Alert archive / Pennsylvania / Flash Flood Warnings in 2016
Flash Flood Warning 4, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 13, 2016, 6:31 PM EDT for Lancaster County, Pennsylvania. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 13, 2016, 6:31 PM EDT (22:31 UTC)
- Expired
- Jul 13, 2016, 9:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
County Lancaster County, PA
The radar
The Dover AFB radar (KDOX), 150 km from the middle of the area, began a volume at 22:34 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 13, 8:15 PM EDT | FLASH FLOOD | 1 Se Smoketown, PA | SMALL STREAMS OUT OF BANKS. 3 SINKHOLES CLOSED PORTION OF RTE 30 WEST OF RTE 30 AND RTE 896 JUNCTION. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.5 hours before the alert went out and 153 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
- 19 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
515
WGUS51 KCTP 132231
FFWCTP
PAC071-140130-
/O.NEW.KCTP.FF.W.0004.160713T2231Z-160714T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
631 PM EDT WED JUL 13 2016
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL LANCASTER COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
* UNTIL 930 PM EDT.
* AT 630 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED HEAVY
RAIN ACROSS THE WARNED AREA. OVER THREE INCHES OF RAIN HAVE
ALREADY FALLEN IN THE PAST THREE HOURS. FLASH FLOODING IS ALREADY
OCCURRING ALONG ROUTE 30 NEAR DUTCH WONDERLAND.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WILLOW STREET...LANCASTER...MILLERSVILLE...SMOKETOWN...LAMPETER...
BIRD-IN-HAND AND DUTCH WONDERLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3999 7633 4003 7635 4005 7619 4001 7618
3999 7624
$$
DEVOIR1 follow-up statement
010
WGUS71 KCTP 132331
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
731 PM EDT WED JUL 13 2016
PAC071-140130-
/O.CON.KCTP.FF.W.0004.000000T0000Z-160714T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LANCASTER PA-
731 PM EDT WED JUL 13 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR
CENTRAL LANCASTER COUNTY...
AT 727 PM EDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING WAS
BEGINNING TO RECEDE...AS HEAVY RAINFALL ENDS ACROSS THE AREA.
LOCALLY THREE INCHES OR MORE OF RAIN FELL SOUTH OF LANCASTER,
PRODUCING STREET FLOODING AND ROAD CLOSURES. RUNOFF WILL CONTINUE
THROUGH MID EVENING...THEREFORE THE FLASH FLOOD WARNING WILL REMAIN
IN EFFECT DESPITE DIMINISHING RAINFALL. DO NOT DRIVE THROUGH AREAS
WHERE WATER COVERS THE ROAD!
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WILLOW STREET...LANCASTER...MILLERSVILLE...SMOKETOWN...LAMPETER...
BIRD-IN-HAND AND DUTCH WONDERLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3999 7633 4003 7635 4005 7619 4001 7618
3999 7624
$$
DEVOIRThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 4:34 PM EDT | Special Weather Statement | CTP | Tioga | 56 min |
| Jul 13, 4:56 PM EDT | Special Weather Statement | CTP | Perry | 34 min |
| Jul 13, 5:05 PM EDT | Special Weather Statement | CTP | Lancaster | 55 min |
| Jul 13, 5:52 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2016Every flash flood warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.