Alert archive / Florida / Tornado Warnings in 2012
Tornado Warning 60, NWS Tallahassee, FL
NWS Tallahassee, FL issued this tornado warning at Aug 30, 2012, 6:02 AM CDT for Bay County, Washington County, Florida. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 30, 2012, 6:02 AM CDT (11:02 UTC)
- Expired
- Aug 30, 2012, 6:30 AM CDT
- In force
- 28 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Bay County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 21 km from the middle of the area, began a volume at 11:03 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 00:00Z, 11.0 hours before the alert went out and 135 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
- 837 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 603 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
323 WFUS52 KTAE 301102 TORTAE FLC005-133-301130- /O.NEW.KTAE.TO.W.0060.120830T1102Z-120830T1130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 602 AM CDT THU AUG 30 2012 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL BAY COUNTY IN THE PANHANDLE OF FLORIDA... CENTRAL WASHINGTON COUNTY IN THE PANHANDLE OF FLORIDA... * UNTIL 630 AM CDT * AT 559 AM CDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE NATIONAL WEATHER SERVICE 16 MILES SOUTH OF VERNON...OR NEAR CRYSTAL LAKE...MOVING NORTH AT 25 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CRYSTAL LAKE...RIVERSIDE...GREENHEAD...HOLMES VALLEY...SPRING HOLLOW...SYLVANIA...SMYRNA AND WAUSAU. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW! LEAVE MOBILE HOMES AND VEHICLES FOR SAFER STRUCTURES. MOVE TO A HALLWAY OR CLOSET ON THE LOWEST FLOOR AWAY FROM WINDOWS AND OUTSIDE WALLS. && LAT...LON 3064 8580 3066 8558 3037 8560 3036 8573 TIME...MOT...LOC 1102Z 174DEG 23KT 3042 8567 $$ 08-LAMERS
2 follow-up statements
922 WWUS52 KTAE 301117 SVSTAE SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 717 AM EDT THU AUG 30 2012 FLC005-301127- /O.CAN.KTAE.TO.W.0060.000000T0000Z-120830T1130Z/ BAY FL- 617 AM CDT THU AUG 30 2012 ...THE TORNADO WARNING FOR NORTH CENTRAL BAY COUNTY IS CANCELLED... THE STORM THAT PROMPTED THE WARNING HAS MOVED NORTH INTO WASHINGTON COUNTY. LAT...LON 3066 8560 3046 8564 3046 8571 3064 8579 TIME...MOT...LOC 1117Z 174DEG 23KT 3052 8568 $$ FLC133-301130- /O.CON.KTAE.TO.W.0060.000000T0000Z-120830T1130Z/ WASHINGTON FL- 617 AM CDT THU AUG 30 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR CENTRAL WASHINGTON COUNTY... AT 613 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR RIVERSIDE...MOVING NORTH AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLMES VALLEY...SPRING HOLLOW...SYLVANIA...VERNON AND SMYRNA && LAT...LON 3066 8560 3046 8564 3046 8571 3064 8579 TIME...MOT...LOC 1117Z 174DEG 23KT 3052 8568 $$ 08-LAMERS
960 WWUS52 KTAE 301124 SVSTAE SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 624 AM CDT THU AUG 30 2012 FLC133-301133- /O.EXP.KTAE.TO.W.0060.000000T0000Z-120830T1130Z/ WASHINGTON FL- 624 AM CDT THU AUG 30 2012 ...THE TORNADO WARNING FOR CENTRAL WASHINGTON COUNTY WILL EXPIRE AT 630 AM CDT... THE ROTATION IN THE STORM THAT PROMPTED THE WARNING HAS WEAKENED. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT (8 5 0) 9 4 2 8 8 3 3. OR...CONTACT LAW ENFORCEMENT. LAT...LON 3066 8560 3046 8564 3046 8571 3064 8579 TIME...MOT...LOC 1123Z 174DEG 23KT 3056 8569 $$ 08-LAMERS
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 1:49 AM CDT | Tornado Warning | TAE | Walton | 26 min |
| Aug 30, 1:59 AM CDT | Tornado Warning | TAE | Walton | 31 min |
| Aug 30, 2:31 AM CDT | Tornado Warning | TAE | Walton | 29 min |
| Aug 30, 3:55 AM CDT | Special Marine Warning | TAE | 35 min | |
| Aug 30, 4:07 AM CDT | Tornado Warning | TAE | Walton | 23 min |
| Aug 30, 4:37 AM CDT | Tornado Warning | TAE | Walton | 43 min |
| Aug 30, 9:17 AM CDT | Special Weather Statement | TAE | Walton | 28 min |
| Aug 30, 9:28 AM CDT | Tornado Warning | TAE | Walton | 32 min |
| Aug 30, 10:53 AM CDT | Special Marine Warning | TAE | 22 min | |
| Aug 30, 10:56 AM CDT | Special Weather Statement | TAE | Walton | 34 min |
| Aug 30, 12:05 PM CDT | Special Marine Warning | TAE | 40 min |
Nearby
Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes in 2012
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.