Alert archive / Florida / Tornado Warnings in 2008
Tornado Warning 5, NWS Key West, FL
NWS Key West, FL issued this tornado warning at Aug 30, 2008, 2:24 PM EDT for Monroe County, Florida. It was in force for 21 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, 2008, 2:24 PM EDT (18:24 UTC)
- Expired
- Aug 30, 2008, 2:45 PM EDT
- In force
- 21 min
- Issued by
- NWS Key West, FL
- Area
- Storm-based polygon
County Monroe County, FL
The radar
The Key West radar (KBYX), 13 km from the middle of the area, began a volume at 18:24 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
Key West, FL (KEYW), launched 12:00Z, 6.4 hours before the alert went out and 16 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
- 1273 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1055 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS52 KKEY 301824
TORKEY
FLC087-301845-
/O.NEW.KKEY.TO.W.0005.080830T1824Z-080830T1845Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
224 PM EDT SAT AUG 30 2008
THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A
* TORNADO WARNING FOR...
LOWER KEYS IN MONROE COUNTY IN FLORIDA...
* UNTIL 245 PM EDT
* AT 219 PM EDT...OUR RADAR DETECTED A SMALL TORNADO OR
WATERSPOUT...18 MILES SOUTHEAST OF SUGARLOAF KEY...MOVING TOWARD
THE NORTHWEST AT 25 MPH.
* THE TORNADO WILL BE NEAR...
SUGARLOAF KEY AND LOGGERHEAD KEY BY 235 PM EDT.
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. ALWAYS
STAY AWAY FROM WINDOWS.
LAT...LON 2461 8168 2463 8167 2464 8164 2470 8164
2466 8156 2466 8153 2463 8145 2459 8146
2460 8153 2458 8158
TIME...MOT...LOC 1821Z 110DEG 35KT 2453 8126
$$
DFM/AD1 follow-up statement
000
WWUS52 KKEY 301848
SVSKEY
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
248 PM EDT SAT AUG 30 2008
FLC087-301857-
/O.EXP.KKEY.TO.W.0005.000000T0000Z-080830T1845Z/
LOWER KEYS IN MONROE FL-
247 PM EDT SAT AUG 30 2008
...THE TORNADO WARNING FOR LOWER KEYS IN MONROE COUNTY HAS EXPIRED...
THE WATERSPOUT OR SMALL TORNADO HAS REMAINED JUST OFF SHORE...AND
CAN NO LONGER BE DISCERNED CLEARLY ON OUR RADAR. THEREFORE WE HAVE
ALLOWED THIS WARNING TO EXPIRE. THE PARENT CELL REMAINS ACTIVE...AND
WE MAY RE-ISSUE THIS WARNING AT A LATER TIME.
LAT...LON 2461 8168 2463 8167 2464 8164 2470 8164
2466 8156 2466 8153 2463 8145 2459 8146
2460 8153 2458 8158
TIME...MOT...LOC 1824Z 096DEG 24KT 2453 8128
$$
DFM/ADThe office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 12:11 AM EDT | Tropical Storm Warning | KEY | 41 hr | |
| Aug 30, 3:13 AM EDT | Special Marine Warning | KEY | 62 min | |
| Aug 30, 5:39 AM EDT | Special Marine Warning | KEY | 51 min | |
| Aug 30, 6:28 AM EDT | Special Marine Warning | KEY | 47 min | |
| Aug 30, 9:34 AM EDT | Special Marine Warning | KEY | 26 min | |
| Aug 30, 10:04 AM EDT | Special Marine Warning | KEY | 26 min | |
| Aug 30, 10:45 AM EDT | Special Marine Warning | KEY | 49 min | |
| Aug 30, 11:42 AM EDT | Special Marine Warning | KEY | 78 min | |
| Aug 30, 12:37 PM EDT | Tropical Storm Warning | KEY | Monroe | 26 hr |
| Aug 30, 1:17 PM EDT | Special Marine Warning | KEY | 118 min | |
| Aug 30, 3:22 PM EDT | Special Marine Warning | KEY | 113 min | |
| Aug 30, 5:19 PM EDT | Special Marine Warning | KEY | 116 min | |
| Aug 30, 7:17 PM EDT | Special Marine Warning | KEY | 118 min | |
| Aug 30, 7:31 PM EDT | Tornado Warning | KEY | Monroe | 29 min |
| Aug 30, 7:39 PM EDT | Tornado Warning | KEY | Monroe | 19 min |
Nearby
Tornado Warnings in Florida, 2008Every tornado warning in 2008Tornadoes in 2008
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.