Alert archive / Pennsylvania / River Flood Warnings in 2011

River Flood Warning 138, NWS Philadelphia/Mount Holly

August 28, 2011Lehigh County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Aug 28, 2011, 6:47 PM EDT for Lehigh County, Pennsylvania. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Aug 28, 2011, 6:47 PM EDT (22:47 UTC)
Expired: Aug 28, 2011, 9:14 PM EDT
In force: 2 hr
Issued by: NWS Philadelphia/Mount Holly
Flood severity: Minor

County Lehigh County, PA

The river

Written for the forecast point Little Lehigh Creek at Allentown (APAP1). The gauge peaked at 8.14 ft at Aug 28, 2011, 6:00 PM EDT.

Action stage: 6 ft
Minor stage: 8 ft
Moderate stage: 10 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01451650, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

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

348 
WGUS41 KPHI 282247
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
647 PM EDT SUN AUG 28 2011

...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD 
WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA... 

  LITTLE LEHIGH AT ALLENTOWN 10TH ST BRIDGE AFFECTING LEHIGH COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

PAC077-290447-
/O.NEW.KPHI.FL.W.0138.110828T2247Z-110829T0712Z/
/APAP1.1.ER.000000T0000Z.110828T2300Z.110829T0112Z.UU/
647 PM EDT SUN AUG 28 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE LITTLE LEHIGH AT ALLENTOWN 10TH ST BRIDGE.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 5:45 PM SUNDAY THE STAGE WAS 8.1 FEET. 
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 8.2 FEET BY THIS 
  EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE TONIGHT.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

LITTLE LEHIGH
  ALLENTOWN 10TH   8.0    8.15  SUN 6 PM     8.2  SUN 7 PM 

&&

1 follow-up statement

583 
WGUS81 KPHI 290114
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
914 PM EDT SUN AUG 28 2011

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...
 
  LITTLE LEHIGH AT ALLENTOWN 10TH ST BRIDGE AFFECTING LEHIGH COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

PAC077-290144-
/O.CAN.KPHI.FL.W.0138.000000T0000Z-110829T0712Z/
/APAP1.1.ER.000000T0000Z.110828T2145Z.110828T2240Z.UU/
914 PM EDT SUN AUG 28 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE LITTLE LEHIGH AT ALLENTOWN 10TH ST BRIDGE.
* AT 8:45 PM SUNDAY THE STAGE WAS 7.1 FEET. 
* FLOOD STAGE IS 8.0 FEET.
* FELL BELOW FLOOD STAGE AT 6:40 PM SUNDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 6.6 FEET BY TUESDAY 
  MORNING.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

LITTLE LEHIGH
  ALLENTOWN 10TH   8.0    7.11  SUN 9 PM      FALLING

&&

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 27, 8:28 PM EDT	Flash Flood Warning	PHI	Chester	12 hr
Aug 27, 9:29 PM EDT	Tornado Warning	PHI	Delaware	31 min
Aug 27, 9:43 PM EDT	Areal Flood Warning	PHI	Berks, Bucks, Chester, Lehigh, Montgomery, Northampton	6 hr
Aug 27, 9:58 PM EDT	River Flood Warning	PHI	Monroe, Northampton	48 hr
Aug 27, 9:58 PM EDT	River Flood Warning	PHI	Monroe, Northampton	17 hr
Aug 27, 10:14 PM EDT	Tornado Warning	PHI	Chester, Delaware	31 min
Aug 27, 10:23 PM EDT	Tornado Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	37 min
Aug 27, 10:36 PM EDT	Tornado Warning	PHI	Bucks, Montgomery, Philadelphia	24 min
Aug 27, 11:21 PM EDT	Areal Flood Warning	PHI	Carbon, Monroe	6 hr
Aug 27, 11:22 PM EDT	Tornado Warning	PHI	Bucks, Montgomery	23 min
Aug 27, 11:37 PM EDT	Flash Flood Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	12 hr
Aug 28, 3:50 AM EDT	Flash Flood Warning	PHI	Berks, Bucks, Chester, Lehigh, Montgomery, Northampton	10 hr
Aug 28, 5:17 AM EDT	Flash Flood Warning	PHI	Carbon, Monroe	10 hr
Aug 28, 11:07 AM EDT	Areal Flood Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	18 hr
Aug 28, 1:27 PM EDT	Areal Flood Warning	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	8 hr
Aug 28, 3:23 PM EDT	Areal Flood Warning	PHI	Carbon, Monroe	8 hr

Nearby

River Flood Warnings in Pennsylvania, 2011 Every river flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the gauge from the NWS water service and the USGS.