A strong cold frontal passage triggered severe thunderstorms across the northern half of Delaware on the afternoon of the 27th.
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 frontal passage triggered severe thunderstorms across the northern half of Delaware on the afternoon of the 27th.
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 27, 9:46 AM EST, 3 hours 36 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1046 AM EDT SUN JUL 27 2008 .SYNOPSIS... A COLD FRONT WILL MOVE ACROSS THE REGION LATER THIS AFTERNOON INTO TONIGHT. THE FRONT WILL MOVE OFFSHORE ON MONDAY. A LOW PRESSURE AREA OVER THE GREAT LAKES REGION ON WEDNESDAY WILL MOVE ACROSS THE REGION ON THURSDAY. HIGH PRESSURE WILL BUILD INTO THE AREA TOWARD THE END OF THE WEEK. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... A SURFACE ANALYSIS THIS MORNING SHOWS A COLD FRONT DRAPED FROM UPSTATE NEW YORK THROUGH CENTRAL PENNSYLVANIA, THEN BACK THROUGH THE OHIO VALLEY. MEANWHILE, A PRE-FRONTAL TROUGH WAS ANALYZED FROM EASTERN PENNSYLVANIA THROUGH VIRGINIA AND THE CAROLINAS. AN UPPER AIR ANALYSIS SHOWS A SHARPENING TROUGH IN THE GREAT LAKES, WITH WATER VAPOR IMAGERY SHOWING THIS FEATURE AMPLIFYING INTO THE NORTHEAST, WITH AN INITIAL SHORT WAVE FROM CENTRAL NEW YORK TO WEST VIRGINIA. AN UPPER-LEVEL JET IS POSITIONED FROM THE MIDWEST INTO THE MID ATLANTIC WITH A CYCLONICALLY CURVED JET BRUSHING WESTERN NEW ENGLAND. AS THE UPPER TROUGH CONTINUES TO SLIDE EASTWARD, HEIGHT FALLS WILL OCCUR ACROSS OUR AREA THIS AFTERNOON AND TONIGHT. THIS COMBINED WITH INCREASED LOW-LEVEL MOISTURE AND BUILDING INSTABILITY ON THE ORDER OF SOME 2500 J/KG WILL ALLOW FOR CONVECTIVE INITIATION. GIVEN THE INCREASED MOISTURE, THERE HAS BEEN SOME MAINLY MID TO HIGH CLOUDS AROUND. A STABILITY ANALYSIS AT 14Z, COURTESY OF THE LAPS DATA, ALREADY HAS SOME 2000 J/KG OF SBCAPE FROM ABOUT TRENTON ON SOUTH AND WESTWARD /LESS RIGHT ALONG THE COAST/. THE INCOMING HEIGHT FALLS COMBINED WITH PLENTY OF INSTABILITY AND SOME SHEAR POINT TO AN INCREASING CONVECTIVE THREAT. ONE FOCUSING MECHANISM MAY BE THE PRE-FRONTAL SURFACE TROUGH JUST TO OUR WEST. OUR SEVERE WEATHER CHECKLIST SUGGESTS THAT DAMAGING WINDS WILL BE THE PRIMARY THREAT, HOWEVER WITH WET- BULB ZERO HEIGHTS NEAR THE UPPER RANGE /ABOUT 11000 FEET/, SEVERE HAIL IS DEFINITELY POSSIBLE ESPECIALLY GIVEN THE PROJECTED INSTABILITY PROFILES WHICH WOULD TEND TO ENHANCE UPDRAFT STRENGTHS. WITH MODEST WESTERLY FLOW ALOFT, THERE APPEARS TO BE ENOUGH SHEAR TO PROMOTE STORMS TO ORGANIZE INTO LINES WITH POSSIBLY EVEN SOME MIDLEVEL STORM ROTATION. THE 12Z RAOB FROM STERLING, VIRGINIA HAS -10C AIR AT 500 MB, RELATIVELY STEEP LAPSE RATES AND A WEAK CAP. THIS RAOB ALSO HAS A DRY LAYER JUST BELOW THE MIDLEVELS, AND IF THIS WERE TO REMAIN, CONVECTIVE DOWNDRAFTS COULD BE ENHANCED. IN SUMMARY, LOCALLY DAMAGING WIND GUSTS AND HAIL WILL BE POSSIBLE WITH THE MORE ROBUST CONVECTIVE ELEMENTS THIS AFTERNOON AND EVENING. IN ADDITION, LOCAL DOWNPOURS WILL OCCUR WITH PW VALUES AROUND 1.5 INCHES AND GIVEN THE MOIST ATMOSPHERE, STORMS MAY TEND TO GENERATE FREQUENT CLOUD TO GROUND LIGHTNING. THE STORM PREDICTION CENTER /SPC/ CONTINUES WITH A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS OUR ENTIRE CWA. BASED ON THE ABOVE, WE MADE LITTLE IN THE WAY OF CHANGES TO THE GOING FORECAST AS IT LOOKS PRETTY GOOD WITH THE IDEA OF SHOWERS AND STORMS DEVELOPING AND BECOMING MORE NUMEROUS. THE TIMING OF ACTUAL INITIATION THOUGH IS MORE DIFFICULT GIVEN SOME CLOUD COVER AROUND AT THE MOMENT, HOWEVER REGIONAL RADAR IMAGERY SHOWING SOME CELLS ALREADY STARTING TO DEVELOP. SPC HAS INCREASED THE PERCENTAGE OF HAIL AND DAMAGING WINDS ACROSS OUR AREA, THEREFORE WE DECIDED TO BUMP UP THE ENHANCED WORDING, AND WE ALSO ADDED FREQUENT LIGHTNING. BASED ON TEMPERATURE TRENDS SO FAR TODAY, WE CONTINUED TO LEAN MORE TOWARD THE WARMER GFS HIGH TEMPERATURES THIS AFTERNOON ESPECIALLY ACROSS THE SOUTHERN AND EASTERN PORTIONS OF THE CWA. THE HOURLY GRIDS WERE UPDATED TO REFLECT THE CURRENT CONDITIONS AND ANTICIPATED TRENDS THROUGH THE AFTERNOON. WFO STERLING, VIRGINIA IS PLANNING TO LAUNCH A SPECIAL RAOB AROUND 18Z DUE TO THE THREAT OF SEVERE WEATHER. THAT IS ALL FOR NOW. ALL THE UPDATED PRODUCTS WILL BE SENT SHORTLY. HAVE A GREAT AFTERNOON AND KEEP AN EYE TO THE SKY && .SHORT TERM /6 PM THIS EVENING THROUGH MONDAY NIGHT/... FEW CHANGES IN THIS PERIOD FROM THE PREVIOUS FORECAST PACKAGE. FOR TONIGHT, WE MAINLY CONFINE THE POPS TO THE EVENING PERIOD, AND WE SWITCH THE HIGHER POPS TO THE SOUTHEAST AS THE UPPER JET AND THE ASSOCIATED IMPULSE PUSH THROUGH. FOR MONDAY...WITH UPPER TROUGH STILL ROTATING THROUGH...WENT WITH WIDELY SCT CONVECTION DURING AFTERNOON...RAN HIGHER THAN MOS POP GUIDANCE. WX IS DRY FOR MONDAY NIGHT. ETA MOS STILL LOOKS TOO COOL WITH TOO MUCH CLOUD COVER AND WENT WITH WARMER GFS MOS FOR MON HIGH TEMP. && .LONG TERM /TUESDAY THROUGH SATURDAY/... VERY FEW CHANGES FROM THE PREVIOUS FORECAST IN THIS TIME PERIOD. TRENDED A LITTLE WARMER FOR WED IN DEFERENCE TO LATEST GFS MOS. THERE IS PRETTY GOOD AGREEMENT ON THE LARGE SCALE PATTERN IN THE LONG TERM. AT MID LEVELS, THERE IS A MID LEVEL VORTEX OVER SOUTHEASTERN CANADA AND AN ASSOCIATED TROUGH DROPPING INTO OUR REGION. AT THE SURFACE, THERE IS AN ASSOCIATED BOUNDARY THAT HANGS AROUND THE MID-ATLANTIC REGION. CONFIDENCE IN TIMING ENERGY ROTATING AROUND THE MID LEVEL FEATURE AND THE ASSOCIATED SURFACE BOUNDARY IS NOT TERRIBLY HIGH, BUT PER THE ECMWF AND ITS ENSEMBLE MEAN, WHICH MAKE UP THE BULK OF WHAT HPC AND WE HAVE USED, THE BEST CHANCE FOR ACTIVITY LOOKS TO BE IN THE WEDNESDAY AFTERNOON TO THURSDAY AFTERNOON TIME FRAME. OTHERWISE, ANY POPS WILL BE IN THE SLIGHT CHANCE RANGE AS PER THE LOW LEVEL OF CONFIDENCE. TEMPERATURES THROUGH THE PERIOD ARE FORECAST TO BE AT OR A TAD ABOVE NORMAL. && .AVIATION /14Z SUNDAY THROUGH THURSDAY/... THE TAFS WERE UPDATED TO REFLECT THE LATEST THINKING. IT APPEARS THAT A GOOD AMOUNT OF CONVECTION SHOULD DEVELOP ACROSS THE ENTIRE AREA THIS AFTERNOON AS A COLD FRONT ARRIVES AND COMBINES WITH INSTABILITY AND UPPER-LEVEL SUPPORT. WE CHANGED TO A THUNDER MENTION AS OPPOSED TO SHOWERS AND A CB. GIVEN THE ATMOSPHERIC SET-UP THIS AFTERNOON, WE ADDED IN GUSTY WINDS IN A TEMPO GROUP WITH THUNDER AS SOME STORMS COULD BE RATHER GUSTY. IT IS STILL A BIT UNCLEAR ON HOW ORGANIZED STORMS CAN GET, BUT THEY MAY TEND TO DEVELOP INTO LINES. OTHERWISE, WE ARE EXPECTING THE LINGERING DEBRIS TYPE CLOUDS TO THIN SOME MORE OVER THE NEXT FEW HOURS WITH CUMULUS DEVELOPING WITH CONTINUED SURFACE HEATING AND DEW POINTS WELL INTO THE 60S TO NEAR 70. SOME OF THE MODEL GUIDANCE SUGGEST THAT THE STORMS TAPER OFF SOONER ESPECIALLY FOR KRDG AND KABE, THEREFORE WE TRIED TO INCORPORATE SOME OF THIS THINKING INTO THE UPDATED TAFS. GIVEN THE ATMOSPHERE SHOULD BE CONVECTIVELY OVERTURNED TONIGHT AND THE COLD FRONT SLIDES TO OUR EAST, CLOUD COVER IS EXPECTED TO BE ON THE DECREASE. A LIGHT SOUTH TO SOUTHWEST WIND WILL INCREASE SOME THROUGH THE AFTERNOON, AND MAY TEND TO TURN MORE TO THE SOUTH MAINLY AT KACY FOR AWHILE. OUTLOOK... THE COLD FRONT WILL SLIDE SOUTH AND EAST OF THE AREA AND THEN PROBABLY BECOME NEARLY STATIONARY THROUGH MIDWEEK. A LOW PRESSURE SYSTEM MAY MOVE THROUGH LATER WEDNESDAY INTO THURSDAY, POTENTIALLY BRINGING AN INCREASING CHANCE FOR SHOWERS AND THUNDERSTORMS. && .MARINE... SOUTHERLY FLOW WILL CONTINUE ACROSS THE WATERS IN ADVANCE OF AN APPROACHING COLD FRONT. THIS FRONT WILL CROSS THE REGION LATER THIS AFTERNOON AND EVENING THEN MOVE OFF THE COAST. IT IS LIKELY TO STALL SOUTH OF THE AREA. SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND IN ADVANCE OF THE FRONT, AIDED BY DAYTIME HEATING. LATEST WAVEWATCH DATA INDICATES THAT SEAS WILL REMAIN BELOW SCA CRITERIA, AND EVEN THOUGH WINDS WILL INCREASE IN ADVANCE OF THE FRONT AS THE GRADIENT TIGHTENS, THEY SHOULD NOT REACH CRITERIA EITHER. HIGH PRESSURE WILL THEN BUILD IN FOR MONDAY INTO TUESDAY. THERE IS SOME UNCERTAINTY AS TO WHETHER OR NOT ANOTHER SYSTEM WILL AFFECT THE REGION THROUGH MIDWEEK. && .PHI WATCHES/WARNINGS/ADVISORIES... PA...NONE. NJ...NONE. DE...NONE. MD...NONE. MARINE...NONE. && SYNOPSIS...SZATKOWSKI NEAR TERM...GORSE SHORT TERM...SZATKOWSKI LONG TERM...DELISI/SZATKOWSKI AVIATION...NIERENBERG/GORSE MARINE...NIERENBERG
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1149 AM EDT SUN JUL 27 2008 DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-055- 060>062-067>071-281200- NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET- MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER- CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 1149 AM EDT SUN JUL 27 2008 ...SEVERE THUNDERSTORM WATCH 759 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND 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. SOME THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND LARGE HAIL, AS WELL AS FREQUENT CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL THROUGH EARLY THIS EVENING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. ANZ450>455-281200- COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM- COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM- COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM- COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM- 1149 AM EDT SUN JUL 27 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT SOME THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY GUSTY WINDS, FREQUENT CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL THIS AFTERNOON AND EVENING. MARINERS SHOULD BE PREPARED TO SEEK SAFE HARBOR QUICKLY AS THE STORMS DEVELOP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. ANZ430-431-281200- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- 1149 AM EDT SUN JUL 27 2008 ...SEVERE THUNDERSTORM WATCH 759 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR DELAWARE BAY WATERS. .DAY ONE...THIS AFTERNOON AND 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. SOME THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND LARGE HAIL, AS WELL AS FREQUENT CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL THROUGH EARLY THIS EVENING. MARINERS SHOULD BE PREPARED TO SEEK SAFE HARBOR QUICKLY AS THE STORMS DEVELOP. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. GORSE
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1232 PM EDT SUN JUL 27 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1155 AM HAIL SINKING SPRING 40.32N 76.02W
07/27/2008 E0.50 INCH BERKS PA TRAINED SPOTTER
MARBLE SIZE HAIL, HALF-INCH IN DIAMETER, WAS REPORTED IN
THE SINKING SPRING AREA.
1206 PM HAIL 3 NNW SEAVILLE 39.25N 74.73W
07/27/2008 E0.75 INCH CAPE MAY NJ TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN UPPER TOWNSHIP.
1208 PM TSTM WND GST READING 40.34N 75.93W
07/27/2008 M59.00 MPH BERKS PA ASOS
A THUNDERSTORM WIND GUST OF 59 MPH WAS MEASURED AT THE
READING AIRPORT.
1220 PM HAIL OCEAN CITY 39.27N 74.60W
07/27/2008 E0.75 INCH CAPE MAY NJ TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN OCEAN CITY.
1225 PM FLOOD READING 40.34N 75.93W
07/27/2008 BERKS PA TRAINED SPOTTER
ROADWAY FLOODING REPORTED IN READING.
1230 PM HAIL ALBRIGHTSVILLE 41.01N 75.60W
07/27/2008 E0.25 INCH CARBON PA TRAINED SPOTTER
PEA SIZE HAIL REPORTED IN ALBRIGHTSVILLE.
&&
GORSEPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
132 PM EDT SUN JUL 27 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1155 AM HAIL SINKING SPRING 40.32N 76.02W
07/27/2008 E0.50 INCH BERKS PA TRAINED SPOTTER
MARBLE SIZE HAIL, HALF-INCH IN DIAMETER, WAS REPORTED IN
THE SINKING SPRING AREA.
1200 PM LIGHTNING SANDY HOOK 40.44N 73.99W
07/27/2008 MONMOUTH NJ TRAINED SPOTTER
3 PEOPLE WERE REPORTEDLY STRUCK BY LIGHTNING AROUND NOON
IN SANDY HOOK. NO OTHER DETAILS AT THIS TIME.
1206 PM HAIL 3 NNW SEAVILLE 39.25N 74.73W
07/27/2008 E0.75 INCH CAPE MAY NJ TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN UPPER TOWNSHIP.
1208 PM TSTM WND GST READING 40.34N 75.93W
07/27/2008 M59.00 MPH BERKS PA ASOS
A THUNDERSTORM WIND GUST OF 59 MPH WAS MEASURED AT THE
READING AIRPORT.
1220 PM HAIL OCEAN CITY 39.27N 74.60W
07/27/2008 E0.75 INCH CAPE MAY NJ TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN OCEAN CITY.
1225 PM FLOOD READING 40.34N 75.93W
07/27/2008 BERKS PA TRAINED SPOTTER
ROADWAY FLOODING REPORTED IN READING.
1230 PM HAIL ALBRIGHTSVILLE 41.01N 75.60W
07/27/2008 E0.25 INCH CARBON PA TRAINED SPOTTER
PEA SIZE HAIL REPORTED IN ALBRIGHTSVILLE.
1230 PM HAIL 1 NNE LORANE 40.31N 75.84W
07/27/2008 E0.50 INCH BERKS PA AMATEUR RADIO
MARBLE SIZE HAIL, ONE-HALF INCH IN DIAMETER, WAS REPORTED
IN EXETER TOWNSHIP.
1236 PM HAIL ALBRIGHTSVILLE 41.01N 75.60W
07/27/2008 E0.75 INCH CARBON PA TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN ALBRIGHTSVILLE, WITH A WIND
GUST TO 45 MPH.
1248 PM HAIL 3 NW BOYERTOWN 40.36N 75.68W
07/27/2008 E0.75 INCH BERKS PA TRAINED SPOTTER
HAIL UP TO THE SIZE OF PENNIES REPORTED NEAR BOYERTOWN.
1250 PM HAIL 3 N POTTSTOWN 40.29N 75.64W
07/27/2008 E0.75 INCH MONTGOMERY PA TRAINED SPOTTER
PENNY SIZE HAIL REPORTED NEAR POTTSTOWN.
1255 PM HAIL 6 SE HONEY BROOK 40.03N 75.83W
07/27/2008 E0.75 INCH CHESTER PA TRAINED SPOTTER
PENNY SIZE HAIL REPORTED ABOUT 6 MILES SOUTHEAST OF HONEY
BROOK. SPOTTER REPORT RELAYED BY WFO STATE COLLEGE.
1255 PM HEAVY RAIN ALBRIGHTSVILLE 41.01N 75.60W
07/27/2008 M1.45 INCH CARBON PA TRAINED SPOTTER
1.45 INCHES OF RAIN WAS MEASURED IN JUST 35 MINUTES IN
ALBRIGHTSVILLE.
1259 PM HAIL ROYERSFORD 40.19N 75.54W
07/27/2008 E0.75 INCH MONTGOMERY PA TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN ROYERSFORD.
0115 PM LIGHTNING CAPE MAY COURT HOUSE 38.94N 74.91W
07/27/2008 CAPE MAY NJ TRAINED SPOTTER
ONE PERSON WAS REPORTEDLY STRUCK BY LIGHTNING ON THE
BEACH IN CAPE MAY. NO OTHER DETAILS AT THIS TIME.
&&
GORSEPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
133 PM EDT SUN JUL 27 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1155 AM HAIL SINKING SPRING 40.32N 76.02W
07/27/2008 E0.50 INCH BERKS PA TRAINED SPOTTER
MARBLE SIZE HAIL, HALF-INCH IN DIAMETER, WAS REPORTED IN
THE SINKING SPRING AREA.
1200 PM LIGHTNING SANDY HOOK 40.44N 73.99W
07/27/2008 MONMOUTH NJ TRAINED SPOTTER
3 PEOPLE WERE REPORTEDLY STRUCK BY LIGHTNING AROUND NOON
IN SANDY HOOK. NO OTHER DETAILS AT THIS TIME.
1206 PM HAIL 3 NNW SEAVILLE 39.25N 74.73W
07/27/2008 E0.75 INCH CAPE MAY NJ TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN UPPER TOWNSHIP.
1208 PM TSTM WND GST READING 40.34N 75.93W
07/27/2008 M59.00 MPH BERKS PA ASOS
A THUNDERSTORM WIND GUST OF 59 MPH WAS MEASURED AT THE
READING AIRPORT.
1220 PM HAIL OCEAN CITY 39.27N 74.60W
07/27/2008 E0.75 INCH CAPE MAY NJ TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN OCEAN CITY.
1225 PM FLOOD READING 40.34N 75.93W
07/27/2008 BERKS PA TRAINED SPOTTER
ROADWAY FLOODING REPORTED IN READING.
1230 PM HAIL ALBRIGHTSVILLE 41.01N 75.60W
07/27/2008 E0.25 INCH CARBON PA TRAINED SPOTTER
PEA SIZE HAIL REPORTED IN ALBRIGHTSVILLE.
1230 PM HAIL 1 NNE LORANE 40.31N 75.84W
07/27/2008 E0.50 INCH BERKS PA AMATEUR RADIO
MARBLE SIZE HAIL, ONE-HALF INCH IN DIAMETER, WAS REPORTED
IN EXETER TOWNSHIP.
1236 PM HAIL ALBRIGHTSVILLE 41.01N 75.60W
07/27/2008 E0.75 INCH CARBON PA TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN ALBRIGHTSVILLE, WITH A WIND
GUST TO 45 MPH.
1248 PM HAIL 3 NW BOYERTOWN 40.36N 75.68W
07/27/2008 E0.75 INCH BERKS PA TRAINED SPOTTER
HAIL UP TO THE SIZE OF PENNIES REPORTED NEAR BOYERTOWN.
1250 PM HAIL 3 N POTTSTOWN 40.29N 75.64W
07/27/2008 E0.75 INCH MONTGOMERY PA TRAINED SPOTTER
PENNY SIZE HAIL REPORTED NEAR POTTSTOWN.
1255 PM HAIL 6 SE HONEY BROOK 40.03N 75.83W
07/27/2008 E0.75 INCH CHESTER PA TRAINED SPOTTER
PENNY SIZE HAIL REPORTED ABOUT 6 MILES SOUTHEAST OF HONEY
BROOK. SPOTTER REPORT RELAYED BY WFO STATE COLLEGE.
1255 PM HEAVY RAIN ALBRIGHTSVILLE 41.01N 75.60W
07/27/2008 M1.45 INCH CARBON PA TRAINED SPOTTER
1.45 INCHES OF RAIN WAS MEASURED IN JUST 35 MINUTES IN
ALBRIGHTSVILLE.
1259 PM HAIL ROYERSFORD 40.19N 75.54W
07/27/2008 E0.75 INCH MONTGOMERY PA TRAINED SPOTTER
PENNY SIZE HAIL REPORTED IN ROYERSFORD.
0115 PM LIGHTNING CAPE MAY 38.94N 74.91W
07/27/2008 CAPE MAY NJ TRAINED SPOTTER
ONE PERSON WAS REPORTEDLY STRUCK BY LIGHTNING ON THE
BEACH IN CAPE MAY. NO OTHER DETAILS AT THIS TIME.
&&
GORSEThe Dover AFB radar (KDOX), 92 km away, was scanning. The volume nearest the first event began at 18:22 UTC.
1 hail, 1 thunderstorm wind. Local standard time, as filed.
A Skywarn spotter reported penny size hail in Bear. The same thunderstorm produced a wind gust to 55 mph in Delaware City.
A severe thunderstorm tore down large tree limbs and wires in central Kent County in and around Dover.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Delaware in 2008Every state in 2008This day in weather historyWarnings in Delaware, July 2008
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: 125169, 125233.