Alert archive / Florida / Heat Advisories in 2021
Heat Advisory 2, NWS Miami, FL
NWS Miami, FL issued this heat advisory at Aug 2, 2021, 2:32 AM EDT for Collier County, Glades County, Hendry County, Florida. It took effect at Aug 2, 2021, 10:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2021, 2:32 AM EDT (06:32 UTC)
- In effect from
- Aug 2, 2021, 10:00 AM EDT
- Expired
- Aug 2, 2021, 7:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Miami, FL
Counties Collier County, FL, Glades County, FL, Hendry County, FL
The nearest sounding before it
Miami, FL (KMFL), launched 00:00Z, 6.5 hours before the alert went out and 124 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
- 1515 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1095 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
623 WWUS72 KMFL 020632 NPWMFL URGENT - WEATHER MESSAGE National Weather Service Miami FL 232 AM EDT Mon Aug 2 2021 FLZ063-066-070-022300- /O.NEW.KMFL.HT.Y.0002.210802T1400Z-210802T2300Z/ Glades-Hendry-Inland Collier- Including the cities of Palmdale, Moore Haven, Clewiston, LaBelle, Big Cypress Seminole Reservation, and Immokalee 232 AM EDT Mon Aug 2 2021 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 110 expected. * WHERE...Glades, Hendry and Inland Collier Counties. * WHEN...From 10 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ RAG
1 follow-up statement
428 WWUS72 KMFL 021307 NPWMFL URGENT - WEATHER MESSAGE National Weather Service Miami FL 907 AM EDT Mon Aug 2 2021 FLZ063-066-070-022300- /O.CON.KMFL.HT.Y.0002.210802T1400Z-210802T2300Z/ Glades-Hendry-Inland Collier- Including the cities of Palmdale, Moore Haven, Clewiston, LaBelle, Big Cypress Seminole Reservation, and Immokalee 907 AM EDT Mon Aug 2 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 108 expected. * WHERE...Hendry, Inland Collier and Glades Counties. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ FELL
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 6:42 AM EDT | Special Marine Warning | MFL | 48 min | |
| Aug 2, 8:57 AM EDT | Special Marine Warning | MFL | 24 min | |
| Aug 2, 10:36 AM EDT | Special Weather Statement | MFL | Monroe | 39 min |
| Aug 2, 12:18 PM EDT | Special Weather Statement | MFL | Broward | 42 min |
| Aug 2, 1:39 PM EDT | Special Weather Statement | MFL | Miami-Dade | 51 min |
| Aug 2, 2:28 PM EDT | Special Weather Statement | MFL | Broward | 47 min |
| Aug 2, 2:39 PM EDT | Special Weather Statement | MFL | Broward | 36 min |
| Aug 2, 3:04 PM EDT | Special Weather Statement | MFL | Broward | 41 min |
| Aug 2, 3:08 PM EDT | Areal Flood Advisory | MFL | Broward, Miami-Dade, Palm Beach | 2 hr |
| Aug 2, 3:14 PM EDT | Special Weather Statement | MFL | Broward | 46 min |
| Aug 2, 3:17 PM EDT | Special Marine Warning | MFL | 58 min | |
| Aug 2, 3:26 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 37 min |
| Aug 2, 3:33 PM EDT | Areal Flood Advisory | MFL | Broward, Palm Beach | 117 min |
| Aug 2, 3:43 PM EDT | Special Weather Statement | MFL | Palm Beach | 47 min |
| Aug 2, 4:01 PM EDT | Special Marine Warning | MFL | 59 min | |
| Aug 2, 4:07 PM EDT | Special Marine Warning | MFL | 68 min | |
| Aug 2, 4:31 PM EDT | Special Weather Statement | MFL | Palm Beach | 44 min |
| Aug 2, 4:47 PM EDT | Special Weather Statement | MFL | Glades | 43 min |
| Aug 2, 5:15 PM EDT | Special Marine Warning | MFL | 45 min | |
| Aug 2, 5:19 PM EDT | Special Weather Statement | MFL | Hendry | 41 min |
| Aug 2, 5:54 PM EDT | Special Weather Statement | MFL | Hendry | 51 min |
Nearby
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.