Flash Flood Warning 67, NWS Philadelphia/Mount Holly

Issued

Sep 2, 2013, 12:37 PM EDT (16:37 UTC)

Expired

Sep 2, 2013, 3:30 PM EDT

In force

3 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

County Delaware County, PA

The Philadelphia radar (KDIX), 85 km from the middle of the area, began a volume at 16:38 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.

530 
WGUS51 KPHI 021637
FFWPHI
PAC045-021930-
/O.NEW.KPHI.FF.W.0067.130902T1637Z-130902T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1237 PM EDT MON SEP 2 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DELAWARE COUNTY...

* UNTIL 330 PM EDT...

* AT 1230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED VERY HEAVY RAIN FROM SHOWERS AND THUNDERSTORMS OVER      
  DELAWARE COUNTY. THERE HAS BEEN SIGNIFICANT ROADWAY FLOODING       
  REPORTED AND ALSO SEVERAL WATER RESCUES. 

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES IN A SHORT AMOUNT OF 
TIME IS EXPECTED IN THE WARNED AREA. THIS WILL RESULT IN QUICK 
FLOODING OF ROADWAYS AND IN AREAS OF POOR DRAINAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN 
AUTOMOBILE. FIND AN ALTERNATE ROUTE.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 3994 7554 3998 7544 3999 7545 4002 7541
      4005 7540 4006 7537 3996 7525 3994 7524
      3988 7526 3987 7521 3985 7534 3980 7541
      3983 7548 3984 7560 3988 7560

$$

FORECASTER: GORSE

320 
WGUS71 KPHI 021725
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
125 PM EDT MON SEP 2 2013

PAC045-021930-
/O.CON.KPHI.FF.W.0067.000000T0000Z-130902T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DELAWARE PA-
125 PM EDT MON SEP 2 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR
DELAWARE COUNTY...

AT 120 PM EDT...FLOODING CONTINUES TO BE REPORTED IN SEVERAL 
LOCATIONS IN DELAWARE COUNTY. THIS INCLUDES SEVERAL CARS STUCK IN 
FLOOD WATERS.

SOME ADDITIONAL SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE INTO THE 
AREA, AND WILL BE CAPABLE OF PRODUCING AN INCH OF RAIN WITHIN AN 
HOURS TIMES. ANY ADDITIONAL RAINFALL WILL ENHANCE THE ONGOING 
FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. IN ENCOUNTERING A FLOODED ROAD, FIND ANOTHER ROUTE.

&&

LAT...LON 3994 7554 3998 7544 3999 7545 4002 7541
      4005 7540 4006 7537 3996 7525 3994 7524
      3988 7526 3987 7521 3985 7534 3980 7541
      3983 7548 3984 7560 3988 7560

$$

FORECASTER: GORSE

556 
WGUS71 KPHI 021923
FFSPHI

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
323 PM EDT MON SEP 2 2013

PAC045-021933-
/O.EXP.KPHI.FF.W.0067.000000T0000Z-130902T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DELAWARE PA-
323 PM EDT MON SEP 2 2013

...THE FLASH FLOOD WARNING WILL EXPIRE AT 330 PM EDT FOR DELAWARE
COUNTY...

THE WATERS FROM THE EARLIER HEAVY RAIN CONTINUES TO RECEDE AND NO 
LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH FLOOD
WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3994 7554 3998 7544 3999 7545 4002 7541
      4005 7540 4006 7537 3996 7525 3994 7524
      3988 7526 3987 7521 3985 7534 3980 7541
      3983 7548 3984 7560 3988 7560

$$

FORECASTER: GORSE

Flash Flood Warnings in Pennsylvania, 2013Every flash flood warning in 2013

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.