Alert archive / New Jersey / Flash Flood Warnings in 2010
Flash Flood Warning 14, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 17, 2010, 3:58 PM EDT for Atlantic County, New Jersey. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 17, 2010, 3:58 PM EDT (19:58 UTC)
- Expired
- Aug 17, 2010, 7:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Atlantic County, NJ
The radar
The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 20:01 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 17, 5:00 PM EDT | HEAVY RAIN 3.58 | Margate City, NJ | POWER OUTAGES ALSO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.0 hours before the alert went out and 142 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1493 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
730
WGUS51 KPHI 171958
FFWPHI
NJC001-172300-
/O.NEW.KPHI.FF.W.0014.100817T1958Z-100817T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
358 PM EDT TUE AUG 17 2010
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF ATLANTIC CITY...
* UNTIL 700 PM EDT
* AT 352 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING LIKELY FROM REPEATED THUNDERSTORMS
MOVING OVER THE WARNED AREA. DOPPLER RADAR STORM TOTAL ESTIMATES
HAVE REACHED THREE INCHES JUST WEST OF ATLANTIC CITY. DO NOT
TAKE ROADWAYS IN ATLANTIC CITY THAT ARE PRONE TO FLOODING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ABSECON
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 3937 7440 3935 7441 3933 7448 3929 7452
3930 7457 3935 7461 3944 7456 3942 7442
3943 7441 3941 7440 3942 7439 3941 7435
$$
TFG2 follow-up statements
824
WGUS71 KPHI 172052
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
452 PM EDT TUE AUG 17 2010
NJC001-172300-
/O.CON.KPHI.FF.W.0014.000000T0000Z-100817T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATLANTIC NJ-
452 PM EDT TUE AUG 17 2010
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHEASTERN ATLANTIC COUNTY...
AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED ONE LAST THUNDERSTORM OVER ABSECON ISLAND IN MARGATE.
ONCE THIS STORM MOVES OFFSHORE FLOODING WILL SUBSIDE IN THE
WARNED AREA. SIDE STREET FLOODING WAS REPORTED WITHIN ATLANTIC
CITY.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARGATE
CITY...VENTNOR CITY...PLEASANTVILLE...NORTHFIELD...BRIGANTINE AND
ATLANTIC CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 3937 7440 3935 7441 3933 7448 3929 7452
3930 7457 3935 7461 3944 7456 3942 7442
3943 7441 3941 7440 3942 7439 3941 7435
$$
TFG210
WGUS71 KPHI 172253
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
653 PM EDT TUE AUG 17 2010
NJC001-172300-
/O.CON.KPHI.FF.W.0014.000000T0000Z-100817T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATLANTIC NJ-
653 PM EDT TUE AUG 17 2010
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHEASTERN ATLANTIC COUNTY...
THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. SOME RESIDUAL
FLOODING WAS REPORTED DURING THE PAST HOUR WITHIN ATLANTIC CITY.
WITH NO ADDITIONAL HEAVY RAIN EXPECTED THIS EVENING AND TIDES
RECEDING ANY RESIDUAL FLOODING WILL BE ENDING SOON.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PLEASANTVILLE
AND BRIGANTINE
LAT...LON 3937 7440 3935 7441 3933 7448 3929 7452
3930 7457 3935 7461 3944 7456 3942 7442
3943 7441 3941 7440 3942 7439 3941 7435
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 12:19 AM EDT | Special Weather Statement | PHI | Monmouth | 41 min |
| Aug 17, 1:29 PM EDT | Special Weather Statement | PHI | Atlantic | 61 min |
| Aug 17, 1:32 PM EDT | Special Marine Warning | PHI | 88 min | |
| Aug 17, 2:42 PM EDT | Special Weather Statement | PHI | Atlantic | 63 min |
| Aug 17, 2:58 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Aug 17, 3:27 PM EDT | Areal Flood Advisory | PHI | Atlantic | 2 hr |
| Aug 17, 3:40 PM EDT | Special Marine Warning | PHI | 95 min |
Nearby
Flash Flood Warnings in New Jersey, 2010Every flash flood warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.