Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at May 26, 2012, 3:54 PM EDT for Carbon County, Pennsylvania. It was in force for 4 hr. 5 reports 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
- May 26, 2012, 3:54 PM EDT (19:54 UTC)
- Expired
- May 26, 2012, 7:48 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Carbon County, PA
The radar
The Binghamton radar (KBGM), 150 km from the middle of the area, began a volume at 19:56 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 |
|---|---|---|---|
| May 26, 3:55 PM EDT | FLASH FLOOD | Lansford, PA | EXTENSIVE FLOODING REPORTED FROM COUNTY 911 CENTER. MANY ROADS CLOSED AND BASEMENTS FLOODED. |
| May 26, 3:55 PM EDT | FLASH FLOOD | Nesquehoning, PA | |
| May 26, 3:55 PM EDT | FLASH FLOOD | Summit Hill, PA | EXTENSIVE FLOODING REPORTED FROM COUNTY 911 CENTER. MANY ROADS CLOSED AND BASEMENTS FLOODED. |
| May 26, 4:15 PM EDT | FLASH FLOOD | Mcadoo, PA | 31 HOMES AFFECTED BY FLOODING. RAILROAD CROSSING WASHED OUT. ONE WATER RESCUE. |
| May 26, 5:30 PM EDT | FLASH FLOOD | Lansford, PA | RAINFALL ESTIMATED AMOUNTS OF 5.00 TO 6.00 INCH IN LANSFORD AND SUMMIT HILL AREAS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.9 hours before the alert went out and 246 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
- 144 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 659 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
303
WGUS51 KPHI 261954
FFWPHI
PAC025-270000-
/O.NEW.KPHI.FF.W.0005.120526T1954Z-120527T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
354 PM EDT SAT MAY 26 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN CARBON COUNTY...
* UNTIL 800 PM EDT...
* AT 348 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM OVER SOUTHWESTERN CARBON
COUNTY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JIM
THORPE...LEHIGHTON...NESQUEHONING...PALMERTON...WEATHERLY AND NEW
MAHONING.
TWO TO THREE INCHES OF RAIN HAS FALLEN ACROSS THE AREA OVER THE LAST
HOUR. ADDITIONAL RAINFALL AMOUNTS OF AN INCH OR MORE ARE POSSIBLE IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1-877-633-6772.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
&&
LAT...LON 4081 7558 4078 7565 4078 7570 4077 7570
4074 7577 4084 7594 4090 7600 4091 7600
4095 7588 4098 7586 4099 7582
$$
ROBERTSON2 follow-up statements
945
WGUS71 KPHI 262100
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
500 PM EDT SAT MAY 26 2012
PAC025-270000-
/O.CON.KPHI.FF.W.0005.000000T0000Z-120527T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARBON PA-
500 PM EDT SAT MAY 26 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR
SOUTHWESTERN CARBON COUNTY...
AT 452 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WIDESPREAD
FLOODING AND ROAD CLOSURES IN LANSFORD...SUMMIT HILL...AND
NESQUEHONING...ADDITIONAL FLOODING IS POSSIBLE OVER SOUTHWESTERN
CARBON COUNTY.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LANSFORD...SUMMIT HILL...NESQUEHONING...LEHIGHTON...
PALMERTON...WEATHERLY AND NEW MAHONING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
PLEASE REPORT FLOODING BY CALLING YOUR LOCAL LAW ENFORCEMENT
OFFICIALS OR BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE
AT...1-877-633-6772.
&&
LAT...LON 4081 7558 4078 7565 4078 7570 4077 7570
4074 7577 4084 7594 4090 7600 4091 7600
4095 7588 4098 7586 4099 7582
$$
ROBERTSON071
WGUS71 KPHI 262348
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
748 PM EDT SAT MAY 26 2012
PAC025-262358-
/O.CAN.KPHI.FF.W.0005.000000T0000Z-120527T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARBON PA-
748 PM EDT SAT MAY 26 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN CARBON
COUNTY...
THE HEAVIEST RAIN HAS ENDED FOR THIS EVENING...ALTHOUGH SOME LIGHT
RAIN MAY CONTINUE THIS EVENING. SOME SMALLER CREEKS AND STREAMS MAY
CONTINUE TO RISE...BUT SHOULD BEGIN RECEDING OVER THE NEXT COUPLE OF
HOURS.
MORE HEAVY RAINFALL IS POSSIBLE ON SUNDAY WHICH COULD CAUSE
ADDITIONAL FLOODING.
LAT...LON 4081 7558 4078 7565 4078 7570 4077 7570
4074 7577 4084 7594 4090 7600 4091 7600
4095 7588 4098 7586 4099 7582
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 2:02 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 58 min |
| May 26, 2:18 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 5 hr |
| May 26, 2:23 PM EDT | Areal Flood Advisory | PHI | Carbon | 3 hr |
| May 26, 2:36 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 5 hr |
| May 26, 2:42 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 48 min |
| May 26, 2:46 PM EDT | Special Weather Statement | PHI | Carbon | 44 min |
| May 26, 3:15 PM EDT | Areal Flood Advisory | PHI | Carbon | 2 hr |
| May 26, 3:32 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 4 hr |
| May 26, 3:39 PM EDT | Special Weather Statement | PHI | Monroe | 51 min |
| May 26, 3:40 PM EDT | Excessive Heat Watch | PHI | Delaware, Philadelphia | 23 hr |
| May 26, 3:45 PM EDT | Areal Flood Advisory | PHI | Carbon | 3 hr |
| May 26, 3:48 PM EDT | Areal Flood Advisory | PHI | Monroe | 3 hr |
| May 26, 3:51 PM EDT | Special Weather Statement | PHI | Carbon | 39 min |
| May 26, 4:31 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe, Northampton | 3 hr |
| May 26, 4:37 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 38 min |
| May 26, 4:54 PM EDT | Special Weather Statement | PHI | Northampton | 51 min |
| May 26, 5:26 PM EDT | Special Weather Statement | PHI | Bucks | 49 min |
| May 26, 5:33 PM EDT | Flash Flood Warning | PHI | Monroe | 114 min |
| May 26, 5:36 PM EDT | Areal Flood Advisory | PHI | Lehigh, Northampton | 114 min |
| May 26, 6:02 PM EDT | Special Weather Statement | PHI | Berks | 43 min |
| May 26, 6:10 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Montgomery | 111 min |
| May 26, 6:26 PM EDT | Special Weather Statement | PHI | Berks | 49 min |
| May 26, 7:18 PM EDT | Areal Flood Advisory | PHI | Bucks | 60 min |
| May 26, 7:20 PM EDT | Areal Flood Advisory | PHI | Berks, Chester | 59 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2012Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.