Alert archive / Pennsylvania / River Flood Warnings in 2013

River Flood Warning 22, NWS Philadelphia/Mount Holly

June 10, 2013Delaware County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 10, 2013, 6:33 PM EDT for Delaware County, Pennsylvania. It took effect at Jun 10, 2013, 6:48 PM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jun 10, 2013, 6:33 PM EDT (22:33 UTC)
In effect from: Jun 10, 2013, 6:48 PM EDT
Expired: Jun 10, 2013, 11:12 PM EDT
In force: 4 hr
Issued by: NWS Philadelphia/Mount Holly
Flood severity: Moderate

County Delaware County, PA

The radar

The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 22:33 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.

The river

Written for the forecast point Chester Creek near Chester (CHSP1). The gauge peaked at 10.66 ft at Jun 10, 2013, 8:00 PM EDT.

Action stage: 7 ft
Minor stage: 8 ft
Moderate stage: 10 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01477000, 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.

291 
WGUS41 KPHI 102233
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
633 PM EDT MON JUN 10 2013

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

  CHESTER CREEK NEAR CHESTER AFFECTING DELAWARE COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC045-110433-
/O.NEW.KPHI.FL.W.0022.130610T2248Z-130611T0928Z/
/CHSP1.2.ER.130610T2248Z.130611T0100Z.130611T0328Z.NO/
633 PM EDT MON JUN 10 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CHESTER CREEK NEAR CHESTER.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT  6:15 PM MONDAY THE STAGE WAS 6.7 FEET. 
* FLOOD STAGE IS 8.0 FEET. 
* MODERATE FLOODING IS FORECAST. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS EVENING AND CONTINUE TO RISE TO NEAR
  11.6 FEET BY TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE BY TONIGHT.
* IMPACT...AT 10.5 FEET...FLOOD DAMAGE BEGINS IN THE CITY OF CHESTER.

$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

CHESTER CREEK
  CHESTER          8.0    6.70  MON 6 PM    11.6    MON 9 PM 

&&

1 follow-up statement

349 
WGUS81 KPHI 110312
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1112 PM EDT MON JUN 10 2013

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...
 
  CHESTER CREEK NEAR CHESTER AFFECTING DELAWARE COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC045-110342-
/O.CAN.KPHI.FL.W.0022.000000T0000Z-130611T0928Z/
/CHSP1.2.ER.130610T2236Z.130611T0046Z.130611T0249Z.NO/
1112 PM EDT MON JUN 10 2013

THE FLOOD WARNING IS CANCELLED FOR
  THE CHESTER CREEK NEAR CHESTER.
* AT 11:01 PM MONDAY THE STAGE WAS 7.8 FEET. 
* FLOOD STAGE IS 8.0 FEET.
* FELL BELOW FLOOD STAGE AT 10:49 PM MONDAY.


$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

CHESTER CREEK
  CHESTER          8.0    7.79  MON 11 PM    7.1    TUE 12 AM

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 3:30 AM EDT	Flood Watch	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	24 hr
Jun 10, 5:14 AM EDT	Areal Flood Advisory	PHI	Berks, Chester	4 hr
Jun 10, 5:53 AM EDT	Areal Flood Advisory	PHI	Bucks, Chester, Lehigh, Montgomery, Northampton	4 hr
Jun 10, 6:07 AM EDT	Flash Flood Warning	PHI	Berks, Chester, Montgomery	4 hr
Jun 10, 7:18 AM EDT	Areal Flood Warning	PHI	Bucks, Montgomery, Philadelphia	3 hr
Jun 10, 9:04 AM EDT	River Flood Warning	PHI	Chester	5 hr
Jun 10, 12:35 PM EDT	Areal Flood Warning	PHI	Montgomery	17 hr
Jun 10, 4:02 PM EDT	Areal Flood Advisory	PHI	Chester, Delaware, Philadelphia	4 hr
Jun 10, 4:10 PM EDT	Special Weather Statement	PHI	Chester	65 min
Jun 10, 4:30 PM EDT	Special Weather Statement	PHI	Delaware	60 min
Jun 10, 4:42 PM EDT	River Flood Warning	PHI	Chester, Delaware	12 hr
Jun 10, 5:06 PM EDT	Areal Flood Warning	PHI	Chester, Delaware	12 hr
Jun 10, 6:22 PM EDT	Special Weather Statement	PHI	Bucks, Montgomery	53 min
Jun 10, 6:28 PM EDT	Areal Flood Warning	PHI	Bucks	9 hr

Nearby

River Flood Warnings in Pennsylvania, 2013 Every river flood warning in 2013

Sources

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