Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 18, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 14, 2012, 3:50 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 25 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, 3:50 PM EDT (19:50 UTC)
- Expired
- May 14, 2012, 4:15 PM EDT
- In force
- 25 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
Counties Broward County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 75 km from the middle of the area, began a volume at 19:49 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, 7.8 hours before the alert went out and 54 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.
864 WUUS52 KMFL 141950 SVRMFL FLC011-099-142015- /O.NEW.KMFL.SV.W.0018.120514T1950Z-120514T2015Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 350 PM EDT MON MAY 14 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWEST BROWARD COUNTY IN SOUTH FLORIDA. SOUTHWEST PALM BEACH COUNTY IN SOUTH FLORIDA. * UNTIL 415 PM EDT * AT 345 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 OVER NORTH CENTRAL BROWARD COUNTY...AND MOVING SOUTHEAST AT 5 MPH. * THE STORM WILL AFFECT... US 27 RURAL NORTHERN BROWARD COUNTY 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 2631 8029 2614 8045 2628 8062 2638 8051 TIME...MOT...LOC 1950Z 298DEG 6KT 2629 8049 $$ GARCIA
1 follow-up statement
054 WWUS52 KMFL 142003 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 403 PM EDT MON MAY 14 2012 FLC011-099-142015- /O.CON.KMFL.SV.W.0018.000000T0000Z-120514T2015Z/ BROWARD FL-PALM BEACH FL- 403 PM EDT MON MAY 14 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR EXTREME SOUTHWEST PALM BEACH AND NORTHWEST BROWARD COUNTIES... AT 401 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER NORTHWEST BROWARD COUNTY ALONG US 27...MOVING SOUTHEAST AT 10 MPH. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305.229.4528 TO REPORT SEVERE WEATHER. LAT...LON 2627 8055 2635 8048 2631 8029 2614 8045 TIME...MOT...LOC 2002Z 308DEG 8KT 2626 8046 $$ 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, 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, 5:16 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 29 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.