High moisture content and slow storm motion producing locally heavy rainfall in Alachua County.
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 JAX wrote it up.
High moisture content and slow storm motion producing locally heavy rainfall in Alachua County.
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 Jul 10, 1:20 PM EST, 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 220 PM EDT SUN JUL 10 2011 .SYNOPSIS...UPPER HIGH NOW CENTERED OVER THE SC/GA LINE WITH TROF EXTENDING FROM OFFSHORE THE JAX COUNTY WARNING AREA (CWA) COAST TO SW GA. DRIER AIR NOTED NEAR AND N OF THE HIGH CENTER...BUT SAT DERIVED PRECIP H2O INDICATES 2+ INCH VALUES INTO S SC. AT THE SFC...COLD FRONT HAS NEARLY STALLED N OF THE CWA. TSTMS CONTINUE TO FIRE IN 2 AREAS...ONE OVER THE S 1/3 IN RESPONSE TO TAIL END OF MAIN VORT LOBE WHICH EXTENDS INTO THE ATLC. THE 2ND AREA IS ASSOCIATED WITH ANOTHER SPOKE OF VORTICITY AND A WEAK PRE-FRONTAL TROF OVER THE N ZONES. REGION IN BETWEEN THESE 2 AREAS HAS ONLY ISOLD SHOWERS AND STORMS ATTM...LIKELY DUE TO SOME WEAK NEGATIVE VORT ADVECTION...BUT TCU ARE NOTED EVEN IN THIS AREA. EARLY AFTN TEMPS RANGE FROM NEAR 80 IN RECENT RAIN AREAS TO THE LOWER 90S IN INLAND AREAS THAT HAVE YET TO RECEIVE RAIN. DEW POINTS REMAIN HIGH...MOSTLY IN THE MID TO UPPER 70S. .SHORT TERM...OUTFLOW FROM S CONVECTION IN CONCERT WITH ATLC SEABREEZE SHOULD SPREAD NW AND EVENTUALLY MEET UP WITH STORMS OVER INLAND SE GA. AS A RESULT...SHOWERS AND STORMS WILL CONTINUE TO FILL IN ACROSS THE REMAINDER OF THE AREA THRU THE AFTN. STORM MOTION WILL CONTINUE TO BE ERRATIC...WITH MOTION MOSTLY DOMINATED BY OUTFLOWS. HOWEVER...TALLER STORMS SHOULD MOVE IN A MORE S TO SE DIRECTION. DUE TO THE SLOW STORM MOTION...LOCALIZED RAINFALL AMOUNTS MAY EXCEED 2 INCHES. STRONG WIND GUSTS REMAIN POSSIBLE IN MOST INTENSE STORMS DUE TO PRECIP LOADING...BUT MOSTLY BELOW 40 MPH. MOISTURE AXIS THAT HAS RESIDED ACROSS THE AREA WILL SHIFT S OVER THE NEXT 48 HOURS. AS A RESULT...POPS WILL DECREASE FROM THE N AND NE. OUTSIDE OF PRECIP AREAS...TEMPS WILL WARM A BIT DUE TO HIGH PRESSURE ALOFT AND OVERALL INCREASING THICKNESSES...AS WELL AS SLOWLY DECREASING CLOUD COVER AND PRECIP. MAX TEMPS WILL APPROACH THE MID TO UPPER 90S OVER OUR INTERIOR SE GA ZONES BY TUE. AS MENTIONED BY MID SHIFT...HEAT INDICES WILL BE IN THE 105 TO 110 RANGE OVER GA ZONES. HAVE INCLUDED AREAS OF SMOKE FOR PORTIONS OF SE GA DOWNWIND FROM HONEY PRAIRIE WILDFIRE OVERNIGHT. PLUME SHOULD MOSTLY HEAD TOWARD THE NE OR E THRU THE NIGHT AFTER DISRUPTIONS THIS AFTN AND EVENING DUE TO SEABREEZE AND OUTFLOWS. .LONG TERM...WARMER TEMPS WILL CONTINUE INTO AT LEAST THU WITH BORDERLINE HEAT ADVISORY CRITERIA POSSIBLE OVER INLAND SE GA. HAVE MADE ONLY MINOR TWEAKS TO THE EXTENDED PACKAGE. && .AVIATION...TEMPO IFR/LIFR DUE TO HEAVY RAINFALL THIS AFTN. CONVECTION WILL DECREASE AFTER SUNSET WITH MVFR DUE TO BR POSSIBLE AT ALL TERMAINALS...WITH FU AT SSI LIKELY BETWEEN 02-08Z WHEN LOW LEVEL WINDS ARE EXPECTED TO BE SW. GUIDANCE INDICATES WNW WINDS BY DAYBREAK ACROSS SE GA...SO HAVE IMPROVED VSBYS AT SSI DUE TO SMOKE AFTER 08Z. && .MARINE...SSW FLOW WILL BECOME ONSHORE IN THE AFTN NEAR THE COAST WITH THE SEA BREEZE. WINDS WILL BE 10-15 KTS AND COMBINED SEAS GENERALLY 3 FT OR LESS...WITH SOME 4 FT HEIGHTS POSSIBLE FARTHER OFFSHORE TOWARD THE GULF STREAM THROUGH THE FORECAST PERIOD. && .PRELIMINARY POINT TEMPS/POPS... AMG 74 94 75 97 / 30 40 20 30 SSI 77 90 78 91 / 30 30 20 20 JAX 74 92 75 93 / 30 50 30 40 SGJ 75 89 76 90 / 30 50 30 40 GNV 73 91 74 93 / 30 60 30 40 OCF 73 92 74 93 / 30 60 30 50 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && CARROLL/ENYEDI/WALKER
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 445 AM EDT SUN JUL 10 2011 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-111000- HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY- ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE- JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY- INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN- COASTAL CAMDEN- 445 AM EDT SUN JUL 10 2011 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. ...STRONG STORMS AND LOCALLY HEAVY RAINFALL POSSIBLE... ...AREAS OF SMOKE ACROSS PORTIONS OF INLAND SOUTHEAST GEORGIA... .DAY ONE...TODAY AND TONIGHT... A BROAD AREA OF LOW PRESSURE OVER THE AREA WILL BE THE FOCUS OF NUMEROUS SHOWERS AND THUNDERSTORMS AGAIN TODAY. A DEVELOPING BAND OF SHOWERS AND STORMS ALONG THE GULF COAST IS EXPECTED TO SPREAD NORTHEAST ACROSS THE I-75 CORRIDOR THIS MORNING AND ACROSS MUCH OF THE REGION DURING THE AFTERNOON. A FEW STORMS MAY LINGER INTO THE EVENING. A FEW STORMS MAY ALSO BECOME STRONG AND PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING AND GUSTY WINDS. THE OTHER CONCERN WILL BE LOCALLY HEAVY RAINFALL AMOUNTS OF OVER 2 INCHES DUE TO THE SLOW STORM MOTION. SMOKE FROM THE HONEY PRAIRIE WILDFIRE WILL PUSH TO THE NORTHEAST OF THE FIRE LOCATION IMPACTING A PORTION OF INLAND SOUTHEAST GEORGIA...INCLUDING WAYCROSS...NAHUNTA...JESUP...AND POSSIBLY BRUNSWICK. VISIBILITIES MAY BE REDUCED TO LESS THAN A MILE AT TIMES...AND POSSIBLY MIX WITH FOG THIS BOTH THIS MORNING AND MONDAY MORNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE PERIOD. SLOW MOVING STORM MOTION WILL ALLOW FOR LOCALLY HEAVY RAINFALL TO REMAIN THE MAIN THREAT...ALTHOUGH A FEW STORMS DAILY COULD BECOME STRONG WITH GUSTY WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING. HIGH TEMPERATURES IN THE MID TO UPPER 90S ACROSS INLAND SOUTHEAST GEORGIA...ALONG WITH HIGH MOISTURE LEVELS WILL PUSH HEAT INDICES INTO THE 105 TO 110 DEGREE RANGE EACH AFTERNOON THROUGH MUCH OF THE WEEK. HEAT INDICES MAY POSSIBLY EXCEED 110 DEGREES IN A FEW SPOTS ACROSS INLAND SOUTHEAST GEORGIA ON WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX. PP
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1116 AM EDT SUN JUL 10 2011
FLZ037-101545-
PUTNAM-
1116 AM EDT SUN JUL 10 2011
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR EASTERN PUTNAM
COUNTY FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 1145 AM
EDT...
AT 1116 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS CENTERED 4 MILES NORTHWEST OF ORANGE MILLS...OR
4 MILES NORTH OF EAST PALATKA...MOVING SOUTHEAST AT 5 MPH. THESE
STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND BOSTWICK...
PALATKA...EAST PALATKA...ORANGE MILLS AND SAN MATEO THROUGH 1145 AM
EDT. EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55
MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. HEAVY RAINFALL
WILL PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF
LOW-LYING AREAS.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
LAT...LON 2957 8162 2972 8177 2981 8164 2972 8152
2965 8152
TIME...MOT...LOC 1516Z 304DEG 6KT 2971 8162
ENYEDISPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1152 AM EDT SUN JUL 10 2011
FLZ037-101615-
PUTNAM-
1152 AM EDT SUN JUL 10 2011
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR NORTHEASTERN
PUTNAM COUNTY FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL
1215 PM EDT...
AT 1152 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS CENTERED OVER BOSTWICK...OR 9 MILES NORTHWEST OF
HASTINGS...MOVING EAST AT 5 MPH. THESE STRONG THUNDERSTORMS WILL ALSO
AFFECT AREAS AROUND BOSTWICK THROUGH 1215 PM EDT. EXCESSIVE
CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE
EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. HEAVY RAINFALL WILL
PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING
AREAS.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
LAT...LON 2978 8176 2984 8170 2984 8158 2976 8152
2968 8152 2967 8153
TIME...MOT...LOC 1552Z 292DEG 5KT 2978 8163
ENYEDISPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
120 PM EDT SUN JUL 10 2011
FLZ033-101800-
ST. JOHNS-
120 PM EDT SUN JUL 10 2011
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR NORTHERN ST.
JOHNS COUNTY FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 200
PM EDT...
AT 121 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 4 MILES NORTHEAST
OF DURBIN TO 6 MILES NORTHEAST OF PICOLATA...MOVING SOUTH AT 5 MPH.
THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND DURBIN...
PICOLATA AND BAKERSVILLE THROUGH 200 PM EDT. EXCESSIVE
CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE
EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. HEAVY RAINFALL WILL
PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING
AREAS.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
LAT...LON 2997 8133 2985 8159 2991 8161 2995 8160
2998 8163 3006 8164 3011 8153 3011 8144
3016 8143 3019 8138
TIME...MOT...LOC 1721Z 000DEG 4KT 3011 8141 2999 8155
ENYEDIThe national radar mosaic for the moment the first event began.
2 heavy rain. Local standard time, as filed.
Two inches of rain was measured within 30 minutes near the intersection of NW 39th Ave and NW 34th Street in Gainesville.
About 6 inches of standing water was observed on Newberry Road near Interstate 75 in the westbound curbside lane. The water extended into the middle lane.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2011Every state in 2011This day in weather historyWarnings in Florida, July 2011
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: 318707, 318708.