Alert archive / Georgia / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 124, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 17, 2015, 6:05 PM EDT for Bacon County, Coffee County, Jeff Davis County, Georgia. It was in force for 55 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
- Jun 17, 2015, 6:05 PM EDT (22:05 UTC)
- Expired
- Jun 17, 2015, 7:00 PM EDT
- In force
- 55 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Bacon County, GA, Coffee County, GA, Jeff Davis County, GA
The radar
The Moody AFB radar (KVAX), 90 km from the middle of the area, began a volume at 22:05 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.1 hours before the alert went out and 209 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
- 715 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1368 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 57 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 Jun 17, 2:47 PM EDT, 3 hours 18 minutes earlier.
Area forecast discussion, Jun 17, 2:47 PM EDT, 3 hours 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
247 PM EDT WED JUN 17 2015
.NEAR TERM.../THROUGH THURSDAY/...
WEAK SURFACE HIGH PRESSURE WILL BE JUST TO THE EAST...WITH AN UPPER
RIDGE OVERHEAD THIS PERIOD.
ISOLATED TO SCATTERED SHOWERS AND STORMS CAN BE EXPECTED THIS
AFTERNOON AND EVENING...MAINLY INLAND AS THE EAST COAST SEA BREEZE
IS PUSHING WEST.
MOISTURE WILL CONTINUE TO INCREASE FROM THE SOUTH...WHICH WILL
CAUSE AN INCREASE IN HEAT INDICES FOR THURSDAY...IN ADDITION TO
GREATER PRECIPITATION COVERAGE. ANOTHER HEAT ADVISORY MAY BE
NEEDED FOR THURSDAY...POSSIBLY COVERING MORE OF THE REGION.
&&
.SHORT TERM...FRIDAY AND SATURDAY...UPPER RIDGE SHIFTS A LITTLE EAST
AND AN INCREASE IN MOISTURE WILL PRODUCE MORE DIURNAL SHOWERS AND
THUNDERSTORMS. SEASBREEZES SHOULD MERGE LATE DAY CLOSER TO THE EAST
COAST WITH A LIGHT WESTERLY STEERING FLOW. TEMPERATURES WILL REMAIN
ABOVE NORMAL WITH HIGHS MOSTLY IN THE MID TO UPPER 90S WITH HEAT
INDICES NEAR ADVISORY LEVELS.
&&
.LONG TERM...SUNDAY THROUGH WEDNESDAY...UPPER RIDGE WILL WEAKEN
SUNDAY AND MONDAY AS UPPER SHORT WAVE TROUGH MOVES BY TO THE NORTH
TOWARDS THE MID ATLANTIC STATES. A SW STEERING FLOW AND INCREASE IN
MOISTURE WILL PRODUCE NEAR CLIMO POPS IN THE FORM OF AFTERNOON AND
EVENING THUNDERSTORMS REACHING THE EAST COAST LATE DAY. UPPER RIDGE
BUILDS BACK ACROSS CENTRAL GA TUESDAY AND WEDNESDAY. ABUNDANT
MOISTURE TRAPPED NEAR THE RIDGE WILL KEEP DAYTIME POPS NEAR
CLIMO(40%) INLAND AS SEABREEZES MOVE WELL INLAND. A WEAK WIND
PROFILE WILL RESULT IN SLOW MOVING STORMS PRODUCING LOCALLY HEAVY
RAINFALL OVER THE INTERIOR. TEMPERATURES WILL REMAIN ABOVE NORMAL
THROUGH THE PERIOD WITH NEAR AVERAGE RAIN CHANCES.
&&
.AVIATION...
PREVAILING VFR CONDITIONS ARE EXPECTED THIS 18Z TAF PERIOD. THE
EXCEPTIONS WILL BE THE POTENTIAL FOR SHOWERS/STORMS AT KGNV THIS
AFTERNOON AND EVENING...AND A PERIOD OF LIGHT FOG AT KGNV/KVQQ
EARLY THURSDAY MORNING.
&&
.MARINE...
A BROAD RIDGE OF HIGH PRESSURE WILL BE EAST OF THE REGION INTO THE
WEEKEND...LEADING TO A GENERAL SOUTHERLY FLOW.
RIP CURRENTS: LOW RISK THROUGH THURSDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
AMG 73 99 74 97 / 30 30 20 30
SSI 78 92 78 91 / 0 10 10 30
JAX 73 96 76 97 / 10 20 10 40
SGJ 76 92 76 91 / 0 10 10 20
GNV 73 96 74 96 / 30 30 20 30
OCF 74 96 75 94 / 30 30 10 30
&&
.JAX WATCHES/WARNINGS/ADVISORIES...
FL...HEAT ADVISORY UNTIL 7 PM EDT THIS EVENING FOR BAKER-COLUMBIA-
GILCHRIST-HAMILTON-SUWANNEE.
GA...HEAT ADVISORY UNTIL 7 PM EDT THIS EVENING FOR APPLING-ATKINSON-
BACON-BRANTLEY-CHARLTON-CLINCH-COASTAL CAMDEN-COASTAL GLYNN-
COFFEE-ECHOLS-INLAND CAMDEN-INLAND GLYNN-JEFF DAVIS-PIERCE-
WARE-WAYNE.
AM...NONE.
&&
STRUBLE/ZIBURAHazardous weather outlook, Jun 17, 4:27 AM EDT, 13 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 427 AM EDT WED JUN 17 2015 AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-124-125- GAZ132>136-149>154-162>166-181100- 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- 427 AM EDT WED JUN 17 2015 ...HEAT ADVISORY FOR SOUTHEAST GEORGIA AND PORTIONS OF THE SUWANNEE RIVER VALLEY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA... SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT... HIGH TEMPERATURES WILL NEAR 100 DEGREES INLAND WITH HEAT INDEX READINGS BETWEEN 100 AND 112 DEGREES. A HEAT ADVISORY IS IN EFFECT FOR SOUTHEAST GEORGIA AND PORTIONS OF THE SUWANNEE RIVER VALLEY WHERE THE HIGHEST HEAT INDICES OF 108 TO 112 DEGREES ARE EXPECTED THIS AFTERNOON. ISOLATED AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED ALONG AND WEST OF A WAYCROSS TO OCALA LINE. A FEW STRONG THUNDERSTORMS CAPABLE OF GUSTY WINDS AND FREQUENT LIGHTNING ARE POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... HOT TEMPERATURES WILL CONTINUE THROUGH THE END OF THE WEEK WITH HEAT INDEX VALUES NEAR 105 DEGREES. SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED EACH AFTERNOON. .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
Local storm report, Jun 17, 5:17 PM EDT, 48 minutes before
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</html>Local storm report, Jun 17, 6:02 PM EDT, 3 minutes before
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</html>Local storm report, Jun 17, 6:05 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 |
|---|---|---|---|---|
| Jun 17, 2:29 AM EDT | Heat Advisory | JAX | Baker, Gilchrist, Suwannee | 17 hr |
| Jun 17, 4:31 PM EDT | Special Weather Statement | JAX | Marion | 29 min |
| Jun 17, 5:27 PM EDT | Special Weather Statement | JAX | Suwannee | 18 min |
| Jun 17, 6:11 PM EDT | Special Weather Statement | JAX | Suwannee | 49 min |
| Jun 17, 6:12 PM EDT | Special Weather Statement | JAX | Alachua | 48 min |
| Jun 17, 7:13 PM EDT | Special Weather Statement | JAX | Union | 32 min |
| Jun 17, 7:14 PM EDT | Special Weather Statement | JAX | Bradford | 31 min |
| Jun 17, 7:32 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia, Union | 58 min |
| Jun 17, 3:04 PM EDT | Special Weather Statement | JAX | Clinch | 41 min |
| Jun 17, 3:36 PM EDT | Special Weather Statement | JAX | Atkinson | 39 min |
| Jun 17, 3:39 PM EDT | Special Weather Statement | JAX | Wayne | 51 min |
| Jun 17, 3:44 PM EDT | Special Weather Statement | JAX | Appling | 46 min |
| Jun 17, 4:17 PM EDT | Special Weather Statement | JAX | Atkinson | 43 min |
| Jun 17, 4:20 PM EDT | Special Weather Statement | JAX | Wayne | 40 min |
| Jun 17, 4:26 PM EDT | Special Weather Statement | JAX | Pierce | 49 min |
| Jun 17, 4:39 PM EDT | Severe Thunderstorm Warning | JAX | Pierce | 51 min |
| Jun 17, 4:45 PM EDT | Special Weather Statement | JAX | Appling, Bacon | 45 min |
| Jun 17, 4:51 PM EDT | Severe Thunderstorm Warning | JAX | Wayne | 24 min |
| Jun 17, 4:52 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Coffee | 38 min |
| Jun 17, 5:07 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Pierce, Ware | 38 min |
| Jun 17, 5:12 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Bacon | 48 min |
| Jun 17, 5:21 PM EDT | Areal Flood Advisory | JAX | Pierce | 84 min |
| Jun 17, 5:55 PM EDT | Special Weather Statement | JAX | Ware | 50 min |
| Jun 17, 6:44 PM EDT | Special Weather Statement | JAX | Clinch | 46 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 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.