Alert archive / New Jersey / Areal Flood Warnings in 2018

Areal Flood Warning 9, NWS Philadelphia/Mount Holly

February 13, 2018Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Feb 13, 2018, 4:18 AM EST for Atlantic County, New Jersey. It was in force for 41 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: Feb 13, 2018, 4:18 AM EST (09:18 UTC)
Expired: Feb 14, 2018, 9:15 PM EST
In force: 41 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 09:22 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 9.3 hours before the alert went out and 190 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1063 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: -119 m²/s²
0-3 km storm-relative helicity: -47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

943 
WGUS41 KPHI 130918
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
418 AM EST TUE FEB 13 2018

NJC001-131515-
/O.NEW.KPHI.FA.W.0009.180213T0918Z-180213T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
418 AM EST TUE FEB 13 2018

The National Weather Service in Mount Holly NJ has issued a

* Flood Warning for Small Streams in...
  West central Atlantic County in southern New Jersey...

* Until 1015 AM EST Tuesday

* At 414 AM EST, the Folsom gauge on the Great Egg Harbor River was 
  approaching flood stage due to runoff from heavy rainfall this 
  past weekend. Minor flooding is imminent.  

* Some locations that could experience flooding include...
  Folsom and Collings Lakes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.

&&

LAT...LON 3956 7482 3960 7488 3960 7489 3961 7487
      3958 7481

$$

CMS

7 follow-up statements

194 
WGUS41 KPHI 131457
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
957 AM EST TUE FEB 13 2018

NJC001-131915-
/O.EXT.KPHI.FA.W.0009.000000T0000Z-180213T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
957 AM EST TUE FEB 13 2018

The National Weather Service in Mount Holly NJ has extended the

* Flood Warning for Small Streams in...
  West central Atlantic County in southern New Jersey...

* Until 215 PM EST

* At 952 AM EST, the Folsom gauge on the Great Egg Harbor River was 
  above flood stage at 6.1 feet. Flood stage is 6.0 feet. The rising 
  water is due to runoff from heavy rainfall this past weekend. 
  Water levels will continue to slowly rise throughout the day. 
  
* Some locations that could experience flooding include...
  Folsom and Collings Lakes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

&&

LAT...LON 3956 7482 3960 7488 3960 7489 3961 7487
      3958 7481

$$

Kruzdlo

299 
WGUS41 KPHI 131905
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
205 PM EST TUE FEB 13 2018

NJC001-140115-
/O.EXT.KPHI.FA.W.0009.000000T0000Z-180214T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
205 PM EST TUE FEB 13 2018

The National Weather Service in Mount Holly NJ has extended the

* Flood Warning for Small Streams in...
  West central Atlantic County in southern New Jersey...

* Until 815 PM EST Tuesday

* At 203 PM EST, the Folsom gauge on the Great Egg Harbor River was 
  above flood stage at 6.2 feet. Flood stage is 6.0 feet. The rising 
  water is due to runoff from heavy rainfall this past weekend. 
  Water levels will continue to slowly rise into the evening. 

* Some locations that could experience flooding include...
  Folsom and Collings Lakes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.

&&

LAT...LON 3956 7482 3960 7488 3960 7489 3961 7487
      3958 7481

$$

Kruzdlo

793 
WGUS41 KPHI 140110
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
810 PM EST TUE FEB 13 2018

NJC001-141015-
/O.EXT.KPHI.FA.W.0009.000000T0000Z-180214T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
810 PM EST TUE FEB 13 2018

The National Weather Service in Mount Holly NJ has extended the

* Flood Warning for Small Streams in...
  West central Atlantic County in southern New Jersey...

* Until 515 AM EST Wednesday

* At 808 PM EST, the Folsom gauge on the Great Egg Harbor River was 
  above flood stage at 6.3 feet. Flood stage is 6.0 feet. This is 
  due to the runoff from heavy rainfall this past weekend. Water 
  levels will remain above flood stage through tonight. 

* Some locations that could experience flooding include...
  Folsom and Collings Lakes. 

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.

A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.

&&

LAT...LON 3956 7482 3960 7488 3960 7489 3961 7487
      3958 7481

$$

Franck

032 
WGUS41 KPHI 140926
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
426 AM EST WED FEB 14 2018

NJC001-141415-
/O.EXT.KPHI.FA.W.0009.000000T0000Z-180214T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
426 AM EST WED FEB 14 2018

The National Weather Service in Mount Holly NJ has extended the

* Flood Warning for Small Streams in...
  West central Atlantic County in southern New Jersey...

* Until 915 AM EST

* At 415 AM EST, the Folsom gauge on the Great Egg Harbor River 
  continued above flood stage at 6.26 feet. Flood stage is 6.0 feet. 
  This is due to the continued runoff from heavy rainfall this past 
  weekend. Water levels have crested and should slowly fall today. 

* Some locations that could experience flooding include...
  Folsom and Collings Lakes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flood Warning means that flooding is occurring. All interested 
parties should take necessary precautions immediately.

&&

LAT...LON 3956 7482 3960 7488 3960 7489 3961 7487
      3958 7481

$$

492 
WGUS41 KPHI 141227
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
727 AM EST WED FEB 14 2018

NJC001-142015-
/O.EXT.KPHI.FA.W.0009.000000T0000Z-180214T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
727 AM EST WED FEB 14 2018

The National Weather Service in Mount Holly NJ has extended the

* Flood Warning for Small Streams in...
  West central Atlantic County in southern New Jersey...

* Until 315 PM EST Wednesday

* At 725 AM EST, the Folsom gauge on the Great Egg Harbor River 
  continued above flood stage at 6.2 feet. Flood stage is 6.0 feet. 
  This is due to the runoff from heavy rainfall this past weekend. 
  Water levels have crested and will slowly fall today. 

* Some locations that could experience flooding include...
  Folsom and Collings Lakes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.

&&

LAT...LON 3956 7482 3960 7488 3960 7489 3961 7487
      3958 7481

$$

Kruzdlo

299 
WGUS41 KPHI 141907
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
207 PM EST WED FEB 14 2018

NJC001-150215-
/O.EXT.KPHI.FA.W.0009.000000T0000Z-180215T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
207 PM EST WED FEB 14 2018

The National Weather Service in Mount Holly NJ has extended the

* Flood Warning for Small Streams in...
  West central Atlantic County in southern New Jersey...

* Until 915 PM EST Wednesday

* At 206 PM EST, the Folsom gauge on the Great Egg Harbor River 
  continued above flood stage at 6.1 feet. Flood stage is 6.0 feet. 
  This is due to the runoff from heavy rainfall this past weekend. 
  Water levels are receding and will fall below flood stage tonight. 
  
* Some locations that could experience flooding include...
  Folsom and Collings Lakes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

&&

LAT...LON 3956 7482 3960 7488 3960 7489 3961 7487
      3958 7481

$$

Kruzdlo

592 
WGUS81 KPHI 150212
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
912 PM EST WED FEB 14 2018

NJC001-150220-
/O.EXP.KPHI.FA.W.0009.000000T0000Z-180215T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
912 PM EST WED FEB 14 2018

...THE FLOOD WARNING FOR SMALL STREAMS WILL EXPIRE AT 915 PM EST FOR
WEST CENTRAL ATLANTIC COUNTY...

River levels continue to slowly subside below flood stage so the 
flood warning will be allowed to expire. 

LAT...LON 3956 7482 3960 7488 3960 7489 3961 7487
      3958 7481

$$

Fitzsimmons

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 12, 8:59 PM EST	Areal Flood Warning	PHI	Burlington	21 hr
Feb 12, 9:31 PM EST	Areal Flood Warning	PHI	Cumberland, Salem	31 hr
Feb 13, 9:31 AM EST	Small Craft Advisory for Hazardous Seas	PHI		4 hr

Nearby

Areal Flood Warnings in New Jersey, 2018 Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.