Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 20, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 14, 2012, 5:16 PM EDT for Broward County, Florida. It was in force for 29 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
- May 14, 2012, 5:16 PM EDT (21:16 UTC)
- Expired
- May 14, 2012, 5:45 PM EDT
- In force
- 29 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
County Broward County, FL
The radar
The Miami radar (KAMX), 55 km from the middle of the area, began a volume at 21:19 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 (KMFL), launched 12:00Z, 9.3 hours before the alert went out and 34 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
- 1180 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 651 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
313 WUUS52 KMFL 142116 SVRMFL FLC011-142145- /O.NEW.KMFL.SV.W.0020.120514T2116Z-120514T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 516 PM EDT MON MAY 14 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN BROWARD COUNTY IN SOUTH FLORIDA. * UNTIL 545 PM EDT * AT 514 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WESTON...AND MOVING SOUTHEAST AT 10 MPH. * THE STORM WILL AFFECT... WESTON... INTERSECTION U.S. 27 PINES BLVD... 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 2613 8030 2601 8043 2610 8050 2617 8043 TIME...MOT...LOC 2116Z 306DEG 7KT 2611 8042 $$ GARCIA
1 follow-up statement
491 WWUS52 KMFL 142143 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 543 PM EDT MON MAY 14 2012 FLC011-142151- /O.EXP.KMFL.SV.W.0020.000000T0000Z-120514T2145Z/ BROWARD FL- 543 PM EDT MON MAY 14 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BROWARD COUNTY WILL EXPIRE AT 545 PM EDT... NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS WEAKENED. THUS THE THUNDERSTORM WARNING WILL EXPIRE AT 545 PM EDT. HOWEVER...THUNDERSTORMS REMAIN IN THE AREA. FREQUENT LIGHTNING...GUSTY WINDS TO 45 MPH...VERY HEAVY RAINFALL AND SMALL HAIL ARE STILL POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST UPDATES. LAT...LON 2613 8030 2601 8043 2610 8050 2617 8043 TIME...MOT...LOC 2141Z 306DEG 7KT 2608 8038 $$ GARCIA
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 8:53 AM EDT | Special Marine Warning | MFL | 22 min | |
| May 14, 10:33 AM EDT | Special Marine Warning | MFL | 27 min | |
| May 14, 3:32 PM EDT | Special Weather Statement | MFL | Broward | 28 min |
| May 14, 3:50 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 25 min |
| May 14, 4:17 PM EDT | Special Weather Statement | MFL | Broward | 43 min |
| May 14, 4:46 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 29 min |
| May 14, 4:53 PM EDT | Special Weather Statement | MFL | Palm Beach | 22 min |
| May 14, 6:16 PM EDT | Special Weather Statement | MFL | Glades | 29 min |
| May 14, 6:46 PM EDT | Special Weather Statement | MFL | Glades | 29 min |
| May 14, 6:51 PM EDT | Special Marine Warning | MFL | 54 min | |
| May 14, 7:19 PM EDT | Special Weather Statement | MFL | Glades | 26 min |
| May 14, 7:25 PM EDT | Severe Thunderstorm Warning | MFL | Glades | 38 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.