Alert archive / Pennsylvania / Flash Flood Warnings in 2015

Flash Flood Warning 2, NWS State College, PA

May 31, 2015Schuylkill County, Pennsylvania

NWS State College, PA issued this flash flood warning at May 31, 2015, 6:31 PM EDT for Schuylkill County, Pennsylvania. It was in force for 3 hr. 2 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: May 31, 2015, 6:31 PM EDT (22:31 UTC)
Expired: May 31, 2015, 9:30 PM EDT
In force: 3 hr
Issued by: NWS State College, PA
Area: Storm-based polygon
Flood severity: None

County Schuylkill County, PA

The radar

The State College radar (KCCX), 151 km from the middle of the area, began a volume at 22:32 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

Time	Report	Where	Remark
May 31, 6:58 PM EDT	FLASH FLOOD	Schuylkill Haven, PA	SEVERAL HOMES FOODED ON CENTER AVE. AND BANK FLOODED.
May 31, 7:04 PM EDT	FLASH FLOOD	Pottsville, PA	BUSINESSES AND HOMES FLOODED ON PROGRESS AVE.

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 217 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 42 J/kg
Mixed-layer CIN: -162 J/kg
Mixed-layer LCL: 1212 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

247 
WGUS51 KCTP 312231
FFWCTP
PAC107-010130-
/O.NEW.KCTP.FF.W.0002.150531T2231Z-150601T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
631 PM EDT SUN MAY 31 2015

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL SCHUYLKILL COUNTY IN CENTRAL PENNSYLVANIA...

* UNTIL 930 PM EDT
    
* AT 630 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN NEAR POTTSVILLE. FLASH FLOODING IS EXPECTED TO BEGIN 
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MINERSVILLE...POTTSVILLE...SCHUYLKILL HAVEN...ST. CLAIR...BEURYS
  LAKE...BRANCHDALE...BUCK RUN...DONALDSON...FORRESTVILLE...
  FRIEDENSBURG...HECKSCHERVILLE...MARLIN...NEW PHILADELPHIA...
  ORWIGSBURG...PINE GROVE...PORT CARBON...RENNINGERS...SELTZER...
  TREMONT AND CRESSONA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4078 7613 4063 7610 4052 7642 4071 7641

$$

CR

1 follow-up statement

280 
WGUS71 KCTP 312342
FFSCTP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
742 PM EDT SUN MAY 31 2015

PAC107-010130-
/O.CON.KCTP.FF.W.0002.000000T0000Z-150601T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SCHUYLKILL PA-
742 PM EDT SUN MAY 31 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR
SOUTH CENTRAL SCHUYLKILL COUNTY...

AT 740 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
HEAVY RAIN ACROSS THE WARNED AREA...THOUGH COVERAGE AND INTENSITIES 
ARE DECREASING. 

FLASH FLOODING HAS BEEN REPORTED IN POTTSVILLE AND SCHUYLKILL HAVEN 
WHERE SEVERAL HOMES HAVE BEEN REPORTED TO BE FLOODED.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE... 
MINERSVILLE...POTTSVILLE...SCHUYLKILL HAVEN...ST. CLAIR...BEURYS 
LAKE...BRANCHDALE...BUCK RUN...DONALDSON...FORRESTVILLE... 
FRIEDENSBURG...HECKSCHERVILLE...MARLIN...NEW PHILADELPHIA... 
ORWIGSBURG...PINE GROVE...PORT CARBON...RENNINGERS...SELTZER... 
TREMONT AND CRESSONA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4078 7613 4063 7610 4052 7642 4071 7641

$$

CR

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 9:32 PM EDT	Special Weather Statement	CTP	Warren	58 min
May 31, 11:22 AM EDT	Special Weather Statement	CTP	McKean, Warren	23 min
May 31, 11:43 AM EDT	Severe Thunderstorm Warning	CTP	Elk	47 min
May 31, 12:30 PM EDT	Special Weather Statement	CTP	Elk	45 min
May 31, 1:04 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	56 min
May 31, 1:39 PM EDT	Special Weather Statement	CTP	Elk	21 min
May 31, 2:10 PM EDT	Special Weather Statement	CTP	Union	20 min
May 31, 2:17 PM EDT	Severe Thunderstorm Warning	CTP	Northumberland, Union	55 min
May 31, 2:30 PM EDT	Special Weather Statement	CTP	Centre	15 min
May 31, 2:41 PM EDT	Areal Flood Advisory	CTP	Centre, Clinton	2 hr
May 31, 3:02 PM EDT	Special Weather Statement	CTP	Clearfield	13 min
May 31, 3:12 PM EDT	Severe Thunderstorm Warning	CTP	Fulton, Huntingdon	42 min
May 31, 3:25 PM EDT	Special Weather Statement	CTP	Mifflin	20 min
May 31, 3:45 PM EDT	Severe Thunderstorm Warning	CTP	Columbia	50 min
May 31, 4:01 PM EDT	Areal Flood Advisory	CTP	Lycoming, Union	119 min
May 31, 4:14 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Centre, Huntingdon	44 min
May 31, 4:25 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Snyder	35 min
May 31, 5:03 PM EDT	Special Weather Statement	CTP	Northumberland	27 min
May 31, 5:07 PM EDT	Special Weather Statement	CTP	Snyder	23 min
May 31, 5:19 PM EDT	Special Weather Statement	CTP	Adams	26 min
May 31, 5:23 PM EDT	Special Weather Statement	CTP	Juniata	22 min
May 31, 5:28 PM EDT	Special Weather Statement	CTP	Dauphin	17 min
May 31, 5:35 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon, Northumberland, Snyder, Union, York	25 min
May 31, 5:57 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon	63 min
May 31, 6:04 PM EDT	Areal Flood Advisory	CTP	Dauphin, Lebanon	116 min
May 31, 6:05 PM EDT	Special Weather Statement	CTP	Lebanon	25 min
May 31, 6:14 PM EDT	Areal Flood Advisory	CTP	Schuylkill	2 hr
May 31, 6:17 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster	17 min
May 31, 6:18 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	87 min
May 31, 6:44 PM EDT	Flash Flood Warning	CTP	Schuylkill	3 hr
May 31, 7:03 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	87 min

Nearby

Flash Flood Warnings in Pennsylvania, 2015 Every flash flood warning in 2015

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.