Alert archive / Florida / Tornado Watches in 2005
Tornado Watch 47
The Storm Prediction Center issued this tornado watch at Mar 7, 2005, 8:15 PM CST for 18 counties in Florida; 9 counties in Georgia. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 7, 2005, 8:15 PM CST (02:15 UTC)
- Expired
- Mar 8, 2005, 3:00 AM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 27 counties
Bay County, FL, Calhoun County, FL, Columbia County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gilchrist County, FL, Gulf County, FL, Hamilton County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Suwannee County, FL, Taylor County, FL, Wakulla County, FL, Brooks County, GA, Clinch County, GA, Decatur County, GA, Echols County, GA, Grady County, GA, Lanier County, GA, Lowndes County, GA, Thomas County, GA, Ware County, GA
The radar
The Tallahassee radar (KTLH), 10 km from the middle of the area, began a volume at 02:16 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.
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 |
|---|---|---|---|---|
| Mar 7, 8:24 PM CST | Severe Thunderstorm Warning | TAE | Bay | 165 days |
| Mar 7, 8:47 PM CST | Tornado Warning | TAE | Gulf | 175 days |
| Mar 7, 8:59 PM CST | Severe Thunderstorm Warning | JAX | Suwannee | 31 min |
| Mar 7, 9:01 PM CST | Tornado Warning | TAE | Liberty | 175 days |
| Mar 7, 9:24 PM CST | Tornado Warning | TAE | Franklin | 175 days |
| Mar 7, 9:33 PM CST | Tornado Warning | TAE | Gulf | 175 days |
| Mar 7, 9:45 PM CST | Tornado Warning | TAE | Liberty, Wakulla | 175 days |
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, 2.3 hours before the alert went out and 10 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
- 170 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 080214
SEL7
SPC WW 080214
FLZ000-GAZ000-CWZ000-080900-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 47
NWS STORM PREDICTION CENTER NORMAN OK
915 PM EST MON MAR 7 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN FLORIDA
SOUTHERN GEORGIA GEORGIA
COASTAL WATERS
EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 915 PM UNTIL
400 AM EST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 35 MILES WEST NORTHWEST OF
APALACHICOLA FLORIDA TO 55 MILES SOUTH OF WAYCROSS GEORGIA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).
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 45...WW 46...
DISCUSSION...STRONG/SEVERE STORMS HAVE DEVELOPED VICINITY E/W
COASTAL FRONT JUST OFFSHORE FL PANHANDLE. WITH VERY STRONG SHEAR
PROFILES IN PLACE AND INCREASING AND ALONG WITH A DESTABILIZING AIR
MASS...POTENTIAL FOR TORNADIC SUPERCELLS WILL SPREAD EWD ACROSS
WATCH AREA.
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 500.
MEAN STORM MOTION VECTOR 24040.
...HALES
304,0853 311,0822 293,0822 290,0853SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 6:03 PM CST | Mesoscale Discussion | SPC | Bay, Calhoun, Gadsden, Gulf, Hamilton, Jackson and 9 more | 117 min |
| Mar 7, 7:11 PM CST | Mesoscale Discussion | SPC | Escambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton and 1 more | 2 hr |
| Mar 7, 10:02 PM CST | Mesoscale Discussion | SPC | Columbia, Dixie, Franklin, Gadsden, Gilchrist, Gulf and 9 more | 88 min |
| Mar 8, 1:28 AM CST | Mesoscale Discussion | SPC | Alachua, Brevard, Citrus, Clay, Flagler, Hardee and 16 more | 2 hr |
| Mar 7, 7:50 PM CST | Severe Thunderstorm Watch | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 78 more | 7 hr |
| Mar 7, 10:21 PM CST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 54 more | 84 min |
| Mar 8, 1:58 AM CST | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 40 more | 62 min |
Nearby
Tornado Watches in Florida, 2005Tornado Watches in Georgia, 2005Every tornado watch in 2005
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.