Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 219, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 25, 2007, 7:40 PM EDT for Carbon County, Pennsylvania. It was in force for 65 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
- Aug 25, 2007, 7:40 PM EDT (23:40 UTC)
- Expired
- Aug 25, 2007, 8:45 PM EDT
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Carbon County, PA
The radar
The Binghamton radar (KBGM), 141 km from the middle of the area, began a volume at 23:40 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 |
|---|---|---|---|
| Aug 25, 8:00 PM EDT | TSTM WND DMG | 3 Ne New Mahoning, PA | TREES AND WIRES DOWN IN MAHONING TOWNSHIP. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 25, 5:58 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.7 hours before the alert went out and 237 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
- 1539 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 777 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 124 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 252340
SVRPHI
PAC025-260045-
/O.NEW.KPHI.SV.W.0219.070825T2340Z-070826T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
740 PM EDT SAT AUG 25 2007
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CARBON COUNTY IN NORTHEAST PENNSYLVANIA...
* UNTIL 845 PM EDT
* AT 737 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. THIS
STORM WAS LOCATED 15 MILES WEST OF NEW MAHONING...OR ABOUT 27 MILES
NORTH OF READING...AND MOVING NORTHEAST AT 40 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
NEW MAHONING BY 755 PM EDT...
NESQUEHONING BY 800 PM EDT...
JIM THORPE...LEHIGHTON AND 6 MILES SOUTHEAST OF WEATHERLY BY 805 PM
EDT...
CHRISTMANS AND BELTZVILLE STATE PARK BY 815 PM EDT...
PENN FOREST RESERVOIR AND ALBRIGHTSVILLE BY 820 PM EDT...
6 MILES SOUTHEAST OF LAKE HARMONY BY 825 PM EDT...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SATURDAY EVENING FOR NORTHEAST MARYLAND AND EASTERN PENNSYLVANIA.
LAT...LON 4108 7560 4096 7554 4094 7557 4086 7550
4082 7548 4078 7568 4075 7577 4091 7599
4098 7585 4100 7576 4102 7575 4104 7576
4112 7563
TIME...MOT...LOC 2340Z 237DEG 38KT 4074 7604
$$
NIERENBERGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 6:17 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 58 min |
| Aug 25, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 63 min |
| Aug 25, 6:33 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 57 min |
| Aug 25, 7:53 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 67 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2007Every severe thunderstorm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.