Alert archive / Pennsylvania / Flash Flood Warnings in 2015

Flash Flood Warning 7, NWS State College, PA

June 20, 2015Bedford County, Blair County, Cambria County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jun 20, 2015, 7:05 PM EDT for Bedford County, Blair County, Cambria 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: Jun 20, 2015, 7:05 PM EDT (23:05 UTC)
Expired: Jun 20, 2015, 10:00 PM EDT
In force: 3 hr
Issued by: NWS State College, PA
Area: Storm-based polygon
Flood severity: None

Counties Bedford County, PA, Blair County, PA, Cambria County, PA

The radar

The State College radar (KCCX), 93 km from the middle of the area, began a volume at 23:05 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
Jun 20, 7:50 PM EDT	FLASH FLOOD	4 Sw Altoona, PA	MUDSLIDE ON SUGAR RUN ROAD

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, 11.1 hours before the alert went out and 125 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: 53 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 926 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 95 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.

896 
WGUS51 KCTP 202305
FFWCTP
PAC009-013-021-210200-
/O.NEW.KCTP.FF.W.0007.150620T2305Z-150621T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
705 PM EDT SAT JUN 20 2015

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN BEDFORD COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
  CENTRAL BLAIR COUNTY IN CENTRAL PENNSYLVANIA...
  EASTERN CAMBRIA COUNTY IN CENTRAL PENNSYLVANIA...

* UNTIL 1000 PM EDT
    
* AT 703 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
  HEAVY RAIN OVER PORTIONS OF EASTERN CAMBRIA....WESTERN BLAIR...AND 
  NORTHERN BEDFORD COUNTIES. THESE AREAS HAVE RECEIVED BETWEEN 1 AND 
  2 INCHES OF RAIN IN THE LAST HOUR OR SO. ADDITIONAL HEAVY RAIN IN 
  THIS AREA WILL PRODUCE FLASH FLOODING SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ALTOONA...HOLLIDAYSBURG...PORTAGE...TYRONE...BEAVERDALE-LLOYDELL...
  BELLWOOD...BLANDBURG...BLUE KNOB STATE PARK...CLAYSBURG...
  CRESSON...DUNCANSVILLE...DUNLO...GALLITZIN...HORSESHOE CURVE...
  LAKEMONT...LILLY...OSTERBURG...PRINCE GALLITZIN STATE PARK...QUEEN
  AND ROARING SPRING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

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

&&

LAT...LON 4003 7876 4006 7876 4008 7873 4023 7866
      4024 7866 4024 7875 4025 7875 4072 7851
      4074 7820 4002 7857

$$

JUNG

1 follow-up statement

375 
WGUS71 KCTP 210120
FFSCTP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
920 PM EDT SAT JUN 20 2015

PAC009-013-021-210130-
/O.CAN.KCTP.FF.W.0007.000000T0000Z-150621T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEDFORD PA-BLAIR PA-CAMBRIA PA-
920 PM EDT SAT JUN 20 2015

...THE FLASH FLOOD WARNING FOR NORTHWESTERN BEDFORD...CENTRAL BLAIR
AND EASTERN CAMBRIA COUNTIES IS CANCELLED...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.

LAT...LON 4003 7876 4006 7876 4008 7873 4023 7866
      4024 7866 4024 7875 4025 7875 4072 7851
      4074 7820 4002 7857

$$

CR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 4:05 PM EDT	Special Weather Statement	CTP	Somerset	70 min
Jun 20, 4:16 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	74 min
Jun 20, 5:06 PM EDT	Areal Flood Advisory	CTP	Somerset	3 hr
Jun 20, 5:16 PM EDT	Severe Thunderstorm Warning	CTP	Cambria, Somerset	74 min
Jun 20, 5:52 PM EDT	Special Weather Statement	CTP	Bedford	23 min
Jun 20, 6:10 PM EDT	Areal Flood Advisory	CTP	Cambria	3 hr
Jun 20, 6:19 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield	56 min
Jun 20, 6:28 PM EDT	Special Weather Statement	CTP	Bedford	32 min
Jun 20, 6:31 PM EDT	Special Weather Statement	CTP	Blair	44 min
Jun 20, 6:35 PM EDT	Special Weather Statement	CTP	Dauphin	40 min
Jun 20, 6:52 PM EDT	Special Weather Statement	CTP	Cumberland	38 min
Jun 20, 6:54 PM EDT	Flash Flood Warning	CTP	Cambria	3 hr
Jun 20, 7:12 PM EDT	Areal Flood Advisory	CTP	Centre, Clearfield	3 hr
Jun 20, 7:17 PM EDT	Special Weather Statement	CTP	Blair, Clearfield	28 min
Jun 20, 7:19 PM EDT	Areal Flood Advisory	CTP	Bedford, Cumberland, Franklin, Fulton, Huntingdon, Perry	3 hr
Jun 20, 7:24 PM EDT	Special Weather Statement	CTP	Franklin	36 min
Jun 20, 7:28 PM EDT	Flash Flood Warning	CTP	Dauphin, Lebanon	3 hr
Jun 20, 7:30 PM EDT	Special Weather Statement	CTP	Cumberland, Dauphin, Franklin, Perry	30 min
Jun 20, 7:46 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	59 min
Jun 20, 7:47 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	43 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.