Alert archive / Florida / Tornado Warnings in 2024
Tornado Warning 4, NWS Key West, FL
NWS Key West, FL issued this tornado warning at Mar 23, 2024, 11:36 AM EDT for Monroe County, Florida. It was in force for 14 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
- Mar 23, 2024, 11:36 AM EDT (15:36 UTC)
- Expired
- Mar 23, 2024, 11:50 AM EDT
- In force
- 14 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), 34 km from the middle of the area, began a volume at 15:40 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, 3.6 hours before the alert went out and 36 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
- 2148 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 310 m²/s²
- 0-3 km storm-relative helicity
- 386 m²/s²
- Significant tornado parameter
- 5.3
- Supercell composite
- 17.1
The text
As transmitted.
098
WFUS52 KKEY 231536
TORKEY
FLC087-231600-
/O.NEW.KKEY.TO.W.0004.240323T1536Z-240323T1600Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Key West FL
1136 AM EDT Sat Mar 23 2024
The National Weather Service in Key West has issued a
* Tornado Warning for...
Lower Keys in Monroe County in Florida...
* Until noon EDT.
* At 1135 AM EDT, a severe thunderstorm capable of producing a
tornado was located over Upper Sugarloaf Key, or 8 miles west of
Niles Channel Bridge, moving east at 45 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...
Niles Channel Bridge, Summerland Key, Upper Sugarloaf Key, Cudjoe
Key, Ramrod Key, and Big Torch Key around 1140 AM EDT.
Little Palm Island Resort, Middle Torch Key, Little Torch Key, and
Big Pine Key around 1145 AM EDT.
Spanish Harbor Channel Bridge around 1150 AM EDT.
Bahia Honda Channel Bridge and Bahia Honda Key around 1155 AM EDT.
Other locations impacted by this tornadic thunderstorm include No
Name Key.
This includes US 1 between mile markers 17 and 41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to 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 2465 8163 2471 8162 2473 8161 2476 8126
2469 8128 2471 8123 2469 8121 2467 8122
2464 8123 2461 8132
TIME...MOT...LOC 1535Z 273DEG 37KT 2468 8156
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
JAM1 follow-up statement
801
WWUS52 KKEY 231550
SVSKEY
Severe Weather Statement
National Weather Service Key West FL
1150 AM EDT Sat Mar 23 2024
FLC087-231559-
/O.CAN.KKEY.TO.W.0004.000000T0000Z-240323T1600Z/
Lower Keys in Monroe FL-
1150 AM EDT Sat Mar 23 2024
...THE TORNADO WARNING FOR LOWER KEYS IN MONROE COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
&&
LAT...LON 2465 8163 2471 8162 2473 8161 2476 8126
2469 8128 2471 8123 2469 8121 2467 8122
2464 8123 2461 8132
TIME...MOT...LOC 1548Z 273DEG 37KT 2467 8139
$$
JAMThe office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 8:10 PM EDT | Special Marine Warning | KEY | 65 min | |
| Mar 22, 8:12 PM EDT | Special Marine Warning | KEY | 63 min | |
| Mar 22, 8:15 PM EDT | Special Marine Warning | KEY | 60 min | |
| Mar 22, 8:37 PM EDT | Special Marine Warning | KEY | 27 min | |
| Mar 22, 8:49 PM EDT | Special Marine Warning | KEY | 24 min | |
| Mar 22, 9:11 PM EDT | Special Marine Warning | KEY | 64 min | |
| Mar 22, 9:21 PM EDT | Special Marine Warning | KEY | 54 min | |
| Mar 22, 9:36 PM EDT | Special Marine Warning | KEY | 21 min | |
| Mar 22, 10:19 PM EDT | Special Marine Warning | KEY | 56 min | |
| Mar 22, 10:35 PM EDT | Special Marine Warning | KEY | 55 min | |
| Mar 22, 11:28 PM EDT | Special Marine Warning | KEY | 41 min | |
| Mar 23, 12:02 AM EDT | Special Marine Warning | KEY | 28 min | |
| Mar 23, 12:23 AM EDT | Special Marine Warning | KEY | 52 min | |
| Mar 23, 12:36 AM EDT | Special Marine Warning | KEY | 54 min | |
| Mar 23, 1:57 AM EDT | Special Marine Warning | KEY | 63 min | |
| Mar 23, 2:21 AM EDT | Special Marine Warning | KEY | 33 min | |
| Mar 23, 2:52 AM EDT | Special Marine Warning | KEY | 38 min | |
| Mar 23, 3:53 AM EDT | Special Marine Warning | KEY | 26 min | |
| Mar 23, 5:47 AM EDT | Special Marine Warning | KEY | 43 min | |
| Mar 23, 6:10 AM EDT | Special Marine Warning | KEY | 28 min | |
| Mar 23, 6:25 AM EDT | Special Marine Warning | KEY | 31 min | |
| Mar 23, 6:37 AM EDT | Special Marine Warning | KEY | 38 min | |
| Mar 23, 7:13 AM EDT | Special Marine Warning | KEY | 34 min | |
| Mar 23, 7:22 AM EDT | Special Marine Warning | KEY | 38 min | |
| Mar 23, 7:34 AM EDT | Special Marine Warning | KEY | 41 min | |
| Mar 23, 7:46 AM EDT | Special Marine Warning | KEY | 4 min | |
| Mar 23, 7:50 AM EDT | Special Marine Warning | KEY | 40 min | |
| Mar 23, 7:54 AM EDT | Special Marine Warning | KEY | 51 min | |
| Mar 23, 8:00 AM EDT | Special Marine Warning | KEY | 45 min | |
| Mar 23, 8:05 AM EDT | Special Weather Statement | KEY | 25 min | |
| Mar 23, 8:15 AM EDT | Special Marine Warning | KEY | 60 min | |
| Mar 23, 8:18 AM EDT | Special Marine Warning | KEY | 57 min | |
| Mar 23, 8:32 AM EDT | Special Marine Warning | KEY | 58 min | |
| Mar 23, 8:42 AM EDT | Special Marine Warning | KEY | 49 min | |
| Mar 23, 9:12 AM EDT | Special Marine Warning | KEY | 48 min | |
| Mar 23, 9:16 AM EDT | Special Marine Warning | KEY | 59 min | |
| Mar 23, 9:30 AM EDT | Special Marine Warning | KEY | 45 min | |
| Mar 23, 10:00 AM EDT | Special Marine Warning | KEY | 60 min | |
| Mar 23, 10:09 AM EDT | Special Marine Warning | KEY | 66 min | |
| Mar 23, 10:15 AM EDT | Special Marine Warning | KEY | 60 min | |
| Mar 23, 11:00 AM EDT | Special Marine Warning | KEY | 60 min | |
| Mar 23, 11:08 AM EDT | Special Marine Warning | KEY | 67 min | |
| Mar 23, 11:33 AM EDT | Special Weather Statement | KEY | 27 min | |
| Mar 23, 11:41 AM EDT | Special Marine Warning | KEY | 64 min | |
| Mar 23, 11:46 AM EDT | Special Marine Warning | KEY | 59 min | |
| Mar 23, 11:57 AM EDT | Special Weather Statement | KEY | Miami-Dade | 33 min |
| Mar 23, 12:01 PM EDT | Special Marine Warning | KEY | 44 min | |
| Mar 23, 12:46 PM EDT | Special Marine Warning | KEY | 59 min | |
| Mar 23, 1:45 PM EDT | Special Marine Warning | KEY | 60 min |
Nearby
Tornado Warnings in Florida, 2024Every tornado warning in 2024Tornadoes in 2024
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.