Alert archive / Florida / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 57, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 5, 2007, 1:05 PM EDT for Baker County, Columbia County, Florida. It was in force for 40 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 5, 2007, 1:05 PM EDT (17:05 UTC)
- Expired
- Jun 5, 2007, 1:45 PM EDT
- In force
- 40 min
- Issued by
- NWS Jacksonville, FL
- Area
- Counties, with a storm outline in the text
Counties Baker County, FL, Columbia County, FL
The radar
The Jacksonville radar (KJAX), 76 km from the middle of the area, began a volume at 17:04 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.1 hours before the alert went out and 178 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
- 1038 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 554 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.6
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 5, 9:50 AM EDT, 3 hours 15 minutes earlier.
Area forecast discussion, Jun 5, 9:50 AM EDT, 3 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 950 AM EDT TUE JUN 5 2007 ...ANOTHER ROUND OF ISOLATED SEVERE THUNDERSTORMS POSSIBLE TODAY... .SHORT TERM...SIMILAR SETUP TO YESTERDAY...WITH PLENTY OF INSTABILITY AVAILABLE AND MID AND UPPER LEVEL FORCING FOR CONVECTIVE SUPPORT. 110 KT UPPER JET OVER THE AREA WITH ASCENT IN EXIT REGION MOVING RIGHT OVER THE AREA...Q VECTOR CONVERGENCE INDICATES BEST JET SUPPORT OVER SE GA. 06Z NAM ALSO INDICATES DIFFERENTIAL POSITIVE VORTICITY ADVECTION AND UPPER DIVERGENCE MOVING ACROSS THE PANHANDLE NEAR ONGOING TSTMS IN TAE AREA. THIS WILL CONTINUE TO SHIFT E DURING PERIOD OF MAX DAYTIME HEATING. PRECIP H20 CONTINUES AROUND 1.7 INCHES IN RIBBON ALONG GULF COAST AND THE FL/GA LINE. SPC HAS SE GA AND MOST OF NE FL UNDER A SLIGHT RISK OF SVR TSTMS FOR TODAY... WITH THE GREATEST THREATS HAIL AND WIND GUSTS. THERE IS ENUF WIND SHEAR...MAINLY SPEED SHEAR...FOR AN ISOLD TORNADO...PARTICULARLY NEAR FAVORABLE BOUNDARY INTERACTIONS. STORMS WILL CONTINUE MOVING RAPIDLY E...AND THIS SHOULD MITIGATE ANY FLOOD THREAT AND JUST BRING BENEFICIAL RAINS. WILL INDICATE STRONG TSTM VERBIAGE IN ZONES WITHIN SLIGHT RISK AREA AND BOOST POPS ABOUT 10 PERCENT...OTHERWISE LITTLE CHANGE EXPECTED. && .MARINE...WINDS HAVE COME DOWN BELOW SMALL CRAFT CRITERIA IN THE N OFFSHORE WATERS. WILL LEAVE CAUTION HEADLINE FOR ALL OF THE OFFSHORE ZONES. WILL BEEF UP TSTM WORDING AND MENTION THEM MOVING OFFSHORE. && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && CARROLL/LETRO/BARRON/WOLF
Hazardous weather outlook, Jun 5, 3:13 AM EDT, 9 hours 52 minutes before
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</html>In the hours before
Special weather statement, Jun 5, 11:54 AM EDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 1154 AM EDT TUE JUN 5 2007 FLZ033-051645- ST. JOHNS- 1154 AM EDT TUE JUN 5 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR ST. JOHNS COUNTY FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 1245 PM EDT... AT 1154 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 10 MILES WEST OF SOUTH PONTE VEDRA BEACH...OR 12 MILES SOUTHEAST OF FRUIT COVE...MOVING EAST AT 35 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND VILANO BEACH...SAINT AUGUSTINE...SOUTH PONTE VEDRA BEACH...GUANA RIVER STATE PARK AND ANASTASIA THROUGH 1245 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 40 TO 50 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. WOLF
Special weather statement, Jun 5, 12:52 PM EDT, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 1252 PM EDT TUE JUN 5 2007 FLZ020>023-051730- BAKER-COLUMBIA-HAMILTON-SUWANNEE- 1252 PM EDT TUE JUN 5 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHEAST SUWANNEE...NORTHWEST BAKER...NORTHERN COLUMBIA AND EASTERN HAMILTON COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 130 PM... AT 1252 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 6 MILES NORTHWEST OF WHITE SPRINGS...OR 6 MILES EAST OF SUWANNEE SPRINGS...MOVING EAST AT 25 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS AROUND WHITE SPRINGS AND BELMONT THROUGH 130 PM. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. CARROLL
Local storm report, Jun 5, 12:59 PM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1259 PM EDT TUE JUN 05 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1254 PM HAIL 10 SE JASPER 30.41N 82.84W
06/05/2007 M0.50 INCH HAMILTON FL EMERGENCY MNGR
HAIL REPORTED IN GENOA ALONG WITH LIMB DAMAGE.
&&
CARROLLThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 11:53 AM EDT | Special Marine Warning | JAX | 38 min | |
| Jun 5, 1:51 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 39 min |
| Jun 5, 2:02 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 43 min |
| Jun 5, 2:10 PM EDT | Severe Thunderstorm Warning | JAX | Saint Johns | 20 min |
| Jun 5, 2:21 PM EDT | Special Marine Warning | JAX | 84 min | |
| Jun 5, 3:41 PM EDT | Special Marine Warning | JAX | 42 min | |
| Jun 4, 8:48 PM EDT | Severe Thunderstorm Warning | JAX | Pierce | 27 min |
| Jun 5, 7:11 PM EDT | Severe Thunderstorm Warning | JAX | Coffee | 33 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.