Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 15, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 10, 2012, 4:03 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 42 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 10, 2012, 4:03 PM EDT (20:03 UTC)
- Expired
- May 10, 2012, 4:45 PM EDT
- In force
- 42 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 20:06 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, 8.1 hours before the alert went out and 69 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
- 1025 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 728 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
048 WUUS52 KMFL 102003 SVRMFL FLC011-099-102045- /O.NEW.KMFL.SV.W.0015.120510T2003Z-120510T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 403 PM EDT THU MAY 10 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL BROWARD COUNTY IN SOUTH FLORIDA. SOUTHERN PALM BEACH COUNTY IN SOUTH FLORIDA. * UNTIL 445 PM EDT * AT 402 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 20 MILES WEST OF LOXAHATCHEE NATIONAL WILDLIFE REFUGE...AND MOVING SOUTHEAST AT 25 MPH. * THE STORM WILL AFFECT... LOXAHATCHEE NATIONAL WILDLIFE REFUGE... AND SURROUNDING COMMUNITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 2644 8011 2612 8046 2646 8071 2669 8054 TIME...MOT...LOC 2003Z 311DEG 22KT 2646 8055 $$ AK
2 follow-up statements
100 WWUS52 KMFL 102012 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 412 PM EDT THU MAY 10 2012 FLC011-099-102045- /O.CON.KMFL.SV.W.0015.000000T0000Z-120510T2045Z/ BROWARD FL-PALM BEACH FL- 412 PM EDT THU MAY 10 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR SOUTH CENTRAL PALM BEACH AND NORTH CENTRAL BROWARD COUNTIES... AT 406 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 19 MILES NORTH OF INTERSECTION I-75 AND U.S. 27...MOVING SOUTHEAST AT 35 MPH. SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 58 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS SPOTTED. LAT...LON 2644 8070 2661 8041 2644 8011 2612 8046 TIME...MOT...LOC 2011Z 315DEG 28KT 2638 8050 $$ AK
268 WWUS52 KMFL 102019 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 419 PM EDT THU MAY 10 2012 FLC011-099-102045- /O.CON.KMFL.SV.W.0015.000000T0000Z-120510T2045Z/ BROWARD FL-PALM BEACH FL- 419 PM EDT THU MAY 10 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR SOUTH CENTRAL PALM BEACH AND NORTH CENTRAL BROWARD COUNTIES... AT 416 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 12 MILES WEST OF SOUTH COUNTY REGIONAL PARK...MOVING SOUTHEAST AT 35 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. SEVERE THUNDERSTORMS CAN ALSO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS SPOTTED. LAT...LON 2643 8057 2657 8038 2641 8014 2612 8046 TIME...MOT...LOC 2019Z 309DEG 28KT 2639 8040 $$ AK
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 2:22 PM EDT | Special Weather Statement | MFL | Hendry | 38 min |
| May 10, 2:34 PM EDT | Special Marine Warning | MFL | 56 min | |
| May 10, 2:59 PM EDT | Special Weather Statement | MFL | Hendry | 31 min |
| May 10, 3:19 PM EDT | Special Weather Statement | MFL | Broward | 41 min |
| May 10, 3:22 PM EDT | Special Marine Warning | MFL | 38 min | |
| May 10, 3:29 PM EDT | Special Weather Statement | MFL | Palm Beach | 31 min |
| May 10, 3:30 PM EDT | Special Weather Statement | MFL | Palm Beach | 45 min |
| May 10, 3:36 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 39 min |
| May 10, 4:02 PM EDT | Special Weather Statement | MFL | Broward | 43 min |
| May 10, 4:11 PM EDT | Special Marine Warning | MFL | 64 min | |
| May 10, 4:33 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 22 min |
| May 10, 4:35 PM EDT | Special Marine Warning | MFL | 55 min | |
| May 10, 5:30 PM EDT | Special Marine Warning | MFL | 60 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.