Alert archive / New Jersey / Flash Flood Warnings in 2011
Flash Flood Warning 43, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 27, 2011, 11:37 PM EDT for New Castle County, Delaware; 5 counties in Pennsylvania; 12 counties in New Jersey. It was in force for 12 hr. 2 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
- Aug 27, 2011, 11:37 PM EDT (03:37 UTC)
- Expired
- Aug 28, 2011, 11:30 AM EDT
- In force
- 12 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties New Castle County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Somerset County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 28, 7:00 AM EDT | FLOOD | Hightstown, NJ | PEDDIE LAKE OUT OF ITS BANKS. MAJOR FLOODING IN DOWNTOWN HIGHTSTOWN. |
| Aug 28, 8:12 AM EDT | FLOOD | Glendora, NJ | BIG TIMBER CREEK FLOODED ONTO CHEEWS LANDING AND LOWER LANDING ROADS |
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 00:00Z, 3.6 hours before the alert went out and 182 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
- 957 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 466 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
238
WGUS51 KPHI 280337
FFWPHI
DEC003-NJC001-005-007-009-011-015-019-021-023-025-029-035-PAC017-029-
045-091-101-280930-
/O.NEW.KPHI.FF.W.0043.110828T0337Z-110828T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1137 PM EDT SAT AUG 27 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HUNTERDON COUNTY...
SOMERSET COUNTY...
NORTHEASTERN CUMBERLAND COUNTY...
CAMDEN COUNTY...
GLOUCESTER COUNTY...
MERCER COUNTY...
MIDDLESEX COUNTY...
DELAWARE COUNTY...
PHILADELPHIA COUNTY...
CHESTER COUNTY...
MONTGOMERY COUNTY...
BUCKS COUNTY...
MONMOUTH COUNTY...
NORTHERN NEW CASTLE COUNTY...
NORTHEASTERN CAPE MAY COUNTY...
OCEAN COUNTY...
ATLANTIC COUNTY...
BURLINGTON COUNTY...
* UNTIL 530 AM EDT...
* AT 1130 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM HURRICANE IRENE OVER PORTIONS OF ATLANTIC...
BUCKS...BURLINGTON...CAMDEN...CHESTER...DELAWARE...GLOUCESTER...
HUNTERDON...MERCER...MIDDLESEX...MONMOUTH...MONTGOMERY...
NORTHEASTERN CAPE MAY...NORTHEASTERN CUMBERLAND...NORTHERN NEW
CASTLE...OCEAN...PHILADELPHIA AND SOMERSET COUNTIES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ATLANTIC
CITY...CAMDEN...NEW BRUNSWICK...PERTH AMBOY...SOMERVILLE...TOMS
RIVER...TRENTON...VINELAND...PHILADELPHIA...WEST CHESTER AND SANDY
HOOK.
TWO TO FIVE INCHES OF RAIN HAVE ALREADY FALLEN ACROSS THE WARNED
AREA. ADDITIONAL RAINFALL AMOUNTS OF ONE TO FOUR INCHES ARE EXPECTED
THROUGH ABOUT 530 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1-877-633-6772.
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.
&&
LAT...LON 3968 7412 3951 7426 3953 7440 3945 7429
3912 7471 3974 7523 3978 7543 3974 7548
3972 7615 3987 7601 4009 7595 4072 7492
4057 7421 4057 7420 4055 7424 4045 7422
4042 7399 4047 7401 4043 7396
$$
KRUZDLO2 follow-up statements
314
WGUS71 KPHI 280635
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
235 AM EDT SUN AUG 28 2011
DEC003-NJC001-005-007-009-011-015-019-021-023-025-029-035-PAC017-029-
045-091-101-280930-
/O.CON.KPHI.FF.W.0043.000000T0000Z-110828T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-SOMERSET NJ-CUMBERLAND NJ-CAMDEN NJ-GLOUCESTER NJ-
MERCER NJ-MIDDLESEX NJ-DELAWARE PA-PHILADELPHIA PA-CHESTER
PA-MONTGOMERY PA-BUCKS PA-MONMOUTH NJ-NEW CASTLE DE-CAPE MAY
NJ-OCEAN NJ-ATLANTIC NJ-BURLINGTON NJ-
235 AM EDT SUN AUG 28 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM EDT FOR
BURLINGTON...ATLANTIC...OCEAN...NORTHEASTERN CAPE MAY...NORTHERN NEW
CASTLE...MONMOUTH...BUCKS...MONTGOMERY...CHESTER...PHILADELPHIA...
DELAWARE...MIDDLESEX...MERCER...GLOUCESTER...CAMDEN...NORTHEASTERN
CUMBERLAND...SOMERSET AND HUNTERDON COUNTIES...
AT 218 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
BANDS OF VERY HEAVY RAIN FROM IRENE CONTINUING TO CIRCULATE AND
REDEVELOP OVER SOUTHERN AND CENTRAL NEW JERSEY AS WELL AS
SOUTHEASTERN PENNSYLVANIA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ATLANTIC
CITY...CAMDEN...NEW BRUNSWICK...PERTH AMBOY...SOMERVILLE...TOMS
RIVER...TRENTON...PHILADELPHIA...WEST CHESTER AND SANDY HOOK.
THREE TO SEVEN INCHES OF RAIN HAVE ALREADY FALLEN ACROSS THE WARNED
AREA. ADDITIONAL RAINFALL AMOUNTS OF TWO TO THREE INCHES ARE
EXPECTED THROUGH ABOUT DAYBREAK.
FLOODING IS ALREADY EXTENSIVE AND WILL ONLY GET WORSE. IN NEW
JERSEY, MAJOR FLOODING IS EXPECTED ALONG PORTIONS OF RANCOCAS CREEK.
MAJOR FLOODING IS EXPECTED ALONG PORTIONS OF THE COOPER RIVER.
RACCOON CREEK AT SWEDESBORO IS ABOVE FLOOD STAGE. THE NORTH BRANCH
METEDECONK AT LAKEWOOD IS ABOVE FLOOD STAGE. THE MANASQUAN RIVER AT
SQUANKUM IS ABOVE FLOOD STAGE. BIG BROOK IN MARLBORO IS RISING
RAPIDLY AS IS STONEY BROOK IN PRINCETON. MAJOR FLOODING IS EXPECTED
ALONG PORTIONS OF THE ASSUNPINK RIVER. IN PENNSYLVANIA, FRENCH
CREEK AT PHOENIXVILLE IS ABOVE FLOOD STAGE. MAJOR FLOODING IS
EXPECTED ALONG PORTIONS OF THE BRANDYWINE CREEK, CHESTER CREEK,
VALLEY CREEK, CRUM CREEK, EAST BRANCH PERKIOMEN CREEK, FRANKFORD
CREEK. RIDLEY CREEK IS RISING RAPIDLY. LITTLE NESHAMINY CREEK IS
ABOVE FLOOD STAGE AS IS THE WISSAHICKON CREEK IN WISSAHICKON.
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 3968 7412 3951 7426 3953 7440 3945 7429
3912 7471 3974 7523 3978 7543 3974 7548
3972 7615 3987 7601 4009 7595 4072 7492
4057 7421 4057 7420 4055 7424 4045 7422
4042 7399 4047 7401 4043 7396
$$
KRUZDLO898
WGUS51 KPHI 280926
FFWPHI
DEC003-NJC001-005-007-009-011-015-019-021-023-025-029-035-PAC017-029-
045-091-101-281530-
/O.EXT.KPHI.FF.W.0043.000000T0000Z-110828T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
526 AM EDT SUN AUG 28 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
HUNTERDON COUNTY...
SOMERSET COUNTY...
NORTHEASTERN CUMBERLAND COUNTY...
CAMDEN COUNTY...
GLOUCESTER COUNTY...
MERCER COUNTY...
MIDDLESEX COUNTY...
DELAWARE COUNTY...
PHILADELPHIA COUNTY...
CHESTER COUNTY...
MONTGOMERY COUNTY...
BUCKS COUNTY...
MONMOUTH COUNTY...
NORTHERN NEW CASTLE COUNTY...
NORTHEASTERN CAPE MAY COUNTY...
OCEAN COUNTY...
ATLANTIC COUNTY...
BURLINGTON COUNTY...
* UNTIL 1130 AM EDT...
* AT 518 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
BANDS OF VERY HEAVY RAIN FROM IRENE CONTINUING TO CIRCULATE OVER
SOUTHERN AND CENTRAL NEW JERSEY AS WELL AS SOUTHEASTERN
PENNSYLVANIA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ATLANTIC
CITY...CAMDEN...NEW BRUNSWICK...PERTH AMBOY...SOMERVILLE...TOMS
RIVER...TRENTON...PHILADELPHIA...WEST CHESTER AND SANDY HOOK.
THREE TO EIGHT INCHES OF RAIN HAVE ALREADY FALLEN ACROSS THE WARNED
AREA. ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE
EXPECTED THROUGH ABOUT MIDDAY.
FLOODING IS EXTENSIVE. IN NEW JERSEY, MAJOR FLOODING IS EXPECTED
ALONG PORTIONS OF RANCOCAS CREEK. MAJOR FLOODING IS EXPECTED ALONG
PORTIONS OF THE COOPER RIVER. RACCOON CREEK AT SWEDESBORO IS ABOVE
FLOOD STAGE. THE NORTH BRANCH METEDECONK AT LAKEWOOD IS ABOVE FLOOD
STAGE. THE MANASQUAN RIVER AT SQUANKUM IS ABOVE FLOOD STAGE. BIG
BROOK IN MARLBORO IS RISING RAPIDLY AS IS STONEY BROOK IN PRINCETON.
MAJOR FLOODING IS EXPECTED ALONG PORTIONS OF THE ASSUNPINK RIVER. IN
PENNSYLVANIA, FRENCH CREEK AT PHOENIXVILLE IS ABOVE FLOOD STAGE.
MAJOR FLOODING IS EXPECTED ALONG PORTIONS OF THE BRANDYWINE CREEK,
CHESTER CREEK, VALLEY CREEK, CRUM CREEK, EAST BRANCH PERKIOMEN
CREEK, FRANKFORD CREEK. RIDLEY CREEK IS RISING RAPIDLY. LITTLE
NESHAMINY CREEK IS ABOVE FLOOD STAGE AS IS THE WISSAHICKON CREEK IN
WISSAHICKON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1-877-633-6772.
&&
LAT...LON 3968 7412 3951 7426 3953 7440 3945 7429
3912 7471 3974 7523 3978 7543 3974 7548
3972 7615 3987 7601 4009 7595 4072 7492
4057 7421 4057 7420 4055 7424 4045 7422
4042 7399 4047 7401 4043 7396
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 8:28 PM EDT | Flash Flood Warning | PHI | Kent, New Castle, Sussex | 12 hr |
| Aug 27, 8:33 PM EDT | Tornado Warning | PHI | Kent, Sussex | 27 min |
| Aug 27, 8:49 PM EDT | Tornado Warning | PHI | Kent | 26 min |
| Aug 27, 9:46 PM EDT | Tornado Warning | PHI | New Castle | 29 min |
| Aug 27, 10:14 PM EDT | Tornado Warning | PHI | New Castle | 31 min |
| Aug 28, 7:07 AM EDT | Areal Flood Warning | PHI | Kent, Sussex | 12 hr |
| Aug 28, 8:09 AM EDT | Areal Flood Warning | PHI | New Castle | 12 hr |
| Aug 28, 11:07 AM EDT | Areal Flood Warning | PHI | New Castle | 18 hr |
| Aug 28, 7:03 PM EDT | Areal Flood Warning | PHI | Sussex | 22 hr |
| Aug 27, 9:29 PM EDT | Tornado Warning | PHI | Delaware | 31 min |
| Aug 27, 9:43 PM EDT | Areal Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 6 hr |
| Aug 27, 9:58 PM EDT | River Flood Warning | PHI | Monroe, Northampton | 48 hr |
| Aug 27, 9:58 PM EDT | River Flood Warning | PHI | Monroe, Northampton | 17 hr |
| Aug 27, 10:23 PM EDT | Tornado Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 37 min |
| Aug 27, 10:36 PM EDT | Tornado Warning | PHI | Bucks, Montgomery, Philadelphia | 24 min |
| Aug 27, 11:21 PM EDT | Areal Flood Warning | PHI | Carbon, Monroe | 6 hr |
| Aug 27, 11:22 PM EDT | Tornado Warning | PHI | Bucks, Montgomery | 23 min |
| Aug 28, 3:50 AM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 10 hr |
| Aug 28, 5:17 AM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 10 hr |
| Aug 28, 1:27 PM EDT | Areal Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 8 hr |
| Aug 28, 3:23 PM EDT | Areal Flood Warning | PHI | Carbon, Monroe | 8 hr |
| Aug 28, 6:47 PM EDT | River Flood Warning | PHI | Lehigh | 2 hr |
| Aug 27, 8:41 PM EDT | Tornado Warning | PHI | Atlantic | 34 min |
| Aug 27, 9:03 PM EDT | Tornado Warning | PHI | Burlington, Ocean | 27 min |
| Aug 27, 9:08 PM EDT | Tornado Warning | PHI | Atlantic, Cape May, Cumberland | 37 min |
| Aug 27, 9:56 PM EDT | Special Marine Warning | PHI | 19 min | |
| Aug 27, 10:08 PM EDT | Tornado Warning | PHI | Burlington, Ocean | 37 min |
| Aug 27, 10:11 PM EDT | River Flood Warning | PHI | Passaic | 4 days |
| Aug 27, 10:56 PM EDT | Tornado Warning | PHI | Mercer, Monmouth, Ocean | 34 min |
| Aug 27, 11:52 PM EDT | Special Marine Warning | PHI | 23 min | |
| Aug 28, 12:55 AM EDT | Special Weather Statement | PHI | Atlantic, Cumberland | 65 min |
| Aug 28, 2:40 AM EDT | Tornado Warning | PHI | Mercer, Monmouth, Ocean | 35 min |
Nearby
Flash Flood Warnings in New Jersey, 2011Flash Flood Warnings in Pennsylvania, 2011Flash Flood Warnings in Delaware, 2011Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.