Alert archive / Florida / Tornado Warnings in 2008
Tornado Warning 12, NWS Key West, FL
NWS Key West, FL issued this tornado warning at Sep 9, 2008, 3:00 PM EDT for Monroe County, Florida. It was in force for 30 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
- Sep 9, 2008, 3:00 PM EDT (19:00 UTC)
- Expired
- Sep 9, 2008, 3:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Key West, FL
- Area
- Storm-based polygon
County Monroe County, FL
The radar
The Miami radar (KAMX), 38 km from the middle of the area, began a volume at 19:02 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
Miami, FL (KMFL), launched 12:00Z, 7.0 hours before the alert went out and 60 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
- 2105 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 205 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 091900
TORKEY
FLC087-091930-
/O.NEW.KKEY.TO.W.0012.080909T1900Z-080909T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
300 PM EDT TUE SEP 9 2008
THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A
* TORNADO WARNING FOR...
NORTH KEY IN THE UPPER KEYS MONROE COUNTY IN FLORIDA...
* UNTIL 330 PM EDT
* AT 253 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO IN NORTH KEY
LARGO...NEAR CARD SOUND ROAD...MOVING NORTHWEST AT 40 MPH.
* THE TORNADO WILL BE NEAR...
CARD SOUND ROAD AND NORTH KEY LARGO BY 307 PM EDT...
LAT...LON 2525 8030 2523 8033 2524 8035 2526 8034
2529 8037 2530 8036 2531 8033 2530 8032
2533 8030 2531 8027
TIME...MOT...LOC 1857Z 128DEG 36KT 2522 8024
$$
111 follow-up statement
000
WWUS52 KKEY 091922
SVSKEY
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
322 PM EDT TUE SEP 9 2008
FLC087-091932-
/O.EXP.KKEY.TO.W.0012.000000T0000Z-080909T1930Z/
UPPER KEYS IN MONROE FL-
322 PM EDT TUE SEP 9 2008
...THE TORNADO WARNING FOR UPPER KEYS IN MONROE COUNTY IS CANCELED...
THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED ACROSS NORTH
KEY LARGO HAS MIGRATED NORTH OF THE ISLAND CHAIN. THEREFORE...THE
TORNADO WARNING HAS BEEN CANCELED.
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE KEY WEST
AT 3 0 5...2 9 5...1 3 1 6...EXTENSION 3.
LAT...LON 2525 8030 2523 8033 2524 8035 2526 8034
2529 8037 2530 8036 2531 8033 2530 8032
2533 8030 2531 8027
TIME...MOT...LOC 1922Z 128DEG 36KT 2537 8046
$$
11The office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 12:38 AM EDT | Tornado Warning | KEY | Monroe | 37 min |
| Sep 9, 8:51 AM EDT | Tornado Warning | KEY | Monroe | 14 min |
| Sep 9, 2:05 PM EDT | Tornado Warning | KEY | Monroe | 25 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.