Alert archive / Pennsylvania / Flash Flood Warnings in 1996
Flash Flood Warning 80, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jun 19, 1996, 1:30 AM EDT for York County, Pennsylvania. It was in force for 4 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 19, 1996, 1:30 AM EDT (05:30 UTC)
- Expired
- Jun 19, 1996, 5:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County York County, PA
The radar
The Sterling radar (KLWX), 124 km from the middle of the area, began a volume at 05:34 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.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 5.5 hours before the alert went out and 122 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
- 512 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 190528 FFWCTP PAC133-190900- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 130 AM EDT WED JUN 19 1996 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 500 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...YORK COUNTY AT 130 AM...DOPPLER WEATHER RADAR SHOWED A CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN MOVING ACROSS YORK COUNTY. THE CONEWAGO CREEK HAS RISEN SHARPLY SINCE MIDNIGHT AND FLOODING IS LIKELY IN WASHINGTON... DOVER... PARADISE AND WARRINGTON TOWNSHIPS ALONG THIS CREEK. MORE HEAVY RAIN IS MOVING EAST OUT OF FRANKLIN COUNTY INTO YORK COUNTY. HEAVY RAIN WILL CONTINUE THROUGH 300 AM ACROSS YORK COUNTY...AND ADDITIONAL FLOODING ACROSS OTHER PORTIONS OF THE COUNTY IS POSSIBLE OVERNIGHT. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE 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 18, 8:13 PM EDT, 5 hours 17 minutes earlier.
Area forecast discussion, Jun 18, 8:13 PM EDT, 5 hours 17 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 810 PM EDT TUE JUN 18 1996 CURRENT FCST LOOK OK...ALONG WITH CURRENT WATCHES...NO CORE DUMPERS LIKE LAST NIGHT HOWEVER. SCATTERED STORMS WILL CONTINUE FOR AWHILE...BUT SHOULD DIE DOWN LATER. LOOKS LIKE SYSTEM MOVING A LITTLE FASTER NOW...THAN MODELS SHOWED SUNDAY NIGHT...THUS MAY GET MOST OF THE REAL HEAVY RAIN EAST OF OUR AREA BY WED AFT...BUT THEN MORE IN THE CHC OF SVR...ALTHOUGH MID LEVEL FLOW NOT REAL STRONG. GUESS SE STORM IS FCST NOT TO INTERACT WITH CUTOFF...BUT HAVE TO WATCH. MARTIN
In the hours before
Special weather statement, Jun 18, 8:24 PM EDT, 5 hours 6 minutes before
PAZ004>006-010>012-017>019-024>028-033>036-037-041-042-045-046- 049>053-056>059-063>066-190100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 825 PM EDT TUE JUN 18 1996 THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR PORTIONS OF CENTRAL PENNSYLVANIA IS NO LONGER IN EFFECT. THE WATCH THAT INCLUDED CAMERON...CENTRE...CLINTON...CLEARFIELD ...CAMBRIA...ELK AND SOMERSET COUNTIES IS NO LONGER IN EFFECT. THE THREAT OF SE"VERE WEATHER HAS ENDED...BUT SOME STORMS MAY STILL PRODUCE VERY HEAVY RAIN OVERNIGHT. MARTIN
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:07 PM EDT | Flash Flood Warning | CTP | Franklin | 3 hr |
| Jun 18, 8:28 PM EDT | Flash Flood Warning | CTP | Blair | 3 hr |
| Jun 18, 8:36 PM EDT | Flash Flood Warning | CTP | Fulton, Huntingdon | 3 hr |
| Jun 18, 9:44 PM EDT | Flash Flood Warning | CTP | Somerset | 3 hr |
| Jun 18, 9:49 PM EDT | Flash Flood Warning | CTP | Adams | 4 hr |
| Jun 18, 9:57 PM EDT | Flash Flood Warning | CTP | Fulton | 3 hr |
| Jun 18, 10:55 PM EDT | Flash Flood Warning | CTP | Franklin, Huntingdon | 3 hr |
| Jun 18, 10:55 PM EDT | Flash Flood Warning | CTP | Bedford | 3 hr |
| Jun 19, 1:00 AM EDT | Flash Flood Warning | CTP | Bedford, Fulton, Huntingdon | 4 hr |
| Jun 19, 1:00 AM EDT | Flash Flood Warning | CTP | Adams, Franklin | 4 hr |
| Jun 19, 4:50 AM EDT | Flash Flood Warning | CTP | Adams, Franklin, York | 6 hr |
| Jun 19, 8:55 AM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Jun 19, 2:35 PM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Jun 19, 5:15 PM EDT | Flash Flood Warning | CTP | Bedford, Franklin, Fulton | 4 hr |
| Jun 19, 5:15 PM EDT | Flash Flood Warning | CTP | Somerset | 4 hr |
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; radar from the NEXRAD Level II archive.