Alert archive / Florida / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 169, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 12, 2003, 2:29 PM EDT for Columbia County, Florida. It was in force for 46 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
- Jun 12, 2003, 2:29 PM EDT (18:29 UTC)
- Expired
- Jun 12, 2003, 3:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Jacksonville, FL
- Area
- Counties, with a storm outline in the text
County Columbia County, FL
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 6.5 hours before the alert went out and 281 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
- 1048 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 909 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- -3 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 Jun 12, 9:30 AM EDT, 4 hours 59 minutes earlier.
Area forecast discussion, Jun 12, 9:30 AM EDT, 4 hours 59 minutes before
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</html>Hazardous weather outlook, Jun 12, 12:21 PM EDT, 2 hours 8 minutes before
FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-122130- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 1221 PM EDT THU JUN 12 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED THUNDERSTORMS WILL FORM ALONG THE SEABREEZE FRONTS EARLY THEN INCREASE IN COVERAGE ACROSS INLAND AREAS BY LATE AFTERNOON. STORM MOTION WILL BE TO THE NORTHEAST AT 10 TO 15 MPH. THESE STORMS WILL DRIFT TOWARD THE EAST COAST THIS EVENING. ISOLATED PULSE SEVERE STORMS COULD DEVELOP AND THE PRIMARY HAZARDS WOULD BE FREQUENT LIGHTNING...DAMAGING DOWNBURST WINDS AND SMALL HAIL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP EACH DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME...HOWEVER STORM SPOTTERS ARE REQUESTED TO SELF-ACTIVATE IF WARNINGS ARE ISSUED FOR YOUR AREA. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WWW.SRH.NOAA.GOV/JAX. TRABERT
In the hours before
Special weather statement, Jun 12, 1:12 PM EDT, 1 hour 17 minutes before
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</html>Special weather statement, Jun 12, 2:20 PM EDT, 9 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 |
|---|---|---|---|---|
| Jun 12, 1:36 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Columbia | 39 min |
| Jun 12, 3:39 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 51 min |
| Jun 12, 3:42 PM EDT | Special Marine Warning | JAX | 63 min | |
| Jun 12, 5:22 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Camden | 38 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.