Alert archive / Florida / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 61, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 18, 2024, 1:34 PM EDT for Palm Beach County, Florida. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 18, 2024, 1:34 PM EDT (17:34 UTC)
- Expired
- Jul 18, 2024, 2:00 PM EDT
- In force
- 26 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 115 km from the middle of the area, began a volume at 17:37 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
Tampa Bay, FL (KTBW), launched 12:00Z, 5.6 hours before the alert went out and 227 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
- 1861 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 761 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Miami, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 12:36 PM EDT, 58 minutes earlier.
Area forecast discussion, Jul 18, 12:36 PM EDT, 58 minutes before
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Hazardous Weather Outlook...UPDATED National Weather Service Miami FL 934 AM EDT Thu Jul 18 2024 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 190200- Lake Okeechobee-Biscayne Bay- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas-Glades-Hendry- Inland Palm Beach County-Metro Palm Beach County- Coastal Collier County-Inland Collier County-Inland Broward County- Metro Broward County-Inland Miami-Dade County- Metropolitan Miami Dade-Mainland Monroe-Coastal Palm Beach County- Coastal Broward County-Coastal Miami Dade County-Far South Miami- Dade County- Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM- Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM- Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM- 934 AM EDT Thu Jul 18 2024 ...Heat Advisory Today for Miami-Dade And Broward Counties... ...Scattered To Numerous Storms Today Especially Interior/West... This Hazardous Weather Outlook is for Atlantic coastal waters, southeast Florida, southern Florida, southwest Florida and Gulf of Mexico. .DAY ONE...Today and tonight. Thunderstorms: Scattered to numerous thunderstorms are expected today, especially this afternoon and early evening over the interior and west coast metro areas. Frequent lightning, gusty winds, and locally heavy rains are the main threats. Heat: Peak heat indices will range between 105 to 107 through the early evening hours across most areas. The highest values will remain over the southeastern areas of South Florida where a Heat Advisory remains in effect through this evening. Flooding: There could be some minor flooding in low lying and flood prone areas from thunderstorms today. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Scattered thunderstorms will continue to be possible each day through the rest of the week and this upcoming weekend. The strongest storms could produce gusty winds, frequent lightning, and heavy downpours. Heat indices could continue to rise to near or in excess of advisory thresholds each day the rest of the week and this weekend. Thus, further heat advisories may be necessary. An elevated risk of rip currents is possible this weekend as easterly flow increases. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. Baxter
In the hours before
Local storm report, Jul 18, 12:38 PM EDT, 56 minutes before
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<h1 id="headline">This service is currently unavailable.</h1>
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</html>The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:07 PM EDT | Special Weather Statement | MFL | Hendry | 23 min |
| Jul 18, 1:46 AM EDT | Heat Advisory | MFL | Broward, Miami-Dade | 16 hr |
| Jul 18, 11:54 AM EDT | Special Marine Warning | MFL | 20 min | |
| Jul 18, 1:08 PM EDT | Special Weather Statement | MFL | Palm Beach | 37 min |
| Jul 18, 1:20 PM EDT | Special Weather Statement | MFL | Palm Beach | 25 min |
| Jul 18, 2:15 PM EDT | Special Weather Statement | MFL | Hendry | 45 min |
| Jul 18, 3:02 PM EDT | Special Weather Statement | MFL | Glades | 43 min |
| Jul 18, 3:33 PM EDT | Special Weather Statement | MFL | Glades | 42 min |
| Jul 18, 3:39 PM EDT | Special Weather Statement | MFL | Broward | 36 min |
| Jul 18, 3:46 PM EDT | Special Weather Statement | MFL | Glades | 29 min |
| Jul 18, 3:53 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 37 min |
| Jul 18, 4:21 PM EDT | Special Weather Statement | MFL | Glades | 24 min |
| Jul 18, 4:22 PM EDT | Special Weather Statement | MFL | Broward | 53 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2024Every severe thunderstorm warning 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.