Areal Flood Warning 75, NWS Philadelphia/Mount Holly

Issued

Sep 6, 2011, 10:31 PM EDT (02:31 UTC)

Expired

Sep 7, 2011, 1:48 PM EDT

In force

15 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

None

Counties Berks County, PA, Lehigh County, PA

The Philadelphia radar (KDIX), 134 km from the middle of the area, began a volume at 02:31 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.

971 
WGUS41 KPHI 070231
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1031 PM EDT TUE SEP 6 2011

PAC011-077-071230-
/O.NEW.KPHI.FA.W.0075.110907T0231Z-110907T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERKS PA-LEHIGH PA-
1031 PM EDT TUE SEP 6 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
  BERKS COUNTY IN EASTERN PENNSYLVANIA...
  LEHIGH COUNTY IN EASTERN PENNSYLVANIA...

* UNTIL 830 AM EDT WEDNESDAY

* AT 1029 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED    
  HEAVY RAIN OVER PORTIONS OF THE WARNED AREA. THIS RAIN...IN        
  COMBINATION WITH THE ALREADY WET GROUND FROM EARLIER RAIN...AND    
  WITH MORE RAIN ON THE WAY...WILL CAUSE SMALL STREAM FLOODING AND   
  FLOODING OF POOR DRAINAGE AREAS DURING THE OVERNIGHT HOURS.

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...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. DO NOT 
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4054 7618 4060 7605 4059 7603 4064 7600
      4079 7563 4074 7560 4073 7553 4065 7549
      4066 7543 4061 7539 4058 7541 4054 7535
      4042 7549 4044 7553 4024 7570 4014 7589
      4049 7644 4050 7644

$$

JJM

539 
WGUS41 KPHI 071213
FLWPHI

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

PAC011-077-072030-
/O.EXT.KPHI.FA.W.0075.000000T0000Z-110907T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERKS PA-LEHIGH PA-
813 AM EDT WED SEP 7 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
  BERKS COUNTY IN EASTERN PENNSYLVANIA...
  LEHIGH COUNTY IN EASTERN PENNSYLVANIA...

* UNTIL 430 PM EDT WEDNESDAY

* AT 811 AM EDT...SMALL STREAM FLOODING CONTINUED ACROSS PORTIONS OF 
THE WARNED AREA. THE WATER LEVEL ON THE MANATAWNY CREEK AT 
SPANGVILLE WAS AT 6.19 AND WAS RISING. FLOOD STAGE IS 6.00 FEET. THE 
WATER LEVEL ON THE LITTLE LEHIGH IN ALLENTOWN WAS 6.32 AND WAS ALSO 
RISING. FLOOD STAGE IS 6.0 FEET.

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 4054 7618 4060 7605 4059 7603 4064 7600
      4079 7563 4074 7560 4073 7553 4065 7549
      4066 7543 4061 7539 4058 7541 4054 7535
      4042 7549 4044 7553 4024 7570 4014 7589
      4049 7644 4050 7644

$$

KRUZDLO

684 
WGUS81 KPHI 071748
FLSPHI

FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
148 PM EDT WED SEP 7 2011

PAC011-077-071755-
/O.CAN.KPHI.FA.W.0075.000000T0000Z-110907T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BERKS PA-LEHIGH PA-
148 PM EDT WED SEP 7 2011

...THE FLOOD WARNING HAS BEEN CANCELLED FOR URBAN AREAS AND SMALL
STREAMS IN LEHIGH AND BERKS COUNTIES...

WATER LEVELS ON THE MANATAWNY CREEK AND THE LITTLE LEHIGH HAVE 
RECEDED AND ARE NOW BELOW FLOOD STAGE.

MORE RAIN IS POSSIBLE LATER THIS AFTERNOON. ADDITIONAL RISES ON 
CREEKS AND STREAMS ARE POSSIBLE. 


LAT...LON 4054 7618 4060 7605 4059 7603 4064 7600
      4079 7563 4074 7560 4073 7553 4065 7549
      4066 7543 4061 7539 4058 7541 4054 7535
      4042 7549 4044 7553 4024 7570 4014 7589
      4049 7644 4050 7644

$$

KRUZDLO

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.