Alert archive / Florida / Tornado Warnings in 2023
Tornado Warning 1, NWS Key West, FL
NWS Key West, FL issued this tornado warning at Nov 15, 2023, 6:27 AM EST for Monroe County, Florida. It was in force for 33 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
- Nov 15, 2023, 6:27 AM EST (11:27 UTC)
- Expired
- Nov 15, 2023, 7:00 AM EST
- In force
- 33 min
- Issued by
- NWS Key West, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Monroe County, FL
The radar
The Key West radar (KBYX), 49 km from the middle of the area, began a volume at 11:30 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 00:00Z, 11.5 hours before the alert went out and 51 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
- 123 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 866 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
411
WFUS52 KKEY 151127
TORKEY
FLC087-151200-
/O.NEW.KKEY.TO.W.0001.231115T1127Z-231115T1200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Key West FL
627 AM EST Wed Nov 15 2023
The National Weather Service in Key West has issued a
* Tornado Warning for...
Lower Keys in Monroe County in Florida...
Middle Keys in Monroe County in Florida...
* Until 700 AM EST.
* At 627 AM EST, a severe thunderstorm capable of producing a tornado
was located over Big Pine Key, or near Niles Channel Bridge, moving
northwest at 15 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Middle Torch Key, Big Pine Key, and Big Torch Key around 635 AM
EST.
Other locations impacted by this tornadic thunderstorm include No
Name Key and Key Colony Beach.
This includes US 1 between mile markers 27 and 53.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2473 8147 2480 8137 2479 8133 2480 8128
2476 8125 2469 8128 2471 8123 2469 8120
2470 8119 2473 8117 2477 8104 2471 8101
2467 8111 2467 8115 2469 8118 2468 8121
2464 8123 2459 8138
TIME...MOT...LOC 1127Z 132DEG 12KT 2469 8137
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
JAM2 follow-up statements
048
WWUS52 KKEY 151129
SVSKEY
Severe Weather Statement
National Weather Service Key West FL
629 AM EST Wed Nov 15 2023
FLC087-151200-
/O.CON.KKEY.TO.W.0001.000000T0000Z-231115T1200Z/
Lower Keys in Monroe FL-
629 AM EST Wed Nov 15 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM EST FOR LOWER
KEYS IN MONROE COUNTY...
At 628 AM EST, a severe thunderstorm capable of producing a tornado
was located over Big Pine Key, or near Niles Channel Bridge, moving
northwest at 15 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Middle Torch Key, Little Torch Key, Big Pine Key, Ramrod Key, and
Big Torch Key around 635 AM EST.
Other locations impacted by this tornadic thunderstorm include No
Name Key.
This includes US 1 between mile markers 27 and 35.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2473 8147 2480 8137 2479 8133 2476 8132
2473 8130 2469 8128 2466 8129 2464 8129
2460 8136 2459 8138
TIME...MOT...LOC 1128Z 132DEG 12KT 2469 8138
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
JAM029
WWUS52 KKEY 151153
SVSKEY
Severe Weather Statement
National Weather Service Key West FL
653 AM EST Wed Nov 15 2023
FLC087-151202-
/O.EXP.KKEY.TO.W.0001.000000T0000Z-231115T1200Z/
Lower Keys in Monroe FL-
653 AM EST Wed Nov 15 2023
...THE TORNADO WARNING FOR LOWER KEYS IN MONROE COUNTY WILL EXPIRE AT
700 AM EST...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 2473 8147 2480 8137 2479 8133 2476 8132
2473 8130 2469 8128 2466 8129 2464 8129
2460 8136 2459 8138
TIME...MOT...LOC 1152Z 132DEG 12KT 2473 8143
$$
JAMThe office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 15, 6:30 AM EST | Special Marine Warning | KEY | 24 min | |
| Nov 15, 8:26 AM EST | Flood Watch | KEY | Monroe | 22 hr |
| Nov 15, 9:18 AM EST | Special Weather Statement | KEY | 27 min | |
| Nov 15, 10:54 AM EST | Special Marine Warning | KEY | 43 min | |
| Nov 15, 12:44 PM EST | Areal Flood Advisory | KEY | Monroe | 3 hr |
| Nov 15, 12:51 PM EST | Special Marine Warning | KEY | 39 min | |
| Nov 15, 1:12 PM EST | Special Marine Warning | KEY | 48 min | |
| Nov 15, 2:28 PM EST | Special Marine Warning | KEY | 32 min | |
| Nov 15, 2:57 PM EST | Special Marine Warning | KEY | 48 min | |
| Nov 15, 2:58 PM EST | Special Marine Warning | KEY | 47 min | |
| Nov 15, 3:27 PM EST | Special Marine Warning | KEY | 48 min | |
| Nov 15, 3:41 PM EST | Special Marine Warning | KEY | 49 min | |
| Nov 15, 3:45 PM EST | Special Marine Warning | KEY | 17 min | |
| Nov 15, 3:55 PM EST | Special Marine Warning | KEY | 35 min | |
| Nov 15, 4:07 PM EST | Areal Flood Warning | KEY | Monroe | 4 hr |
| Nov 15, 4:15 PM EST | Special Marine Warning | KEY | 45 min | |
| Nov 15, 4:26 PM EST | Special Marine Warning | KEY | 49 min | |
| Nov 15, 4:27 PM EST | Special Marine Warning | KEY | 48 min | |
| Nov 15, 4:33 PM EST | Special Marine Warning | KEY | 42 min | |
| Nov 15, 4:44 PM EST | Special Marine Warning | KEY | 46 min | |
| Nov 15, 5:01 PM EST | Special Marine Warning | KEY | 44 min | |
| Nov 15, 5:02 PM EST | Special Marine Warning | KEY | 43 min | |
| Nov 15, 5:04 PM EST | Special Marine Warning | KEY | 41 min | |
| Nov 15, 5:14 PM EST | Special Marine Warning | KEY | 46 min | |
| Nov 15, 5:14 PM EST | Special Marine Warning | KEY | 46 min | |
| Nov 15, 5:17 PM EST | Special Marine Warning | KEY | 43 min | |
| Nov 15, 5:22 PM EST | Tornado Warning | KEY | Monroe | 23 min |
| Nov 15, 5:45 PM EST | Special Marine Warning | KEY | 45 min | |
| Nov 15, 5:45 PM EST | Tornado Warning | KEY | Monroe | 15 min |
| Nov 15, 5:58 PM EST | Special Marine Warning | KEY | 47 min | |
| Nov 15, 6:25 PM EST | Special Marine Warning | KEY | 12 min | |
| Nov 15, 6:43 PM EST | Areal Flood Warning | KEY | Monroe | 11 hr |
| Nov 15, 6:44 PM EST | Special Marine Warning | KEY | 31 min |
Nearby
Tornado Warnings in Florida, 2023Every tornado warning in 2023Tornadoes in 2023
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.