Alert archive / Pennsylvania / River Flood Warnings in 2018
River Flood Warning 18, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at May 27, 2018, 9:21 AM EDT for Bucks County, Pennsylvania. It took effect at May 27, 2018, 12:39 PM EDT. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- May 27, 2018, 9:21 AM EDT (13:21 UTC)
- In effect from
- May 27, 2018, 12:39 PM EDT
- Expired
- May 27, 2018, 9:29 PM EDT
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
County Bucks County, PA
The radar
The Philadelphia radar (KDIX), 49 km from the middle of the area, began a volume at 13:21 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 Neshaminy Creek near Langhorne (LNGP1). The gauge peaked at 10.17 ft at May 27, 2018, 5:00 PM EDT.
- Action stage
- 8 ft
- Minor stage
- 9 ft
- Moderate stage
- 12 ft
- Major stage
- 14 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01465500, 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.
029
WGUS41 KPHI 271321
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
921 AM EDT Sun May 27 2018
...The National Weather Service in Mount Holly NJ has issued a
flood warning for the following rivers in Pennsylvania...
Neshaminy Creek At Langhorne affecting Bucks County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think.
&&
PAC017-271921-
/O.NEW.KPHI.FL.W.0018.180527T1754Z-180528T0012Z/
/LNGP1.1.ER.180527T1754Z.180527T1800Z.180527T1812Z.NO/
921 AM EDT Sun May 27 2018
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for
The Neshaminy Creek at Langhorne.
* From this afternoon to this evening...or until the warning is
cancelled.
* At 8:15 AM Sunday the stage was 2.7 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage and continue to rise to near
9.1 feet early this afternoon. The river will fall below flood
stage by mid afternoon.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Neshaminy Creek
Langhorne 9.0 2.74 Sun 8 AM 9.1 Sun 2 PM
&&
LAT...LON 4019 7498 4020 7491 4008 7486 4006 7493
$$
Kruzdlo3 follow-up statements
709
WGUS41 KPHI 271642
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
1241 PM EDT Sun May 27 2018
...Forecast flooding changed from Minor to Moderate severity for the
following rivers in Pennsylvania...
Neshaminy Creek At Langhorne affecting Bucks County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The
water may be deeper than you think.
&&
PAC017-272240-
/O.EXT.KPHI.FL.W.0018.180527T1639Z-180528T0153Z/
/LNGP1.2.ER.180527T1428Z.180527T1800Z.180527T1953Z.NO/
1241 PM EDT Sun May 27 2018
...Forecast flooding increased from Minor to Moderate severity...
The Flood Warning continues for
The Neshaminy Creek At Langhorne.
* Until this evening...or until the warning is cancelled.
* At 12:15 PM Sunday the stage was 9.9 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 10.1 feet early
this afternoon. The river will fall below flood stage late this
afternoon.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Neshaminy Creek
Langhorne 9.0 9.93 Sun 12 PM 10.1 Sun 2 PM
&&
LAT...LON 4019 7498 4020 7491 4008 7486 4006 7493
$$
Kruzdlo908
WGUS81 KPHI 272016
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
416 PM EDT Sun May 27 2018
...The Flood Warning continues for the following rivers in
Pennsylvania...
Neshaminy Creek At Langhorne affecting Bucks County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think.
&&
PAC017-280338-
/O.EXT.KPHI.FL.W.0018.000000T0000Z-180528T0338Z/
/LNGP1.2.ER.180527T1428Z.180527T1915Z.180527T2138Z.NO/
416 PM EDT Sun May 27 2018
The Flood Warning continues for
The Neshaminy Creek at Langhorne.
* At 3:15 PM Sunday the stage was 10.1 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring.
* Forecast...The river will fall below flood stage late this
afternoon.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Neshaminy Creek
Langhorne 9.0 10.11 Sun 3 PM 7.9 Sun 8 PM
&&
LAT...LON 4019 7498 4020 7491 4008 7486 4006 7493
$$
Kruzdlo941
WGUS81 KPHI 280129
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
929 PM EDT Sun May 27 2018
...The Flood Warning is cancelled for the Neshaminy Creek...
&&
PAC017-280159-
/O.CAN.KPHI.FL.W.0018.000000T0000Z-180528T0338Z/
/LNGP1.2.ER.180527T1428Z.180527T2115Z.180528T0017Z.NO/
929 PM EDT Sun May 27 2018
The Flood Warning is cancelled for
The Neshaminy Creek at Langhorne.
* At 9:15 PM Sunday the stage was 8.04 feet.
* Flood stage is 9.0 feet.
* The creek fell below flood stage at 8:17 PM Sunday.
* Forecast...The creek will continue to fall to 5.0 feet
early on Monday morning.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Neshaminy Creek
Langhorne 9.0 8.04 Sun 915 PM Crested
&&
LAT...LON 4019 7498 4020 7491 4008 7486 4006 7493
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 11:38 PM EDT | Flash Flood Watch | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 23 hr |
| May 27, 6:33 AM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| May 27, 7:30 AM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| May 27, 8:01 AM EDT | Flash Flood Warning | PHI | Bucks, Chester, Montgomery | 4 hr |
| May 27, 9:17 AM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| May 27, 9:22 AM EDT | Areal Flood Advisory | PHI | Philadelphia | 2 hr |
| May 27, 9:39 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery | 2 hr |
| May 27, 10:27 AM EDT | Areal Flood Warning | PHI | Bucks | 8 hr |
| May 27, 11:18 AM EDT | Areal Flood Warning | PHI | Bucks | 7 hr |
| May 27, 3:22 PM EDT | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 12 hr |
| May 27, 6:07 PM EDT | Areal Flood Warning | PHI | Bucks | 4 hr |
Nearby
River Flood Warnings in Pennsylvania, 2018Every river flood warning in 2018
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.