Alert archive / Florida / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 231, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 25, 2007, 5:00 PM EDT for Flagler County, Florida. It was in force for 45 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
- Aug 25, 2007, 5:00 PM EDT (21:00 UTC)
- Expired
- Aug 25, 2007, 5:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Jacksonville, FL
- Area
- Counties, with a storm outline in the text
County Flagler County, FL
The radar
The Jacksonville radar (KJAX), 119 km from the middle of the area, began a volume at 21:03 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 9.0 hours before the alert went out and 135 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
- 792 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 4 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 Aug 25, 2:10 PM EDT, 2 hours 50 minutes earlier.
Area forecast discussion, Aug 25, 2:10 PM EDT, 2 hours 50 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 210 PM EDT SAT AUG 25 2007 .SHORT TERM...SCTD/NMRS SHRA/TSRA THIS AFTN SHOULD GRADUALLY DIMINISH WITH LOSS OF HEATING AND LACK OF DYNAMIC SUPPORT...WILL DECREASE POPS TO 20 BY LATE TNGT...THEN INCREASE BACK TO LIKELY TMRW AFTN GIVEN VERY MOIST AIRMASS AND WEAK SHEAR AXIS WITHIN UPPER RIDGE. WILL CONTINUE PREV FORECAST TEMPS WITH HIGHS SUN AROUND 90/LWR 90S AND LOWS IN LOW/MID 70S. WILL INCLUDE PATCHY FOG IN FORECAST FOR LATE TNGT. .LONG TERM...NO SIG CHANGES THROUGH THE MEDIUM RANGE. HIGH PRESSURE ALOFT OVER SOUTHEASTERN STATES MON/TUE REPLACED WITH WEAK TROUGH WED-FRI. SHOULD SEE CONTINUED RAIN CHANCES THROUGH WORKWEEK...MAXIMIZED IN THE AFTN WITH MINIMUM LATE AT NIGHT. LITTLE TEMP CHANGE IN FCST WITH HIGHS AROUND 90S/LWR 90S AND LOWS IN LOW/MID 70S. && .AVIATION...THIS MORNINGS SHOWER ACTIVITY WILL LIMIT AFTERNOON DEVELOPMENT...ALTHOUGH MVFR TO IFR CONDITIONS WILL STILL BE POSSIBLE IN TS. THE MAIN ACTIVITY WILL BE IN AREAS SOUTH OF KJAX AND KVLD CLEARING AFT 03Z. PATCHY MIFG WILL DEVELOP AFT 06Z AND DISSIPATE BY 14Z. && .MARINE...BUOY OBS ARE GENERALLY READING SEAS OF 3 TO 4 FEET AND SOME EAST TO SOUTHEASTERLY SWELL WILL LINGER THIS AFTERNOON. BY EARLY NEXT WEEK SEAS WILL LOWER TO 2 TO 3 FEET AS HIGH PRESSURE BUILDS BACK OVER THE AREA. NO HEADLINES ARE EXPECTED AT THIS TIME. && .PRELIMINARY POINT TEMPS/POPS... AMG 73 93 72 92 / 30 60 30 50 SSI 76 88 77 89 / 20 50 20 50 JAX 74 90 74 91 / 20 60 20 50 SGJ 75 89 75 89 / 20 60 20 50 GNV 73 91 72 91 / 40 60 20 50 OCF 73 91 73 91 / 50 60 20 50 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && WOLF/HURLBUT/WALKER
Hazardous weather outlook, Aug 25, 5:02 AM EDT, 11 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 502 AM EDT SAT AUG 25 2007 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-260915- 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- 502 AM EDT SAT AUG 25 2007 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... ...MODERATE RISK OF RIP CURRENTS AT AREA BEACHES TODAY... LONG PERIOD SWELLS WILL CONTINUE A MODERATE RISK OF RIP CURRENTS AT AREA BEACHES. REFER TO THE SURF ZONE FORECAST FOR MORE DETAILS. INCREASED SHOWER AND THUNDERSTORM ACTIVITY IS EXPECTED TODAY WITH NUMEROUS STORMS DEVELOPING BY AFTERNOON ACROSS SOUTHERN SECTIONS OF THE FORECAST AREA AND EXTENDING NORTHWARD ALONG INTERSTATE 75. SOME THUNDERSTORMS MAY BE STRONG WITH GUSTY WINDS...LOCALLY HEAVY RAINFALL...AND FREQUENT LIGHTNING THE MAIN THREATS. ADDITIONALLY...ATMOSPHERIC CONDITIONS ARE SUPPORTIVE OF BRIEF WATERSPOUTS WITH THE MORE INTENSE SHOWERS AND STORMS THAT DEVELOP OVER THE COASTAL WATERS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... A SURFACE TROUGH JUST TO THE NORTH OF THE AREA WILL SUPPORT NUMEROUS SHOWERS AND THUNDERSTORMS OVER THE AREA ON SUNDAY AFTERNOON WITH LOCALLY STRONG STORMS POSSIBLE ONCE AGAIN. THE FOCUS WILL SHIFT TO SOUTHEAST GEORGIA PRIMARILY FOR EARLY NEXT WEEK WITH CONTINUED HEAVY RAINFALL...GUSTY WINDS...AND FREQUENT LIGHTNING THE PRIMARY THREAT IN THE STRONGER ACTIVITY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX. DEESE
In the hours before
Special weather statement, Aug 25, 3:43 PM EDT, 1 hour 17 minutes before
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</html>Special weather statement, Aug 25, 4:42 PM EDT, 18 minutes before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 2:58 PM EDT | Severe Thunderstorm Warning | JAX | Alachua | 29 min |
| Aug 25, 3:35 PM EDT | Severe Thunderstorm Warning | JAX | Putnam | 25 min |
| Aug 25, 3:51 PM EDT | Severe Thunderstorm Warning | JAX | Suwannee | 24 min |
| Aug 25, 3:58 PM EDT | Severe Thunderstorm Warning | JAX | Putnam | 32 min |
| Aug 25, 4:12 PM EDT | Severe Thunderstorm Warning | JAX | Hamilton | 33 min |
| Aug 25, 4:19 PM EDT | Severe Thunderstorm Warning | JAX | Marion | 41 min |
| Aug 25, 5:44 PM EDT | Severe Thunderstorm Warning | JAX | Flagler | 31 min |
| Aug 25, 6:02 PM EDT | Severe Thunderstorm Warning | JAX | Jeff Davis | 28 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2007Every severe thunderstorm warning in 2007
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; radar from the NEXRAD Level II archive.