Alert archive / Pennsylvania / Flash Flood Warnings in 2016
Flash Flood Warning 5, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 13, 2016, 8:21 PM EDT for Adams County, Pennsylvania. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 13, 2016, 8:21 PM EDT (00:21 UTC)
- Expired
- Jul 13, 2016, 11:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
County Adams County, PA
The radar
The Sterling radar (KLWX), 102 km from the middle of the area, began a volume at 00:21 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, 0.4 hours before the alert went out and 104 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
- 961 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1434 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
531
WGUS51 KCTP 140021
FFWCTP
PAC001-140315-
/O.NEW.KCTP.FF.W.0005.160714T0021Z-160714T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
821 PM EDT WED JUL 13 2016
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL ADAMS COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
* UNTIL 1115 PM EDT.
* AT 821 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN. FLASH
FLOODING IS EXPECTED TO BEGIN SHORTLY. ROCK CREEK MAY BE
ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GETTYSBURG...BONNEAUVILLE...LAKE HERITAGE...HUNTERSTOWN...
ARENDTSVILLE...MCKNIGHTSTOWN AND GETTYSBURG COLLEGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
&&
LAT...LON 3988 7734 3993 7731 3992 7721 3990 7712
3986 7707 3984 7708 3981 7712 3983 7728
$$
DEVOIR2 follow-up statements
102
WGUS71 KCTP 140114
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
914 PM EDT WED JUL 13 2016
PAC001-140315-
/O.CON.KCTP.FF.W.0005.000000T0000Z-160714T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS PA-
914 PM EDT WED JUL 13 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR
CENTRAL ADAMS COUNTY...
AT 911 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN HAD MOVED OUT OF
THE WARNING AREA. DOPPLER RADAR ESTIMATED OVER 3 INCHES OF RAIN FELL
BETWEEN GETTYSBURG AND BIGLERSVILLE BETWEEN 730 PM AND 900 PM.
RUNOFF FROM THIS HEAVY RAINFALL WILL CONTINUE THROUGH LATE THIS
EVENING, AND THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED TO
CONTINUE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GETTYSBURG...BONNEAUVILLE...LAKE HERITAGE...HUNTERSTOWN...
ARENDTSVILLE...MCKNIGHTSTOWN AND GETTYSBURG COLLEGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3988 7734 3993 7731 3992 7721 3990 7712
3986 7707 3984 7708 3981 7712 3983 7728
$$
DEVOIR941
WGUS71 KCTP 140203
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1003 PM EDT WED JUL 13 2016
PAC001-140212-
/O.CAN.KCTP.FF.W.0005.000000T0000Z-160714T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS PA-
1003 PM EDT WED JUL 13 2016
...THE FLASH FLOOD WARNING FOR CENTRAL ADAMS COUNTY IS CANCELLED...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. RUNOFF WILL CONTINUE THROUGH LATE EVENING, SO BE ALERT FOR
MINOR AREAS OF DRAINAGE ACROSS ROADWAYS.
LAT...LON 3988 7734 3993 7731 3992 7721 3990 7712
3986 7707 3984 7708 3981 7712 3983 7728
$$
DEVOIRThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 8:05 PM EDT | Areal Flood Advisory | CTP | Adams | 3 hr |
| Jul 13, 10:01 PM EDT | Special Weather Statement | CTP | Franklin | 44 min |
| Jul 13, 10:46 PM EDT | Areal Flood Advisory | CTP | Franklin | 3 hr |
| Jul 14, 12:03 AM EDT | Special Weather Statement | CTP | Warren | 42 min |
| Jul 14, 12:42 AM EDT | Special Weather Statement | CTP | Warren | 48 min |
| Jul 14, 12:07 PM EDT | Special Weather Statement | CTP | Columbia, Northumberland | 53 min |
| Jul 14, 12:52 PM EDT | Special Weather Statement | CTP | Schuylkill | 38 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.