Alert archive / Pennsylvania / Areal Flood Advisories in 2012
Areal Flood Advisory 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Jan 12, 2012, 6:49 AM EST for 4 counties in Pennsylvania. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 12, 2012, 6:49 AM EST (11:49 UTC)
- Expired
- Jan 12, 2012, 10:31 AM EST
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Binghamton radar (KBGM), 142 km from the middle of the area, began a volume at 11:53 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, 11.8 hours before the alert went out and 225 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
- 867 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
710
WGUS81 KPHI 121149
FLSPHI
FLOOD ADVISORY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
649 AM EST THU JAN 12 2012
PAC025-077-089-095-121545-
/O.NEW.KPHI.FA.Y.0002.120112T1149Z-120112T1545Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEHIGH PA-NORTHAMPTON PA-CARBON PA-MONROE PA-
649 AM EST THU JAN 12 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED AN
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
CARBON COUNTY IN NORTHEAST PENNSYLVANIA...
MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
* UNTIL 1045 AM EST
* AT 648 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR ALONG WITH
RAIN GAGES INDICATED THAT UP TO ONE INCH OF RAIN HAD FALLEN DURING
THE OVERNIGHT PERIOD.
ADDITIONAL RAIN WILL MOVE ACROSS THE ADVISED AREA THIS MORNING.
ANOTHER QUARTER TO HALF INCH OF RAIN IS EXPECTED TO FALL.
POOR DRAINAGE OR LOW LYING CAN BE EXPECTED IN SPOTS DURING THE
MORNING COMMUTE.
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 4126 7514 4116 7516 4115 7511 4057 7529
4049 7542 4042 7549 4067 7589 4074 7578
4079 7586 4099 7580 4101 7575 4105 7579
4110 7577 4114 7570 4113 7564 4121 7557
4125 7550
$$
KRUZDLO1 follow-up statement
939
WGUS81 KPHI 121531
FLSPHI
FLOOD ADVISORY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1031 AM EST THU JAN 12 2012
PAC025-077-089-095-121541-
/O.CAN.KPHI.FA.Y.0002.000000T0000Z-120112T1545Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEHIGH PA-NORTHAMPTON PA-CARBON PA-MONROE PA-
1031 AM EST THU JAN 12 2012
...THE URBAN AND SMALL STREAM FLOOD ADVISORY HAS BEEN CANCELLED FOR
MONROE...CARBON...NORTHAMPTON AND LEHIGH COUNTIES...
THE WIDESPREAD MODERATE TO HEAVY RAIN HAS ENDED. WATER IS RECEDING.
THE URBAN AND SMALL STREAM FLOOD ADVISORY HAS BEEN CANCELLED.
LAT...LON 4126 7514 4116 7516 4115 7511 4057 7529
4049 7542 4042 7549 4067 7589 4074 7578
4079 7586 4099 7580 4101 7575 4105 7579
4110 7577 4114 7570 4113 7564 4121 7557
4125 7550
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 6:45 AM EST | Areal Flood Advisory | PHI | Bucks | 350 days |
| Jan 12, 1:19 PM EST | Coastal Flood Warning | PHI | Delaware, Philadelphia | 73 min |
Nearby
Areal Flood Advisories in Pennsylvania, 2012Every areal flood advisory 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.