennsylvania. It was in force for 60 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 11, 1996, 9:45 PM EDT (01:45 UTC)
- Expired
- Jun 11, 1996, 10:45 PM EDT
- In force
- 60 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Franklin County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 1.8 hours before the alert went out and 112 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
- 1284 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 873 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 11, 8:13 PM EDT, 1 hour 32 minutes earlier.
Area forecast discussion, Jun 11, 8:13 PM EDT, 1 hour 32 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 815 PM EDT TUE JUN 11 1996 ACTIVE WX EVENING..... SHRTWV/WEAK SFC LOW ACROSS NW PA WITH CONVERGENT BNDRY EXTENDING INTO W-CENTRAL PA ATTM. RADAR TIME LAPSE INDICATES THIS AREA GRADUALLY WEAKENING WITH TIME. EARLIER...RADAR DETECTED A STRONGLY ROTATING CELL OVER BEDFORD CNTY WITH GATE-TO-GATE SHEAR AT 40 KTS! NO REPORTS OF DAMAGE YET FOR THIS CNTY. MESOETA FCST 8H JET TO SLIDE INTO E PA LATER TONIGHT AND WEAKEN. LACK OF TRIGGER ACROSS CENTRAL PA SHOULD ALLOW CONVECTION TO DIE OFF BY MIDNIGHT. FOR WEDNESDAY.... VERTICALLY STACKED LOW LIFTS NE AND FILLS... BUT...CONVECTION SHOULD ONCE AGAIN FIRE-UP ACRO&SS CWA. EXPECT TRW TO POP UP QUICKLY AS TEMPS AT 5H COOL SEVERAL DEG FROM TODAY. WINTHER
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:38 PM EDT | Flash Flood Warning | CTP | Franklin | 3 hr |
| Jun 11, 10:10 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland | 65 min |
| Jun 11, 11:40 PM EDT | Flash Flood Warning | CTP | Franklin | 5 hr |
| Jun 12, 5:00 AM EDT | Flash Flood Warning | CTP | Franklin | 6 hr |
| Jun 12, 10:50 AM EDT | Flash Flood Warning | CTP | Franklin | 5 hr |
| Jun 12, 1:56 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 64 min |
| Jun 12, 4:13 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 62 min |
| Jun 12, 4:28 PM EDT | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Jun 12, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 66 min |
| Jun 12, 4:48 PM EDT | Flash Flood Warning | CTP | Cumberland | 3 hr |
| Jun 12, 5:21 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 69 min |
| Jun 12, 5:39 PM EDT | Flash Flood Warning | CTP | Juniata, Mifflin | 66 min |
| Jun 12, 5:39 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 66 min |
| Jun 12, 6:23 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 67 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; the sounding from the Mesonet's radiosonde archive.