Alert archive / Maryland / Flash Flood Warnings in 2012
Flash Flood Warning 15, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 22, 2012, 8:15 PM EDT for Salem County, New Jersey; Cecil County, Kent County, Queen Anne's County, Maryland; Kent County, New Castle County, Delaware. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 22, 2012, 8:15 PM EDT (00:15 UTC)
- Expired
- Jun 22, 2012, 9:08 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kent County, DE, New Castle County, DE, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 61 km from the middle of the area, began a volume at 00:18 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.3 hours before the alert went out and 160 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
- 1073 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1341 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
737
WGUS51 KPHI 230015
FFWPHI
DEC001-003-MDC015-029-035-NJC033-230215-
/O.NEW.KPHI.FF.W.0015.120623T0015Z-120623T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
815 PM EDT FRI JUN 22 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN NEW CASTLE COUNTY...
SOUTHEASTERN CECIL COUNTY...
NORTHEASTERN KENT COUNTY...
NORTHERN KENT COUNTY...
NORTHEASTERN QUEEN ANNE'S COUNTY...
SOUTHWESTERN SALEM COUNTY...
* UNTIL 1015 PM EDT...
* AT 813 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM THUNDERSTORMS OVER NORTHEASTERN KENT...
NORTHEASTERN QUEEN ANNE'S...NORTHERN KENT...SOUTHEASTERN CECIL...
SOUTHERN NEW CASTLE AND SOUTHWESTERN SALEM COUNTIES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CHESWOLD...
CLAYTON...MIDDLETOWN...SMYRNA...CECILTON...MILLINGTON...
SUDLERSVILLE...DELANEY CORNER...GREEN SPRING...WOODLAND BEACH...
BOHEMIAS MILLS...MASSEY...SASSAFRAS...WARWICK AND HANCOCKS BRIDGE.
UP TO THREE INCHES OF QUICK FALLING RAIN IS 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.
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 3947 7590 3950 7556 3946 7558 3942 7553
3945 7551 3946 7555 3950 7555 3952 7544
3938 7542 3944 7550 3942 7553 3937 7551
3932 7543 3926 7539 3922 7539 3918 7590
$$
KRUZDLO1 follow-up statement
794
WGUS71 KPHI 230108
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
908 PM EDT FRI JUN 22 2012
DEC001-003-MDC015-029-035-NJC033-230118-
/O.CAN.KPHI.FF.W.0015.000000T0000Z-120623T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE DE-CECIL MD-KENT MD-KENT DE-QUEEN ANNE'S MD-SALEM NJ-
908 PM EDT FRI JUN 22 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN
SALEM...NORTHEASTERN QUEEN ANNE'S...NORTHERN KENT...NORTHEASTERN
KENT...SOUTHEASTERN CECIL AND SOUTHERN NEW CASTLE COUNTIES...
THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND FLOOD WATERS
NO LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING HAS BEEN CANCELLED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIDDLETOWN.
LAT...LON 3947 7590 3950 7556 3946 7558 3942 7553
3945 7551 3946 7555 3950 7555 3952 7544
3938 7542 3944 7550 3942 7553 3937 7551
3932 7543 3926 7539 3922 7539 3918 7590
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 8:00 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 45 min |
| Jun 22, 8:19 PM EDT | Flash Flood Warning | PHI | Cumberland, Gloucester, Salem | 70 min |
| Jun 22, 8:27 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 45 min |
| Jun 22, 8:28 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jun 22, 8:59 PM EDT | Special Weather Statement | PHI | Cape May | 61 min |
| Jun 22, 9:14 PM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more | 61 min |
| Jun 22, 9:15 PM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May, Cumberland, Gloucester | 2 hr |
| Jun 22, 9:34 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Monmouth, Ocean | 116 min |
| Jun 22, 9:02 PM EDT | Special Weather Statement | PHI | Kent | 58 min |
| Jun 22, 9:29 PM EDT | Special Weather Statement | PHI | Sussex | 61 min |
| Jun 22, 9:57 PM EDT | Special Weather Statement | PHI | Sussex | 63 min |
| Jun 22, 10:50 PM EDT | Special Weather Statement | PHI | Sussex | 85 min |
Nearby
Flash Flood Warnings in Maryland, 2012Flash Flood Warnings in Delaware, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.