Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 150, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Sep 6, 2012, 4:52 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 38 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 6, 2012, 4:52 PM EDT (20:52 UTC)
- Expired
- Sep 6, 2012, 5:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
Counties Broward County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 91 km from the middle of the area, began a volume at 20:52 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 6, 5:00 PM EDT | TSTM WND GST 50 | Pompano Beach, FL | A WEATHERBUG SITE RECORDED A WIND GUST OF 50 MPH AT MONARCH HIGH SCHOOL. |
| Sep 6, 5:25 PM EDT | TSTM WND GST 60 | 8 W Delray Beach, FL | A TRAINED WEATHER SPOTTER ESTIMATED A WIND GUST OF 60 MPH 8 MILES WEST OF DELRAY BEACH ALONG US HIGHWAY 441. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 8.9 hours before the alert went out and 67 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
- 2065 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
364 WUUS52 KMFL 062052 SVRMFL FLC011-099-062130- /O.NEW.KMFL.SV.W.0150.120906T2052Z-120906T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 452 PM EDT THU SEP 6 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN BROWARD COUNTY IN SOUTH FLORIDA. SOUTHEASTERN PALM BEACH COUNTY IN SOUTH FLORIDA. * UNTIL 530 PM EDT * AT 448 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR PARKLAND...AND MOVING NORTH AT 10 MPH. THESE STORMS HAVE A HISTORY OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH WINDS. * THE STORM WILL AFFECT... BOCA RATON... MISSION BAY... WHISPER WALK... 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. && LAT...LON 2654 8036 2653 8005 2622 8012 2626 8036 TIME...MOT...LOC 2051Z 175DEG 7KT 2634 8023 $$ AK
2 follow-up statements
658 WWUS52 KMFL 062115 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 515 PM EDT THU SEP 6 2012 FLC011-062125- /O.CAN.KMFL.SV.W.0150.000000T0000Z-120906T2130Z/ BROWARD FL- 515 PM EDT THU SEP 6 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BROWARD COUNTY IS CANCELLED... LAT...LON 2636 8032 2654 8028 2653 8005 2633 8009 TIME...MOT...LOC 2115Z 199DEG 8KT 2643 8018 $$ FLC099-062130- /O.CON.KMFL.SV.W.0150.000000T0000Z-120906T2130Z/ PALM BEACH FL- 515 PM EDT THU SEP 6 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR SOUTHEASTERN PALM BEACH COUNTY... AT 514 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MORIKAMI PARK...MOVING NORTH AT 10 MPH. LAT...LON 2636 8032 2654 8028 2653 8005 2633 8009 TIME...MOT...LOC 2115Z 199DEG 8KT 2643 8018 $$ AK
491 WWUS52 KMFL 062128 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 528 PM EDT THU SEP 6 2012 FLC099-062138- /O.EXP.KMFL.SV.W.0150.000000T0000Z-120906T2130Z/ PALM BEACH FL- 528 PM EDT THU SEP 6 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PALM BEACH COUNTY WILL EXPIRE AT 530 PM EDT... THUNDERSTORMS REMAIN IN THE AREA. FREQUENT LIGHTNING...GUSTY WINDS TO 45 TO 55 MPH AND VERY HEAVY RAINFALL ARE STILL POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST UPDATES. LAT...LON 2636 8032 2654 8028 2653 8005 2633 8009 TIME...MOT...LOC 2128Z 199DEG 8KT 2646 8017 $$ AK
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 12:53 PM EDT | Special Weather Statement | MFL | Broward | 52 min |
| Sep 6, 2:46 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 119 min |
| Sep 6, 2:58 PM EDT | Special Marine Warning | MFL | 92 min | |
| Sep 6, 3:20 PM EDT | Special Weather Statement | MFL | Palm Beach | 25 min |
| Sep 6, 3:32 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 43 min |
| Sep 6, 3:40 PM EDT | Special Weather Statement | MFL | Broward | 35 min |
| Sep 6, 4:01 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 25 min |
| Sep 6, 4:10 PM EDT | Special Weather Statement | MFL | Broward | 50 min |
| Sep 6, 4:36 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 24 min |
| Sep 6, 5:33 PM EDT | Special Marine Warning | MFL | 36 min | |
| Sep 6, 5:42 PM EDT | Areal Flood Advisory | MFL | Collier | 2 hr |
| Sep 6, 5:47 PM EDT | Areal Flood Advisory | MFL | Glades, Hendry | 118 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.