Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 21, 2023, 4:00 PM EST for Monmouth County, New Jersey. It was in force for 13 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 2023, 4:00 PM EST (21:00 UTC)
- Expired
- Feb 21, 2023, 4:13 PM EST
- In force
- 13 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 34 km from the middle of the area, began a volume at 21:00 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.0 hours before the alert went out and 145 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
219
WUUS51 KPHI 212100
SVRPHI
NJC025-212130-
/O.NEW.KPHI.SV.W.0002.230221T2100Z-230221T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
400 PM EST Tue Feb 21 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Monmouth County in central New Jersey...
* Until 430 PM EST.
* At 400 PM EST, a severe thunderstorm was located over Manalapan, or
16 miles south of New Brunswick, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to
roofs, siding, trees, and power lines is possible.
* Locations impacted include...
Manalapan, Roosevelt, Yorketown, West Freehold and Englishtown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.
This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.
&&
LAT...LON 4020 7434 4023 7447 4026 7444 4027 7441
4030 7438 4030 7427
TIME...MOT...LOC 2100Z 281DEG 33KT 4025 7440
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PO1 follow-up statement
928
WWUS51 KPHI 212113
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
413 PM EST Tue Feb 21 2023
NJC025-212123-
/O.CAN.KPHI.SV.W.0002.000000T0000Z-230221T2130Z/
Monmouth NJ-
413 PM EST Tue Feb 21 2023
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONMOUTH COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 4020 7434 4023 7447 4026 7444 4027 7441
4030 7438 4030 7427
TIME...MOT...LOC 2112Z 281DEG 33KT 4023 7425
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 1:59 PM EST | Special Weather Statement | PHI | Salem | 31 min |
| Feb 21, 2:02 PM EST | Special Marine Warning | PHI | 58 min | |
| Feb 21, 2:21 PM EST | Special Weather Statement | PHI | Cumberland | 39 min |
| Feb 21, 2:30 PM EST | Special Weather Statement | PHI | Atlantic, Cumberland | 45 min |
| Feb 21, 2:39 PM EST | Special Marine Warning | PHI | 66 min | |
| Feb 21, 2:47 PM EST | Special Weather Statement | PHI | Hunterdon | 43 min |
| Feb 21, 2:48 PM EST | Special Weather Statement | PHI | Burlington, Ocean | 27 min |
| Feb 21, 2:56 PM EST | Special Marine Warning | PHI | 53 min | |
| Feb 21, 3:02 PM EST | Special Weather Statement | PHI | Cape May | 28 min |
| Feb 21, 3:15 PM EST | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 45 min |
| Feb 21, 3:40 PM EST | Tornado Warning | PHI | Mercer, Middlesex, Monmouth | 22 min |
| Feb 21, 4:12 PM EST | Special Weather Statement | PHI | Sussex, Warren | 33 min |
| Feb 21, 4:17 PM EST | Special Marine Warning | PHI | 58 min | |
| Feb 21, 4:42 PM EST | Severe Thunderstorm Warning | PHI | Ocean | 27 min |
| Feb 21, 4:52 PM EST | Special Weather Statement | PHI | Morris | 23 min |
| Feb 21, 4:53 PM EST | Special Marine Warning | PHI | 54 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2023Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.