Alert archive / Georgia / Tornado Watches in 2016
Tornado Watch 16
The Storm Prediction Center issued this tornado watch at Feb 15, 2016, 8:07 PM EST for 10 counties in Florida; 26 counties in Georgia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 15, 2016, 8:07 PM EST (01:07 UTC)
- Expired
- Feb 16, 2016, 1:35 AM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 36 counties
Dixie County, FL, Franklin County, FL, Gadsden County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA
The radar
The Tallahassee radar (KTLH), 50 km from the middle of the area, began a volume at 01:10 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 8:14 PM EST | Severe Thunderstorm Warning | TAE | Clay, Quitman, Randolph | 31 min |
| Feb 15, 8:28 PM EST | Severe Thunderstorm Warning | TAE | Seminole | 62 min |
| Feb 15, 8:36 PM EST | Severe Thunderstorm Warning | TAE | Baker, Calhoun, Clay, Decatur, Early, Miller and 4 more | 54 min |
| Feb 15, 9:18 PM EST | Severe Thunderstorm Warning | TAE | Gadsden, Jackson | 42 min |
| Feb 15, 10:13 PM EST | Severe Thunderstorm Warning | TAE | Franklin, Gulf, Liberty, Wakulla | 47 min |
| Feb 15, 10:45 PM EST | Severe Thunderstorm Warning | TAE | Franklin, Gadsden, Jefferson, Leon, Liberty, Taylor and 1 more | 45 min |
| Feb 15, 11:23 PM EST | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Madison, Taylor, Wakulla | 32 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.1 hours before the alert went out and 49 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
- 42 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 366 m²/s²
- 0-3 km storm-relative helicity
- 383 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
701 WWUS20 KWNS 160104 SEL6 SPC WW 160104 FLZ000-GAZ000-CWZ000-160600- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 16 NWS STORM PREDICTION CENTER NORMAN OK 805 PM EST MON FEB 15 2016 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF THE CENTRAL AND EASTERN FLORIDA PANHANDLE SOUTHWESTERN GEORGIA COASTAL WATERS * EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 805 PM UNTIL 100 AM EST. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE SUMMARY...A LINE OF THUNDERSTORMS WILL CONTINUE MOVING QUICKLY EASTWARD ACROSS SOUTHEAST ALABAMA AND THE FLORIDA PANHANDLE...AND INTO SOUTHWEST GEORGIA. THE STRONGEST STORMS WITHIN THE BAND WILL BE CAPABLE OF PRODUCING DAMAGING WINDS AND POSSIBLY A TORNADO OR TWO OVER THE NEXT FEW HOURS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF ALBANY GEORGIA TO 60 MILES WEST SOUTHWEST OF CROSS CITY FLORIDA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && OTHER WATCH INFORMATION...CONTINUE...WW 15... AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350. MEAN STORM MOTION VECTOR 26040. ...GOSS
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 7:55 PM EST | Mesoscale Discussion | SPC | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more | 2 hr |
| Feb 15, 10:32 PM EST | Mesoscale Discussion | SPC | Dixie, Franklin, Gadsden, Jefferson, Lafayette, Leon and 5 more | 58 min |
| Feb 16, 1:54 AM EST | Mesoscale Discussion | SPC | Charlotte, DeSoto, Glades, Hardee, Highlands, Hillsborough and 5 more | 2 hr |
| Feb 16, 2:19 AM EST | Tornado Watch | SPC | Brevard, Charlotte, Collier, DeSoto, Glades, Hardee and 15 more | 5 hr |
| Feb 16, 4:59 AM EST | Mesoscale Discussion | SPC | Hendry, Palm Beach | 61 min |
| Feb 16, 7:36 AM EST | Mesoscale Discussion | SPC | Miami-Dade, Monroe | 54 min |
| Feb 16, 1:41 AM EST | Mesoscale Discussion | SPC | Bryan, Chatham, Effingham, Liberty | 64 min |
Nearby
Tornado Watches in Georgia, 2016Tornado Watches in Florida, 2016Every tornado watch in 2016
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.