Alert archive / Florida / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 35, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at May 11, 2014, 2:51 PM EDT for Baker County, Columbia County, Union County, Florida. It was in force for 39 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 11, 2014, 2:51 PM EDT (18:51 UTC)
- Expired
- May 11, 2014, 3:30 PM EDT
- In force
- 39 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Baker County, FL, Columbia County, FL, Union County, FL
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 6.9 hours before the alert went out and 77 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
- 572 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 992 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 11, 2:45 PM EDT, 6 minutes earlier.
Area forecast discussion, May 11, 2:45 PM EDT, 6 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 245 PM EDT SUN MAY 11 2014 .REST OF THE AFTERNOON...SCT TO OCNL NMRS SHOWERS AND STORMS WILL CONTINUE TO DEVELOP OVER INLAND NE FL AND PORTIONS OF INLAND SE GA. STORM MOTION IS SLOW TO THE N AND WILL FAVOR PULSE SHOWERS AND STORMS WITH BRIEF PERIODS OF FREQUENT LIGHTNING AND LOCALLY HEAVY RAINFALL. LOCALLY STRONG STORMS WILL PRODUCE GUSTY WINDS AND SMALL HAIL. .SHORT TERM...TONIGHT THROUGH WEDNESDAY... TONIGHT...ISOLD TO SCT SHOWERS AND STORMS EXPECTED EARLY IN THE EVENING WITH BEST CHANCES FCST TO BE FOCUSED BETWEEN GNV AND AYS OVER TO STATENVILLE GA. THE MAINLY DIURNAL CONVECTION EXPECTED TO WIND DOWN BY MIDNIGHT WITH RAIN CHANCES DROPPING OFF TO LESS THAN 15%. LIGHT WINDS COMBINED WITH RESIDUAL LOW LEVEL MOISTURE FROM RAIN AND SOME THINNING OF MID AND HIGH LEVEL CLOUDS WILL ALLOW FOR PATCHY FOG MAINLY W OF A LINE FROM LAKE CITY TO WAYCROSS. LOWS IN THE MID 60S TO THE LOWER 70S...WARMEST NEAR THE COAST DUE TO LIGHT S-SE FLOW. HIGH PRESSURE RIDGING AT THE SURFACE AND ALOFT ON MONDAY AND TUESDAY IS EXPECTED TO KEEP THE ATMOSPHERE STABLE. WHILE A SHOWER CAN NOT BE COMPLETELY RULED OUT...ESPECIALLY NORTHWEST CLOSER TO THE EDGE OF THE UPPER TROUGH...CHANCES ARE TOO LOW FOR MENTION AT THIS TIME. THE SURFACE AND UPPER RIDGE AXIS SLIDE EAST ON WEDNESDAY...AS A SHARP UPPER TROUGH APPROACHES FROM THE THE WEST. THIS UPPER TROUGH COUPLED WITH SEA BREEZE INTERACTIONS ARE EXPECTED TO PRODUCE ENOUGH INSTABILITY WEDNESDAY AFTERNOON FOR CONVECTION TO DEVELOP. TEMPERATURES ARE EXPECTED TO BE NEAR SEASONAL AVERAGES THIS PERIOD. .LONG TERM.../WEDNESDAY NIGHT THROUGH SUNDAY/... AS UPPER TROUGH DIPS INTO THE SOUTHEASTERN US THURSDAY...SURFACE LOW PRESSURE IS EXPECTED TO DEVELOP OVER THE MID ATLANTIC REGION...WITH A COLD FRONT MOVING ACROSS THE FORECAST AREA. GIVEN STRENGTH OF THIS UPPER TROUGH...POTENTIAL FOR STRONG STORMS ON THURSDAY WILL CONTINUE TO BE MONITORED. A SLIGHTLY COOLER AND DRIER AIRMASS WILL ADVECT IN FOLLOWING THIS FRONT FOR THE WEEKEND. TEMPERATURES ARE EXPECTED TO BE NEAR SEASONAL MID WEEK...THEN TREND A LITTLE BELOW NORMAL INTO THE WEEKEND. && .AVIATION...OCNL MVFR CIGS WITH HEALTHY CU FIELD AND CURRENT RADAR SHOWS POPCORN TYPE CONVECTION LIFTING SLOWLY NWD. BEST CHANCES OF CONVECTION AT TERMINALS WILL BE AROUND GNV...VQQ AND JAX. INCLUDED A TEMPO GROUP FOR NOW AT VQQ WITH MVFR IN TSRA. STRONGEST STORM ACTIVITY WILL BE GENERALLY W AND NW OF THE TERMINALS THROUGH THIS EVENING AND WILL CONTAIN GUSTY WINDS AND LOW VSBY DOWN TO IFR. VICINITY CONVECTION EXPECTED BY SUNSET AND THEN QUICKLY FADING CONVECTION CHANCES REST OF THE NIGHT. CHANCE OF MVFR VSBY AT MORE FOG PRONE VQQ BETWEEN 07Z-11Z. && .MARINE...SFC HIGH PRESSURE WILL BE N OF THE AREA THROUGH EARLY IN THE WEEK WITH SE TO E WINDS EXPECTED AT 10-15 KTS. SEAS WILL BUILD TO 3-5 FT TUE THROUGH THURS AS A MORE ELY FLOW SENDS MORE SEA/SWELL ENERGY INTO LOCAL WATERS. THERE IS POTENTIAL FOR SEAS TO BE HIGHER BY MID WEEK POTENTIALLY REQUIRING A HEADLINE FOR SCEC FOR HAZARDOUS SEAS. RIP CURRENTS: LOW RISK WITH SURF AROUND 2 FT OR LESS. MORE SWELL ENERGY MAY CREATE A FEW MORE RIPS OVER THE NEXT COUPLE DAYS. && .PRELIMINARY POINT TEMPS/POPS... AMG 65 89 64 89 / 20 10 10 10 SSI 70 79 70 79 / 10 10 10 10 JAX 68 86 67 87 / 20 10 10 0 SGJ 71 80 70 81 / 10 0 0 0 GNV 67 87 66 89 / 30 10 10 0 OCF 68 88 67 90 / 20 10 10 0 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. AM...NONE. && SHASHY/STRUBLE/WALKER
Hazardous weather outlook, May 11, 12:57 PM EDT, 1 hour 54 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE JACKSONVILLE FL 1257 PM EDT SUN MAY 11 2014 AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040- GAZ132>136-149>154-162>166-121000- 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- 1257 PM EDT SUN MAY 11 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA... SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS. ...ISOLATED STRONG STORMS POSSIBLE INLAND THIS AFTERNOON... .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED THUNDERSTORMS ARE EXPECTED OVER INLAND AREAS TODAY WITH MORE ISOLATED STORMS NEAR THE COAST. MOST OF THE STORMS WILL DISSIPATE BY LATE THIS EVENING. STORM MOTION WILL GENERALLY BE NORTH TO NORTHEAST AROUND 10 MPH. AN ISOLATED STRONG STORM IS POSSIBLE WITH GUSTY WINDS...SMALL HAIL AND FREQUENT LIGHTNING. RIVER FLOODING ON THE SANTA FE AND SUWANNEE RIVER BASINS WILL CONTINUE TO SLOWLY SUBSIDE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... RIVER FLOODING WILL CONTINUE TO SUBSIDE ON THE SANTA FE AND SUWANNEE RIVER BASINS. ISOLATED THUNDERSTORMS ARE POSSIBLE WEDNESDAY THROUGH THURSDAY NIGHT. .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. PLW/ARS
In the hours before
Special weather statement, May 11, 1:52 PM EDT, 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
152 PM EDT SUN MAY 11 2014
FLZ022-023-030-111830-
BAKER-COLUMBIA-UNION-
152 PM EDT SUN MAY 11 2014
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR BAKER...
COLUMBIA AND UNION COUNTIES FOR STRONG WINDS...SMALL HAIL AND
EXCESSIVE LIGHTNING VALID UNTIL 230 PM EDT...
AT 152 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 2 MILES SOUTHEAST OF OLUSTEE...MOVING
NORTHEAST AT 20 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT
AREAS AROUND PALESTINE COMMUNITY...LULU...OLUSTEE...LAKE BUTLER...
JOHNSTOWN...ELLERBEE...SANDERSON...TAYLOR...MACCLENNY AND GLEN SAINT
MARY THROUGH 230 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. HEAVY RAINFALL WILL
PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING
AREAS.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
LAT...LON 3049 8229 3043 8221 3039 8220 3036 8217
3036 8212 3031 8205 3023 8205 3000 8232
3014 8259
TIME...MOT...LOC 1752Z 225DEG 20KT 3018 8240
STRUBLESpecial weather statement, May 11, 2:21 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
221 PM EDT SUN MAY 11 2014
FLZ022-036-111900-
ALACHUA-COLUMBIA-
221 PM EDT SUN MAY 11 2014
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR ALACHUA AND
COLUMBIA COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE
LIGHTNING VALID UNTIL 300 PM EDT...
AT 221 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 6 MILES SOUTHWEST OF ALACHUA...MOVING NORTH AT
5 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND
NEWBERRY...ALACHUA...OLENO STATE PARK...LA CROSSE AND HIGH SPRINGS
THROUGH 300 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. HEAVY RAINFALL WILL
PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING
AREAS.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
LAT...LON 2992 8270 2994 8248 2993 8248 2993 8244
2992 8241 2989 8240 2989 8239 2959 8238
2963 8265 2968 8266 2983 8266 2983 8269
TIME...MOT...LOC 1821Z 173DEG 5KT 2974 8256
STRUBLESpecial weather statement, May 11, 2:24 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
224 PM EDT SUN MAY 11 2014
FLZ021-022-030-111915-
COLUMBIA-SUWANNEE-UNION-
224 PM EDT SUN MAY 11 2014
...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR COLUMBIA...
SUWANNEE AND UNION COUNTIES FOR STRONG WINDS...SMALL HAIL AND
EXCESSIVE LIGHTNING VALID UNTIL 315 PM EDT...
AT 224 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 5 MILES SOUTHEAST OF COLUMBIA...MOVING NORTH
AT 5 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND
UPLAND PINES...PROVIDENCE...OLENO STATE PARK...ICHETUCKNEE SPRING...
HILDRETH...FORT WHITE...COLUMBIA...LULU...WINFIELD AND WATERTOWN
THROUGH 315 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. HEAVY RAINFALL WILL
PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING
AREAS.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
LAT...LON 3033 8246 2993 8247 2994 8252 2993 8254
2990 8277 2993 8278 2993 8281 2991 8284
2991 8286 2989 8289 3027 8294
TIME...MOT...LOC 1824Z 173DEG 5KT 3004 8262
STRUBLELocal storm report, May 11, 2:49 PM EDT, 2 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 11, 1:52 PM EDT | Special Weather Statement | JAX | Baker, Union | 38 min |
| May 11, 2:21 PM EDT | Special Weather Statement | JAX | Alachua | 39 min |
| May 11, 2:24 PM EDT | Special Weather Statement | JAX | Columbia | 51 min |
| May 11, 3:22 PM EDT | Special Weather Statement | JAX | Bradford, Clay | 38 min |
| May 11, 3:33 PM EDT | Special Weather Statement | JAX | Alachua | 42 min |
| May 11, 3:42 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 48 min |
| May 11, 3:49 PM EDT | Areal Flood Advisory | JAX | Alachua | 116 min |
| May 11, 3:56 PM EDT | Special Weather Statement | JAX | Suwannee | 49 min |
| May 11, 4:00 PM EDT | Areal Flood Advisory | JAX | Clay | 90 min |
| May 11, 4:16 PM EDT | Special Weather Statement | JAX | Nassau | 44 min |
| May 11, 4:18 PM EDT | Special Weather Statement | JAX | Duval | 42 min |
| May 11, 4:21 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Nassau | 39 min |
| May 11, 4:23 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Saint Johns | 52 min |
| May 11, 4:33 PM EDT | Special Weather Statement | JAX | Gilchrist | 42 min |
| May 11, 4:41 PM EDT | Special Weather Statement | JAX | Putnam | 49 min |
| May 11, 4:45 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 45 min |
| May 11, 4:47 PM EDT | Areal Flood Advisory | JAX | Clay, Duval, Saint Johns | 88 min |
| May 11, 4:54 PM EDT | Areal Flood Advisory | JAX | Clay | 2 hr |
| May 11, 4:55 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Clay, Putnam | 50 min |
| May 11, 5:06 PM EDT | Special Weather Statement | JAX | Clay | 39 min |
| May 11, 5:09 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Saint Johns | 51 min |
| May 11, 5:13 PM EDT | Areal Flood Advisory | JAX | Columbia, Union | 92 min |
| May 11, 5:19 PM EDT | Special Weather Statement | JAX | Duval, Nassau | 41 min |
| May 11, 5:28 PM EDT | Special Weather Statement | JAX | Marion | 47 min |
| May 11, 5:34 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Putnam, Saint Johns | 41 min |
| May 11, 5:37 PM EDT | Areal Flood Advisory | JAX | Clay | 83 min |
| May 11, 5:45 PM EDT | Areal Flood Advisory | JAX | Duval | 2 hr |
| May 11, 5:45 PM EDT | Severe Thunderstorm Warning | JAX | Marion | 45 min |
| May 11, 6:14 PM EDT | Special Weather Statement | JAX | Flagler | 46 min |
| May 11, 6:23 PM EDT | Special Weather Statement | JAX | Marion | 52 min |
| May 11, 7:04 PM EDT | Special Weather Statement | JAX | Marion | 41 min |
| May 11, 3:31 PM EDT | Special Weather Statement | JAX | Charlton | 44 min |
| May 11, 4:31 PM EDT | Special Weather Statement | JAX | Charlton | 44 min |
| May 11, 5:23 PM EDT | Severe Thunderstorm Warning | JAX | Camden | 52 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2014Every severe thunderstorm warning in 2014
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.