Alert archive / Florida / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 119, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 25, 2002, 4:32 PM EDT for Bradford County, Clay County, Florida. It was in force for 43 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 25, 2002, 4:32 PM EDT (20:32 UTC)
- Expired
- Jul 25, 2002, 5:15 PM EDT
- In force
- 43 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties
Counties Bradford County, FL, Clay County, FL
The radar
The Jacksonville radar (KJAX), 65 km from the middle of the area, began a volume at 20:31 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 25, 5:14 PM EDT | Thunderstorm Wind | Starke, FL | Large trees down on house and power lines down. Crosby Lake Subdivision. Trees down crossing 160th Street. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 8.5 hours before the alert went out and 67 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
- 543 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 982 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KJAX 252032 SVRJAX FLC007-019-252115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSONVILLE FL 431 PM EDT THU JUL 25 2002 THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLAY COUNTY IN NORTHEAST FLORIDA BRADFORD COUNTY IN NORTHERN FLORIDA * UNTIL 515 PM EDT * AT 431 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES WEST OF KEYSTONE HEIGHTS...OR ABOUT 7 MILES NORTHWEST OF MELROSE...MOVING NORTHEAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... KINGSLEY AT 440 PM EDT... PENNEY FARMS AT 445 PM EDT AND MIDDLEBURG AT 450 PM EDT. HAIL...INTENSE LIGHTNING...VERY HEAVY RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES. $$ LAT...LON 2983 8219 2972 8202 3004 8172 3018 8193 TRABERT
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 25, 2:30 PM EDT, 2 hours 2 minutes earlier.
Area forecast discussion, Jul 25, 2:30 PM EDT, 2 hours 2 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 230 PM EDT THU JUL 25 2002 12Z MODEL SUITE NOT AVAILABLE DUE TO NCEPS TEST. ONLY MM5 AVAILABLE AT THIS TIME. AFTER SEEING THIS MODEL...PREVIOUS FORECAST STILL LOOKS ON TRACK. WITH UPPER TROUGH RETROGRADING AND UPPER RIDGE BUILDING INTO AREA EXPECT NEAR CLIMO POPS AND TEMPERATURES NEXT FEW DAYS. 12Z KJAX SOUNDING SHOWS TYPICAL WARMING OF AIRMASS AND DRYING ALOFT SEEN WITH THIS PATTERN. EXCEPTION WILL BE SE GA LATE FRIDAY AS WEAK PVA DRIFTS INTO AREA FROM THE NORTH INCREASING POPS TO ABOVE CLIMATOLOGY. OTHERWISE EAST COAST SEABREEZE FRONT WILL BE MAIN TRIGGER FOR PM STORMS. MAY NEED TO MENTION HEAT INDICES AS TEMPERATURES REACH THE MID 90S NEXT FEW DAYS. MARINE...WITH HIGH PRESSURE RIDGE AXIS REMAINING JUST SOUTH OF AREA...LIGHT SW FLOW TO CONTINUE. NO HEADLINES. PRELIM... AMG TB 072/092 073/093 073 04464 SSI TB 074/090 075/092 075 04464 JAX BB 073/093 074/094 074 04453 SGJ BB 075/091 075/092 075 04453 GNV BB 072/093 073/094 073 04353 OCF BB 073/093 073/094 073 04353 .JAX... .GA...NONE. .FL...NONE. MZ/JH
In the hours before
Special weather statement, Jul 25, 11:30 AM EDT, 5 hours 2 minutes before
FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-252200- NORTHEAST FLORIDA/SOUTHEAST GEORGIA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 1130 AM EDT THU JUL 25 2002 ...SCATTERED THUNDERSTORMS EXPECTED THIS AFTERNOON AND EVENING... SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP TODAY ACROSS THE AREA. HOWEVER...THE COVERAGE OF STORMS WILL BE LESS THAN IN PREVIOUS DAYS. THE PRIMARY IMPACTS WILL BE LOCALLY HEAVY RAINFALL AND FREQUENT DEADLY LIGHTNING. IN ADDITION...WIND GUSTS OVER 40 MPH AND HAIL ARE POSSIBLE IN THE STRONGER STORMS. MOVEMENT OF THE ACTIVITY WILL GENERALLY BE TO THE EAST-NORTHEAST AT 10 TO 15 MPH. MARINERS ARE URGED TO SEEK SAFE HARBOR IMMEDIATELY IF HAZARDOUS WEATHER APPROACHES. ISOLATED STORMS MAY BECOME SEVERE...AND SPOTTERS ARE REQUESTED TO REPORT INCIDENTS OF FLOODING OR SEVERE WEATHER. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WWW.SRH.NOAA.GOV/JAX. HESS
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 3:49 PM EDT | Severe Thunderstorm Warning | JAX | Alachua | 41 min |
| Jul 25, 4:34 PM EDT | Severe Thunderstorm Warning | JAX | Bradford, Clay | 41 min |
| Jul 25, 4:53 PM EDT | Severe Thunderstorm Warning | JAX | Putnam | 37 min |
| Jul 25, 5:13 PM EDT | Severe Thunderstorm Warning | JAX | Clay | 47 min |
| Jul 25, 5:32 PM EDT | Severe Thunderstorm Warning | JAX | Putnam | 43 min |
| Jul 25, 6:18 PM EDT | Severe Thunderstorm Warning | JAX | Putnam | 42 min |
| Jul 25, 6:56 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 49 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2002Every severe thunderstorm warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.