Alert archive / Florida / Special Weather Statements in 2012
Special Weather Statement, NWS Jacksonville, FL
NWS Jacksonville, FL issued this special weather statement at Jul 17, 2012, 2:49 PM EDT for Flagler County, Florida. It was in force for 41 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
- Jul 17, 2012, 2:49 PM EDT (18:49 UTC)
- Expired
- Jul 17, 2012, 3:30 PM EDT
- In force
- 41 min
- Issued by
- NWS Jacksonville, FL
County Flagler County, FL
The radar
The Jacksonville radar (KJAX), 116 km from the middle of the area, began a volume at 18:50 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, 6.8 hours before the alert went out and 118 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
- 1223 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 2 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 Jul 17, 2:40 PM EDT, 9 minutes earlier.
Area forecast discussion, Jul 17, 2:40 PM EDT, 9 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 240 PM EDT TUE JUL 17 2012 .SHORT TERM /TONIGHT THROUGH WEDNESDAY/... SCATTERED TO NUMEROUS THUNDERSTORMS CONTINUE ACROSS INLAND LOCATIONS WITH LESS COVERAGE CLOSER TO THE COAST...AS UPPER LEVEL LOW PRESSURE INTERACTS WITH SEABREEZE/OUTFLOW BOUNDARIES. COVERAGE WILL INCREASE LATE THIS AFTERNOON...AND WILL USE NUMEROUS POPS INLAND...WITH SCATTERED ALONG THE COAST. SEVERE THUNDERSTORM WATCH 488 CONTINUES FOR INLAND SE GA/NE FL UNTIL 8 PM. OUTSIDE THE WATCH...A FEW STRONG STORMS WILL BE POSSIBLE THROUGH EARLY THIS EVENING...WITH WINDS/HAIL THE MAIN CONCERNS. ACTIVITY WILL DIMINISH THIS EVENING...WITH MOST INLAND AREAS DRY BY MIDNIGHT...WITH A FEW COASTAL SHOWERS POSSIBLE OVERNIGHT/EARLY WEDNESDAY. FOR WEDNESDAY...THE UPPER LOW WILL NUDGE WESTWARD ACROSS INLAND NORTHERN FL. WITH A SURFACE HIGH PRESSURE RIDGE TO THE SOUTH...THIS WILL ALLOW FOR A SW FLOW...AND THE WEST COAST SEABREEZE COLLIDING WITH THE ATLANTIC SEABREEZE WHICH WILL BE PINNED NEAR THE EAST COAST. WILL USE HIGH END SCATTERED POPS WEDNESDAY AFTN/EVENING. SLIGHTLY ABOVE NORMAL HIGH TEMPERATURES CAN BE EXPECTED UNDER SW FLOW. THURSDAY AND FRIDAY... UPPER LOW WILL MOVE NORTH AWAY FROM THE AREA WEDNESDAY NIGHT AND THEN BECOME ABSORBED INTO AN AMPLIFYING EASTERN UNITED STATES TROUGH ON THURSDAY. AT THE SAME TIME...HIGH PRESSURE RIDGE WILL BUILD ACROSS THE FLORIDA PENINSULA...MAINTAINING A DEEP MOIST SOUTHWESTERLY FLOW ACROSS THE REGION. SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED ALONG AND NORTH OF I-10...WITH POPS TAPERING OFF AS YOU GO SOUTH TOWARD THE HIGH PRESSURE RIDGE AXIS. TEMPERATURES WILL WARM INTO THE MID 90S ACROSS MUCH OF NORTHEAST FLORIDA WITH SLIGHTLY LOWER TEMPS ACROSS GEORGIA DUE TO INCREASED CLOUDS AND PRECIP NEAR THE UPPER TROUGH AXIS. DRIER AIR WILL BEGIN TO PUSH NORTH INTO NORTHERN FLORIDA ON FRIDAY WHICH WILL KEEP THUNDERSTORM ACTIVITY MORE ISOLATED TO WIDELY SCATTERED SOUTH OF I-10. BETTER CHANCES OF PRECIP WILL EXIST ACROSS SOUTHEAST GEORGIA WHERE DEEPER MOISTURE (PWATS IN EXCESS OF 2 INCHES) WILL CONTINUE TO RESIDE. LESS CLOUD COVER AND PRECIP ALONG WITH BUILDING HEIGHTS WILL RESULT IN HOT CONDITIONS ACROSS NORTHEAST FLORIDA WITH HIGHS SOLIDLY IN THE MID 90S...ESPECIALLY ALONG THE I-95 CORRIDOR AS DEEP SOUTHWEST FLOW PUSHES THE HEAT TOWARD THE ATLANTIC COAST. && .LONG TERM...SATURDAY THROUGH TUESDAY DRIER AIR WILL CONTINUE TO WORK NORTH AROUND THE RIDGE THIS WEEKEND. MODELS ARE NOW COMING IN FARTHER NORTH WITH THE DRY AIR...WHICH WOULD RESULT IN A DRIER FORECAST ACROSS SOUTHEAST GEORGIA THAN PREVIOUSLY EXPECTED. WILL NOT MAKE ANY CHANGES IN THIS DIRECTION JUST YET...BUT IF THIS TREND CONTINUES...WE WILL NEED TO LOWER POPS ACROSS SOUTHEAST GEORGIA. IN ANY EVENT...HOT AND DRY CONDITIONS CONTINUE TO LOOK LIKELY ACROSS MUCH OF NORTHEAST FLORIDA THIS WEEKEND. && .AVIATION... THUNDERSTORM ACTIVITY SHOULD INCREASE ACROSS NORTHEAST FLORIDA AS THE AFTERNOON PROGRESSES. MVFR/IFR CONDITIONS WILL ACCOMPANY THUNDERSTORM ACTIVITY...WITH THE POTENTIAL FOR STRONG GUSTY WINDS WITH THE STRONGEST STORMS. GNV...VQQ...AND JAX HAVE THE HIGHEST CHANCES OF SEEING THUNDERSTORMS AND TEMPO GROUPS FOR TSRA HAVE BEEN INCLUDED AT THESE TERMINALS. THUNDERSTORMS WILL WIND DOWN EARLY THIS EVENING AND VFR CONDITIONS ARE THEN EXPECTED TO PREVAIL THE REST OF THIS TAF PERIOD. && .MARINE... WINDS AND SEAS WILL REMAIN UNDER SCEC UNDER GENERAL S/SW FLOW. BRIEF PERIODS OF 15 KT WINDS WILL BE POSSIBLE...ESPECIALLY AT NIGHT. SEAS MAINLY 4 FT OR LESS...WITH AN ELY SWELL 2-3 FT PERSISTING OVER THE FEW DAYS. .RIP CURRENT RISK...MODERATE RISK THROUGH WEDNESDAY DUE TO LINGERING EASTERLY SWELL. && .PRELIMINARY POINT TEMPS/POPS... AMG 72 95 73 94 / 40 50 40 50 SSI 76 90 77 90 / 20 70 70 60 JAX 71 94 74 94 / 30 60 60 60 SGJ 73 91 75 92 / 20 60 60 60 GNV 71 93 73 94 / 50 50 40 60 OCF 70 94 73 93 / 50 50 40 60 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && SHULER/ALLEN/
Hazardous weather outlook, Jul 17, 12:55 PM EDT, 1 hour 54 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 1255 PM EDT TUE JUL 17 2012 AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040- GAZ132>136-149>154-162>166-180830- 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- 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-HAMILTON- SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-ST JOHNS- GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE-JEFF DAVIS-BACON- APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-INLAND GLYNN- COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-COASTAL CAMDEN- 1255 PM EDT TUE JUL 17 2012 THIS OUTLOOK IS FOR NORTHEAST FLORIDA...SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS. ...STRONG TO LOCALLY SEVERE THUNDERSTORMS THIS AFTERNOON INTO EARLY EVENING... ...LOCALLY HEAVY RAINFALL POSSIBLE THIS AFTERNOON... ...MODERATE RISK OF RIP CURRENTS TODAY... .DAY ONE...THIS AFTERNOON AND TONIGHT... AN UPPER LOW OVER NORTHEAST FLORIDA WILL HELP PRODUCE SCATTERED TO NUMEROUS THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING. SLOW MOVING STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL. STRONG TO LOCALLY SEVERE THUNDERSTORMS WILL OCCUR OVER INLAND AREAS...WITH STRONG WINDS AND HAIL THE MAIN THREATS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR PORTIONS OF INTERIOR SOUTHEAST GEORGIA AND NORTHEAST FLORIDA. THERE WILL BE A MODERATE RISK OF RIP CURRENTS TODAY DUE TO LONG PERIOD EASTERLY SWELLS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED WEDNESDAY AND THURSDAY...BECOMING NUMEROUS NEAR THE EAST COAST AS THE SEABREEZE FRONTS COLLIDE LATE IN THE DAY. A FEW STORMS MAY BE STRONG AND PRODUCE STRONG GUSTY WINDS AND FREQUENT LIGHTNING STRIKES. THUNDERSTORMS WILL BECOME MORE SCATTERED FRIDAY THROUGH MONDAY. A MODERATE RISK OF RIP CURRENTS WILL CONTINUE ON WEDNESDAY DUE TO LINGERING EASTERLY SWELLS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.
In the hours before
Special weather statement, Jul 17, 1:10 PM EDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
110 PM EDT TUE JUL 17 2012
GAZ135-171800-
APPLING-
110 PM EDT TUE JUL 17 2012
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR NORTHERN AND
CENTRAL APPLING COUNTY FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE
LIGHTNING VALID UNTIL 200 PM EDT...
AT 109 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERAL STRONG THUNDERSTORMS ACROSS NORTHERN APPLING COUNTY...
ONE OVER PLANT HATCH...AND ANOTHER 5 MILES NORTH OF PINE GROVE...
MOVING SLOWLY SOUTH AT 5 MPH. HAIL UP TO THREE QUARTER 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR NORTHERN FLORIDA AND SOUTHEAST GEORGIA.
LAT...LON 3196 8241 3196 8237 3194 8233 3194 8228
3191 8222 3190 8218 3167 8220 3176 8252
3184 8252 3184 8243 3197 8243
TIME...MOT...LOC 1709Z 026DEG 2KT 3188 8238
WOLFSpecial weather statement, Jul 17, 1:19 PM EDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
119 PM EDT TUE JUL 17 2012
FLZ040-171800-
MARION-
119 PM EDT TUE JUL 17 2012
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR SOUTHERN MARION
COUNTY FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID
UNTIL 200 PM EDT...
AT 118 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERAL
STRONG THUNDERSTORMS ACROSS SOUTHERN MARION COUNTY...SHOWING LITTLE
MOVEMENT. THE THUNDERSTORMS WILL AFFECT AREAS AROUND WEIRSDALE...
SILVER SPRINGS SHORES...OCKLAWAHA...MOSS BLUFF...LAKE WEIR...
SUMMERFIELD...SANTOS AND BELLEVIEW THROUGH 200 PM EDT. HAIL UP TO
THREE QUARTER INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING
AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE
MINOR DAMAGE. VERY HEAVY RAINFALL IS LIKELY DUE TO VERY SLOW STORM
MOTION...THIS CAN RESULT IN MINOR FLOODING.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR NORTHERN FLORIDA AND SOUTHEAST GEORGIA.
LAT...LON 2900 8238 2912 8240 2916 8164 2905 8164
2904 8165 2896 8166 2895 8231
TIME...MOT...LOC 1718Z 090DEG 1KT 2901 8201
WOLFSpecial weather statement, Jul 17, 1:37 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
137 PM EDT TUE JUL 17 2012
GAZ132-171815-
COFFEE-
137 PM EDT TUE JUL 17 2012
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR COFFEE COUNTY
FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 215
PM EDT...
AT 137 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 6 MILES NORTHWEST OF DOUGLAS...MOVING
SOUTH AT 5 MPH. ANOTHER STRONG THUNDERSTORM WAS JUST NORTH OF WEST
GREEN. HAIL UP TO THREE QUARTER 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR NORTHERN FLORIDA AND SOUTHEAST GEORGIA.
LAT...LON 3166 8300 3167 8262 3153 8263 3141 8279
3142 8313
TIME...MOT...LOC 1737Z 016DEG 3KT 3154 8294
WOLFSpecial weather statement, Jul 17, 2:01 PM EDT, 48 minutes before
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</html>Local storm report, Jul 17, 2:09 PM EDT, 40 minutes before
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</html>Special weather statement, Jul 17, 2:49 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 |
|---|---|---|---|---|
| Jul 16, 8:07 PM EDT | Special Weather Statement | JAX | Alachua | 38 min |
| Jul 16, 8:42 PM EDT | Special Weather Statement | JAX | Alachua | 33 min |
| Jul 17, 1:19 PM EDT | Special Weather Statement | JAX | Marion | 41 min |
| Jul 17, 2:01 PM EDT | Special Weather Statement | JAX | Marion | 59 min |
| Jul 17, 3:27 PM EDT | Special Weather Statement | JAX | Hamilton | 33 min |
| Jul 17, 3:41 PM EDT | Special Weather Statement | JAX | Suwannee | 34 min |
| Jul 17, 3:44 PM EDT | Severe Thunderstorm Warning | JAX | Suwannee | 46 min |
| Jul 17, 3:53 PM EDT | Special Weather Statement | JAX | Clay | 37 min |
| Jul 17, 4:29 PM EDT | Special Weather Statement | JAX | Suwannee | 46 min |
| Jul 17, 4:35 PM EDT | Special Weather Statement | JAX | Bradford, Clay | 40 min |
| Jul 17, 5:30 PM EDT | Special Weather Statement | JAX | Baker | 45 min |
| Jul 17, 5:36 PM EDT | Special Weather Statement | JAX | Union | 39 min |
| Jul 17, 6:04 PM EDT | Special Weather Statement | JAX | Union | 26 min |
| Jul 17, 6:24 PM EDT | Special Weather Statement | JAX | Alachua | 36 min |
| Jul 17, 6:29 PM EDT | Areal Flood Advisory | JAX | Alachua | 46 min |
| Jul 17, 12:56 PM EDT | Special Weather Statement | JAX | Jeff Davis | 49 min |
| Jul 17, 1:10 PM EDT | Special Weather Statement | JAX | Appling | 50 min |
| Jul 17, 1:25 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Jeff Davis | 39 min |
| Jul 17, 1:37 PM EDT | Special Weather Statement | JAX | Coffee | 38 min |
| Jul 17, 1:41 PM EDT | Severe Thunderstorm Warning | JAX | Coffee | 49 min |
| Jul 17, 2:25 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Coffee | 50 min |
| Jul 17, 2:53 PM EDT | Special Weather Statement | JAX | Atkinson | 37 min |
| Jul 17, 3:20 PM EDT | Special Weather Statement | JAX | Clinch | 40 min |
| Jul 17, 4:09 PM EDT | Special Weather Statement | JAX | Camden | 36 min |
| Jul 17, 4:51 PM EDT | Special Weather Statement | JAX | Charlton | 24 min |
| Jul 17, 4:55 PM EDT | Special Weather Statement | JAX | Brantley | 35 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.