Alert archive / Florida / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 215, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 23, 2003, 4:23 PM EDT for Duval County, Saint Johns County, Florida. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2003, 4:23 PM EDT (20:23 UTC)
- Expired
- Jul 23, 2003, 5:00 PM EDT
- In force
- 37 min
- Issued by
- NWS Jacksonville, FL
- Area
- Counties, with a storm outline in the text
Counties Duval County, FL, Saint Johns County, FL
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 8.4 hours before the alert went out and 45 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1138 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 775 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Jul 23, 2:55 PM EDT, 1 hour 28 minutes earlier.
Area forecast discussion, Jul 23, 2:55 PM EDT, 1 hour 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 255 PM EDT WED JUL 23 2003 ACTIVE WEATHER PATTERN CONTINUING TODAY WITH DEEP EAST COAST TROUGH STIRRING UP TROUBLE ACROSS THE CWA THIS AFTERNOON. LOOKING AT RADAR AND SATELLITE...EXPECT ACTIVITY TO CONTINUE WELL INTO THE EVENING HOURS BEFORE TAPERING OFF LATE. UPPER TROUGH BEGINS TO WEAKEN THURSDAY AS BERMUDA RIDGE BEGINS TO BUILD WEST. HOWEVER...SOUTHWEST FLOW SHOULD PERSIST THROUGH MOST OF THE DAY WITH WEAK SHORTWAVE ENERGY IN THE VICINITY. THUS EXPECT ONE MORE DAY OF NUMEROUS SHOWERS AND THUNDERSTORMS AREA-WIDE. LOW/MID LEVEL FLOW WEAKENS SOME THURSDAY SO EXPECT SLOWER MOVEMENT AND LOWER RISK OF SEVERE WX. FLOW TURNS SOUTHERLY FOR FRIDAY AS RIDGE ESTABLISHES ITSELF. EXPECT A MORE TYPICAL SEABREEZE SETUP BUT POPS STILL ON THE HIGH SIDE AS MOISTURE REMAINS ABUNDANT. BY SATURDAY...RIDGE AXIS SHIFTS NORTH OF THE AREA WITH EASTERLY FLOW BECOMING ESTABLISHED. THIS FLOW COMBINED WITH SLIGHTLY DRIER AIR WILL DIMINISH RAIN CHANCES DOWN TO NEAR CLIMO FOR A CHANGE. PROXIMITY OF RIDGE AXIS TO ALLOW TEMPS REACH LOW 90S MOST AREAS THROUGH EARLY NEXT WEEK. MARINE...BUOYS SHOWING AROUND 15 KNOTS CURRENTLY. EXPECT THIS TO CONTINUE INTO THE EVENING BEFORE SUBSIDING OVERNIGHT TO 10 TO 15 KNOTS. ONE MORE DAY OF SOUTHWEST FLOW BEFORE RIDGE BUILDS TO NORTH WITH EASTERLY FLOW FOR WEEKEND. FIRE WX...NO CONCERNS. .PRELIMINARY POINT TEMPS/POPS... AMG 72 85 71 90 / 50 60 30 30 SSI 75 83 75 84 / 50 60 30 40 JAX 72 87 73 88 / 50 60 30 50 SGJ 75 85 75 85 / 40 50 30 40 GNV 72 87 72 89 / 40 50 30 50 OCF 72 88 72 89 / 40 50 30 50 .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. CAMP/SHASHY
Hazardous weather outlook, Jul 23, 1:30 PM EDT, 2 hours 53 minutes before
FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-2312300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 130 PM EDT WED JUL 23 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTHEAST FLORIDA AND SOUTHEAST GEORGIA THIS AFTERNOON... THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE AREA THIS AFTERNOON AND EARLY EVENING. A FEW STORMS MAY BECOME SEVERE. THESE STORMS WILL PRODUCE STRONG DAMAGING WINDS...HAIL...FREQUENT LIGHTNING...AND LOCALLY VERY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... A FEW STRONG THUNDERSTORMS MAY DEVELOP ACROSS THE REGION THURSDAY AFTERNOON. OTHERWISE...NO OTHER HAZARDOUS WEATHER CONDITIONS ARE EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. SPOTTERS ARE REQUESTED TO SELF-ACTIVATE IF WARNINGS ARE ISSUED FOR YOUR LOCAL AREA. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WWW.SRH.NOAA.GOV/JAX. CAMP
In the hours before
Special weather statement, Jul 23, 2:56 PM EDT, 1 hour 27 minutes before
GAZ136-153-231930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 256 PM EDT WED JUL 23 2003 ...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR GLYNN AND EASTERN WAYNE COUNTIES FOR STRONG THUNDERSTORM WINDS VALID UNTIL 330 PM... AT 256 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED OVER THALMANN...MOVING NORTHEAST AT 35 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS AROUND THALMANN AND EVERETT THROUGH 330 PM EDT. GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. CARROLL
Special weather statement, Jul 23, 3:02 PM EDT, 1 hour 21 minutes before
GAZ150>152-231945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 302 PM EDT WED JUL 23 2003 ...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR NORTHERN WARE...PIERCE...AND WESTERN BRANTLEY COUNTIES FOR STRONG THUNDERSTORM WINDS VALID UNTIL 345 PM... AT 302 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 4 MILES WEST OF MANOR...MOVING EAST AT 30 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND MANOR...WARESBORO...NEEDHAM...WAYCROSS...SUNNYSIDE...DEENWOOD AND BLACKSHEAR THROUGH 345 PM EDT. GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. CARROLL
Special weather statement, Jul 23, 3:18 PM EDT, 1 hour 5 minutes before
FLZ032-037-232000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 318 PM EDT WED JUL 23 2003 ...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR NORTHERN PUTNAM AND CLAY COUNTIES FOR STRONG THUNDERSTORM WINDS VALID UNTIL 400 PM... AT 318 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 4 MILES NORTH OF JOHNSON...OR ABOUT 6 MILES WEST OF INTERLACHEN...MOVING NORTHEAST AT 35 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS AROUND PUTNAM HALL...MANNVILLE... JOHNSON...INTERLACHEN...HOLLISTER...CARRAWAY...FLORAHOME AND PENNEY FARMS THROUGH 400 PM EDT. GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. CARROLL
Special weather statement, Jul 23, 3:28 PM EDT, 55 minutes before
FLZ025-032-232000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 328 PM EDT WED JUL 23 2003 ...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR CLAY AND DUVAL COUNTIES FOR STRONG THUNDERSTORM WINDS VALID UNTIL 400 PM... AT 328 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 7 MILES WEST OF DOCTORS INLET...OR ABOUT 10 MILES WEST OF ORANGE PARK...MOVING NORTHEAST AT 25 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS AROUND DOCTORS INLET... JACKSONVILLE HEIGHTS...BELLAIR-MEADOWBROOK TERRACE...ORANGE PARK... ORTEGA...MANDARIN...RIVERSIDE AND SAN MARCO THROUGH 400 PM EDT. GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. CARROLL
Special weather statement, Jul 23, 3:48 PM EDT, 35 minutes before
GAZ136-151>153-232030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 348 PM EDT WED JUL 23 2003 ...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR EASTERN BACON...PIERCE...EASTERN WAYNE...AND NORTHWESTERN GLYNN COUNTIES FOR STRONG THUNDERSTORM WINDS VALID UNTIL 430 PM... AT 348 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 7 MILES WEST OF NAHUNTA...MOVING NORTHEAST AT 35 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS AROUND RAYBON...HORTENSE...ATKINSON...WAYNESVILLE...BROADHURST... THALMANN...GARDI AND EVERETT THROUGH 430 PM EDT. GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. CARROLL
Special weather statement, Jul 23, 3:56 PM EDT, 27 minutes before
FLZ033-232045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 356 PM EDT WED JUL 23 2003 ...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR NORTHERN SAINT JOHNS COUNTY FOR STRONG THUNDERSTORM WINDS VALID UNTIL 445 PM... AT 356 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A GUST FRONT FROM A THUNDERSTORM OVER MANDARIN MOVING SOUTHEAST INTO NORTHERN SAINT JOHNS COUNTY. THIS GUST FRONT WILL AFFECT AREAS AROUND SWITZERLAND...FRUIT COVE...DURBIN AND BAKERSVILLE THROUGH 445 PM EDT. GUSTY WINDS OF 40 TO 50 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. CARROLL
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 12:23 PM EDT | Special Marine Warning | JAX | 97 min | |
| Jul 23, 12:57 PM EDT | Severe Thunderstorm Warning | JAX | Marion, Putnam | 33 min |
| Jul 23, 1:00 PM EDT | Severe Thunderstorm Warning | JAX | Saint Johns | 45 min |
| Jul 23, 1:12 PM EDT | Special Marine Warning | JAX | 48 min | |
| Jul 23, 1:57 PM EDT | Special Marine Warning | JAX | 3 hr | |
| Jul 23, 1:57 PM EDT | Special Marine Warning | JAX | 3 hr | |
| Jul 23, 2:16 PM EDT | Severe Thunderstorm Warning | JAX | Flagler | 29 min |
| Jul 23, 3:45 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 45 min |
| Jul 23, 1:50 PM EDT | Severe Thunderstorm Warning | JAX | Coffee, Jeff Davis | 40 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.