Alert archive / Pennsylvania / Tornado Warnings in 2023
Tornado Warning 19, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Jul 2, 2023, 7:06 PM EDT for Chester County, Pennsylvania. It was in force for 24 min. 3 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
- Jul 2, 2023, 7:06 PM EDT (23:06 UTC)
- Expired
- Jul 2, 2023, 7:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Chester County, PA
The radar
The Dover AFB radar (KDOX), 124 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 2, 7:29 PM EDT | FUNNEL CLOUD | 1 Nne Lincoln Universit, PA | Spotter reports rotating wall cloud with funnel cloud at this location. |
| Jul 2, 7:29 PM EDT | FUNNEL CLOUD | 1 Nne Lincoln Universit, PA | Spotter reports rotating wall cloud with funnel cloud at this location. |
| Jul 2, 7:29 PM EDT | FUNNEL CLOUD | 1 Nne Lincoln Universit, PA | Spotter reports rotating wall cloud with funnel cloud at this location. |
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 |
|---|---|---|---|
| Jul 2, 4:31 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.1 hours before the alert went out and 158 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
- 137 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
449
WFUS51 KPHI 022306
TORPHI
PAC029-022330-
/O.NEW.KPHI.TO.W.0019.230702T2306Z-230702T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
706 PM EDT Sun Jul 2 2023
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
Southwestern Chester County in southeastern Pennsylvania...
* Until 730 PM EDT.
* At 705 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Mount Vernon, or 14 miles southeast of Willow
Street, moving east at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Oxford, West Grove, Homeville, Mount Vernon, Cochranville, South
Coatesville and Modena.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3983 7604 3983 7602 3987 7601 3987 7599
3992 7600 3993 7599 3996 7580 3978 7580
3980 7604 3981 7603
TIME...MOT...LOC 2305Z 268DEG 16KT 3986 7606
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Fitzsimmons2 follow-up statements
091
WWUS51 KPHI 022318
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
718 PM EDT Sun Jul 2 2023
PAC029-022330-
/O.CON.KPHI.TO.W.0019.000000T0000Z-230702T2330Z/
Chester PA-
718 PM EDT Sun Jul 2 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
SOUTHWESTERN CHESTER COUNTY...
At 718 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Homeville, or 15 miles northwest of Newark, moving
east at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Oxford, West Grove, Homeville and Mount Vernon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3980 7603 3983 7602 3984 7602 3987 7601
3987 7599 3989 7599 3989 7580 3978 7580
TIME...MOT...LOC 2318Z 279DEG 16KT 3983 7598
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Fitzsimmons587
WWUS51 KPHI 022326
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
726 PM EDT Sun Jul 2 2023
PAC029-022336-
/O.EXP.KPHI.TO.W.0019.000000T0000Z-230702T2330Z/
Chester PA-
726 PM EDT Sun Jul 2 2023
...THE TORNADO WARNING FOR SOUTHWESTERN CHESTER COUNTY WILL EXPIRE AT
730 PM EDT...
The Tornado Warning that was previously in effect has been reissued
for Chester County and is in effect until 8 PM. Please refer to that
bulletin for the latest severe weather information.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
southeastern Pennsylvania.
LAT...LON 3980 7603 3983 7602 3984 7602 3987 7601
3987 7599 3989 7599 3989 7580 3978 7580
TIME...MOT...LOC 2326Z 268DEG 16KT 3983 7594
$$
FitzsimmonsThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 52 min |
| Jul 2, 6:16 PM EDT | Tornado Warning | PHI | Berks, Lehigh | 29 min |
| Jul 2, 6:33 PM EDT | Tornado Warning | PHI | Berks, Chester, Montgomery | 27 min |
| Jul 2, 6:57 PM EDT | Tornado Warning | PHI | Berks, Chester, Montgomery | 9 min |
| Jul 2, 7:23 PM EDT | Areal Flood Advisory | PHI | Berks | 2 hr |
| Jul 2, 7:25 PM EDT | Tornado Warning | PHI | Chester | 35 min |
| Jul 2, 7:57 PM EDT | Tornado Warning | PHI | Chester | 33 min |
Nearby
Tornado Warnings in Pennsylvania, 2023Every tornado warning in 2023Tornadoes in 2023
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.