Hail, Grand Isle
- When
- July 3, 8:05 PM EST
- Where
- Grand Isle County, South Hero
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.650, -73.317
Hail in Vermont, July 3, 2002
A cold front along the Canadian-United States border triggered locally severe thunderstorms Wednesday night, July 3rd.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What happened
The episode as NWS BTV wrote it up.
A cold front along the Canadian-United States border triggered locally severe thunderstorms Wednesday night, July 3rd.
What forecasters said that day
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 Burlington, VT wrote its last area forecast discussion before the first event at Jul 3, 2:40 PM EST, 5 hours 25 minutes earlier.
Area forecast discussion, Jul 3, 2:40 PM EST, 5 hours 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BURLINGTON VT 340 PM EDT WED JUL 3 2002 BIG CHGS IN TEMPS THIS FCST PD AS MCH COOLER AMS MVS INTO RGN BY FRI AS AMPLIFYING UPR TROF SETS UP ACRS RGN. WL HAV TO CONTEND WITH ONE MORE DAY OF HEAT/HMDTY THU ALTHO NOT QUITE AS BAD AS PAST 2 DAYS. CRNT/SHORT TERM...OPPRESSIVE AMS IN PLC WITH TMPS 90-95 AND DWPTS L/M 70S. THIS PRODG CAPES AS HIGH AS 4000-4500 J/KG IN CHMPLN VLY WITH 2500-3500 J/KG ELSW. LAPS CIN INDCTG NO CAP ACRS RGN AND VIS PIX SHWS PLENTY OF CU OVR MTNS BUT LAPS SNDGS SHW WRM LYR ARND 700 MB. ONE CELL HAS JUST DVPD OVR ADRNCKS SO EROSION OF ANY MID LVL CAP TAKING PLC. MID LVL TROF AXIS AND SLGT COOLG ALF APCHG CNDN BDR. SFC BNDRY NOTED N OF BDR WITH SGFNTLY LWR DPTS U50S/L60S N OF BNDRY. RUC INDCTG BNDRY DROPPING S TO CNDN BDR TNGT AND COMBINED WITH SOME MID LVL COOLG TO FRTHR ERODE CAP...CANT RULE OUT TSTMS THRUT TNGT PD... MAINLY N ZNS AS FCST CAPES RMN QUITE HI. CRNTLY...TSTMS ALSO FIRING ALG W PART OF BNDRY ACRS NRN MI AND WL HAV TO WATCH THIS ACTVTY AS IT TRIES TO MOV EWD ALG THE BNDRY. WND FIELD/SHEAR MRGNL BUT INSTABY STG ENUF FOR ISOLD SVR. LONGER TERM...NXT FNT WL COME THRU IN 2 STAGES. INITL FROPA WL BE DEWPT FNT WHICH WL COME THRU DURG THU AFTN FOLWD BY SHAPR DECR IN DWPTS. WL INCL CHC TSTMS UNTIL THIS FIRST FROPA...THEN FALLING DWPTS SHD CAP ADDITL CNCVCTN. MID LVL WNDS INCRG DURG THE DAY BUT INSTABY DECRG SO WL NOT ADD ENHANCED WORDG. BASED ON H8 TMPS OF 16- 18...ANOTHER VRY WARM/HOT DAY XPCTD THU WITH HUMID CONDS DURG THE MRNG. H8 TMPS FALLING DURG AFTN BUT CANT RULE OUT 90 DGRS...ESP E ZNS WHERE COOLG LAST TO OCCUR. THU NGT/FRI...2ND FNT WITH STG CAA MVS THRU THU NGT. MDLS DIFFER ON TRACK OF AMPLIFYING TROF/UPR LOW AS IT MVS SWD FM JAMES BAY. ETA MVS IT ACRS FA DURG FRI WHILE AVN/GEM TAKE IT ACRS N ME. WL LEAN TWD AVN SOLN. STG S/WV ROTATING ARND UPR LOW MVS ACRS RGN 06-12Z FRI SO ADDED CHC SHWRS N ZNS FOR LT THU NGT AND EVERYWHERE DURG FRI AS FA UNDER CIRC OF UPR LOW COMBINED WITH INCRG MSTR AND STEEP LPS RATES. TMPS WL BE MCH COOLER FRI RNGG FM U60S ADRNDCKS TO L/M 70S ELSW AS H8 TMPS COOLG TO 6-8. XTNDD...FA STILL UNDER INFLUENCE OF UPR LOW AND DEEPER MSTR SAT SO XPCT LOTS OF CLDS AND CONTD COOL. ANOTHER S/WV ROTATING ARND UPR LOW MVS CLS TO NE VT SO KEPT CHC SHWRS FOR THIS AREA SAT. THEN HGTS GRDLY RISG INTO ERLY NXT WEEK WHICH WL BRING TMPS BACK CLS TO SEASONABLE LVLS BEFORE ANOTHER COOL DOWN BY MIDWEEK. GENLY DRY SUN/MON THEN CHC SHWRS TUE ASSCD WITH CDFNT AND AGAIN WED IN COOLER/UNSTABLE PATTERN. .BTV...NONE. KJC
The radar
The Burlington radar (KCXX), 19 km away, was scanning. The volume nearest the first event began at 01:02 UTC.
Event by event
1 hail. Local standard time, as filed.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flooding and Hail in Georgia, July 3, 2002
- Flash Flooding in Texas, July 3 to 4, 2002
- Lightning Strike in Florida, July 3, 2002
- Lightning Strike in Virginia, July 3 to 4, 2002
- Damaging Wind in South Carolina, July 3, 2002
- Damaging Wind in South Carolina, July 3, 2002
- Flash Flooding and Hail in Virginia, July 3, 2002
- Hail and Damaging Wind in North Carolina, July 3, 2002
- Damaging Wind in Tennessee, July 3, 2002
- Damaging Wind in Tennessee, July 3, 2002
- Flash Flooding in Texas, July 3, 2002
- Damaging Wind in South Carolina, July 3, 2002
More
Every storm in Vermont in 2002Every state in 2002This day in weather historyWarnings in Vermont, July 2002
Sources
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: 5310052.