Alert archive / Pennsylvania / River Flood Warnings in 2014
River Flood Warning 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Apr 30, 2014, 1:52 PM EDT for Delaware County, Pennsylvania. It took effect at Apr 30, 2014, 2:13 PM EDT. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Apr 30, 2014, 1:52 PM EDT (17:52 UTC)
- In effect from
- Apr 30, 2014, 2:13 PM EDT
- Expired
- May 1, 2014, 6:17 AM EDT
- In force
- 16 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- Minor
County Delaware County, PA
The radar
The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 17:54 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 13.69 ft at Apr 30, 2014, 9:00 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.
213
WGUS41 KPHI 301752
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
152 PM EDT WED APR 30 2014
...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.
&&
PAC045-302352-
/O.NEW.KPHI.FL.W.0009.140430T1813Z-140501T0442Z/
/CHSP1.1.ER.140430T1813Z.140430T2100Z.140430T2242Z.NO/
552 PM GMT WED APR 30 2014
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 5:46 PM WEDNESDAY THE STAGE WAS 7.6 FEET.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE THIS AFTERNOON AND CONTINUE TO
RISE TO NEAR 9.4 FEET THIS EVENING. THE RIVER WILL FALL BELOW FLOOD
STAGE TONIGHT.
* IMPACT...AT 10.5 FEET...FLOOD DAMAGE BEGINS IN THE CITY OF CHESTER.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHESTER CREEK
CHESTER 8.0 7.60 WED 6 PM 9.4 WED 9 PM
&&
KRUZDLO3 follow-up statements
425
WGUS41 KPHI 302101
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
501 PM EDT WED APR 30 2014
...FORECAST FLOODING CHANGED FROM MINOR TO MAJOR SEVERITY FOR
THE FOLLOWING RIVERS IN PENNSYLVANIA...
CHESTER CREEK NEAR CHESTER AFFECTING DELAWARE COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS.
THE WATER MAY BE DEEPER THAN YOU THINK.
&&
PAC045-010301-
/O.EXT.KPHI.FL.W.0009.000000T0000Z-140501T0940Z/
/CHSP1.3.ER.140430T1811Z.140501T0000Z.140501T0340Z.NO/
501 PM EDT WED APR 30 2014
...FORECAST FLOODING INCREASED FROM MINOR TO MAJOR SEVERITY...
THE FLOOD WARNING CONTINUES FOR
THE CHESTER CREEK NEAR CHESTER.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 4:46 PM WEDNESDAY THE STAGE WAS 9.9 FEET.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 14.2 FEET
BY THIS EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE OVERNIGHT.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHESTER CREEK
CHESTER 8.0 9.86 WED 5 PM 14.2 WED 8 PM
&&814
WGUS81 KPHI 010214
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1014 PM EDT WED APR 30 2014
...THE FLOOD WARNING CONTINUES 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.
&&
PAC045-011214-
/O.EXT.KPHI.FL.W.0009.000000T0000Z-140501T1258Z/
/CHSP1.2.ER.140430T1811Z.140501T0101Z.140501T0658Z.NO/
1014 PM EDT WED APR 30 2014
...FLOOD WARNING EXTENDED UNTIL THURSDAY MORNING...
THE FLOOD WARNING CONTINUES FOR
THE CHESTER CREEK NEAR CHESTER.
* UNTIL THURSDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 10:01 PM WEDNESDAY THE STAGE WAS 13.2 FEET.
* FLOOD STAGE IS 8.0 FEET.
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL FALL BELOW FLOOD STAGE OVERNIGHT.
* IMPACT...AT 10.5 FEET...FLOOD DAMAGE BEGINS IN THE CITY OF CHESTER.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHESTER CREEK
CHESTER 8.0 13.24 WED 10 PM 13.3 WED 11 PM
&&931
WGUS81 KPHI 011017
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
617 AM EDT THU MAY 1 2014
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...
CHESTER CREEK NEAR CHESTER AFFECTING DELAWARE COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE WATER MAY BE
DEEPER THAN YOU THINK.
&&
PAC045-011047-
/O.CAN.KPHI.FL.W.0009.000000T0000Z-140501T1258Z/
/CHSP1.2.ER.140430T1811Z.140501T0101Z.140501T0842Z.NO/
617 AM EDT THU MAY 1 2014
THE FLOOD WARNING IS CANCELLED FOR
THE CHESTER CREEK NEAR CHESTER.
* AT 5:46 AM THURSDAY THE STAGE WAS 7.2 FEET.
* FLOOD STAGE IS 8.0 FEET.
* FELL BELOW FLOOD STAGE AT 4:42 AM THURSDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 3.5 FEET BY TOMORROW MORNING.
* IMPACT...AT 10.5 FEET...FLOOD DAMAGE BEGINS IN THE CITY OF CHESTER.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
CHESTER CREEK
CHESTER 8.0 7.24 THU 6 AM 4.9 THU 7 AM
&&The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 9:45 AM EDT | Areal Flood Advisory | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Apr 30, 11:06 AM EDT | Areal Flood Advisory | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton | 3 hr |
| Apr 30, 12:49 PM EDT | Areal Flood Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 26 hr |
| Apr 30, 1:35 PM EDT | Areal Flood Warning | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton | 16 hr |
| Apr 30, 1:45 PM EDT | River Flood Warning | PHI | Chester | 39 hr |
| Apr 30, 2:07 PM EDT | Areal Flood Warning | PHI | Bucks | 22 hr |
| Apr 30, 3:15 PM EDT | River Flood Warning | PHI | Montgomery | 20 hr |
| Apr 30, 3:23 PM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 34 hr |
| Apr 30, 3:23 PM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 28 hr |
| Apr 30, 3:27 PM EDT | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery | 108 min |
| Apr 30, 3:29 PM EDT | River Flood Warning | PHI | Chester, Delaware | 34 hr |
| Apr 30, 3:32 PM EDT | River Flood Warning | PHI | Bucks | 23 hr |
| Apr 30, 5:10 PM EDT | Special Weather Statement | PHI | Philadelphia | 110 min |
| Apr 30, 6:03 PM EDT | Special Weather Statement | PHI | Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia | 117 min |
| Apr 30, 6:16 PM EDT | River Flood Warning | PHI | Montgomery | 20 hr |
Nearby
River Flood Warnings in Pennsylvania, 2014Every river flood warning in 2014
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.