Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 87, NWS Jacksonville, FL

May 15, 2006Nassau County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at May 15, 2006, 2:48 PM EDT for Nassau County, Florida. It was in force for 12 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: May 15, 2006, 2:48 PM EDT (18:48 UTC)
Expired: May 15, 2006, 3:00 PM EDT
In force: 12 min
Issued by: NWS Jacksonville, FL
Area: Counties, with a storm outline in the text

County Nassau County, FL

The radar

The Jacksonville radar (KJAX), 16 km from the middle of the area, began a volume at 18:51 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 15, 1:25 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

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 May 15, 2:44 PM EDT, 4 minutes earlier.

Area forecast discussion, May 15, 2:44 PM EDT, 4 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
244 PM EDT MON MAY 15 2006

...SEVERE THUNDERSTORM WATCH CONTINUES THROUGH 7 PM THIS EVENING...

.SHORT TERM...TONIGHT THROUGH WEDNESDAY NIGHT...

LARGE STACKED CUT-OFF LOW OVER THE OHIO VALLEY WILL DRIFT SLOWLY
NORTHWARD AND TAKE ANY LINGERING MOISTURE WITH IT.

TONIGHT...COLD FRONT WILL CONTINUE TO PRODUCE LOCAL SEVERE STORMS
OVER THE FORECAST AREA THROUGH SUNSET WITH LARGE HAIL THE MAIN
THREAT. THE FRONT WILL WEAKEN AND DRIFT INTO NORTH FLORIDA AFTER
SUNSET WITH ISOLATED THUNDERSTORM ACTIVITY LINGERING THROUGH THE
NIGHT.

TUESDAY...WITH COLD FRONT LINGERING OVER NORTH CENTRAL FLORIDA AND
DRIFTING ONLY SLOWLY SOUTHWARD WILL CONTINUE ISOLD/SCTD
THUNDERSTORMS ACRS NERN FL AND POINTS TO THE SOUTH WITH COOLER MAX
TEMPS AROUND 80 DEGREES.

TUESDAY NIGHT...COLD FRONT SHOULD WASH OUT ACRS CNTRL FL WITH LAST
OF ISOLD TSTM ACTIVITY ACRS NERN FL COASTAL AREAS. SKIES SHOULD
BECOME MOSTLY CLEAR WITH MIN TEMPS FALLING INTO THE 50S.

WEDNESDAY...MOSTLY SUNNY...COOL AND DRY CONDITIONS ARE EXPECTED WITH
HIGHS IN THE LOWER 80S.

WEDNESDAY NIGHT...MOSTLY CLEAR AND DRY CONDS WITH LOWS IN THE 50S
ONCE AGAIN.

.LONG TERM...THURSDAY THROUGH MONDAY...
SFC TO MID LEVEL FLOW WILL CONTINUE OUT OF THE WESTERLY QUADRANT
THROUGH THE WEEKEND AND EARLY NEXT WEEK. SOME WEAKENING FRONTAL
ZONES FROM THE NORTHWEST MAY INTRODUCE SLIGHT CHANCE TO CHANCE TSTM
POPS FROM THE WEEKEND INTO EARLY NEXT WEEK. TEMPERATURES WILL START
BELOW NORMAL ON THURSDAY AND SURGE CLOSER TO NEAR NORMAL VALUES OVER
THE WEEKEND.

&&

.MARINE...AFTER A MORNING FILLED WITH CLOSE TO EXERCISE CAUTION
VALUES OVER THE OFFSHORE WATERS...WINDS HAVE NOW SETTLED INTO THE 10
TO 15 KNOT RANGE. QUITE A DISPARITY FOR THE SHORT TERM WINDS AMONG
THE NAM AND THE GFS WITH THE GFS MUCH STRONGER AT 15 TO 20 KNOTS FOR
THE OVERNIGHT. WHILE THERE COULD CERTAINLY BE SOME CONVECTIVE GUSTS
HIGHER THAN THAT...WILL CAP WINDS AT 15 KNOTS FOR TONIGHT BEFORE THE
FRONT MOVES THROUGH. TRANQUIL CONDITIONS GENERALLY IN STORE IN THE
WAKE OF THE FRONT...BUT SCEC CONDITIONS MAY EMERGE BY THE WEEKEND IN
STRENGTHENING SOUTHWEST FLOW.

&&

.FIRE WEATHER...HAVE HOISTED A SMALL AREA WATCH FOR TUESDAY
AFTERNOON ALTHOUGH GUIDANCE NUMBERS HAVE QUITE A LARGE SPREAD. NAM
HANGS THE FRONT UP A LITTLE FURTHER NORTH AND CONSEQUENTLY KEEPS
HIGHER DEWPOINT VALUES OVER THE SUWANNEE VALLEY. FEEL GFS HAS THE
BEST HANDLE RIGHT NOW AND OUTFLOWS MAY AID FRONTAL PROGRESSION
OVERNIGHT. THIS WOULD PRODUCE AFTERNOON RH VALUES IN THE LOWER 30S
OVER THE SUWANNEE VALLEY AND HAS PROMPTED THE WATCH FOR THIS AREA.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  53  79  54  81 /  30   5   5   5
SSI  60  78  59  80 /  30   5  10   5
JAX  59  80  56  83 /  20  10  10  10
SGJ  64  77  59  80 /  30  30  20   5
GNV  61  81  55  83 /  20  20  20   5
OCF  63  81  56  83 /  30  40  20   5

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...FIRE WEATHER WATCH FROM 3 PM TUESDAY TO 7 PM TUESDAY FOR THE
     FOLLOWING ZONES: COLUMBIA...HAMILTON...AND SUWANNEE.

GA...NONE.
MARINE...NONE.
&&

PUBLIC...HESS
MARINE/FIRE WX...DEESE

Hazardous weather outlook, May 15, 1:36 PM EDT, 1 hour 12 minutes before

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In the hours before

Special weather statement, May 15, 2:23 PM EDT, 25 minutes before

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Local storm report, May 15, 2:25 PM EDT, 23 minutes before

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Local storm report, May 15, 2:31 PM EDT, 17 minutes before

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Special weather statement, May 15, 2:34 PM EDT, 14 minutes before

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Special weather statement, May 15, 2:36 PM EDT, 12 minutes before

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Local storm report, May 15, 2:40 PM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
240 PM EDT MON MAY 15 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 PM     HAIL             CALLAHAN                30.56N 81.83W
05/15/2006  E0.50 INCH       NASSAU             FL   PUBLIC

            DIME SIZE HAIL REPORTED BY MOTORIST ON U S 301 IN
            CALLAHAN.

&&

PKEEGAN

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 1:06 PM EDT	Severe Thunderstorm Warning	JAX	Hamilton, Suwannee	39 min
May 15, 1:27 PM EDT	Severe Thunderstorm Warning	JAX	Baker	48 min
May 15, 1:51 PM EDT	Special Marine Warning	JAX		114 min
May 15, 1:55 PM EDT	Severe Thunderstorm Warning	JAX	Nassau	50 min
May 15, 2:36 PM EDT	Fire Weather Watch	JAX	Suwannee	12 hr
May 15, 2:41 PM EDT	Severe Thunderstorm Warning	JAX	Duval	49 min
May 15, 3:44 PM EDT	Special Marine Warning	JAX		61 min
May 15, 4:52 PM EDT	Special Marine Warning	JAX		113 min
May 15, 6:46 PM EDT	Special Marine Warning	JAX		59 min
May 15, 6:52 PM EDT	Severe Thunderstorm Warning	JAX	Nassau	38 min
May 15, 7:31 PM EDT	Severe Thunderstorm Warning	JAX	Nassau	44 min
May 15, 7:41 PM EDT	Special Marine Warning	JAX		64 min
May 14, 9:27 PM EDT	Severe Thunderstorm Warning	JAX	Ware	33 min
May 14, 9:47 PM EDT	Severe Thunderstorm Warning	JAX	Brantley	28 min
May 15, 11:20 AM EDT	Severe Thunderstorm Warning	JAX	Clinch, Ware	40 min
May 15, 11:26 AM EDT	Severe Thunderstorm Warning	JAX	Wayne	44 min
May 15, 12:05 PM EDT	Severe Thunderstorm Warning	JAX	Brantley	25 min
May 15, 2:05 PM EDT	Severe Thunderstorm Warning	JAX	Camden	40 min
May 15, 4:15 PM EDT	Severe Thunderstorm Warning	JAX	Charlton	45 min
May 15, 4:34 PM EDT	Severe Thunderstorm Warning	JAX	Camden	41 min
May 15, 4:52 PM EDT	Severe Thunderstorm Warning	JAX	Glynn	22 min
May 15, 6:38 PM EDT	Severe Thunderstorm Warning	JAX	Clinch	22 min
May 15, 6:58 PM EDT	Severe Thunderstorm Warning	JAX	Charlton	32 min

Nearby

Severe Thunderstorm Warnings in Florida, 2006 Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.