Alert archive / Pennsylvania / Tornado Warnings in 2020
Tornado Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Aug 2, 2020, 6:37 AM EDT for Berks County, Lehigh County, Pennsylvania. It was in force for 23 min. 5 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 2, 2020, 6:37 AM EDT (10:37 UTC)
- Expired
- Aug 2, 2020, 7:00 AM EDT
- In force
- 23 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Berks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 126 km from the middle of the area, began a volume at 10:38 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, 6:41 AM EDT | TSTM WND DMG | 2 Sw Lyons, PA | DOWNED TREES AND WIRES NEAR FLEETWOOD ROAD BETWEEN FLEETWOOD AND LYONS. TIME ESTIMATED FROM RADAR. |
| Aug 2, 6:45 AM EDT | TSTM WND DMG | 2 S Kutztown, PA | DOWNED TREES AND WIRES NEAR BALDY ROAD. TIME ESTIMATED FROM RADAR. |
| Aug 2, 6:48 AM EDT | TSTM WND DMG | 1 Ene Lyons, PA | DOWNED TREES AND WIRES NEAR SMOKETOWN ROAD IN LYONS. TIME ESTIMATED FROM RADAR. |
| Aug 2, 6:50 AM EDT | TSTM WND DMG | 2 Nw Topton, PA | DOWNED TREES AND WIRES NEAR HINTERLEITER ROAD. TIME ESTIMATED FROM RADAR. |
| Aug 2, 7:08 AM EDT | TSTM WND DMG | 1 S Ancient Oaks, PA | DOWNED TREES AND WIRES NEAR ASTER ROAD. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 10.6 hours before the alert went out and 221 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
- 878 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.7
The text
As transmitted.
742
WFUS51 KPHI 021037
TORPHI
PAC011-077-021100-
/O.NEW.KPHI.TO.W.0006.200802T1037Z-200802T1100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
637 AM EDT Sun Aug 2 2020
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
East central Berks County in eastern Pennsylvania...
South central Lehigh County in eastern Pennsylvania...
* Until 700 AM EDT.
* At 637 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Lyons, or 10 miles northeast of Reading, moving
northeast at 25 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...
Kutztown, Fleetwood, Topton, Lyons, Ancient Oaks, Macungie and
Alburtis.
This includes Interstate 78 in Pennsylvania between mile markers 49
and 50.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
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 4038 7581 4048 7587 4059 7564 4047 7551
TIME...MOT...LOC 1037Z 242DEG 20KT 4045 7578
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
JEO2 follow-up statements
105
WWUS51 KPHI 021044
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
644 AM EDT Sun Aug 2 2020
PAC011-077-021100-
/O.CON.KPHI.TO.W.0006.000000T0000Z-200802T1100Z/
Berks PA-Lehigh PA-
644 AM EDT Sun Aug 2 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM EDT FOR EAST
CENTRAL BERKS AND SOUTH CENTRAL LEHIGH COUNTIES...
At 644 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Lyons, or 13 miles northeast of Reading, moving
northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Fleetwood, Topton, Lyons, Ancient Oaks, Macungie and Alburtis.
This includes Interstate 78 in Pennsylvania between mile markers 49
and 50.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4041 7579 4047 7583 4059 7564 4047 7551
TIME...MOT...LOC 1044Z 242DEG 20KT 4047 7573
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
JEO390
WWUS51 KPHI 021059
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
659 AM EDT Sun Aug 2 2020
PAC011-077-021108-
/O.EXP.KPHI.TO.W.0006.000000T0000Z-200802T1100Z/
Berks PA-Lehigh PA-
659 AM EDT Sun Aug 2 2020
...THE TORNADO WARNING FOR EAST CENTRAL BERKS AND SOUTH CENTRAL
LEHIGH COUNTIES WILL EXPIRE AT 700 AM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However, a new
warning has been issued just east of the previous warning.
LAT...LON 4041 7579 4047 7583 4059 7564 4047 7551
TIME...MOT...LOC 1058Z 242DEG 20KT 4051 7564
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:32 AM EDT | Areal Flood Advisory | PHI | Berks | 4 hr |
| Aug 2, 4:42 AM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Aug 2, 6:30 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 45 min |
| Aug 2, 6:56 AM EDT | Tornado Warning | PHI | Berks, Lehigh | 34 min |
| Aug 2, 7:13 AM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 3 hr |
| Aug 2, 7:29 AM EDT | Special Weather Statement | PHI | Lehigh | 31 min |
| Aug 2, 7:34 AM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 3 hr |
| Aug 2, 7:39 AM EDT | Tornado Warning | PHI | Bucks, Lehigh, Northampton | 36 min |
| Aug 2, 7:49 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 84 min |
| Aug 2, 7:54 AM EDT | Special Weather Statement | PHI | Lehigh | 36 min |
| Aug 2, 8:24 AM EDT | Special Weather Statement | PHI | Lehigh | 36 min |
| Aug 2, 8:28 AM EDT | Areal Flood Warning | PHI | Berks | 3 hr |
| Aug 2, 8:46 AM EDT | Areal Flood Advisory | PHI | Northampton | 3 hr |
| Aug 2, 3:33 PM EDT | Flash Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 48 hr |
| Aug 2, 5:04 PM EDT | Tropical Storm Watch | PHI | Bucks, Delaware, Montgomery, Philadelphia | 18 hr |
| Aug 2, 5:14 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 31 min |
| Aug 2, 5:51 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 39 min |
| Aug 2, 6:29 PM EDT | Special Weather Statement | PHI | Northampton | 31 min |
Nearby
Tornado Warnings in Pennsylvania, 2020Every tornado warning in 2020Tornadoes in 2020
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.