Alert archive / New Jersey / Areal Flood Warnings in 2011
Areal Flood Warning 82, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood warning at Sep 8, 2011, 9:53 AM EDT for 4 counties in New Jersey. It was in force for 24 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
- Sep 8, 2011, 9:53 AM EDT (13:53 UTC)
- Expired
- Sep 9, 2011, 9:45 AM EDT
- In force
- 24 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hunterdon County, NJ, Mercer County, NJ, Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 13:54 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 1.9 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
- 12 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 417 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
258
WGUS41 KPHI 081353
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
953 AM EDT THU SEP 8 2011
NJC019-021-027-035-082145-
/O.NEW.KPHI.FA.W.0082.110908T1353Z-110908T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-HUNTERDON NJ-SOMERSET NJ-MERCER NJ-
953 AM EDT THU SEP 8 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
MORRIS COUNTY IN NORTHERN NEW JERSEY...
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
SOMERSET COUNTY IN NORTHERN NEW JERSEY...
EASTERN MERCER COUNTY IN CENTRAL NEW JERSEY...
* UNTIL 545 PM EDT THURSDAY
* AT 948 AM EDT...THE STONY BROOK IN PRINCETON WAS RISING QUICKLY.
* THE WATER LEVEL ON THE SOUTH BRANCH RARITAN RIVER AT HIGH BRIDGE
WAS 10.40 FEET AND WAS RISING. FLOOD STAGE IS 10.0 FEET.
* THE WHIPPANY RIVER IN MORRISTOWN AND THE GREEN POND BROOK AT
PICATINNY WERE ALSO RUNNING VERY HIGH.
* THE WATER LEVEL ON PIKE RUN IN BELLE MEADE WAS 8.73 FEET. FLOOD
STAGE IS 7.0 FEET.
* IN ADDITION, THE NORTH BRANCH RARITAN RIVER AT BOTH SOUTH BRANCH
AND NORTH BRANCH WERE ABOVE FLOOD STAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 4072 7438 4067 7445 4066 7441 4060 7443
4056 7453 4048 7447 4034 7465 4026 7448
4017 7458 4017 7459 4064 7511 4080 7485
4090 7478 4091 7466 4108 7451 4104 7449
4105 7444 4101 7440 4095 7447 4086 7431
$$
KRUZDLO2 follow-up statements
479
WGUS41 KPHI 082127
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
527 PM EDT THU SEP 8 2011
NJC019-021-027-035-090545-
/O.EXT.KPHI.FA.W.0082.000000T0000Z-110909T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-HUNTERDON NJ-SOMERSET NJ-MERCER NJ-
527 PM EDT THU SEP 8 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
MORRIS COUNTY IN NORTHERN NEW JERSEY...
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
SOMERSET COUNTY IN NORTHERN NEW JERSEY...
EASTERN MERCER COUNTY IN CENTRAL NEW JERSEY...
* UNTIL 145 AM EDT FRIDAY
* AT 526 PM EDT...ALTHOUGH THE RAINS HAVE BECOME MORE SPORADIC OVER
THE COURSE OF THE AFTERNOON, CREEKS AND RIVERS REMAIN VERY HIGH.
ROAD CLOSURES STILL EXIST. THE FLOOD WARNING HAS BEEN EXTENDED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 4072 7438 4067 7445 4066 7441 4060 7443
4056 7453 4048 7447 4034 7465 4026 7448
4017 7458 4017 7459 4064 7511 4080 7485
4090 7478 4091 7466 4108 7451 4104 7449
4105 7444 4101 7440 4095 7447 4086 7431
$$
KRUZDLO323
WGUS41 KPHI 090536
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
136 AM EDT FRI SEP 9 2011
NJC019-021-027-035-091345-
/O.EXT.KPHI.FA.W.0082.000000T0000Z-110909T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-HUNTERDON NJ-SOMERSET NJ-MERCER NJ-
136 AM EDT FRI SEP 9 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS IN...
MORRIS COUNTY IN NORTHERN NEW JERSEY...
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
SOMERSET COUNTY IN NORTHERN NEW JERSEY...
EASTERN MERCER COUNTY IN CENTRAL NEW JERSEY...
* UNTIL 945 AM EDT
* STREAMS CONTINUE TO RUN HIGH IN THE WARNED AREA IN RESPONSE TO
HEAVY RAIN DURING THE PAST SEVERAL DAYS. WHILE MANY OF THESE
STREAMS HAVE RETURNED TO THEIR BANKS...SOME FLOODING CONTINUES IN
A FEW STUBBORN SPOTS. THE FLOOD WARNING HAS THEREFORE BEEN
EXTENDED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4072 7438 4067 7445 4066 7441 4060 7443
4056 7453 4048 7447 4034 7465 4026 7448
4017 7458 4017 7459 4064 7511 4080 7485
4090 7478 4091 7466 4108 7451 4104 7449
4105 7444 4101 7440 4095 7447 4086 7431
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 9:42 PM EDT | River Flood Warning | PHI | Morris | 42 hr |
| Sep 7, 11:32 PM EDT | Areal Flood Advisory | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 4 more | 3 hr |
| Sep 8, 1:25 AM EDT | Flash Flood Warning | PHI | Cumberland, Gloucester, Salem | 7 hr |
| Sep 8, 2:26 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer | 6 hr |
| Sep 8, 3:15 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Morris, Somerset, Sussex, Warren | 6 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Morris, Somerset | 7 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Bergen, Morris, Passaic | 36 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Somerset | 18 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Middlesex, Somerset | 36 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Mercer | 18 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Burlington | 15 hr |
| Sep 8, 4:58 AM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth, Ocean | 3 hr |
| Sep 8, 5:30 AM EDT | Coastal Flood Watch | PHI | Burlington, Camden, Gloucester | 6 hr |
| Sep 8, 5:30 AM EDT | Coastal Flood Advisory | PHI | Burlington, Camden, Gloucester | 8 hr |
| Sep 8, 5:30 AM EDT | Coastal Flood Advisory | PHI | Cumberland, Salem | 17 hr |
| Sep 8, 8:36 AM EDT | Areal Flood Warning | PHI | Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 1 more | 16 hr |
| Sep 8, 9:58 AM EDT | Areal Flood Warning | PHI | Morris | 7 days |
| Sep 8, 11:12 AM EDT | River Flood Warning | PHI | Sussex, Warren | 8 hr |
| Sep 8, 11:42 AM EDT | Coastal Flood Warning | PHI | Burlington, Camden, Gloucester | 15 hr |
| Sep 8, 12:36 PM EDT | Flash Flood Warning | PHI | Cumberland, Salem | 2 hr |
| Sep 8, 1:15 PM EDT | Special Weather Statement | PHI | Cumberland | 60 min |
| Sep 8, 5:08 PM EDT | River Flood Warning | PHI | Morris, Somerset | 16 hr |
Nearby
Areal Flood Warnings in New Jersey, 2011Every areal flood warning in 2011
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.