Flood, St. Johns
- When
- June 21, 7:30 AM EST to 4:00 PM EST
- Where
- St. Johns County, Countywide
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 29.912, -81.410 (the zone’s center; the record gives no point)
Numerous streets flooded and closed
Flood in Florida, June 21, 2002
1 flood, as filed by the National Weather Service.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 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 Jacksonville, FL wrote its last area forecast discussion before the first event at Jun 21, 2:51 AM EST, 4 hours 39 minutes earlier.
Area forecast discussion, Jun 21, 2:51 AM EST, 4 hours 39 minutes before
AREA FORECAST DISCUSSION...UPDATED TO DROP SCA... NATIONAL WEATHER SERVICE JACKSONVILLE FL 351 AM EDT FRI JUN 21 2002 CURRENTLY...WATER VAPOR LOOP SHOWING UPPER TROF FROM THE MID-ATLC COAST TO THE FL PANHANDLE AND THE CENTRAL GOMEX. 2 PROMINENT SHORT WAVES EVIDENT...ONE AT THE BASE OF THE TROF (PRODUCING TSTMS SE OF KAQQ) AND ANOTHER DIVING S ALONG THE GA/AL BORDER. AT THE SFC... INVERTED TROF HAS CONTINUED TO DRIFT SLOWLY W...AND NOW EXTENDS FROM NE FL TO THE W GOMEX. PUBLIC...BELIEVE THE 2 SHORTWAVES WILL ACT TO TOTALLY CUT OFF A LOW (ALMOST HAS AS OF 06Z NR KTLH) AS THE MODELS HAVE BEEN INDICATING THE PAST FEW DAYS NR THE NE GULF COAST. GOOD SLUG OF DRY AIR COMING S WITH 2ND SHORT WAVE WHICH WILL REINFORCE DRY SLOT OVER N FL. THIS DRY SLOT...IN CONCERT WITH COOL TEMPS ALOFT...INCREASING UPPER DIVERGENCE...AND A VORT MAX MOVING NE ACROSS THE AREA THIS AFTN POINT AT THE POSSIBILITY OF SVR TSTMS OVER N FL (ESPECIALLY IF WE GET ENOUGH SFC HTG). ANOTHER WX PROBLEM TODAY WILL BE THE DEVELOPMENT OF HEAVY RAINFALL OVER EXTREME NE FL AND SE GA. MODELS ALL INDICATING A BIG SLUG OF MOISTURE WRAPPING BACK TOWARD THE NE FL/SE GA COAST AS THE UPPER LOW DEVELOPS. WITH INCREASING SFC WINDS IN RESPONSE TO LOWERING PRESSURES TO THE W AND BUILDING HI PRES TO THE NE...AREA OF INCREASING SFC MOISTURE FLUX CONVERGENCE POISED TO AFFECT THE COASTAL AREAS...ESPECIALLY SE GA. CAVEAT TO THIS IS AFOREMENTIONED DRY AIR INTRUSION. DO SEE HINT OF INCREASING SHOWERS OFF THE SE GA COAST. MESO-ETA FOUS PRECIP NUMBERS MOST IMPRESSIVE...WITH OVER 3.5 INCHES OF RAIN GENERATED OVER COASTAL GA TODAY THRU SAT. HIGH QPF NUMBERS FROM THE NGM AND AVN AS WELL...AND THIS AGREES WITH HPC QPF GUIDANCE OPF 2 INCHES OVER THE SAME AREA THRU THIS EVENING. WAS TOYING WITH THE IDEA OF AN FFA FOR A PORTION OF THE AREA...BUT THERE REMAINS ENOUGH UNCERTAINTY AS TO EXACT EXTENT OF PRECIP TO HOLD OFF. WILL WORD AREAS OF CONCERN WITH LOCALLY HEAVY RAINFALL WORDING IN ZFP AND HIT IN HWO. WILL MONITOR RADAR TRENDS LATER THIS MORNING...BUT WILL LIKELY LET LATER SHIFT CAN DECIDE IF A WATCH IS WARRANTED. AS FAR AS TEMP AND POP NUMBERS...WILL FOLLOW CLOSELY TO PREV PACKAGE. AS MENTIONED...WINDS WILL BE ON THE INCREASE TODAY... WITH BREEZY NEEDED OVER MUCH OF THE AREA...AND WINDY ALONG COASTAL LOCATIONS. EXTENDED...LITTLE CHANGE TO PREV THINKING. A GRADUAL SHIFT TO LOWER POPS AND WARMER TEMPS AS UPPER LOW RETROGRADES AND HIGH PRES RIDGE BUILDS OVER THE SE. MARINE...SCEC OVER ENTIRE AREA AS WINDS IN THE 15 TO 20 MPH RANGE WILL PREVAIL. PRELIM... AMG WW 082/068 084/068 087 31666 SSI WW 080/073 082/073 084 31887 JAX TT 083/070 085/071 087 31776 SGJ TT 082/073 084/074 085 31776 GNV TT 085/069 087/070 088 31756 OCF TT 085/069 087/071 089 31756= .JAX... .GA...NONE. .FL...NONE.. CARROLL/ZAPPE
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flood. Local standard time, as filed.
What these are
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Illinois, June 21 to 25, 2002
- Flash Flooding and Lightning Strike in Wisconsin, June 21 to 22, 2002
- Damaging Wind in Utah, June 21, 2002
- Flash Flood in Nevada, June 21, 2002
- Hail and Damaging Winds in Ohio, June 21, 2002
- Flash Flooding and Flood in Minnesota, June 21 to 22, 2002
- Flash Flooding and Hail in Michigan, June 21, 2002
- Damaging Wind in Utah, June 21, 2002
- Tornadoes in Iowa, June 21, 2002
- Damaging Wind in Wyoming, June 21, 2002
- Hail and Lightning Strike in Minnesota, June 21, 2002
- Hail and Damaging Winds in Wisconsin, June 21, 2002
More
Every storm in Florida in 2002Every state in 2002This day in weather historyWarnings in Florida, June 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: 5300953.