Alert archive / Florida / Tornado Warnings in 2008
Tornado Warning 9, NWS Key West, FL
NWS Key West, FL issued this tornado warning at Sep 9, 2008, 12:38 AM EDT for Monroe County, Florida. It was in force for 37 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, 12:38 AM EDT (04:38 UTC)
- Expired
- Sep 9, 2008, 1:15 AM EDT
- In force
- 37 min
- Issued by
- NWS Key West, FL
- Area
- Storm-based polygon
County Monroe County, FL
The radar
The Miami radar (KAMX), 69 km from the middle of the area, began a volume at 04:39 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 00:00Z, 4.6 hours before the alert went out and 95 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
- 1964 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 783 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 109 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 090438
TORKEY
FLC087-090515-
/O.NEW.KKEY.TO.W.0009.080909T0438Z-080909T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
1238 AM EDT TUE SEP 9 2008
THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A
* TORNADO WARNING FOR...
UPPER KEYS IN MONROE COUNTY IN FLORIDA...
* UNTIL 115 AM EDT
* AT 1235 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
VIOLENT WATERSPOUT 9 MILES SOUTHEAST OF ROCK HARBOR...OR 10 MILES
SOUTH OF KEY LARGO...MOVING WEST AT 48 MPH.
* THE TORNADO WILL BE NEAR...
WINDLEY KEY BY 1250 AM EDT...
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. SEEK SAFE SHELTER IMMEDIATELY
LAT...LON 2505 8046 2506 8046 2506 8045 2507 8044
2506 8047 2503 8048 2495 8057 2495 8059
2492 8062 2492 8065 2495 8064 2497 8057
2502 8055 2502 8052 2508 8047 2507 8044
2505 8044
TIME...MOT...LOC 0438Z 106DEG 42KT 2497 8044
$$
KASPER1 follow-up statement
000
WWUS52 KKEY 090517
SVSKEY
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
117 AM EDT TUE SEP 9 2008
FLC087-090527-
/O.EXP.KKEY.TO.W.0009.000000T0000Z-080909T0515Z/
UPPER KEYS IN MONROE FL-
117 AM EDT TUE SEP 9 2008
...THE TORNADO WARNING FOR UPPER KEYS IN MONROE COUNTY HAS EXPIRED...
LAT...LON 2505 8046 2506 8046 2506 8045 2507 8044
2506 8047 2503 8048 2495 8057 2495 8059
2492 8062 2492 8065 2495 8064 2497 8057
2502 8055 2502 8052 2508 8047 2507 8044
2505 8044
TIME...MOT...LOC 0438Z 106DEG 42KT 2497 8044
$$
KASPERThe office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 8:51 AM EDT | Tornado Warning | KEY | Monroe | 14 min |
| Sep 9, 2:05 PM EDT | Tornado Warning | KEY | Monroe | 25 min |
| Sep 9, 3:00 PM EDT | Tornado Warning | KEY | Monroe | 30 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.