Alert archive / New Jersey / Areal Flood Warnings in 2012
Areal Flood Warning 50, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood warning at Dec 27, 2012, 7:58 AM EST for Morris County, New Jersey. It was in force for 5 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
- Dec 27, 2012, 7:58 AM EST (12:58 UTC)
- Expired
- Dec 27, 2012, 12:38 PM EST
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Morris County, NJ
The radar
The Philadelphia radar (KDIX), 112 km from the middle of the area, began a volume at 12:59 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, 1.0 hours before the alert went out and 126 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
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 431 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 407 m²/s²
- 0-3 km storm-relative helicity
- 500 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
094
WGUS41 KPHI 271258
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
758 AM EST THU DEC 27 2012
NJC027-272100-
/O.NEW.KPHI.FA.W.0050.121227T1258Z-121227T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
758 AM EST THU DEC 27 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR...
NORTHEASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
* UNTIL 400 PM EST THURSDAY
* AT 754 AM EST...AUTOMATED STREAM GAGE EQUIPMENT ON THE EAST DITCH
INDICATED RISING WATER LEVELS IN RESPONSE TO YESTERDAYS RAIN. IF
THIS TREND CONTINUES...FLOOD STAGE COULD BE REACHED BEFORE NOON.
OTHER SMALL STREAMS IN THE AREA ARE ALSO RUNNING HIGH. AN AREAL
FLOOD WARNING HAS THEREFORE BEEN ISSUED FOR NORTHEASTERN MORRIS
COUNTY.
A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.
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 4090 7429 4090 7433 4085 7431 4081 7433
4099 7455 4104 7443 4102 7443 4103 7441
4101 7439 4102 7436 4099 7429 4094 7428
$$
JJM1 follow-up statement
740
WGUS81 KPHI 271738
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1238 PM EST THU DEC 27 2012
NJC027-271747-
/O.CAN.KPHI.FA.W.0050.000000T0000Z-121227T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-
1238 PM EST THU DEC 27 2012
...THE FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN MORRIS
COUNTY...
STREAMS WHICH EXPERIENCED RISES FROM YESTERDAYS RAIN HAVE NOW
RECEDED BACK INTO THEIR BANKS. THE WARNING HAS THEREFORE BEEN
CANCELLED.
LAT...LON 4090 7429 4090 7433 4085 7431 4081 7433
4099 7455 4104 7443 4102 7443 4103 7441
4101 7439 4102 7436 4099 7429 4094 7428
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 7:55 PM EST | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 6 hr |
| Dec 26, 9:10 PM EST | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 4 hr |
| Dec 26, 11:15 PM EST | Areal Flood Advisory | PHI | Middlesex, Monmouth, Ocean | 3 hr |
| Dec 26, 11:30 PM EST | Areal Flood Warning | PHI | Monmouth, Ocean | 3 days |
| Dec 27, 12:37 AM EST | Areal Flood Warning | PHI | Hunterdon | 6 hr |
| Dec 27, 1:01 AM EST | Special Weather Statement | PHI | Monmouth | 59 min |
| Dec 27, 1:52 AM EST | Special Weather Statement | PHI | Middlesex, Monmouth | 53 min |
| Dec 27, 1:42 PM EST | Wind Advisory | PHI | Cape May | 5 hr |
| Dec 27, 1:46 PM EST | River Flood Warning | PHI | Burlington | 55 hr |
Nearby
Areal Flood Warnings in New Jersey, 2012Every areal flood warning in 2012
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.