Areal Flood Warning 77, NWS Philadelphia/Mount Holly

Issued

Sep 7, 2011, 7:21 PM EDT (23:21 UTC)

Expired

Sep 8, 2011, 9:15 AM EDT

In force

14 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

Counties Berks County, PA, Chester County, PA

The Philadelphia radar (KDIX), 118 km from the middle of the area, began a volume at 23:23 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.

681 
WGUS41 KPHI 072321
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
721 PM EDT WED SEP 7 2011

PAC011-029-080515-
/O.NEW.KPHI.FA.W.0077.110907T2321Z-110908T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHESTER PA-BERKS PA-
721 PM EDT WED SEP 7 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
  CHESTER COUNTY IN SOUTHEAST PENNSYLVANIA...
  SOUTH CENTRAL BERKS COUNTY IN EASTERN PENNSYLVANIA...

* UNTIL 115 AM EDT

* AT 717 PM EDT...SMALL STREAM FLOODING IS OCCURRING ACROSS PORTIONS
  OF THE WARNED AREA. THE WATER LEVEL AT MANATAWNY CREEK AT 
  SPANGVILLE WAS 6.1 FEET...AND IT WAS RISING. FLOOD STAGE IS 6.0 
  FEET.

* THE WATER LEVEL AT FRENCH CREEK AT HONEY BROOK WAS 10.4 FEET AND 
  RISING. FLOOD STAGE IS 8.0 FEET.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOVE TO HIGHER GROUND.

&&

LAT...LON 4041 7573 4030 7565 4025 7569 4026 7566
      4022 7560 4020 7559 4020 7557 4002 7544
      3982 7584 3991 7595 3997 7596 4002 7591
      4012 7593 4014 7590 4017 7594 4037 7599

$$

HAYES

572 
WGUS41 KPHI 080507
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
107 AM EDT THU SEP 8 2011

PAC011-029-081315-
/O.EXT.KPHI.FA.W.0077.000000T0000Z-110908T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHESTER PA-BERKS PA-
107 AM EDT THU SEP 8 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
  CHESTER COUNTY IN SOUTHEAST PENNSYLVANIA...
  SOUTH CENTRAL BERKS COUNTY IN EASTERN PENNSYLVANIA...

* UNTIL 915 AM EDT

* AT 100 AM EDT...SMALL STREAM FLOODING WAS OCCURRING ACROSS         
  PORTIONS OF THE WARNED AREA. THE WATER LEVEL AT MANATAWNY CREEK    
  AT SPANGVILLE WAS 6.8 FEET...AND IT WAS FALLING. FLOOD STAGE IS    
  6.0 FEET.

* THE WATER LEVEL ALONG FRENCH CREEK AT PHOENISVILLE WAS 9.2 FEET    
  AND RISING. FLOOD STAGE IS 8 FEET. 

ADDITIONAL RAIN IS EXPECTED DURING THE OVERNIGHT HOURS WHICH WILL 
NOT HELP THE FLOODING SITUATION.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS IMMEDIATELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. MOVE TO HIGHER GROUND.

&&

LAT...LON 4041 7573 4030 7565 4025 7569 4026 7566
      4022 7560 4020 7559 4020 7557 4002 7544
      3982 7584 3991 7595 3997 7596 4002 7591
      4012 7593 4014 7590 4017 7594 4037 7599

$$

JJM

Areal Flood Warnings in Pennsylvania, 2011Every areal flood warning in 2011

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.