Alert archive / Pennsylvania / Flash Flood Warnings in 2005
Flash Flood Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Apr 7, 2005, 10:30 PM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 5 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
- Apr 7, 2005, 10:30 PM EDT (02:30 UTC)
- Expired
- Apr 8, 2005, 3:00 AM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Berks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 133 km from the middle of the area, began a volume at 02:34 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.5 hours before the alert went out and 211 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
- 55 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 801 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KPHI 080231 FFWPHI PAC011-077-080700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1030 PM EDT THU APR 7 2005 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... BERKS COUNTY IN EASTERN PENNSYLVANIA LEHIGH COUNTY IN EASTERN PENNSYLVANIA * UNTIL 300 AM EDT * AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED RAINFALL TOTALS AROUND ONE INCH IN MUCH OF BERKS COUNTY AND IN PARTS OF LEHIGH COUNTY. MODERATE TO HEAVY RAIN WILL CONTINUE IN THE TWO COUNTIES UNTIL SHORTLY AFTER MIDNIGHT WITH AN ADDITIONAL HALF INCH OF RAIN EXPECTED. FLOODING IS LIKELY ALONG SMALL STREAMS AND CREEKS AND IN AREAS OF POOR DRAINAGE. IF YOU LIVE NEAR A SMALL STREAM OR CREEK OR NEAR AN AREA OF POOR DRAINAGE, KEEP WATCH ON THE WATER LEVELS DURING THE NEXT FEW HOURS. DO NOT DRIVE THROUGH FLOOD WATERS, THE WATER MAY BE DEEPER THAN YOU THINK IT IS. LAT...LON 4018 7591 4053 7541 4074 7565 4048 7633 $$ IOVINO
1 follow-up statement
000 WGUS71 KPHI 080506 FFSPHI FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 105 AM EDT FRI APR 8 2005 PAC011-077-080700- BERKS PA-LEHIGH PA- 105 AM EDT FRI APR 8 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 300 AM EDT FOR BERKS COUNTY AND LEHIGH COUNTY... AT 100 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED RAINFALL OF AN INCH TO AN INCH AND A HALF IN MUCH OF BERKS COUNTY AND LEHIGH COUNTY. AT 100 AM EDT...THE RAIN WAS MOVING OUT OF THE TWO COUNTIES. LITTLE ADDITIONAL RAINFALL IS ANTICIPATED. HOWEVER, RUNOFF FROM THE MODERATE TO HEAVY RAIN DURING THE PAST FEW HOURS MAY CONTINUE TO RESULT IN FLOODING ALONG SMALL STREAMS AND CREEKS AND IN AREAS OF POOR DRAINAGE FOR THE NEXT COUPLE OF HOURS. AS A RESULT, THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT UNTIL 300 AM AT WHICH TIME IT WILL BE ALLOWED TO EXPIRE. LAT...LON 4018 7591 4053 7541 4074 7565 4048 7633 $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 11:25 PM EDT | Flash Flood Warning | PHI | Bucks, Northampton | 6 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2005Every flash flood warning in 2005
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.