Alert archive / Maryland / Flash Flood Warnings in 2004
Flash Flood Warning 94, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 28, 2004, 2:36 PM EDT for Kent County, New Castle County, Delaware; Cecil County, Kent County, Queen Anne's County, Maryland. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 28, 2004, 2:36 PM EDT (18:36 UTC)
- Expired
- Sep 28, 2004, 5:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Kent County, DE, New Castle County, DE, Cecil County, MD, Kent County, MD, Queen Anne's County, MD
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.6 hours before the alert went out and 21 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
- 95 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 281838
FFWPHI
DEC001-003-MDC015-029-035-282130-
/X.NEW.KPHI.FF.W.0013.040928T1836Z-040928T2130Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
236 PM EDT TUE SEP 28 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN KENT COUNTY IN CENTRAL DELAWARE
CECIL COUNTY IN NORTHEAST MARYLAND
KENT COUNTY IN NORTHEAST MARYLAND
NORTHEASTERN QUEEN ANNES COUNTY IN NORTHEAST MARYLAND
NEW CASTLE COUNTY IN NORTHERN DELAWARE
THIS INCLUDES THE CITY OF NEWARK
* UNTIL 530 PM EDT
* AT 236 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAIN THROUGHOUT THE NORTHERN PORTIONS OF THE DELMARVA AREA
AND ADDITIONAL RAIN IS MOVING IN. ONE TO TWO INCHES OF RAIN PER
HOUR ARE POSSIBLE WHICH WILL RESULT IN FLOODING IN AREAS OF POOR
DRAINAGE AND ALONG SMALL STREAMS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ELKTON...
WILMINGTON MANOR...STANTON...NEWPORT...NEW CASTLE AND ELSMERE.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
LAT...LON 3951 7599 3954 7600 3958 7611 3965 7613
3979 7557 3966 7555 3962 7561 3959 7560
3960 7556 3947 7560 3934 7548 3921 7546
3903 7616 3910 7611 3910 7617 3931 7616
3937 7612 3937 7603
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 2:12 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 63 min |
| Sep 28, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 46 min |
| Sep 28, 4:01 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 44 min |
| Sep 28, 4:11 PM EDT | Tornado Warning | PHI | New Castle | 34 min |
| Sep 28, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 79 min |
| Sep 28, 5:30 PM EDT | Flash Flood Warning | PHI | Kent, New Castle, Sussex | 3 hr |
| Sep 28, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 67 min |
Nearby
Flash Flood Warnings in Maryland, 2004Flash Flood Warnings in Delaware, 2004Every flash flood warning in 2004
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.