Alert archive / Pennsylvania / Flash Flood Warnings in 2016

Flash Flood Warning 2, NWS State College, PA

June 4, 2016Bedford County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jun 4, 2016, 7:31 PM EDT for Bedford County, Pennsylvania. It was in force for 3 hr. 3 reports 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
Jun 4, 2016, 7:31 PM EDT (23:31 UTC)
Expired
Jun 4, 2016, 10:30 PM EDT
In force
3 hr
Issued by
NWS State College, PA
Area
Storm-based polygon
Flood severity
None

County Bedford County, PA

The radar

The State College radar (KCCX), 136 km from the middle of the area, began a volume at 23:32 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

TimeReportWhereRemark
Jun 4, 8:07 PM EDTFLASH FLOODHyndman, PASTREAMS OUT OF BANKS
Jun 4, 9:00 PM EDTFLASH FLOOD4 S Rainsburg, PABLACK VALLEY ROAD CLOSED WITH 18 INCHES OF WATER ON ROAD
Jun 4, 9:05 PM EDTFLASH FLOOD2 Nne Lake Gordon, PAMUDSLIDE...EST 3 INCHES OF RAIN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 11.5 hours before the alert went out and 140 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2016-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2016-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1667 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

805 
WGUS51 KCTP 042331
FFWCTP
PAC009-050230-
/O.NEW.KCTP.FF.W.0002.160604T2331Z-160605T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
731 PM EDT SAT JUN 4 2016

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN BEDFORD COUNTY IN SOUTH CENTRAL PENNSYLVANIA...

* UNTIL 1030 PM EDT

* AT 725 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES 1 TO 2 INCHES
  OF RAIN HAVE ALREADY FALLEN IN PARTS OF SOUTHERN BEDFORD COUNTY.
  ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 MORE INCHES ARE LIKELY IN
  OVER THE NEXT HOUR OR SO. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAKE GORDON AND HYNDMAN.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3973 7881 3982 7876 3996 7876 3988 7833
      3972 7847

$$

RXR
2 follow-up statements
162 
WGUS71 KCTP 050125
FFSCTP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
925 PM EDT SAT JUN 4 2016

PAC009-050230-
/O.CON.KCTP.FF.W.0002.000000T0000Z-160605T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEDFORD PA-
925 PM EDT SAT JUN 4 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR
SOUTHERN BEDFORD COUNTY...

AT 921 PM EDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING IN
SOUTHERN BEDFORD COUNTY. UP TO THREE INCHES OF RAIN HAVE ALREADY
FALLEN. 

THE RAIN IS OFF TO THE EAST OF THE AREA NOW. THE WATER MAY STILL BE
RISING AND ADDITIONAL LOCATIONS MAY FLOOD. HOWEVER...WITH NO
ADDITIONAL RAIN EXPECTED FOR A FEW HOURS...THE WATER SHOULD START TO
RECEDE IN THE NEXT HOUR. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LAKE GORDON...LAKE KOON...RAINSBURG AND HYNDMAN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

&&

LAT...LON 3973 7881 3982 7876 3996 7876 3988 7833
      3972 7847

$$

DANGELO
126 
WGUS71 KCTP 050230
FFSCTP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1030 PM EDT SAT JUN 4 2016

PAC009-050239-
/O.EXP.KCTP.FF.W.0002.000000T0000Z-160605T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEDFORD PA-
1030 PM EDT SAT JUN 4 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN BEDFORD COUNTY WILL
EXPIRE AT 1030 PM EDT...

THE HEAVY RAIN HAS ENDED. ONLY SPOTTY LIGHT RAIN IS EXPECTED
OVERNIGHT. SO, THE FLOOD WATERS WILL START TO RECEDE IN THE NEXT
HOUR OR TWO. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3973 7881 3982 7876 3996 7876 3988 7833
      3972 7847

$$

DANGELO

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 3:32 PM EDTSpecial Weather StatementCTPBedford28 min
Jun 4, 4:06 PM EDTSpecial Weather StatementCTPFulton24 min
Jun 4, 5:26 PM EDTSpecial Weather StatementCTPBedford34 min
Jun 4, 6:03 PM EDTSpecial Weather StatementCTPSomerset42 min
Jun 4, 6:34 PM EDTAreal Flood AdvisoryCTPBedford, Fulton, Somerset3 hr
Jun 4, 6:47 PM EDTSpecial Weather StatementCTPSomerset43 min
Jun 4, 6:52 PM EDTTornado WarningCTPBedford, Somerset23 min
Jun 4, 7:16 PM EDTSevere Thunderstorm WarningCTPBedford29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.