Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 25, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 15, 2012, 5:15 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 43 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 15, 2012, 5:15 PM EDT (21:15 UTC)
- Expired
- May 15, 2012, 5:58 PM EDT
- In force
- 43 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
Counties Broward County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 93 km from the middle of the area, began a volume at 21:16 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 75 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
- 1962 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 616 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
053 WUUS52 KMFL 152115 SVRMFL FLC011-099-152200- /O.NEW.KMFL.SV.W.0025.120515T2115Z-120515T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 515 PM EDT TUE MAY 15 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME NORTH CENTRAL BROWARD COUNTY IN SOUTH FLORIDA. SOUTH CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA. * UNTIL 600 PM EDT * AT 512 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 OVER EXTREME SOUTH CENTRAL PALM BEACH COUNTY...AND MOVING NORTH AT 10 MPH. * THE STORM WILL AFFECT... RURAL SOUTHERN PALM BEACH 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 2651 8069 2644 8047 2630 8062 2633 8071 TIME...MOT...LOC 2115Z 196DEG 7KT 2634 8062 $$ MJB
2 follow-up statements
850 WWUS52 KMFL 152138 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 538 PM EDT TUE MAY 15 2012 FLC011-152148- /O.CAN.KMFL.SV.W.0025.000000T0000Z-120515T2200Z/ BROWARD FL- 538 PM EDT TUE MAY 15 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTH CENTRAL BROWARD COUNTY IS CANCELLED... LAT...LON 2651 8069 2644 8047 2634 8059 2635 8071 TIME...MOT...LOC 2138Z 196DEG 7KT 2638 8061 $$ FLC099-152200- /O.CON.KMFL.SV.W.0025.000000T0000Z-120515T2200Z/ PALM BEACH FL- 538 PM EDT TUE MAY 15 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR SOUTH CENTRAL PALM BEACH COUNTY... AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER SOUTH CENTRAL PALM BEACH COUNTY...MOVING NORTH AT 10 MPH. SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 58 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 2651 8069 2644 8047 2634 8059 2635 8071 TIME...MOT...LOC 2138Z 196DEG 7KT 2638 8061 $$ MJB
987 WWUS52 KMFL 152158 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 558 PM EDT TUE MAY 15 2012 FLC099-152205- /O.CAN.KMFL.SV.W.0025.000000T0000Z-120515T2200Z/ PALM BEACH FL- 558 PM EDT TUE MAY 15 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PALM BEACH COUNTY IS CANCELLED... NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS DISSIPATED. THUS THE THUNDERSTORM WARNING HAS BEEN CANCELLED. HOWEVER, STRONG WINDS TO 45 MPH AND DIME SIZE HAIL ARE STILL POSSIBLE WITH THIS STORM. LAT...LON 2651 8069 2644 8047 2634 8059 2635 8071 TIME...MOT...LOC 2155Z 196DEG 7KT 2641 8060 $$ MJB
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 2:56 PM EDT | Special Weather Statement | MFL | Martin | 34 min |
| May 15, 3:05 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 40 min |
| May 15, 3:06 PM EDT | Special Weather Statement | MFL | Glades | 24 min |
| May 15, 3:09 PM EDT | Severe Thunderstorm Warning | MFL | Glades | 36 min |
| May 15, 3:30 PM EDT | Special Weather Statement | MFL | Hendry | 30 min |
| May 15, 3:38 PM EDT | Special Weather Statement | MFL | Hendry | 52 min |
| May 15, 3:44 PM EDT | Special Weather Statement | MFL | Martin | 46 min |
| May 15, 3:53 PM EDT | Special Weather Statement | MFL | Monroe | 37 min |
| May 15, 4:19 PM EDT | Special Weather Statement | MFL | Hendry | 26 min |
| May 15, 4:24 PM EDT | Special Weather Statement | MFL | Palm Beach | 36 min |
| May 15, 4:37 PM EDT | Special Weather Statement | MFL | Hendry | 23 min |
| May 15, 4:45 PM EDT | Special Weather Statement | MFL | Hendry | 30 min |
| May 15, 4:54 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| May 15, 4:58 PM EDT | Special Weather Statement | MFL | Broward | 47 min |
| May 15, 5:03 PM EDT | Special Weather Statement | MFL | Broward | 42 min |
| May 15, 5:06 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 24 min |
| May 15, 5:33 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 42 min |
| May 15, 5:53 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 24 min |
| May 15, 6:00 PM EDT | Special Marine Warning | MFL | 45 min | |
| May 15, 6:05 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 115 min |
| May 15, 6:38 PM EDT | Special Marine Warning | MFL | 52 min | |
| May 15, 7:30 PM EDT | Special Marine Warning | MFL | 60 min | |
| May 15, 7:30 PM EDT | Special Marine Warning | MFL | 60 min | |
| May 15, 7:53 PM EDT | Special Weather Statement | MFL | Broward | 52 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.