Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 196, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2008, 10:29 AM EDT for 4 counties in Pennsylvania. It was in force for 44 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 2, 2008, 10:29 AM EDT (14:29 UTC)
- Expired
- Aug 2, 2008, 11:13 AM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 146 km from the middle of the area, began a volume at 14:30 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 2, 10:30 AM EDT | HAIL 0.5 | 4 S Lehighton, PA | PEA TO DIME SIZE HAIL IN EAST PENN TWP. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 2.5 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
- 84 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1436 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 65 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 021429
SVRPHI
PAC025-077-089-095-021530-
/O.NEW.KPHI.SV.W.0196.080802T1429Z-080802T1530Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1029 AM EDT SAT AUG 2 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
WEST CENTRAL NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
CARBON COUNTY IN NORTHEAST PENNSYLVANIA...
SOUTHWESTERN MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
* UNTIL 1130 AM EDT
* AT 1025 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
LEHIGHTON...AND MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PALMERTON BY 1035 AM...
BELTZVILLE STATE PARK AND BERLINSVILLE BY 1040 AM...
DANIELSVILLE...6 MILES SOUTH OF PENN FOREST RESERVOIR AND 7 MILES
NORTH OF BEERSVILLE BY 1045 AM...
8 MILES SOUTH OF JONAS BY 1050 AM...
ROSSLAND...GILBERT AND BRODHEADSVILLE BY 1055 AM...
LAT...LON 4114 7546 4077 7527 4063 7581 4071 7584
4073 7579 4074 7578 4081 7588 4084 7589
TIME...MOT...LOC 1429Z 253DEG 32KT 4080 7570
$$
JJM1 follow-up statement
000
WWUS51 KPHI 021513
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1113 AM EDT SAT AUG 2 2008
PAC025-077-089-095-021523-
/O.CAN.KPHI.SV.W.0196.000000T0000Z-080802T1530Z/
LEHIGH PA-NORTHAMPTON PA-CARBON PA-MONROE PA-
1113 AM EDT SAT AUG 2 2008
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MONROE...
CARBON...WEST CENTRAL NORTHAMPTON AND NORTHWESTERN LEHIGH COUNTIES IS
CANCELLED...
THE SEVERE THUNDERSTORM HAS WEAKENED AND MOVED AWAY FROM THE
AFFECTED AREA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT
SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND SOUTHEASTERN PENNSYLVANIA.
LAT...LON 4114 7546 4077 7527 4063 7581 4071 7584
4073 7579 4074 7578 4081 7588 4084 7589
TIME...MOT...LOC 1513Z 253DEG 32KT 4091 7520
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 55 min |
| Aug 2, 6:19 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 56 min |
| Aug 2, 6:51 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 54 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2008Every severe thunderstorm warning in 2008
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.