Alert archive / Florida / Tornado Warnings in 2008
Tornado Warning 6, NWS Key West, FL
NWS Key West, FL issued this tornado warning at Aug 30, 2008, 7:31 PM EDT for Monroe County, Florida. It was in force for 29 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, 7:31 PM EDT (23:31 UTC)
- Expired
- Aug 30, 2008, 8:00 PM EDT
- In force
- 29 min
- Issued by
- NWS Key West, FL
- Area
- Storm-based polygon
County Monroe County, FL
The radar
The Key West radar (KBYX), 41 km from the middle of the area, began a volume at 23:33 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 30, 5:05 PM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 11.5 hours before the alert went out and 45 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 302331
TORKEY
FLC087-310000-
/O.NEW.KKEY.TO.W.0006.080830T2331Z-080831T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
731 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 800 PM EDT
* AT 728 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
VIOLENT WATERSPOUT NEAR BAHIA HONDA KEY...OR 10 MILES SOUTHWEST OF
MARATHON...MOVING NORTHWEST AT 25 MPH.
* THE TORNADO WILL BE NEAR...
BAHIA HONDA KEY AND OHIO KEY BY 735 PM EDT...
BIG PINE KEY...MIDDLE TORCH KEY AND LITTLE TORCH KEY BY 745 PM
EDT...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT SUNDAY MORNING FOR
CENTRAL FLORIDA.
LAT...LON 2472 8146 2477 8136 2476 8133 2481 8129
2478 8125 2474 8129 2472 8128 2469 8129
2470 8125 2466 8123 2462 8133
TIME...MOT...LOC 2330Z 128DEG 40KT 2462 8121
$$
042 follow-up statements
000
WWUS52 KKEY 302348
SVSKEY
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
748 PM EDT SAT AUG 30 2008
FLC087-310000-
/O.CON.KKEY.TO.W.0006.000000T0000Z-080831T0000Z/
LOWER KEYS IN MONROE FL-
746 PM EDT SAT AUG 30 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR LOWER
KEYS IN MONROE COUNTY...
AT 745 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR NO NAME KEY...OR
15 MILES WEST OF MARATHON...MOVING NORTHWEST AT 25 MPH.
TORNADOES ASSOCIATED WITH TROPICAL CYCLONES MOVE RAPIDLY...ARE OFTEN
WRAPPED IN HEAVY RAIN...AND ARE DIFFICULT TO SEE OR HEAR UNTIL THEY
ARE VERY CLOSE.
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION.
IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO
THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT SUNDAY MORNING FOR
CENTRAL FLORIDA.
LAT...LON 2472 8146 2477 8136 2476 8133 2481 8129
2478 8125 2474 8129 2472 8128 2469 8129
2470 8125 2466 8123 2462 8133
TIME...MOT...LOC 2346Z 128DEG 40KT 2473 8136
$$
04000
WWUS52 KKEY 310000
SVSKEY
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
800 PM EDT SAT AUG 30 2008
FLC087-310008-
/O.EXP.KKEY.TO.W.0006.000000T0000Z-080831T0000Z/
LOWER KEYS IN MONROE FL-
800 PM EDT SAT AUG 30 2008
...THE TORNADO WARNING FOR LOWER KEYS IN MONROE COUNTY EXPIRES AT
800 PM EDT...
THE STORM THAT PROMPTED THE TORNADO WARNING IN THE LOWER KEYS...NEAR
NO NAME KEY AND BIG PINE KEY...HAS WEAKENED AND MOVED OFF TO THE
NORTHWEST. THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT SUNDAY MORNING FOR
CENTRAL FLORIDA.
LAT...LON 2472 8146 2477 8136 2476 8133 2481 8129
2478 8125 2474 8129 2472 8128 2469 8129
2470 8125 2466 8123 2462 8133
TIME...MOT...LOC 2358Z 128DEG 40KT 2481 8148
$$
04The 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, 2:24 PM EDT | Tornado Warning | KEY | Monroe | 21 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, 7:39 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.