Hail, Berks
- When
- July 21, 1:00 PM EST
- Where
- Berks County, 0.69 mi N of Muhlenberg Park
- Measured
- 1 in hail
- Reported by
- Trained Spotter
- Coordinates
- 40.410, -75.930
A strong cold front moved through the mid-Atlantic on July 21. Ahead of the front, an environment of moderate wind shear and seasonably warm and humid conditions promoted widespread thunderstorm development.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PHI wrote it up.
A strong cold front moved through the mid-Atlantic on July 21. Ahead of the front, an environment of moderate wind shear and seasonably warm and humid conditions promoted widespread thunderstorm development. Storms mainly took the form of multi-cell clusters and quasi-linear segments. A number of storms became severe, posing a threat for both damaging winds and, thanks to cold air aloft, large hail as they moved towards the coast. With the front moving through during the mid to late afternoon hours, most of the storm activity was offshore by early evening, with cooler and drier weather behind the front.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before the first event at Jul 21, 12:19 PM EST, 41 minutes earlier.
Area Forecast Discussion National Weather Service Mount Holly NJ 119 PM EDT Wed Jul 21 2021 .SYNOPSIS... A cold front will move through the region today before moving offshore tonight. High pressure will build across the region for Thursday and Friday moving offshore over the weekend. Another cold front will move through the area Monday night into Tuesday, stalling to our south. && .NEAR TERM /THROUGH TONIGHT/... Severe Thunderstorm Watch 385 now in effect for most of the region. Carbon and Monroe counties not included in the Watch. A complex pattern setting up today with another round of severe weather possible this afternoon. Hail and damaging winds will be the primary threats. An upper level through axis is centered near the United States/ Canadian border this morning, with mid-level flow around 30/40 kts. This seasonably strong trough axis is accompanied with a 50 m height fall and 30 m height rise couplet with a rather messy upper level jet. This messy upper level jet is thanks to a piece of energy that has broken off from the main upper level trough axis and has actually closed off over southeast Texas. This closed low will continue to retrograde underneath a mid-level cyclone and hasten its collapse. As this occurs, the mid-level wave over the east coast of the United States will sweep east and keep a relatively neutral tilt as it does so. The core of the DCVA appears to sweep across northern NJ, PA, and south/central NY this afternoon with a rather impressive amount of lift for the summer. In the low levels of the atmosphere, a cold front is forecast to sweep across the region this afternoon. The mid-level wave will be quickly approaching from the west. The DCVA will help to re-establish the lee side trough with winds turning from the south/southwest over the coastal plain of NJ and west across eastern PA. The CIN that was over the area this morning is eroding, and SBCAPE values are rising to 1000-2000 J/kg across the northern half of the forecast area and as high as 3000 J/kg in Delmarva. Low and mid-level lapse rates are approaching 7 degrees C. The uncertainty with the forecast today regards where will the convection initiate first. The are two surface features which could serve as the impetus. The first being the cold front, and the second being the lee side trough (a potential, but less likely third, is an inland moving sea breeze). The cold front being the impetus for CI does appear to be a threat, esp given the backed winds thanks to the outflow. Overall though, surface convergence along the front isn't extremely impressive. The best surface convergence forecast today is actually along the lee side trough. Given this, have trended the forecast to have the highest chance of precipitation to be over the Lehigh Valley and east. The end solution will likely not be a binary one though (meaning one or another), but rather an amalgamation of the two. As the thunderstorms initiate, deep layer shear values are forecast to be around 35 kts with a rather unidirectional wind profile. These rather straight hodographs and deep layer shear values favor a potential for some splitting supercells in the warm sector. As the boundary approaches though, deep layer shear values are boundary oblique with supercell motion being more orthogonal to the boundary. Anvil-level storm-relative flow is also boundary oblique. All of the above would favor discrete cells initially (some splitting occurring), with upscale growth soon thereafter. Steep lapse rates mentioned above will also promote rapid updraft intensification. The primary threats with these storms will be damaging wind gusts and large hail (rather low WBZ heights). Later this afternoon into evening, the cold front will sweep through the region with PWATs falling rapidly from around 1.75" to ~0.7" (near the 10th percentile for this time of year). The rather impressive low level CAA for this time of year will actually promote some wind gusts approaching 20 MPH behind the frontal passage. Later in the evening, the PBL will begin to decouple allowing a slow fall off of the gusts. Low temperature tonight will be primarily in the low to mid 60s. && .SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/... High pressure begins to build in from the west, and CAA will be underway and a drier airmass begins to spread into the region Wednesday night. Lows will be in the 50s to the north and west and in the 60s elsewhere. But of note, surface dew points will begin to drop, generally from the mid and upper 60s in the evening to the upper 50s and around 60 by daybreak Thursday. Arguably the nicest day of the summer is on tap for Thursday as high pressure builds into the Ohio Valley with abundant sunshine. Northerly flow on the east side of that high ushers a cooler airmass into the region. Highs will be a few degrees below normal, topping off in the lower 80s, except for the southern Poconos which will be in the 70s. Northern New Jersey and the Lehigh Valley will be in the upper 70s to low 80s. With afternoon mixing, dew points will drop into the mid 50s. Which will feel quite autumnal compared to some of the days that have occurred this July. High pressure continues to build east Thursday night. Lows once again in the 50s to the north and in the 60s elsewhere. && .LONG TERM /SATURDAY THROUGH TUESDAY/... The trough aloft moves offshore on Saturday as the surface high starts to settle over the western Atlantic and we see a surface trough develop over the Mid-Atlantic. Low pressure will pass to the north of the area on Monday, dragging a cold front through our area Monday night into Tuesday. The front may then stall nearby or just to the south of area. Several shortwaves will cross the region through the early part of the week, keeping us unsettled with chances for showers and thunderstorms. While there will be a chance for storms each day, the majority of the time it will be dry and we are not expecting it to be a total washout. Temperatures will be more seasonable with highs in the mid to upper 80s (cooler to the north). As we head into the early part of the week, the 90s may start creeping back in and dew points will be on the rise, returning us to a slightly muggier air mass. Behind the front, we should see dew points drop back down a little bit. && .AVIATION /17Z WEDNESDAY THROUGH SUNDAY/... The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas. Rest of this afternoon (18Z-00Z)...MVFR VSBY in HZ will dissipate, and VSBY will become VFR. SHRA/TSRA with brief sub- VFR conditions in +RA, hail, and potentially damaging winds. Will carry TEMPO groups for convection until 21Z-22Z. W-NW winds less than 10 kt, except higher in TSRA over terminals. Gusts to 20 kt possible for a few hours behind immediate passage of cold front. High confidence in overall pattern, low confidence on timing of TSRA passing over a given terminal. Tonight (00Z-12Z)...VFR/becoming SKC. NW winds 5 kt or less. High confidence. Thursday (12Z-00Z)...VFR. NW winds less than 10 kt. High confidence. Outlook... Thursday...Mostly VFR. West to northwest winds around 5 to 10 knots. High confidence. Friday...Mostly VFR. Sub-VFR conditions possible in isolated showers and thunderstorms. Light west to northwest winds. High confidence with low confidence on storms reaching the terminals. Saturday...Mostly VFR. Sub-VFR conditions possible in showers and thunderstorms. Southerly winds around 5 to 10 knots. High confidence with low confidence on storms reaching the terminals. Sunday...Mostly VFR. Sub-VFR conditions possible in scattered showers and thunderstorms. Southwest winds around 10 to 15 knots. Moderate confidence. && .MARINE... Today and tonight...Sub-SCA conditions expected with showers and thunderstorms forming this afternoon into evening. Localized higher winds and seas can be expected within any thunderstorms. Mostly SW to W winds 10 to 15 knots then becoming W/NW late. Outlook... Thursday through Sunday...Sub-Small Craft Advisory conditions are expected across the area waters. Scattered showers and thunderstorms on Saturday and Sunday may produce locally higher winds and waves. Rip Currents... Rest of today and Wednesday...Low with medium period waves and limited seas. && .TIDES/COASTAL FLOODING... Limited minor flooding occurred on the tidal Delaware River overnight but with the midday high tide being the lower of the high tides, do not anticipate a similar occurrence through the rest of today. There is the potential that tonight's high tide on the tidal Delaware River may hit minor flooding again but should remain below advisory levels. As we move into the Thursday and Friday evening high tides, some coastal areas could approach at least minor flood thresholds. The full moon is on Friday which will lead to higher astronomical tides Thursday and Friday, but there may also be enough of a down-shore component to the wind to push enough water back toward land to increase tidal levels, especially on Thursday. && .PHI WATCHES/WARNINGS/ADVISORIES... PA...None. NJ...None. DE...None. MD...None. MARINE...None. && Synopsis...Meola Near Term...Haines/MPS Short Term...Meola Long Term...Meola Aviation...Haines/Meola/MPS Marine...Haines/Meola Tides/Coastal Flooding...WFO PHI
Hazardous Weather Outlook National Weather Service Mount Holly NJ 1203 PM EDT Wed Jul 21 2021 DEZ001-221603- New Castle- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for New Castle County in Delaware. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. DEZ002-221603- Kent- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Kent County in Delaware. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. DEZ003-221603- Inland Sussex- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for inland portions of Sussex County in Delaware. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. DEZ004-221603- Delaware Beaches- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for the Atlantic coastal portions of Sussex County in Delaware. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ054-221603- Carbon- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Carbon County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ055-221603- Monroe- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Monroe County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ060-221603- Berks- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Berks County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ061-221603- Lehigh- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Lehigh County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ062-221603- Northampton- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Northampton County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ070-221603- Delaware- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Delaware County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ071-221603- Philadelphia- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Philadelphia County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ101-221603- Western Chester- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for western Chester County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ102-221603- Eastern Chester- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for eastern Chester County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ103-221603- Western Montgomery- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for western Montgomery County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ104-221603- Eastern Montgomery- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for eastern Montgomery County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ105-221603- Upper Bucks- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for upper Bucks County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ106-221603- Lower Bucks- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for lower Bucks County in Pennsylvania. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ001-221603- Sussex- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Sussex County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ007-221603- Warren- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Warren County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ008-221603- Morris- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Morris County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ009-221603- Hunterdon- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Hunterdon County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ010-221603- Somerset- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Somerset County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ012-221603- Middlesex- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Middlesex County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ013-221603- Western Monmouth- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for western Monmouth County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ014-221603- Eastern Monmouth- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for eastern Monmouth County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ015-221603- Mercer- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Mercer County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ016-221603- Salem- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Salem County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ017-221603- Gloucester- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Gloucester County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ018-221603- Camden- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Camden County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ019-221603- Northwestern Burlington- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for northwestern Burlington County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ020-221603- Ocean- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for inland portions of Ocean County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ021-221603- Cumberland- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Cumberland County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ022-221603- Atlantic- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for inland portions of Atlantic County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ023-221603- Cape May- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Cape May County excluding the Atlantic coast in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ024-221603- Atlantic Coastal Cape May- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for the Atlantic coastal portions of Cape May County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ025-221603- Coastal Atlantic- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for coastal portions of Atlantic County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ026-221603- Coastal Ocean- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for coastal portions of Ocean County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Minor coastal flooding is possible on Thursday. Minor coastal flooding is possible on Friday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ027-221603- Southeastern Burlington- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for southeastern Burlington County in New Jersey. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MDZ012-221603- Kent MD- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Kent County in Maryland. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MDZ015-221603- Queen Annes- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Queen Annes County in Maryland. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MDZ019-221603- Talbot- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Talbot County in Maryland. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MDZ020-221603- Caroline- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for Caroline County in Maryland. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ430-221603- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for upper Delaware Bay. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ431-221603- Delaware Bay waters south of East Point NJ to Slaughter Beach DE- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for lower Delaware Bay. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ450-221603- Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Monmouth County out 20 nm. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ451-221603- Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Ocean County out 20 nm. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ452-221603- Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Atlantic County out 20 nm. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ453-221603- Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Cape May County out 20 nm. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ454-221603- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to the mouth of Delaware Bay out 20 nm. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ455-221603- Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm- 1203 PM EDT Wed Jul 21 2021 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Sussex County out 20 nm. .DAY ONE...Through tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures.
Special Weather Statement
National Weather Service Mount Holly NJ
1109 AM EDT Wed Jul 21 2021
NJZ008-211545-
Morris-
1109 AM EDT Wed Jul 21 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN MORRIS COUNTY...
At 1109 AM EDT, a strong thunderstorm was located over Mendham, or
near Morristown, moving east at 35 mph.
Wind gusts up to 40 mph are possible with this storm.
Locations impacted include...
Morristown, Dover, Madison, Florham Park, East Hanover, Lincoln Park,
Chatham, Boonton, Rockaway, Morris Plains, Mendham, Mountain Lakes,
Peapack And Gladstone, Chester, Victory Gardens, Succasunna,
Succasunna-Kenvil, Parsippany, Bernardsville and Hanover Township.
This includes the following highways...
Interstate 80 in New Jersey between mile markers 39 and 48.
Interstate 287 in New Jersey between mile markers 31 and 48.
LAT...LON 4090 7427 4091 7434 4083 7433 4076 7438
4075 7436 4069 7444 4069 7452 4070 7451
4076 7456 4073 7466 4085 7469 4095 7428
4092 7429
TIME...MOT...LOC 1509Z 259DEG 32KT 4078 7457
POSpecial Weather Statement National Weather Service Mount Holly NJ 1241 PM EDT Wed Jul 21 2021 NJZ020-026-027-211715- Coastal Ocean-Ocean-Southeastern Burlington- 1241 PM EDT Wed Jul 21 2021 ...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL OCEAN AND EAST CENTRAL BURLINGTON COUNTIES... At 1239 PM EDT, strong thunderstorms were clustered over Brookville, or 17 miles south of Toms River, moving northeast at 10 mph. Wind gusts up to 40 mph and pea size hail are possible with the stronger storms. Locations impacted include... Barnegat, Brookville, Warren Grove, Penn State Forest, Beach Haven West, Manahawkin, Ocean Acres and Waretown. This includes Garden State Parkway between mile markers 60 and 74. Some cloud to ground lightning is occurring and will also affect some of the beaches. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. LAT...LON 3965 7445 3980 7449 3989 7406 3968 7411 TIME...MOT...LOC 1639Z 246DEG 10KT 3976 7431 Gorse
Special Weather Statement
National Weather Service Mount Holly NJ
108 PM EDT Wed Jul 21 2021
PAZ054-061-062-211745-
Lehigh-Northampton-Carbon-
108 PM EDT Wed Jul 21 2021
...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN LEHIGH...SOUTHERN
CARBON AND WEST CENTRAL NORTHAMPTON COUNTIES...
At 107 PM EDT, a strong thunderstorm was located near Hometown, or
near Tamaqua, moving southeast at 25 mph.
Wind gusts up to 40 mph and half inch hail are possible with this
storm.
Locations impacted include...
Allentown, Lehighton, Northampton, Palmerton, Jim Thorpe, Slatington,
Nesquehoning, Weatherly, Walnutport, New Mahoning, Neffs, Coffeetown,
New Tripoli, Berlinsville, Emerald, Claussville, Danielsville,
Beltzville State Park, Jordan Valley and Beersville.
This includes the following highways...
Northeast Extension between mile markers 55 and 79.
Interstate 78 in Pennsylvania between mile markers 52 and 55.
LAT...LON 4093 7596 4095 7590 4084 7548 4081 7547
4082 7543 4081 7539 4056 7555 4069 7584
4074 7576 4081 7587 4090 7598
TIME...MOT...LOC 1707Z 295DEG 22KT 4085 7591
NCSpecial Weather Statement
National Weather Service Mount Holly NJ
111 PM EDT Wed Jul 21 2021
NJZ009-PAZ061-062-105-211745-
Hunterdon-Upper Bucks-Lehigh-Northampton-
111 PM EDT Wed Jul 21 2021
...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL HUNTERDON...
SOUTHEASTERN LEHIGH...NORTHWESTERN BUCKS AND SOUTHWESTERN NORTHAMPTON
COUNTIES...
At 111 PM EDT, a strong thunderstorm was located over Allentown,
moving southeast at 25 mph.
Wind gusts up to 40 mph and half inch hail are possible with this
storm.
Locations impacted include...
Allentown, Easton, Bethlehem, Emmaus, Northampton, Quakertown,
Bedminster, Hellertown, Dublin, Ferndale, Milford, Riegelsville,
Glendon, Pleasant Valley, Revere, Lehigh University, Ottsville,
Springtown, Old Orchard and Catasauqua.
This includes the following highways...
Northeast Extension between mile markers 51 and 54.
Interstate 78 in Pennsylvania between mile markers 56 and 74.
LAT...LON 4064 7519 4062 7519 4061 7520 4059 7519
4063 7515 4060 7504 4036 7519 4054 7556
4071 7547
TIME...MOT...LOC 1711Z 295DEG 21KT 4060 7544
NCPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
119 PM EDT WED JUL 21 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 PM TSTM WND GST BEACH HAVEN 39.56N 74.24W
07/21/2021 M42 MPH OCEAN NJ MESONET
0105 PM HAIL STRATFORD 39.83N 75.01W
07/21/2021 M1.00 INCH CAMDEN NJ COCORAHS
&&PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
131 PM EDT WED JUL 21 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0105 PM HAIL STAFFORD TWP. 39.74N 74.28W
07/21/2021 M1.00 INCH OCEAN NJ COCORAHS
&&The Philadelphia radar (KDIX), 139 km away, was scanning. The volume nearest the first event began at 18:02 UTC.
12 thunderstorm wind, 11 hail. Local standard time, as filed.
Widespread tree damage was reported in West Allentown.
Photo of large tree branches down on wires in West Lawn PA. Time estimated by spotter.
Wires were downed south of Allentown. Time estimated from radar.
Numerous trees were downed in association with a strong microburst.
Photo of a large tree down in Upper Gwynedd Twp. Time estimated from radar.
Numerous trees down on wires in Whitpain Twp in association with a microburst. Time estimated from radar.
Photos relayed on social media of hail slightly larger than quarter size. Time estimated from radar.
Numerous photos of large tree limbs down in the Center Square area of Blue Bell. Time estimated from radar.
Trees were downed near the PA Turnpike.
Report via social media with photo. Time estimated from radar.
A large tree was sheared apart in Abington Twp. Report via social media with a photo. Time estimated from radar.
Trees were downed on wires on Stanwood St in Rhawnhurst.
Wires were downed on Carter Ave in Chester Twp. Time estimated from radar.
Trees were downed near Vogt Recreation Center in Tacony. Time estimated from radar.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2021Every state in 2021This day in weather historyWarnings in Pennsylvania, July 2021
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 965167, 965168, 965178, 965186, 965189, 965171, 965172, 965179, 965184, 965170, 965183, 965175, 965176, 965185, 965180, 965177, 965188, 965169, 965173, 965174, 965182, 965187, 965181.