Alert archive / Florida / Special Weather Statements in 2012
Special Weather Statement, NWS Jacksonville, FL
NWS Jacksonville, FL issued this special weather statement at May 29, 2012, 3:39 PM EDT for Nassau County, Florida. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 29, 2012, 3:39 PM EDT (19:39 UTC)
- Expired
- May 29, 2012, 4:15 PM EDT
- In force
- 36 min
- Issued by
- NWS Jacksonville, FL
County Nassau County, FL
The radar
The Jacksonville radar (KJAX), 27 km from the middle of the area, began a volume at 19:39 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
Jacksonville, FL (KJAX), launched 12:00Z, 7.7 hours before the alert went out and 25 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
- 262 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at May 29, 2:09 PM EDT, 1 hour 30 minutes earlier.
Area forecast discussion, May 29, 2:09 PM EDT, 1 hour 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
209 PM EDT TUE MAY 29 2012
...BERYL EXITING TO THE NORTHEAST...
.SHORT TERM /TONIGHT THROUGH FRIDAY/...
TD BERYL CONTINUES TO MOVE NORTHEAST INTO SOUTHERN GEORGIA...WITH
A RAINBAND EXITING LAND AREAS INTO THE COASTAL WATERS. BEHIND THE
BAND...SCATTERED TO NUMEROUS SHOWERS WILL CROSS THE AREA THROUGH
LATE THIS AFTN...ALONG WITH ISOLATED THUNDERSTORMS. A FEW OF THE
STRONGER SHOWERS/STORMS COULD PRODUCE GUSTY WINDS WITH PERHAPS
A STORM OR TWO THAT COULD HAVE WEAK ROTATION. ACTIVITY WILL
DIMINISH THIS EVENING AS BERYL CONTINUES TO MOVE TO THE NORTHEAST.
WITH THE HEAVY RAINFALL POTENTIAL DIMINISHING...WILL CANCEL THE
FLOOD WATCH. UPPER 60S TO LOWER 70S WILL PREVAIL FOR LOW TEMPS
TNGT. FOR WEDNESDAY...WESTERLY FLOW WILL RESULT IN A WARMUP...WITH
HIGHS IN THE UPPER 80S TO LOWER 90S. WITH WEAK LIFT AND SUFFICIENT
HEATING...AND EXPECT SCATTERED SHWRS/TSTMS WILL DEVELOP WEDNESDAY
AFTN...BUT WITH LESSER COVERAGE THAN THIS AFTN.
AN UPPER TROUGH WILL DIG ACROSS THE SOUTHEASTERN UNITED STATES
FOR WEDNESDAY NIGHT THROUGH FRIDAY. IN ADDITION TO THE INSTABILITY
GENERATED BY DIURNAL HEATING AND SEA BREEZE INTERACTIONS...THE
PRESENCE OF THIS UPPER TROUGH WILL ACT TO FURTHER DESTABILIZE THE
ATMOSPHERE. NEAR TO JUST ABOVE NORMAL TEMPERATURES ARE EXPECTED
FOR THIS PERIOD.
.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
A WEAK SURFACE BOUNDARY WILL SLIDE ACROSS THE REGION FRIDAY NIGHT
INTO EARLY SATURDAY. RIDGING AT THE SURFACE AND ALOFT WILL BEGIN
TO BUILD ACROSS THE SOUTHEASTERN UNITED STATES FOR SUNDAY THROUGH
THE FIRST HALF OF NEXT WEEK. THIS PATTERN SHOULD RESULT IN ABOVE
NORMAL TEMPERATURES...WITH LOWER RAIN CHANCES.
&&
.AVIATION...
AS THE REMNANTS OF BERYL CONTINUES ITS NORTHEAST TRACK CONDITIONS
WILL IMPROVE ACROSS AREA TERMINALS THIS 18Z TAF PERIOD. BANDS WILL
CONTINUE TO SPIN AROUND THIS SYSTEM THROUGH THE AFTERNOON AND
EVENING HOURS. THEREFORE...MVFR WITH A FEW BRIEF PERIODS OF IFR IN
HEAVIER SHOWERS WILL BE POSSIBLE THROUGH THIS EVENING. A FEW
THUNDERSTORMS WILL ALSO BE POSSIBLE ACROSS THE AREA INTO THE EARLY
EVENING. REDUCED CONDITIONS WILL LINGER A LITTLE LONGER TONIGHT AT
KSSI...CLOSER TO THE EXITING BERYL. WIND GUSTS WILL ALSO DIMINISH
TONIGHT.
CONDITIONS ARE EXPECTED TO TREND TOWARD VFR TONIGHT...WITH VFR
EXPECTED TO PREVAIL WEDNESDAY MORNING.
&&
.MARINE...
WINDS WILL TURN TO THE SOUTHWEST TONIGHT AS BERYL EXITS TO THE NORTH
THEN EAST. WILL CONTINUE SCA FOR INNER WATERS THROUGH TONIGHT AND
FOR THE OUTER WATERS THROUGH WEDNESDAY MORNING. CONDITIONS UNDER
SCEC WILL PREVAIL WEDNESDAY NIGHT THROUGH THE WEEKEND.
RIP CURRENTS: MODERATE RISK THROUGH TONIGHT...LOW RISK WEDNESDAY.
&&
.HYDROLOGY...
RECENT HEAVY RAINS FROM TS BERYL WILL RESULT IN SIGNIFICANT RISES
ALONG THE ST MARYS RIVER AT MACCLENNY AND THE NORTH FORK OF THE
BLACK CREEK AT MIDDLEBURG OVER THE NEXT FEW DAYS. NO SIGNIFICANT
RISES ARE EXPECTED ALONG OUR OTHER RIVER SITES.
THE ST MARYS RIVER AT MACCLENNY IS FORECAST TO CREST AT 10.7 FEET
THURSDAY MORNING. THE RIVER IS FORECAST TO REMAIN BELOW FLOOD
STAGE...BUT WILL CREST ABOVE ACTION STAGE. ACTION STAGE FOR THE ST
MARYS RIVER AT MACCLENNY IS 10.0 FEET...AND FLOOD STAGE IS 12.0
FEET.
THE NORTH FORK OF THE BLACK CREEK AT MIDDLEBURG IS FORECAST TO
CREST AT 12.0 FEET WEDNESDAY AFTERNOON. THE RIVER IS FORECAST TO
REMAIN BELOW FLOOD STAGE...BUT WILL CREST ABOVE ACTION STAGE.
ACTION STAGE FOR THE NORTH FORK OF THE BLACK CREEK AT MIDDLEBURG
IS 11.0 FEET...AND FLOOD STAGE IS 16.0 FEET.
&&
.PRELIMINARY POINT TEMPS/POPS...
AMG 70 94 67 94 / 40 40 40 50
SSI 71 86 73 87 / 50 30 30 30
JAX 70 91 69 91 / 40 40 40 40
SGJ 71 88 72 87 / 40 40 40 40
GNV 69 92 69 92 / 40 30 30 30
OCF 71 92 70 92 / 40 30 30 30
&&
.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...SMALL CRAFT ADVISORY UNTIL NOON EDT WEDNESDAY FOR ALTAMAHA SOUND
GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-
FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-
ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE.
SMALL CRAFT ADVISORY UNTIL 6 AM EDT WEDNESDAY FOR ALTAMAHA SOUND
GA TO FERNANDINA BEACH FL OUT 20 NM-FERNANDINA BEACH TO ST
AUGUSTINE FL OUT 20 NM-ST AUGUSTINE TO FLAGLER BEACH FL OUT
20 NM.
&&
ALLEN/STRUBLE/WOLF/ENYEDI/CHASEHazardous weather outlook, May 29, 5:11 AM EDT, 10 hours 28 minutes before
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</html>In the hours before
Special weather statement, May 29, 1:53 PM EDT, 1 hour 46 minutes before
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</html>Local storm report, May 29, 2:00 PM EDT, 1 hour 39 minutes before
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</html>Special weather statement, May 29, 2:18 PM EDT, 1 hour 21 minutes before
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</html>Local storm report, May 29, 2:39 PM EDT, 1 hour before
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</html>Special weather statement, May 29, 2:45 PM EDT, 54 minutes before
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</html>Special weather statement, May 29, 3:39 PM EDT, 0 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 |
|---|---|---|---|---|
| May 28, 8:22 PM EDT | Lake Wind Advisory | JAX | Nassau | 8 hr |
| May 28, 8:46 PM EDT | Special Weather Statement | JAX | Alachua | 44 min |
| May 28, 9:23 PM EDT | Special Weather Statement | JAX | Flagler | 52 min |
| May 28, 9:29 PM EDT | Special Weather Statement | JAX | Alachua | 46 min |
| May 28, 9:34 PM EDT | Areal Flood Advisory | JAX | Alachua, Bradford, Clay, Marion, Putnam | 56 min |
| May 28, 9:56 PM EDT | Special Weather Statement | JAX | Saint Johns | 34 min |
| May 28, 10:13 PM EDT | Special Weather Statement | JAX | Marion, Putnam | 32 min |
| May 28, 10:28 PM EDT | Areal Flood Advisory | JAX | Alachua, Marion, Putnam | 62 min |
| May 28, 10:35 PM EDT | Special Marine Warning | JAX | 55 min | |
| May 28, 10:43 PM EDT | Special Weather Statement | JAX | Duval | 32 min |
| May 28, 10:46 PM EDT | Special Weather Statement | JAX | Marion | 29 min |
| May 28, 10:50 PM EDT | Areal Flood Warning | JAX | Marion | 3 hr |
| May 28, 11:18 PM EDT | Special Weather Statement | JAX | Marion | 42 min |
| May 28, 11:53 PM EDT | Special Weather Statement | JAX | Suwannee | 37 min |
| May 29, 12:00 AM EDT | Special Weather Statement | JAX | Marion | 30 min |
| May 29, 12:16 AM EDT | Flash Flood Warning | JAX | Marion | 3 hr |
| May 29, 12:40 AM EDT | Special Weather Statement | JAX | Columbia | 50 min |
| May 29, 12:51 AM EDT | Areal Flood Warning | JAX | Columbia, Gilchrist, Hamilton, Suwannee | 3 hr |
| May 29, 2:08 AM EDT | Special Weather Statement | JAX | Marion | 52 min |
| May 29, 2:50 AM EDT | Special Marine Warning | JAX | 55 min | |
| May 29, 3:10 AM EDT | Areal Flood Warning | JAX | Marion, Putnam | 4 hr |
| May 29, 3:58 AM EDT | Areal Flood Warning | JAX | Columbia, Hamilton, Suwannee | 3 hr |
| May 29, 4:40 AM EDT | Special Weather Statement | JAX | Suwannee | 35 min |
| May 29, 5:14 AM EDT | Flash Flood Warning | JAX | Suwannee | 3 hr |
| May 29, 5:17 AM EDT | Special Weather Statement | JAX | Suwannee | 43 min |
| May 29, 5:59 AM EDT | Special Weather Statement | JAX | Columbia | 31 min |
| May 29, 6:26 AM EDT | Special Weather Statement | JAX | Columbia | 34 min |
| May 29, 6:52 AM EDT | Areal Flood Warning | JAX | Baker, Columbia, Gilchrist, Union | 3 hr |
| May 29, 6:52 AM EDT | Special Weather Statement | JAX | Union | 38 min |
| May 29, 8:30 AM EDT | Special Weather Statement | JAX | Baker | 45 min |
| May 29, 9:26 AM EDT | Special Weather Statement | JAX | Alachua | 34 min |
| May 29, 9:51 AM EDT | Special Weather Statement | JAX | Alachua, Bradford | 39 min |
| May 29, 10:46 AM EDT | Special Weather Statement | JAX | Alachua | 44 min |
| May 29, 1:20 PM EDT | Special Weather Statement | JAX | Union | 40 min |
| May 29, 1:34 PM EDT | Special Weather Statement | JAX | Baker | 26 min |
| May 29, 1:46 PM EDT | Special Weather Statement | JAX | Columbia | 44 min |
| May 29, 1:53 PM EDT | Special Weather Statement | JAX | Union | 52 min |
| May 29, 2:18 PM EDT | Special Weather Statement | JAX | Citrus | 27 min |
| May 29, 2:45 PM EDT | Special Weather Statement | JAX | Bradford, Union | 60 min |
| May 29, 3:43 PM EDT | Tornado Warning | JAX | Bradford, Union | 32 min |
| May 29, 4:19 PM EDT | Special Weather Statement | JAX | Baker | 26 min |
| May 29, 4:44 PM EDT | Special Weather Statement | JAX | Duval | 46 min |
| May 29, 4:49 PM EDT | Areal Flood Advisory | JAX | Baker, Nassau | 25 min |
| May 29, 5:15 PM EDT | Special Weather Statement | JAX | Clay | 30 min |
| May 29, 5:45 PM EDT | Special Weather Statement | JAX | Clay | 30 min |
| May 29, 6:16 PM EDT | Special Weather Statement | JAX | Bradford, Clay, Gilchrist | 29 min |
| May 29, 6:43 PM EDT | Special Weather Statement | JAX | Alachua, Clay, Gilchrist | 32 min |
| May 29, 7:13 PM EDT | Special Weather Statement | JAX | Alachua | 32 min |
| May 29, 7:20 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Clay, Putnam | 40 min |
| May 29, 7:40 PM EDT | Special Weather Statement | JAX | Alachua | 50 min |
| May 29, 7:45 PM EDT | Areal Flood Advisory | JAX | Alachua, Putnam | 90 min |
| May 29, 7:53 PM EDT | Special Weather Statement | JAX | Putnam | 37 min |
| May 29, 4:06 PM EDT | Special Weather Statement | JAX | Camden | 24 min |
| May 29, 4:56 PM EDT | Special Weather Statement | JAX | Camden | 34 min |
Nearby
Special Weather Statements in Florida, 2012Every special weather statement in 2012
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.