Alert archive / Pennsylvania / Flash Flood Warnings in 2007
Flash Flood Warning 22, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 19, 2007, 11:14 PM EDT for Berks County, Pennsylvania. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 19, 2007, 11:14 PM EDT (03:14 UTC)
- Expired
- Jun 20, 2007, 3:15 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Berks County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 3.2 hours before the alert went out and 206 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
- 1609 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1522 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 200315
FFWPHI
PAC011-200715-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1114 PM EDT TUE JUN 19 2007
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA...
* UNTIL 315 AM EDT
* AT 1112 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM THAT WAS EXITING THE WARNED AREA
WILL CAUSE FLOODING IN EASTERN BERKS COUNTY, ESPECIALLY BUT NOT
EXCLUSIVELY NEAR IRONSTONE CREEK.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KUTZTOWN
ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH OF RAIN ARE POSSIBLE IN
THE WARNED AREA AS MORE THUNDERSTORMS WERE APPROACHING AT 1110 PM.
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.
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 4018 7592 4017 7586 4032 7564 4042 7553
4058 7576
$$
MPD1 follow-up statement
000
WGUS71 KPHI 200615
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
215 AM EDT WED JUN 20 2007
PAC011-200625-
BERKS PA-
215 AM EDT WED JUN 20 2007
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN BERKS
COUNTY...
HEAVY RAIN HAD MOVED EAST OF THE AREA AS OF 210 AM. ADDITIONAL SHOWERS
AND THUNDERSTORMS ARE POSSIBLE OVERNIGHT, BUT THEY ARE NOT EXPECTED TO
CAUSE ANY ADDITIONAL RISK OF FLOODING.
LAT...LON 4018 7592 4017 7586 4032 7564 4042 7553
4058 7576
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:01 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 59 min |
| Jun 19, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Montgomery | 57 min |
| Jun 19, 8:49 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 56 min |
| Jun 19, 11:34 PM EDT | Flash Flood Warning | PHI | Montgomery | 4 hr |
| Jun 19, 11:50 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 55 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2007Every flash flood warning in 2007
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.