Alert archive / Pennsylvania / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jun 30, 2021, 8:16 PM EDT for Bucks County, Montgomery County, Pennsylvania. It was in force for 44 min. 8 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
- Jun 30, 2021, 8:16 PM EDT (00:16 UTC)
- Expired
- Jun 30, 2021, 9:00 PM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Bucks County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 104 km from the middle of the area, began a volume at 00:16 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 |
|---|---|---|---|
| Jun 30, 8:29 PM EDT | TSTM WND DMG | 2 Ese Richlandtown, PA | DOWNED TREES AND WIRES NEAR THATCHER ROAD. TIME ESTIMATED FROM RADAR. |
| Jun 30, 8:29 PM EDT | TSTM WND DMG | 2 Nnw East Rockhill Twp, PA | DOWNED TREES AND WIRES NEAR STERNER MILL ROAD. TIME ESTIMATED FROM RADAR. |
| Jun 30, 8:36 PM EDT | TSTM WND DMG | 1 Sw Kulpsville, PA | DOWNED TREE ON KRIEBEL ROAD NEAR BUSTARD ROAD. TIME ESTIMATED FROM RADAR. |
| Jun 30, 8:37 PM EDT | TSTM WND DMG | 3 W Bedminster, PA | SEVERAL REPORTS OF DOWNED TREES AND WIRES NEAR NORTH RIDGE ROAD. TIME ESTIMATED FROM RADAR. |
| Jun 30, 8:39 PM EDT | TSTM WND DMG | 1 Ene East Rockhill Twp, PA | DOWNED TREES AND WIRES NEAR DUBLIN PIKE AND 5TH STREET. TIME ESTIMATED FROM RADAR. |
| Jun 30, 8:41 PM EDT | TSTM WND DMG | 1 Sw Dublin, PA | DOWNED TREES AND WIRES NEAR DUBLIN ROAD. TIME ESTIMATED FROM RADAR. |
| Jun 30, 8:41 PM EDT | TSTM WND GST 40 | Doylestown Airport, PA | |
| Jun 30, 8:56 PM EDT | HAIL 0.5 | Dublin, PA | REPORT FROM MPING: HALF-INCH (0.50 IN.). |
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, 0.3 hours before the alert went out and 216 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
- 166 J/kg
- Mixed-layer CIN
- -206 J/kg
- Mixed-layer LCL
- 1401 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -102 m²/s²
- 0-3 km storm-relative helicity
- -75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
017
WWUS81 KPHI 010016
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
816 PM EDT Wed Jun 30 2021
NJZ009-PAZ060-101-103>106-010100-
Hunterdon-Lower Bucks-Upper Bucks-Eastern Montgomery-Western
Montgomery-Western Chester-Berks-
816 PM EDT Wed Jun 30 2021
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN HUNTERDON...
SOUTHEASTERN BERKS...NORTHWESTERN MONTGOMERY...NORTHWESTERN BUCKS AND
NORTHEASTERN CHESTER COUNTIES...
At 815 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Revere to Elverson. Movement was east at
40 mph.
Wind gusts up to 40 mph are possible with these storms.
Locations impacted include...
Pottstown, Phoenixville, Lansdale, West Norriton, East Norriton,
Quakertown, Perkasie, Doylestown, Byram, Souderton, Bedminster,
Collegeville, Royersford, Flemington, Chalfont, Tinicum, Trappe,
Hatfield, Dublin and Ferndale.
This includes the following highways...
Pennsylvania Turnpike between mile markers 297 and 305.
Northeast Extension between mile markers 25 and 42.
Interstate 176 in Pennsylvania near mile marker 1.
If outdoors, consider seeking shelter inside a building.
LAT...LON 4057 7512 4049 7480 4011 7542 4012 7591
4013 7591 4014 7588 4016 7591 4017 7591
TIME...MOT...LOC 0015Z 266DEG 36KT 4051 7513 4016 7586
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 38 min |
| Jun 30, 8:56 PM EDT | Special Marine Warning | PHI | 94 min | |
| Jun 30, 9:05 PM EDT | Special Weather Statement | PHI | Somerset | 40 min |
| Jun 30, 9:21 PM EDT | Special Weather Statement | PHI | Salem | 39 min |
| Jun 30, 9:49 PM EDT | Special Weather Statement | PHI | Monmouth | 26 min |
| Jun 30, 9:51 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 1, 2:58 AM EDT | Small Craft Advisory | PHI | 17 hr | |
| Jul 1, 1:10 PM EDT | Special Weather Statement | PHI | Monmouth | 50 min |
| Jul 1, 1:16 PM EDT | Special Weather Statement | PHI | Atlantic | 29 min |
| Jul 1, 1:28 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 1, 1:31 PM EDT | Special Weather Statement | PHI | Cumberland | 29 min |
| Jul 1, 4:21 PM EDT | Special Marine Warning | PHI | 114 min | |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Salem and 1 more | 48 min |
| Jul 1, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland, Salem | 80 min |
| Jul 1, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more | 46 min |
| Jul 1, 5:02 PM EDT | Tornado Warning | PHI | Burlington, Mercer | 28 min |
| Jul 1, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 93 min |
| Jul 1, 5:35 PM EDT | Tornado Warning | PHI | Mercer, Monmouth, Ocean | 25 min |
| Jul 1, 5:40 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jul 1, 5:46 PM EDT | Special Marine Warning | PHI | 119 min | |
| Jul 1, 6:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Jul 1, 2:51 PM EDT | Special Weather Statement | PHI | Chester, Montgomery | 39 min |
| Jul 1, 3:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 47 min |
| Jul 1, 3:23 PM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 77 min |
| Jul 1, 3:48 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 112 min |
| Jul 1, 3:50 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 40 min |
| Jul 1, 4:08 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 52 min |
| Jul 1, 4:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 52 min |
| Jul 1, 4:10 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 94 min |
| Jul 1, 4:32 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 43 min |
| Jul 1, 4:57 PM EDT | Tornado Warning | PHI | Kent, Sussex | 22 min |
| Jul 1, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 48 min |
| Jul 1, 3:12 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 48 min |
| Jul 1, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 49 min |
Nearby
Special Weather Statements in Pennsylvania, 2021Every special weather statement in 2021
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.