Alert archive / Pennsylvania / Flash Flood Warnings in 1996
Flash Flood Warning 52, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jun 12, 1996, 10:50 AM EDT for Franklin County, Pennsylvania. It was in force for 5 hr. 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 12, 1996, 10:50 AM EDT (14:50 UTC)
- Expired
- Jun 12, 1996, 4:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Franklin County, PA
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 2.8 hours before the alert went out and 148 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
- 801 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 121454 RRA FFWCTP PAC055-122000- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1050 AM EDT WED JUN 12 1996 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS EXTENDED THE FLOOD WARNING FOR STREAMS AND CREEKS UNTIL 400 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...FRANKLIN COUNTY FRANKLIN COUNTY EMERGENCY MANAGEMENT PERSONNEL CONTINUE TO REPORT SEVERACLOSED ROADS IN FRANKLIN COUNTY DUE TO FLOOD WATERS. MOST OF THE ROAD CLOSURES ARE IN ST. THOMAS AND HAMILTON TOWNSHIPS...WHERE OVER 4 INCHES OF RAIN FELL LATE LAST EVENING. EVEN THOUGH THE HEAVY RAINFALL IS LONG OVER...STREAMS AND CREEKS CONTINUTO RUN HIGH. EXPECT SOME FLOODING OF SMALL STREAMS AND CREEKS TO PERSISINTO THE AFTERNOON...WITH WATERS SLOWLY RECEEDING AS THE DAY PROGRESSES. A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST F ODEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...O LSPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM. EA SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. JUNG &
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jun 12, 9:16 AM EDT, 1 hour 34 minutes earlier.
Area forecast discussion, Jun 12, 9:16 AM EDT, 1 hour 34 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 900 AM EDT WED JUN 12 1996 WITH BASICALLY LITTLE CHANGE IN AIRMASS TODAY...EXPECT ANOTHER ROUND OF AFTERNOON SHOWERS AND THUNDERSTORMS. FORCING HAS BEEN WEAK AS OF LATE...AND CONVECTION YESTERDAY WAS MAINLY DRIVEN BY OROGRAPHICS AND WEAK BOUNDARIES. TODAY...THERE SEEMS TO BE A SHORTWAVE ROTATING AROUND THE UPPER LOW. CURRENT SATELLITE IMAGES SHOW THE DISTURBANCE MOVING OUT OF KY INTO SE OHIO ATTM. WITH THIS FEATURE APPROACHING...LIKELY RW/TRW POPS SEEM REASONABLE FOR MOST OF THE CWA AS PER CURRENT ZONES. NO PCGRIDDS AVAILABLE THIS MORNING. HOPEFULLY WILL GET A BETTER HANDLE WITH ARRIVAL OF 12Z RUNS. JU2NG
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, 9:45 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 60 min |
| 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, 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
Flash Flood Warnings in Pennsylvania, 1996Every flash flood 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.