Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 138, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 14, 2005, 9:32 PM EDT for Lehigh County, Northampton County, Pennsylvania. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 14, 2005, 9:32 PM EDT (01:32 UTC)
- Expired
- Aug 14, 2005, 10:00 PM EDT
- In force
- 28 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 110 km from the middle of the area, began a volume at 01:35 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 14, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.5 hours before the alert went out and 214 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
- 1061 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 150132 SVRPHI PAC077-095-150200- /O.NEW.KPHI.SV.W.0138.050815T0132Z-050815T0200Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 932 PM EDT SUN AUG 14 2005 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL LEHIGH COUNTY IN EASTERN PENNSYLVANIA SOUTH CENTRAL NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA THIS INCLUDES THE CITY OF BETHLEHEM * UNTIL 1000 PM EDT * AT 931 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR HELLERTOWN...OR ABOUT NEAR BETHLEHEM...AND MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... OLD ORCHARD BY 945 PM EDT LAT...LON 4064 7548 4049 7544 4057 7530 4067 7519 $$ EBERWINE
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:31 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 44 min |
| Aug 14, 9:37 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 38 min |
| Aug 14, 9:43 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 32 min |
| Aug 14, 9:58 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 32 min |
| Aug 14, 10:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 46 min |
| Aug 14, 10:36 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 39 min |
| Aug 14, 10:38 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 52 min |
| Aug 15, 12:02 AM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 43 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2005Every severe thunderstorm 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.