Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at May 26, 2012, 2:36 PM EDT for Monroe County, Northampton County, Pennsylvania; Warren County, New Jersey. It was in force for 5 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
- May 26, 2012, 2:36 PM EDT (18:36 UTC)
- Expired
- May 26, 2012, 7:25 PM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Warren County, NJ, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 129 km from the middle of the area, began a volume at 18:39 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 | East Stroudsburg, PA | NUMEROUS REPORTS OF FLASH FLOODING. |
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, 6.6 hours before the alert went out and 191 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.
827 WGUS51 KPHI 261836 FFWPHI NJC041-PAC089-095-262130- /O.NEW.KPHI.FF.W.0003.120526T1836Z-120526T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 236 PM EDT SAT MAY 26 2012 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH CENTRAL WARREN COUNTY... NORTHEASTERN NORTHAMPTON COUNTY... EAST CENTRAL MONROE COUNTY... * UNTIL 530 PM EDT... * AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER EAST CENTRAL MONROE... NORTH CENTRAL WARREN AND NORTHEASTERN NORTHAMPTON COUNTIES. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DELAWARE WATER GAP...EAST BANGOR...EAST STROUDSBURG...STROUDSBURG...COLUMBIA AND STORMVILLE. 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 4098 7500 4085 7519 4097 7532 4107 7514 $$ ROBERTSON
4 follow-up statements
243
WGUS71 KPHI 262113
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
513 PM EDT SAT MAY 26 2012
NJC041-262121-
/O.CAN.KPHI.FF.W.0003.000000T0000Z-120526T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-
513 PM EDT SAT MAY 26 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTH CENTRAL
WARREN COUNTY...
THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND FLOOD WATERS
NO LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING HAS BEEN CANCELLED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
OF NORTH CENTRAL WARREN COUNTY.
LAT...LON 4107 7514 4095 7514 4092 7509 4085 7519
4097 7532
$$
PAC089-095-262130-
/O.CON.KPHI.FF.W.0003.000000T0000Z-120526T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE PA-NORTHAMPTON PA-
513 PM EDT SAT MAY 26 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
NORTHEASTERN NORTHAMPTON AND EAST CENTRAL MONROE COUNTIES...
AT 509 PM EDT...DOPPLER RADAR ESTIMATES CONTINUE TO INDICATE A
THUNDERSTORM PRODUCING FLASH FLOODING OVER EAST CENTRAL MONROE AND
NORTHEASTERN NORTHAMPTON COUNTIES.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
OF EAST CENTRAL MONROE AND NORTHEASTERN NORTHAMPTON COUNTIES.
ADDITIONAL RAINFALL AMOUNTS OF 1 INCH ARE POSSIBLE IN THE
WARNED AREA.
THERE ARE NUMEROUS ROAD CLOSURES AND MUD SLIDES WITH BASEMENTS
FLOODED IN HAMILTON TOWNSHIP AND NEAR EAST STROUDSBURG.
THIS WARNING WILL BE EXTENDED SHORTLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE BY CALLING YOUR LOCAL
LAW ENFORCEMENT OFFICIALS OR BY CALLING THE NATIONAL WEATHER SERVICE
TOLL FREE AT...1-877-633-6772.
&&
LAT...LON 4107 7514 4095 7514 4092 7509 4085 7519
4097 7532
$$656
WGUS51 KPHI 262120
FFWPHI
PAC089-095-270030-
/O.EXT.KPHI.FF.W.0003.000000T0000Z-120527T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
520 PM EDT SAT MAY 26 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
EAST CENTRAL MONROE COUNTY...
NORTHEASTERN NORTHAMPTON COUNTY...
* UNTIL 830 PM EDT...
* AT 514 PM EDT...FLASH FLOODING WAS REPORTED FROM THUNDERSTORMS
OVER EAST CENTRAL MONROE AND NORTHEASTERN NORTHAMPTON COUNTIES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
OF EAST CENTRAL MONROE AND NORTHEASTERN NORTHAMPTON COUNTIES.
ADDITIONAL RAINFALL AMOUNTS OF 1 INCH ARE POSSIBLE BETWEEN NOW AND
615 PM.
AT 5PM...THERE WERE NUMEROUS REPORTS OF FLOODING IN THE WARNED AREA
WITH RADAR ESTIMATES OF AT LEAST 4 INCHES IN STORMVILLE
STROUDSBURG. THIS IS A PARTICULARLY DANGEROUS SITUATION FOR NEXT
HOUR OR TWO IN THE WARNING AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
FLOODING IS OCCURRING. IT IS IMPORTANT TO KNOW WHERE YOU ARE
RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN
HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS.
IT TAKES ONLY A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY
VEHICLES AWAY.
&&
LAT...LON 4107 7514 4095 7514 4092 7509 4085 7519
4097 7532
$$
FORECASTER: DRAG743
WGUS71 KPHI 262252
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
652 PM EDT SAT MAY 26 2012
PAC089-095-270030-
/O.CON.KPHI.FF.W.0003.000000T0000Z-120527T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHAMPTON PA-MONROE PA-
652 PM EDT SAT MAY 26 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR EAST
CENTRAL MONROE AND NORTHEASTERN NORTHAMPTON COUNTIES...
AT 639 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED ROUTE 33
HAS REOPENED...HOWEVER...THERE MAY STILL BE SMALLER ROADS THAT MAY
BE CLOSED OR HAVE WATER COVERING THEM
WHILE THE HEAVIEST RAIN HAS ENDED...THERE MAY BE ADDITIONAL
RAINFALL LATER THIS EVENING.
SMALLER CREEKS AND STREAMS CONTINUE TO RISE...ALTHOUGH NONE HAVE
REPORTEDLY OVERFLOWED THEIR BANKS TO OUR KNOWLEDGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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...HAIL OR WIND DAMAGE BY CALLING YOUR LOCAL
LAW ENFORCEMENT OFFICIALS OR BY CALLING THE NATIONAL WEATHER SERVICE
TOLL FREE AT...1-877-633-6772.
LAT...LON 4107 7514 4095 7514 4092 7509 4085 7519
4097 7532
$$
ROBERTSON065
WGUS71 KPHI 262325
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
725 PM EDT SAT MAY 26 2012
PAC089-095-262335-
/O.CAN.KPHI.FF.W.0003.000000T0000Z-120527T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHAMPTON PA-MONROE PA-
725 PM EDT SAT MAY 26 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EAST CENTRAL MONROE
AND NORTHEASTERN NORTHAMPTON COUNTIES...
THE HEAVIEST RAIN HAS ENDED FOR THIS EVENING. SOME SMALLER CREEKS
AND STREAMS MAY CONTINUE TO RISE...BUT SHOULD BEGIN RECEEDING OVER
THE NEXT COUPLE OF HOURS.
MORE HEAVY RAINFALL IS POSSIBLE ON SUNDAY WHICH COULD CAUSE
ADDITIONAL FLOODING.
LAT...LON 4107 7514 4095 7514 4092 7509 4085 7519
4097 7532
$$
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, 2:42 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, 3:54 PM EDT | Flash Flood Warning | PHI | Carbon | 4 hr |
| 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 |
| May 26, 1:39 PM EDT | Special Weather Statement | PHI | Warren | 51 min |
| May 26, 1:42 PM EDT | Special Weather Statement | PHI | Sussex | 63 min |
| May 26, 2:28 PM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| May 26, 7:30 PM EDT | Special Weather Statement | PHI | Middlesex | 45 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2012Flash Flood Warnings in New Jersey, 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.