Thunderstorms brought locally heavy rain to northern Delaware on the afternoon of June 12. Rainfall totals were as high as 2 to 4 inches.
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The episode as NWS PHI wrote it up.
Thunderstorms brought locally heavy rain to northern Delaware on the afternoon of June 12. Rainfall totals were as high as 2 to 4 inches.
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 Jun 12, 2:15 PM EST, 2 hours 5 minutes earlier.
Area Forecast Discussion National Weather Service Mount Holly NJ 315 PM EDT Mon Jun 12 2023 .SYNOPSIS... Low pressure tracks across the eastern Great Lakes region through tonight, with a cold front crossing our area by later tonight. Weak high pressure arrives for Tuesday, then an upper-level low arrives during Wednesday. A cold front moves through later Thursday, however it should stall to our south Friday into Saturday. Low pressure along the front may then move across our area over the weekend into early next week. && .NEAR TERM /THROUGH TUESDAY/... Showers and thunderstorms ahead of a developing area of low pressure and associated cold front are moving through the area this afternoon. The potential for a few strong to severe thunderstorms remains as mesoanalysis as of 19z shows a tongue of instability extending from Delmarva into SE PA and Southern NJ. This coincides with the location of the Slight Risk (2/5) from the Storm Prediction Center (SPC). The limiting factors appear to be weak mid-level lapse rates and effective shear around 30 kt or less. While the entire region has the potential to see severe weather, the highest probability lies basically from the Philadelphia metropolitan area on south. Main threats are damaging winds and hail up to an inch in diameter. A tornado cannot be ruled out, especially over Delmarva and southern New Jersey. In terms of the flooding aspect of this event...the 12z IAD sounding shows a skinny CAPE profile with a PWAT value around 1.6 inches. This is over the 90th percentile for mid-June. The freezing level was shown to be around 12,000 feet, and with a low LCL, we are looking at a warm cloud layer over 10k feet. This does indicate the flooding potential for today, though storm motion will be relatively quick. However, some of the short range guidance does show multiple rounds of showers/thunderstorms for some spots, so we continue to monitor the flooding threat. While it is true that our area has not seen much rainfall in over a month, this could also work against us in terms of runoff. With such a dry surface, most of the rain may not seep into the surface, similar to what we saw at the end of April. Showers and thunderstorms will quickly exit the region by the late evening, with skies clearing out a bit for most after midnight. Drier air looks to lag behind the front, but the 12z suite of guidance backed off on a prolonged period of patchy fog in the wake of the front. Still looks like a brief period of patchy fog is possible, especially in more rural areas, but thinking most spots are mostly clear by daybreak or so. Overnight lows will be in the mid to upper 50s with some spots staying in the low 60s. A relatively quiet Tuesday is ahead. The closed low over Michigan will slowly progress east, but the entire area looks to be in a dry slot for the day. Temperatures will rise into the upper 70s/low 80s. Winds will be out of the west around 10-15 MPH or so with gusts nearing 20-25 MPH. && .SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY NIGHT/... Additional opportunity for some much needed rain for at least some areas primarily during Wednesday. A closed closed centered over the eastern Great Lakes Tuesday night will shift eastward Wednesday and be across southern New England by early Wednesday evening. It then exits northern New England and weakens some overnight Wednesday night into Thursday evening. The western portion of the larger scale upper-level trough however is forecast to amplify across the Great Lakes Thursday as a stronger shortwave drops southeastward. The arrival of the closed low, centered just to our north, during Wednesday will result in destabilization taking place as colder air aloft overspreads our area. The cyclonic flow aloft, plenty of shortwave energy arriving and a weak surface cold front will all result in enough large scale ascent to produce showers especially in the afternoon and evening Wednesday. The most widespread showers should be across our northern areas closest to the core of the closed low. Given the colder air aloft and decent boundary layer heating, instability should become sufficient for the development of some thunderstorms. The freezing level will be lower due to the colder air aloft, therefore some small hail is possible with any stronger convective cores. In addition, the model forecast soundings show an inverted-V signature in place due to steepening low-level lapse rates (well mixed boundary layer) and this could result in some locally gusty winds. As of now, we are not anticipating any severe weather. Showers and some thunderstorms are forecast to end during Wednesday night as the closed low moves into New England and due to the loss of daytime heating. Temperatures overall look to be close to average, although much more cloud cover would temper the warming some. As we go through Thursday, the aforementioned closed low exiting northern New England is forecast to weaken, however the trough becomes more amplified over the Great Lakes as additional shortwave energy drops down out of Canada. This will maintain a trough present in the East, and with this amplifying trough another cold front is forecast to cross our area later Thursday. Some showers and thunder are possible mainly later Thursday and Thursday night. Given the timing of the front (passed peak heating) and uncertainty with the coverage of showers/thunder, continued to keep the PoPs on the lower side. Temperatures overall look to be close to average for this time of year. && .LONG TERM /FRIDAY THROUGH MONDAY/... Summary...Potentially unsettled at times as a few systems move through. Synoptic Overview...An upper-level trough across much of eastern Canada and the Northeast/Mid-Atlantic is forecast to start weakening and lift out Friday night and especially Saturday. Another upper- level trough is then forecast to slide east-southeastward across the Great Lakes and Ohio Valley Sunday then across the Mid-Atlantic region into Monday. At the surface, a cold front is forecast to stall to our south into Friday. Low pressure may develop along the tailend of the front as the aformentioned new upper-level trough shifts eastward. This low is forecast to cross our area during mainly the second half of the weekend into Monday. For Friday...An upper-level trough should be pivoting across our area during the day before it starts to lift out at night. The amplitude of this trough will determine if additional convection develops with daytime heating. Given the uncertainty with the coverage of showers/thunder, continued to keep the PoPs on the lower side. The late Thursday cold front should continue to settle to our south and east and eventually stall. Temperatures overall look to be close to average for this time of year. For Saturday through Monday...The aforementioned upper-level trough lifts out into Saturday with some weak mid level ridging approaching from the west. A front is forecast to be stalled to our south, and with the next shortwave trough arriving from the Midwest to upper Ohio Valley, a surface low is forecast to develop along the tailend of the front. There are still some differences among the guidance on the amplitude and positioning of this shortwave trough, and therefore the strengthen and track of the surface low. It does appear that a system will be arriving sometime over the weekend into early next week, however the details are still much less certain at this time range. As a result, kept the PoPs on the lower side. Temperatures overall look to remain close to average. && .AVIATION /19Z MONDAY THROUGH SATURDAY/... The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas... Rest of Today...sub-VFR conditions with periods of showers and thunderstorms moving through. Winds will be out of the south/southeast around 10 kt with gusts nearing 20 kt. Higher gusts possible in any convection. Moderate confidence. Tonight...sub-VFR conditions to start with showers and thunderstorms continuing. Conditions improve back to VFR by daybreak, though some patchy fog is possible once storms move out. A cold front will result in winds becoming westerly around 10 kt or so late this evening. Low confidence. Tuesday...VFR. West/Northwest winds around 10 kt with gusts nearing 20 kt. Moderate confidence. Outlook... Tuesday night...VFR. Southwest to south winds around 5 knots to locally light and variable. Moderate confidence. Wednesday...Some showers and thunderstorms, mainly in the afternoon and evening, can result in times of sub-VFR conditions. Otherwise, VFR. Southwest to west winds 8-12 knots. Moderate confidence. Thursday and Friday...A few showers and thunderstorms possible each day, otherwise VFR. West to northwest winds generally around 10 knots. Moderate confidence. Saturday...VFR. West-northwest winds around 10 knots. Moderate confidence. && .MARINE... No marine headlines are anticipated. Showers and thunderstorms along the waters are likely through the late evening. Southerly winds this afternoon and evening around 15 kt with gusts nearing 20 kt will become westerly after midnight, remaining around 10-20 kt. Seas 2 to 4 feet. Outlook... Tuesday night through Saturday...The conditions are anticipated to below Small Craft Advisory criteria. Rip Currents... Through this evening, south to southeast winds 15 to 20 mph with gusts up to 25 mph into this evening. This, along with a lingering long period southeasterly swell will result in a MODERATE risk for the development of dangerous rip currents at New Jersey and Delaware beaches. Tuesday, winds turn offshore at 10 to 15 mph, though late day sea breezes are possible. This will result in a LOW risk for the development of dangerous rip currents at the Delaware beaches, but a MODERATE risk at the New Jersey beaches. && .PHI WATCHES/WARNINGS/ADVISORIES... PA...None. NJ...None. DE...None. MD...None. MARINE...None. && SYNOPSIS...Gorse NEAR TERM...Hoeflich SHORT TERM...Gorse LONG TERM...Gorse AVIATION...Gorse/Hoeflich MARINE...Gorse/Hoeflich
Hazardous Weather Outlook National Weather Service Mount Holly NJ 0503 PM EDT Mon Jun 12 2023 DEZ001-132103- New Castle- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for New Castle County in Delaware. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. DEZ002-132103- Kent- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Kent County in Delaware. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. DEZ003-132103- Inland Sussex- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for inland portions of Sussex County in Delaware. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. DEZ004-132103- Delaware Beaches- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for the Atlantic coastal portions of Sussex County in Delaware. .DAY ONE...Through tonight. There is a moderate risk of rip currents. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ054-132103- Carbon- 0503 PM EDT Mon Jun 12 2023 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...Tuesday through Sunday. 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. PAZ055-132103- Monroe- 0503 PM EDT Mon Jun 12 2023 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...Tuesday through Sunday. 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. PAZ060-132103- Berks- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Berks County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ061-132103- Lehigh- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Lehigh County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ062-132103- Northampton- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Northampton County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ070-132103- Delaware- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Delaware County in Pennsylvania. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ071-132103- Philadelphia- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Philadelphia County in Pennsylvania. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ101-132103- Western Chester- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for western Chester County in Pennsylvania. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ102-132103- Eastern Chester- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for eastern Chester County in Pennsylvania. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ103-132103- Western Montgomery- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for western Montgomery County in Pennsylvania. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ104-132103- Eastern Montgomery- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for eastern Montgomery County in Pennsylvania. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ105-132103- Upper Bucks- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for upper Bucks County in Pennsylvania. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. PAZ106-132103- Lower Bucks- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for lower Bucks County in Pennsylvania. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ001-132103- Sussex- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Sussex County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ007-132103- Warren- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Warren County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ008-132103- Morris- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Morris County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ009-132103- Hunterdon- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Hunterdon County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ010-132103- Somerset- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Somerset County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ012-132103- Middlesex- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Middlesex County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ013-132103- Western Monmouth- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for western Monmouth County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ014-132103- Eastern Monmouth- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for eastern Monmouth County in New Jersey. .DAY ONE...Through tonight. There is a moderate risk of rip currents. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. There is a moderate risk of rip currents on Tuesday. 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. NJZ015-132103- Mercer- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Mercer County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ016-132103- Salem- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Salem County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ017-132103- Gloucester- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Gloucester County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ018-132103- Camden- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Camden County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ019-132103- Northwestern Burlington- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for northwestern Burlington County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ020-132103- Ocean- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for inland portions of Ocean County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ021-132103- Cumberland- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Cumberland County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ022-132103- Atlantic- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for inland portions of Atlantic County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ023-132103- Cape May- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Cape May County excluding the Atlantic coast in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. NJZ024-132103- Atlantic Coastal Cape May- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for the Atlantic coastal portions of Cape May County in New Jersey. .DAY ONE...Through tonight. There is a moderate risk of rip currents. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. There is a moderate risk of rip currents on Tuesday. 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. NJZ025-132103- Coastal Atlantic- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for coastal portions of Atlantic County in New Jersey. .DAY ONE...Through tonight. There is a moderate risk of rip currents. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. There is a moderate risk of rip currents on Tuesday. 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. NJZ026-132103- Coastal Ocean- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for coastal portions of Ocean County in New Jersey. .DAY ONE...Through tonight. There is a moderate risk of rip currents. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. There is a moderate risk of rip currents on Tuesday. 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. NJZ027-132103- Southeastern Burlington- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for southeastern Burlington County in New Jersey. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. MDZ012-132103- Kent MD- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Kent County in Maryland. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. MDZ015-132103- Queen Annes- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Queen Annes County in Maryland. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. MDZ019-132103- Talbot- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Talbot County in Maryland. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. MDZ020-132103- Caroline- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for Caroline County in Maryland. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. ANZ430-132103- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for upper Delaware Bay. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. ANZ431-132103- Delaware Bay waters south of East Point NJ to Slaughter Beach DE- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for lower Delaware Bay. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. ANZ450-132103- Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Monmouth County out 20 nm. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. ANZ451-132103- Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Ocean County out 20 nm. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. ANZ452-132103- Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Atlantic County out 20 nm. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. ANZ453-132103- Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Cape May County out 20 nm. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. ANZ454-132103- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to the mouth of Delaware Bay out 20 nm. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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. ANZ455-132103- Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm- 0503 PM EDT Mon Jun 12 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Sussex County out 20 nm. .DAY ONE...Through tonight. Scattered severe thunderstorms are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. 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.
Preliminary Local Storm Report
National Weather Service Mount Holly NJ
438 PM EDT Mon Jun 12 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM Flood Lawrence Park 39.97N 75.34W
06/12/2023 Delaware PA Trained Spotter
Highway Flooding at Mile Marker 9 on
Interstate 476.
&&
DeSilvaPreliminary Local Storm Report
National Weather Service Mount Holly NJ
445 PM EDT Mon Jun 12 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0438 PM Rain 2 SW Glendale 39.61N 75.70W
06/12/2023 M3.66 inch New Castle DE Mesonet
Mesonet station GW1337 BEAR.
&&
GorsePreliminary Local Storm Report
National Weather Service Mount Holly NJ
446 PM EDT Mon Jun 12 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0440 PM Rain 2 ENE Glasgow 39.62N 75.71W
06/12/2023 M2.08 inch New Castle DE Mesonet
Mesonet station AR962 Newark.
&&
GorsePreliminary Local Storm Report
National Weather Service Mount Holly NJ
507 PM EDT Mon Jun 12 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0448 PM Rain 2 SW Glendale 39.61N 75.70W
06/12/2023 M3.87 inch New Castle DE Mesonet
Mesonet station GW1337 BEAR.
&&
GorsePreliminary Local Storm Report
National Weather Service Mount Holly NJ
510 PM EDT Mon Jun 12 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0455 PM Rain Quarryville 39.78N 75.49W
06/12/2023 M3.29 inch New Castle DE Mesonet
Mesonet station EW2337 Bellevue Hills.
&&
GorsePreliminary Local Storm Report
National Weather Service Mount Holly NJ
514 PM EDT Mon Jun 12 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 PM Rain 3 W Townsend 39.39N 75.75W
06/12/2023 M3.41 inch New Castle DE Mesonet
Townsend DEOS station.
&&
GorseThe Dover AFB radar (KDOX), 93 km away, was scanning. The volume nearest the first event began at 21:17 UTC.
1 flash flood. Local standard time, as filed.
The intersection of Washington Street and West Seventh Street in New Castle was closed due to flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Delaware in 2023Every state in 2023This day in weather historyWarnings in Delaware, June 2023
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: 1095253.