Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 218, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 25, 2007, 6:33 PM EDT for Monroe County, Pennsylvania. It was in force for 57 min. 2 reports 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, 6:33 PM EDT (22:33 UTC)
- Expired
- Aug 25, 2007, 7:30 PM EDT
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Monroe County, PA
The radar
The Philadelphia radar (KDIX), 137 km from the middle of the area, began a volume at 22:34 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 25, 7:06 PM EDT | TSTM WND DMG | Brodheadsville, PA | TREES AND WIRES DOWN. |
| Aug 25, 7:25 PM EDT | TSTM WND DMG | Stroudsburg, PA | TREES AND WIRES DOWN. |
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, 10.6 hours before the alert went out and 209 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 252234
SVRPHI
PAC089-252330-
/O.NEW.KPHI.SV.W.0218.070825T2233Z-070825T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
633 PM EDT SAT AUG 25 2007
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
* UNTIL 730 PM EDT
* AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. THIS
STORM WAS LOCATED 12 MILES SOUTHWEST OF JONAS...OR ABOUT 19
MILESNORTHWEST OF ALLENTOWN...AND MOVING EAST AT 20 MPH. PENNY
SIZED HAIL WAS ALREADY REPORTED IN LEHIGHTON.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
JONAS BY 700 PM EDT...
GILBERT BY 705 PM EDT...
ROSSLAND BY 710 PM EDT...
BRODHEADSVILLE BY 715 PM EDT...
SAYLORSBURG BY 720 PM EDT...
STORMVILLE...6 MILES SOUTH OF REEDERS AND 9 MILES SOUTH OF SCOTRUN
BY 730 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 4096 7514 4093 7521 4091 7525 4088 7528
4086 7533 4082 7548 4095 7557 4099 7550
4100 7551 4102 7549 4115 7532
TIME...MOT...LOC 2233Z 249DEG 18KT 4084 7565
$$
NIERENBERG1 follow-up statement
000
WWUS51 KPHI 252307
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
707 PM EDT SAT AUG 25 2007
PAC089-252330-
/O.CON.KPHI.SV.W.0218.000000T0000Z-070825T2330Z/
MONROE PA-
707 PM EDT SAT AUG 25 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHERN MONROE COUNTY...
AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR GILBERT...MOVING EAST AT 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
GILBERT AND ROSSLAND BY 710 PM EDT...
BRODHEADSVILLE BY 715 PM EDT...
SAYLORSBURG BY 725 PM EDT...
STORMVILLE BY 730 PM EDT...
THE THUNDERSTORM HAS HAD A HISTORY OF PRODUCING DAMAGING
WIND...HEAVY RAIN AND PENNY SIZE HAIL IN CARBON COUNTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
SATURDAY EVENING FOR NORTHEAST MARYLAND AND EASTERN PENNSYLVANIA.
LAT...LON 4096 7514 4093 7521 4091 7525 4088 7528
4086 7533 4082 7548 4095 7557 4099 7550
4100 7551 4102 7549 4115 7532
TIME...MOT...LOC 2305Z 249DEG 18KT 4090 7545
$$
IOVINOThe 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, 7:40 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 65 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.