Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 192, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 21, 2006, 7:07 PM EDT for Bucks County, Pennsylvania; Hunterdon County, New Jersey. It was in force for 29 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
- Jul 21, 2006, 7:07 PM EDT (23:07 UTC)
- Expired
- Jul 21, 2006, 7:36 PM EDT
- In force
- 29 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 23:09 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 |
|---|---|---|---|
| Jul 21, 7:20 PM EDT | TSTM WND DMG | Stockton, NJ | TREES AND POWER LINES DOWN IN DELAWARE TOWNSHIP. |
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, 11.1 hours before the alert went out and 190 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
- 173 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 212307 SVRPHI NJC019-PAC017-212345- /O.NEW.KPHI.SV.W.0192.060721T2307Z-060721T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 707 PM EDT FRI JUL 21 2006 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY CENTRAL BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA * UNTIL 745 PM EDT * AT 705 PM 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 6 MILES WEST OF STOCKTON...OR ABOUT 20 MILES SOUTHEAST OF BETHLEHEM...AND MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... STOCKTON BY 715 PM EDT... NEW HOPE BY 720 PM EDT... 7 MILES SOUTH OF FLEMINGTON 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. LAT...LON 4048 7518 4038 7516 4035 7488 4052 7481 $$ GORSE/AMC
1 follow-up statement
000 WWUS51 KPHI 212336 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 735 PM EDT FRI JUL 21 2006 NJC019-PAC017-212345- /O.CAN.KPHI.SV.W.0192.000000T0000Z-060721T2345Z/ HUNTERDON NJ-BUCKS PA- 735 PM EDT FRI JUL 21 2006 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BUCKS AND SOUTHERN HUNTERDON COUNTIES IS CANCELLED... HOWEVER...A FLASH FLOOD WARNING IS IN EFFECT UNTIL 1030 PM FOR SOUTHERN HUNTERDON COUNTY. LAT...LON 4048 7518 4038 7516 4035 7488 4052 7481 $$ AMC
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 2:56 PM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 37 hr |
| Jul 21, 2:54 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 36 min |
| Jul 21, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 26 min |
| Jul 21, 3:57 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 33 min |
| Jul 21, 5:08 PM EDT | Special Marine Warning | PHI | 52 min | |
| Jul 21, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 33 min |
| Jul 21, 5:33 PM EDT | Flash Flood Warning | PHI | Somerset | 3 hr |
| Jul 21, 6:56 PM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 3 hr |
| Jul 21, 7:31 PM EDT | Flash Flood Warning | PHI | Hunterdon | 3 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2006Severe Thunderstorm Warnings in New Jersey, 2006Every severe thunderstorm 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.