Alert archive / Pennsylvania / Flash Flood Warnings in 2006
Flash Flood Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at May 13, 2006, 1:07 PM EDT for Berks County, Pennsylvania. It was in force for 23 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 13, 2006, 1:07 PM EDT (17:07 UTC)
- Expired
- May 13, 2006, 1:30 PM EDT
- In force
- 23 min
- 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), 127 km from the middle of the area, began a volume at 17:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 13, 1:25 PM EDT | HEAVY RAIN 1.82 | 4 Nw Boyertown, PA | 1.82 INCHES OF RAIN FROM A THUNDERSTORM NEAR BOYERTOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 5.1 hours before the alert went out and 212 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
- 24 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1213 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 32 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 131708 FFWPHI PAC011-131730- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 107 PM EDT SAT MAY 13 2006 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA * UNTIL 130 PM EDT * AT 102 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LENHARTSVILLE...KUTZTOWN...HAMBURG AND FLEETWOOD. ADDITIONAL THUNDERSTORMS CONTINUE TO DEVELOP OVER SOUTHEAST BERKS COUNTY AND WERE MOVING NORTHWESTWARD OVER AREAS THAT ALREADY HAVE RECEIVED HEAVY RAINFALL. 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. TURN AROUND, DONT DROWN. LAT...LON 4020 7576 4043 7555 4062 7582 4054 7605 $$ STAUBER
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 1:07 PM EDT | Flash Flood Warning | PHI | Berks | 83 min |
| May 13, 2:26 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 34 min |
| May 13, 2:59 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 46 min |
| May 13, 4:18 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 13 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2006Every flash flood warning in 2006
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.