Alert archive / Pennsylvania / Flash Flood Warnings in 2004
Flash Flood Warning 28, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 14, 2004, 6:46 PM EDT for Berks County, Pennsylvania. 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
- Jul 14, 2004, 6:46 PM EDT (22:46 UTC)
- Expired
- Jul 14, 2004, 10:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 138 km from the middle of the area, began a volume at 22:49 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.8 hours before the alert went out and 100 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
- 3 J/kg
- Mixed-layer CIN
- -233 J/kg
- Mixed-layer LCL
- 719 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 142248
FFWPHI
PAC011-150200-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
646 PM EDT WED JUL 14 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BERKS COUNTY IN EASTERN PENNSYLVANIA
THIS INCLUDES THE CITY OF READING
* UNTIL 1000 PM EDT
* A SERIES OF THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE TO MOVE
ACROSS THE SOUTHERN HALF OF THE COUNTY. STORM TOTALS HAVE REACHED
BETWEEN 2 AND 3 INCHES AND ADDITIONAL HEAVY RAIN IS EXPECTED
AS ANOTHER CLUSTER OF THUNDERSTORMS IN LEBANON COUNTY WILL MOVE
THROUGH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WERNERSVILLE...LEESPORT...KUTZTOWN AND BIRDSBORO.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.
LAT...LON 4039 7623 4025 7600 4018 7587 4043 7554
4054 7576
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 2:22 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 53 min |
| Jul 14, 3:05 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Philadelphia | 76 days |
| Jul 14, 3:12 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 63 min |
| Jul 14, 4:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 65 min |
| Jul 14, 4:24 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 66 min |
| Jul 14, 4:44 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 61 min |
| Jul 14, 5:01 PM EDT | Tornado Warning | PHI | Montgomery | 29 min |
| Jul 14, 5:17 PM EDT | Special Marine Warning | PHI | 103 min | |
| Jul 14, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 64 min |
| Jul 14, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 61 min |
| Jul 14, 5:51 PM EDT | Flash Flood Warning | PHI | Bucks | 2 hr |
| Jul 14, 6:01 PM EDT | Special Marine Warning | PHI | 74 min | |
| Jul 14, 6:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 14, 6:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 14, 7:00 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 14, 7:38 PM EDT | Special Marine Warning | PHI | 82 min | |
| Jul 14, 7:38 PM EDT | Special Marine Warning | PHI | 82 min |
Nearby
Flash Flood Warnings in Pennsylvania, 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; radar from the NEXRAD Level II archive.