Alert archive / New Jersey / Areal Flood Warnings in 2017
Areal Flood Warning 21, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood warning at Aug 3, 2017, 9:11 PM EDT for Burlington County, New Jersey; Bucks County, Pennsylvania. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2017, 9:11 PM EDT (01:11 UTC)
- Expired
- Aug 4, 2017, 1:15 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Burlington County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 38 km from the middle of the area, began a volume at 01:13 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.2 hours before the alert went out and 184 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 87 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 937 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
751
WGUS41 KPHI 040111
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
911 PM EDT THU AUG 3 2017
NJC005-PAC017-040515-
/O.NEW.KPHI.FA.W.0021.170804T0111Z-170804T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Bucks PA-
911 PM EDT THU AUG 3 2017
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for Urban Areas and Small Streams in...
Northwestern Burlington County in southern New Jersey...
Southeastern Bucks County in southeastern Pennsylvania...
* Until 115 AM EDT
* At 909 PM EDT, local law enforcement reported flooding in
Burlington Township and Florence, with area streams continuing to
indicate rapid rises late this evening. Flooding is expected to
continue for the next several hours.
* Some locations that could experience flooding include...
Trenton, Bensalem, Willingboro, Florence, Burlington, Bristol,
Bordentown, Beverly, Tullytown, Florence-Roebling, Jacksonville,
Georgetown, Crosswicks, Levittown, Columbus, White Horse, Edgewater
Park, Morrisville, Penndel and Langhorne Manor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3999 7491 4009 7496 4012 7496 4012 7498
4014 7499 4022 7477 4015 7472 4019 7470
4014 7462 4013 7458 4009 7456
$$
CMS1 follow-up statement
012
WGUS81 KPHI 040512
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
112 AM EDT FRI AUG 4 2017
NJC005-PAC017-040521-
/O.EXP.KPHI.FA.W.0021.000000T0000Z-170804T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Bucks PA-
112 AM EDT FRI AUG 4 2017
...THE FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS WILL EXPIRE AT
115 AM EDT FOR NORTHWESTERN BURLINGTON AND SOUTHEASTERN BUCKS
COUNTIES...
County officials reported that the flooding continues to recede.
Therefore, the flood warning will be allowed to expire. Please
continue to heed any remaining road closures.
LAT...LON 3999 7491 4009 7496 4012 7496 4012 7498
4014 7499 4022 7477 4015 7472 4019 7470
4014 7462 4013 7458 4009 7456
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:02 PM EDT | Special Weather Statement | PHI | Warren | 43 min |
| Aug 3, 9:20 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
| Aug 4, 3:41 PM EDT | Small Craft Advisory | PHI | 9 hr | |
| Aug 3, 8:01 PM EDT | Special Weather Statement | PHI | Berks | 44 min |
| Aug 3, 8:11 PM EDT | Special Weather Statement | PHI | Lehigh | 49 min |
| Aug 3, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 46 min |
| Aug 3, 8:35 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 4 hr |
| Aug 3, 8:54 PM EDT | Special Weather Statement | PHI | Berks | 51 min |
| Aug 3, 9:29 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 46 min |
| Aug 4, 1:25 PM EDT | Special Weather Statement | PHI | Berks | 65 min |
| Aug 4, 2:49 PM EDT | Areal Flood Advisory | PHI | Berks | 116 min |
Nearby
Areal Flood Warnings in New Jersey, 2017Areal Flood Warnings in Pennsylvania, 2017Every areal flood warning in 2017
Sources
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.