Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 35, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 9, 2008, 9:41 AM EDT for Hunterdon County, Morris County, Somerset County, New Jersey; Bucks County, Pennsylvania. It was in force for 3 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
- Sep 9, 2008, 9:41 AM EDT (13:41 UTC)
- Expired
- Sep 9, 2008, 12:56 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 96 km from the middle of the area, began a volume at 13:41 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 |
|---|---|---|---|
| Sep 9, 11:00 AM EDT | FLASH FLOOD | Netcong, NJ | MINOR FLASH FLOODING REPORTED. TIME ESTIMATED. |
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, 1.7 hours before the alert went out and 163 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
- 34 J/kg
- Mixed-layer CIN
- -228 J/kg
- Mixed-layer LCL
- 1158 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 091341
FFWPHI
NJC019-027-035-PAC017-091745-
/O.NEW.KPHI.FF.W.0035.080909T1341Z-080909T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
941 AM EDT TUE SEP 9 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MORRIS COUNTY IN NORTHERN NEW JERSEY...
NORTHWESTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
NORTHWESTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
* UNTIL 145 PM EDT
* AT 936 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
HEAVY RAIN, ASSOCIATED WITH THUNDERSTORMS, MOVING ACROSS THE
REGION. BETWEEN 0.75 AN 1.50 INCHES OF RAIN CAN BE EXPECTED WITH
THE HEAVIER STORMS IN ABOUT ONE HOUR.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MILFORD...
GREEN POND...BASKING RIDGE...WHITE HOUSE STATION...SUCCASUNNA...
PEQUANNOCK TOWNSHIP...PEAPACK AND GLADSTONE...PARSIPPANY...
MORRISTOWN...LONG VALLEY...LEBANON...LAKE TELEMARK...KINNELON...
HIGH BRIDGE...GLEN GARDNER...FAR HILLS...DOVER...CLINTON...
CHESTER...CALIFON...BUDD LAKE...BOONTON AND ANNANDALE
THE SOILS REMAIN VERY MOIST DUE TO THE 3.00 TO 5.00 INCHES OF RAIN
TROPICAL STORM HANNA PRODUCED ON SATURDAY. BECAUSE OF THIS, RUNOFF
FROM WITH THIS MORNINGS RAINFALL WILL BE GREATER THAN NORMAL.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 4089 7433 4086 7433 4023 7517 4042 7549
4050 7541 4059 7526 4062 7520 4058 7519
4071 7497 4079 7485 4091 7478 4091 7465
4108 7450 4103 7449 4099 7429 4091 7427
$$
KRUZDLO2 follow-up statements
000
WGUS71 KPHI 091636
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1236 PM EDT TUE SEP 9 2008
NJC019-PAC017-091645-
/O.CAN.KPHI.FF.W.0035.000000T0000Z-080909T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-BUCKS PA-
1236 PM EDT TUE SEP 9 2008
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN BUCKS
AND HUNTERDON COUNTIES...
HEAVY RAIN ASSOCIATED WITH THE LINE OF THUNDERSTORMS HAS ENDED.
WHILE SOME LIGHT RAIN WILL CONTINUE THIS AFTERNOON, EXCESSIVE RUNOFF
IS NO LONGER EXPECTED. FOR THIS REASON, THE NATIONAL WEATHER SERVICE
HAS CANCELLED THE FLASH FLOOD WARNING.
LAT...LON 4089 7433 4085 7435 4057 7472 4062 7471
4066 7474 4067 7472 4071 7473 4073 7482
4077 7487 4090 7478 4091 7465 4108 7450
4103 7449 4099 7429 4091 7427
$$
NJC027-035-091745-
/O.CON.KPHI.FF.W.0035.000000T0000Z-080909T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-SOMERSET NJ-
1236 PM EDT TUE SEP 9 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR
NORTHWESTERN SOMERSET AND MORRIS COUNTIES...
A FLASH FLOOD WARNING REMAINS IN EFFECT. LOCATIONS IN THE WARNING
INCLUDE BUT ARE NOT LIMITED TO GREEN POND...SUCCASUNNA...PEQUANNOCK
TOWNSHIP...PARSIPPANY...MORRISTOWN...LONG VALLEY...LAKE
TELEMARK...KINNELON...DOVER...CHESTER...BUDD LAKE AND BOONTON
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 4089 7433 4085 7435 4057 7472 4062 7471
4066 7474 4067 7472 4071 7473 4073 7482
4077 7487 4090 7478 4091 7465 4108 7450
4103 7449 4099 7429 4091 7427
$$
KRUZDLO000
WGUS71 KPHI 091656
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1256 PM EDT TUE SEP 9 2008
NJC027-035-091706-
/O.CAN.KPHI.FF.W.0035.000000T0000Z-080909T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS NJ-SOMERSET NJ-
1256 PM EDT TUE SEP 9 2008
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
SOMERSET AND MORRIS COUNTIES...
HEAVY RAIN ASSOCIATED WITH THE LINE OF THUNDERSTORMS HAS ENDED.
WHILE SOME LIGHT RAIN WILL CONTINUE THIS AFTERNOON, EXCESSIVE RUNOFF
IS NO LONGER EXPECTED. FOR THIS REASON, THE NATIONAL WEATHER SERVICE
HAS CANCELLED THE FLASH FLOOD WARNING.
LAT...LON 4089 7433 4085 7435 4057 7472 4062 7471
4066 7474 4067 7472 4071 7473 4073 7482
4077 7487 4090 7478 4091 7465 4108 7450
4103 7449 4099 7429 4091 7427
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 3:36 AM EDT | Small Craft Advisory | PHI | 36 hr | |
| Sep 9, 9:09 AM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
| Sep 9, 9:21 AM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Hunterdon, Mercer, Morris, Salem, Somerset and 2 more | 39 min |
| Sep 9, 9:59 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 3 hr |
| Sep 9, 10:04 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 3 hr |
| Sep 9, 10:57 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 48 min |
| Sep 9, 11:07 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Salem | 38 min |
| Sep 9, 11:50 AM EDT | Special Marine Warning | PHI | 55 min | |
| Sep 9, 12:11 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 49 min |
| Sep 9, 12:44 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 46 min |
| Sep 9, 1:05 PM EDT | Special Marine Warning | PHI | 55 min | |
| Sep 9, 1:07 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 53 min |
| Sep 9, 1:55 PM EDT | Special Marine Warning | PHI | 65 min | |
| Sep 9, 1:58 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 92 min |
| Sep 9, 2:42 PM EDT | Areal Flood Advisory | PHI | Cape May | 3 hr |
| Sep 9, 2:53 PM EDT | Special Marine Warning | PHI | 86 min | |
| Sep 9, 8:40 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 50 min |
| Sep 9, 8:51 AM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 3 hr |
| Sep 9, 8:51 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Montgomery and 1 more | 39 min |
| Sep 9, 9:30 AM EDT | Flash Flood Warning | PHI | Chester, Montgomery | 3 hr |
Nearby
Flash Flood Warnings in New Jersey, 2008Flash Flood Warnings in Pennsylvania, 2008Every flash flood warning in 2008
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.