Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 110, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 24, 2012, 4:17 PM EDT for Collier County, Glades County, Hendry County, Florida. It was in force for 21 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
- Jul 24, 2012, 4:17 PM EDT (20:17 UTC)
- Expired
- Jul 24, 2012, 4:38 PM EDT
- In force
- 21 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
Counties Collier County, FL, Glades County, FL, Hendry County, FL
The radar
The Miami radar (KAMX), 138 km from the middle of the area, began a volume at 20:17 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 (KMIA), launched 12:00Z, 8.3 hours before the alert went out and 127 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
- 4148 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 501 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
087 WUUS52 KMFL 242017 SVRMFL FLC021-043-051-242100- /O.NEW.KMFL.SV.W.0110.120724T2017Z-120724T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 417 PM EDT TUE JUL 24 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL GLADES COUNTY IN SOUTH FLORIDA. NORTHERN HENDRY COUNTY IN SOUTH FLORIDA. NORTH CENTRAL COLLIER COUNTY IN SOUTH FLORIDA. * UNTIL 500 PM EDT * AT 412 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 11 MILES NORTH OF DEVILS GARDEN TO 3 MILES NORTH OF FELDA...AND MOVING SOUTHEAST AT 5 MPH. * THE LINE OF STORMS WILL AFFECT... FELDA... AND SURROUNDING COMMUNITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH AND OR LARGE HAIL. FREQUENT TO EXCESSIVE LIGHTNING AND HEAVY RAINFALL IS ALSO POSSIBLE. IF THE STORM APPROACHES YOUR LOCATION, SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305.229.4528 TO REPORT SEVERE WEATHER. && LAT...LON 2670 8094 2638 8131 2657 8155 2684 8116 TIME...MOT...LOC 2017Z 309DEG 3KT 2676 8119 2658 8142 $$ AK
1 follow-up statement
300 WWUS52 KMFL 242038 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 438 PM EDT TUE JUL 24 2012 FLC021-043-051-242048- /O.CAN.KMFL.SV.W.0110.000000T0000Z-120724T2100Z/ HENDRY FL-GLADES FL-COLLIER FL- 438 PM EDT TUE JUL 24 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL COLLIER...SOUTH CENTRAL GLADES AND NORTHERN HENDRY COUNTIES IS CANCELLED... THUNDERSTORMS REMAIN IN THE AREA. FREQUENT LIGHTNING...GUSTY WINDS TO 45 MPH...VERY HEAVY RAINFALL AND SMALL HAIL ARE STILL POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST UPDATES. LAT...LON 2670 8094 2638 8131 2657 8155 2684 8116 TIME...MOT...LOC 2038Z 309DEG 3KT 2675 8117 2657 8140 $$ AK
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:16 PM EDT | Special Weather Statement | MFL | Collier | 29 min |
| Jul 24, 4:02 PM EDT | Special Weather Statement | MFL | Broward | 28 min |
| Jul 24, 4:04 PM EDT | Special Weather Statement | MFL | Hendry | 26 min |
| Jul 24, 4:32 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 14 min |
| Jul 24, 4:37 PM EDT | Special Weather Statement | MFL | Palm Beach | 23 min |
| Jul 24, 4:40 PM EDT | Special Weather Statement | MFL | Glades | 35 min |
| Jul 24, 4:45 PM EDT | Special Marine Warning | MFL | 42 min | |
| Jul 24, 4:51 PM EDT | Special Weather Statement | MFL | Palm Beach | 24 min |
| Jul 24, 4:58 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 32 min |
| Jul 24, 5:18 PM EDT | Special Weather Statement | MFL | Palm Beach | 42 min |
| Jul 24, 5:23 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 25 min |
| Jul 24, 5:29 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 31 min |
| Jul 24, 5:39 PM EDT | Special Weather Statement | MFL | Martin | 36 min |
| Jul 24, 5:54 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 29 min |
| Jul 24, 6:17 PM EDT | Special Marine Warning | MFL | 28 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2012Every severe thunderstorm warning in 2012
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.