Alert archive / Florida / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 195, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 4, 2015, 1:48 PM EDT for Clay County, Florida. It was in force for 27 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
- Jul 4, 2015, 1:48 PM EDT (17:48 UTC)
- Expired
- Jul 4, 2015, 2:15 PM EDT
- In force
- 27 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
County Clay County, FL
The radar
The Jacksonville radar (KJAX), 58 km from the middle of the area, began a volume at 17:48 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 5.8 hours before the alert went out and 214 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
- 303 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1284 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- -8 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 Jul 4, 9:03 AM EDT, 4 hours 45 minutes earlier.
Area forecast discussion, Jul 4, 9:03 AM EDT, 4 hours 45 minutes before
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</html>Hazardous weather outlook, Jul 4, 4:56 AM EDT, 8 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 456 AM EDT SAT JUL 4 2015 AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-124-125- GAZ132>136-149>154-162>166-050930- COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT 20 NM- COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT 20 NM- COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM- WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO 60 NM- WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM- WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM- HAMILTON-SUWANNEE-COLUMBIA-BAKER-INLAND NASSAU-INLAND DUVAL-UNION- BRADFORD-CLAY-ST. JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION- COASTAL NASSAU-COASTAL DUVAL-COFFEE-JEFF DAVIS-BACON-APPLING- WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-INLAND GLYNN-COASTAL GLYNN- ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-COASTAL CAMDEN- 456 AM EDT SAT JUL 4 2015 ...SCATTERED STORMS THIS AFTERNOON AND EVENING... ...MODERATE RISK FOR RIP CURRENTS NORTHEAST FLORIDA BEACHES... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA... SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT... SCATTERED THUNDERSTORMS ARE FORECAST THIS AFTERNOON AND EVENING WITH SLIGHTLY HIGHER COVERAGE OF STORMS POSSIBLE ACROSS MARION... PUTNAM...CLAY AND BRADFORD COUNTIES. LOCALLY GUSTY WINDS OF 40 TO 60 MPH AND FREQUENT LIGHTNING ARE THE MAIN HAZARDS WITH STRONGER STORMS. STORMS WILL DECREASE IN COVERAGE BY LATE EVENING. STORM CELL MOTION WILL BE NORTHEAST AT 15 MPH. THERE IS A MODERATE RISK FOR RIP CURRENTS FOR NORTHEAST FLORIDA BEACHES TODAY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... SCATTERED TO NUMEROUS THUNDERSTORMS ARE FORECAST FOR SUNDAY THROUGH MID WEEK MAINLY IN THE AFTERNOON AND EVENING HOURS. THE BEST CHANCES WILL BE MAINLY OVER INLAND AREAS. A FEW STRONG TO BRIEFLY SEVERE THUNDERSTORMS ARE POSSIBLE SUNDAY AND MONDAY AND CAPABLE OF PRODUCING STRONG GUSTY WINDS UP TO 60 MPH...FREQUENT LIGHTNING STRIKES...AND HEAVY DOWNPOURS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. 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 4, 11:50 AM EDT, 1 hour 58 minutes before
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</html>Special weather statement, Jul 4, 12:41 PM EDT, 1 hour 7 minutes before
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</html>Special weather statement, Jul 4, 12:47 PM EDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1247 PM EDT SAT JUL 4 2015
FLZ031-032-036-037-041730-
ALACHUA FL-BRADFORD FL-CLAY FL-PUTNAM FL-
1247 PM EDT SAT JUL 4 2015
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN PUTNAM...BRADFORD...
ALACHUA AND SOUTHWESTERN CLAY COUNTIES UNTIL 130 PM EDT...
AT 1246 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER GAINESVILLE...MOVING NORTHEAST AT 25 MPH.
HAIL UP TO NICKEL SIZE IN DIAMETER AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.
LOCATIONS IMPACTED INCLUDE...
GAINESVILLE...STARKE...INTERLACHEN...KEYSTONE HEIGHTS...MELROSE...
ALACHUA...HIGH SPRINGS...HAWTHORNE...ARCHER...MELROSE LANDING...LAKE
GENEVA...KINGSLEY...CROSS CREEK...UNIVERSITY OF FLORIDA...CAMP
BLANDING...ORANGE HEIGHTS...NEW RIVER...GAINESVILLE AIRPORT...SAMPSON
AND NEWNANS LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
LAT...LON 2949 8222 2948 8248 2979 8265 3007 8203
2986 8191 2951 8191 2951 8194 2950 8197
2950 8200 2947 8220
TIME...MOT...LOC 1646Z 238DEG 20KT 2967 8237
ALLENSpecial weather statement, Jul 4, 1:31 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
131 PM EDT SAT JUL 4 2015
FLZ031-032-041815-
BRADFORD FL-CLAY FL-
131 PM EDT SAT JUL 4 2015
...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL BRADFORD AND CLAY
COUNTIES UNTIL 215 PM EDT...
AT 130 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
KINGSLEY...OR NEAR STARKE...MOVING NORTHEAST AT 30 MPH.
HAIL UP TO NICKEL SIZE IN DIAMETER AND GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.
LOCATIONS IMPACTED INCLUDE...
ORANGE PARK...STARKE...KEYSTONE HEIGHTS...MIDDLEBURG...KINGSLEY...
OAKLEAF PLANTATION...CAMP BLANDING...DOCTORS INLET...FLEMING
ISLAND...SAMPSON...LAKESIDE...BELLAIR-MEADOWBROOK TERRACE...PENNEY
FARMS...LAWTEY...HAMPTON AND ASBURY LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
&&
LAT...LON 2995 8180 2978 8199 2978 8208 2981 8212
2983 8214 2984 8217 2989 8224 3019 8197
3019 8175 3013 8168 3009 8168
TIME...MOT...LOC 1730Z 219DEG 24KT 2998 8202
ALLENThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 11:50 AM EDT | Special Weather Statement | JAX | Alachua | 40 min |
| Jul 4, 12:41 PM EDT | Special Weather Statement | JAX | Alachua | 49 min |
| Jul 4, 12:47 PM EDT | Special Weather Statement | JAX | Alachua, Bradford | 43 min |
| Jul 4, 1:31 PM EDT | Special Weather Statement | JAX | Bradford, Clay | 44 min |
| Jul 4, 2:06 PM EDT | Special Weather Statement | JAX | Duval | 39 min |
| Jul 4, 2:35 PM EDT | Special Weather Statement | JAX | Saint Johns | 25 min |
| Jul 4, 3:08 PM EDT | Areal Flood Advisory | JAX | Duval, Saint Johns | 82 min |
| Jul 4, 3:45 PM EDT | Special Weather Statement | JAX | Marion | 30 min |
| Jul 4, 4:07 PM EDT | Special Marine Warning | JAX | 53 min | |
| Jul 4, 4:11 PM EDT | Severe Thunderstorm Warning | JAX | Marion | 49 min |
| Jul 4, 4:24 PM EDT | Special Weather Statement | JAX | Flagler | 51 min |
| Jul 4, 4:45 PM EDT | Special Weather Statement | JAX | Marion | 30 min |
| Jul 4, 5:07 PM EDT | Special Weather Statement | JAX | Hamilton | 38 min |
| Jul 4, 5:51 PM EDT | Special Weather Statement | JAX | Columbia | 24 min |
| Jul 4, 3:21 PM EDT | Special Weather Statement | JAX | Camden | 39 min |
| Jul 4, 3:41 PM EDT | Special Weather Statement | JAX | Camden | 34 min |
| Jul 4, 4:06 PM EDT | Severe Thunderstorm Warning | JAX | Camden, Glynn | 39 min |
| Jul 4, 4:15 PM EDT | Special Weather Statement | JAX | Clinch, Echols | 30 min |
| Jul 4, 4:21 PM EDT | Special Weather Statement | JAX | Appling, Bacon | 54 min |
| Jul 4, 4:47 PM EDT | Special Weather Statement | JAX | Clinch | 28 min |
| Jul 4, 4:51 PM EDT | Severe Thunderstorm Warning | JAX | Clinch, Echols | 39 min |
| Jul 4, 5:05 PM EDT | Special Weather Statement | JAX | Pierce, Wayne | 40 min |
| Jul 4, 5:16 PM EDT | Special Weather Statement | JAX | Ware | 44 min |
| Jul 4, 5:45 PM EDT | Special Weather Statement | JAX | Brantley, Charlton | 45 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2015Every severe thunderstorm warning in 2015
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.