Alert archive / Florida / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 21, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Apr 15, 2016, 5:54 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 66 min. 12 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
- Apr 15, 2016, 5:54 PM EDT (21:54 UTC)
- Expired
- Apr 15, 2016, 7:00 PM EDT
- In force
- 66 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Broward County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 95 km from the middle of the area, began a volume at 21:53 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 |
|---|---|---|---|
| Apr 15, 5:57 PM EDT | HAIL 1 | 1 Sse Lake Worth, FL | A TRAINED SPOTTER CALLED TO REPORT QUARTER INCH SIZE HAIL IN LAKE WORTH AT 557PM |
| Apr 15, 6:05 PM EDT | HAIL 2 | 1 Wnw Hypoluxo, FL | VIDEO OBTAINED VIA BROADCAST MEDIA OF HAIL SLIGHTLY LARGER THAN GOLF BALL SIZE IN LANTANA NEAR FEDERAL HIGHWAY AND HYPOLUXO ROAD. |
| Apr 15, 6:11 PM EDT | HAIL 1 | 1 N Boynton Beach, FL | A TRAINED SPOTTER CALLED TO REPORT QUARTER INCH HAIL IN BOYNTON BEACH AT 611PM |
| Apr 15, 6:13 PM EDT | HAIL 0.88 | 1 Nw Boynton Beach, FL | A TRAINED SPOTTER CALLED TO REPORT NICKEL SIZE HAIL WEST OF BOYNTON BEACH MALL AT 613PM |
| Apr 15, 6:15 PM EDT | HAIL 1 | 1 Ene Boynton Beach, FL | QUARTER SIZE HAIL REPORTED... ALONG WITH LARGE TREE LIMBS BROKEN OFF BY STRONG WIND ESTIMATED AT LEAST 50 MPH. |
| Apr 15, 6:20 PM EDT | HAIL 0.5 | 2 N Delray Beach, FL | REPORTED AT CONGRESS AVENUE AND SUMMIT DRIVE |
| Apr 15, 6:20 PM EDT | HAIL 1.75 | 3 Wsw Boynton Beach, FL | A TRAINED SPOTTER REPORTED VIA TWITTER GOLF BALL SIZE HAIL IN WEST BOYNTON BEACH AT 620PM |
| Apr 15, 6:24 PM EDT | HAIL 0.88 | 1 Sw Ocean Ridge, FL | NICKEL SIZE HAIL REPORTED AT WOOLBRIGHT ROAD AND SEACREST BLVD |
| Apr 15, 6:25 PM EDT | HAIL 1.25 | 5 W Delray Beach, FL | A TRAINED SPOTTER CALLED TO REPORT HALF DOLLAR SIZE HAIL IN WEST DELRAY BEACH AT 625PM |
| Apr 15, 6:29 PM EDT | HAIL 0.75 | Boynton Beach, FL | REPORTED AT CONGRESS AVENUE AND BOYNTON BEACH BLVD |
| Apr 15, 6:53 PM EDT | TSTM WND GST 49 | 1 Ese Pompano Beach Air, FL | NORTH WIND OF 49 MPH MEASURED AT POMPANO BEACH AIRPARK. SUSTAINED WIND 31 MPH. |
| Apr 15, 6:53 PM EDT | TSTM WND GST 50 | 1 Ese Pompano Beach Air, FL | NORTH WIND OF 50 MPH MEASURED AT POMPANO BEACH AIRPARK. SUSTAINED WIND 31 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 15, 3:14 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 9.9 hours before the alert went out and 70 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
- 785 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 856 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted.
449
WUUS52 KMFL 152154
SVRMFL
FLC011-099-152300-
/O.NEW.KMFL.SV.W.0021.160415T2154Z-160415T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
554 PM EDT FRI APR 15 2016
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN BROWARD COUNTY IN SOUTHEASTERN FLORIDA...
SOUTHERN PALM BEACH COUNTY IN SOUTHEASTERN FLORIDA...
* UNTIL 700 PM EDT
* AT 553 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM PALM BEACH TO 6 MILES SOUTHEAST OF HOLEY LAND
WILDLIFE REFUGE...MOVING EAST SOUTHEAST AT 25 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
FORT LAUDERDALE...CORAL SPRINGS...WEST PALM BEACH...POMPANO BEACH AND
BOCA RATON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN MIAMI.
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 2671 8003 2624 8003 2620 8010 2637 8086
TIME...MOT...LOC 2153Z 270DEG 24KT 2664 8000 2637 8066
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
BAXTER2 follow-up statements
840
WWUS52 KMFL 152207
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
607 PM EDT FRI APR 15 2016
FLC011-099-152300-
/O.CON.KMFL.SV.W.0021.000000T0000Z-160415T2300Z/
BROWARD FL-PALM BEACH FL-
607 PM EDT FRI APR 15 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHEASTERN BROWARD AND SOUTHERN PALM BEACH COUNTIES...
AT 605 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ...MOVING EAST AT 30 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...SEVERAL TRAINED WEATHER SPOTTERS HAVE REPORTED HAIL UP TO
QUARTER SIZED IN LAKE WORTH, LANTANA, AND BOYNTON BEACH.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT WIND
AND HAIL DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES.
LOCATIONS IMPACTED INCLUDE...
FORT LAUDERDALE...CORAL SPRINGS...WEST PALM BEACH...POMPANO BEACH AND
BOCA RATON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
THESE STORMS ARE PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
MIAMI.
&&
LAT...LON 2671 8003 2624 8003 2620 8010 2637 8086
TIME...MOT...LOC 2205Z 270DEG 24KT 2664 7991 2637 8057
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
ALM193
WWUS52 KMFL 152232
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
632 PM EDT FRI APR 15 2016
FLC011-099-152300-
/O.CON.KMFL.SV.W.0021.000000T0000Z-160415T2300Z/
BROWARD FL-PALM BEACH FL-
632 PM EDT FRI APR 15 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHEASTERN BROWARD AND SOUTHERN PALM BEACH COUNTIES...
AT 630 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ...MOVING SOUTHWEST AT 15 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...NUMEROUS REPORTS OF QUARTER SIZED HAIL HAVE BEEN RECEIVED
ACROSS SOUTHERN PALM BEACH COUNTY WITH HAIL UP TO HALF
DOLLAR SIZE REPORTED IN DELRAY BEACH.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT WIND AND
HAIL DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES.
LOCATIONS IMPACTED INCLUDE...
FORT LAUDERDALE...CORAL SPRINGS...WEST PALM BEACH...POMPANO BEACH AND
BOCA RATON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
THESE STORMS ARE PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
MIAMI.
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 2671 8003 2624 8003 2620 8010 2637 8086
TIME...MOT...LOC 2230Z 026DEG 11KT 2650 8006 2637 8054
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
ALMThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 8:00 PM EDT | Special Marine Warning | MFL | 45 min | |
| Apr 14, 8:15 PM EDT | Special Weather Statement | MFL | Hendry | 45 min |
| Apr 14, 8:52 PM EDT | Special Marine Warning | MFL | 38 min | |
| Apr 14, 9:28 PM EDT | Special Marine Warning | MFL | 32 min | |
| Apr 15, 4:28 PM EDT | Special Marine Warning | MFL | 47 min | |
| Apr 15, 4:36 PM EDT | Special Weather Statement | MFL | Palm Beach | 54 min |
| Apr 15, 4:51 PM EDT | Special Marine Warning | MFL | 24 min | |
| Apr 15, 4:51 PM EDT | Special Weather Statement | MFL | Martin | 39 min |
| Apr 15, 4:56 PM EDT | Special Weather Statement | MFL | Hendry | 49 min |
| Apr 15, 5:01 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 29 min |
| Apr 15, 5:06 PM EDT | Special Marine Warning | MFL | 54 min | |
| Apr 15, 5:23 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 37 min |
| Apr 15, 5:48 PM EDT | Special Weather Statement | MFL | Broward | 57 min |
| Apr 15, 5:57 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Apr 15, 6:12 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 2 hr |
| Apr 15, 6:43 PM EDT | Special Weather Statement | MFL | Broward, Miami-Dade | 62 min |
| Apr 15, 6:56 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade, Palm Beach | 49 min |
| Apr 15, 7:11 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Apr 15, 7:23 PM EDT | Areal Flood Advisory | MFL | Broward | 112 min |
| Apr 15, 7:45 PM EDT | Special Weather Statement | MFL | Miami-Dade | 60 min |
| Apr 15, 7:51 PM EDT | Areal Flood Advisory | MFL | Broward, Miami-Dade | 114 min |
| Apr 15, 7:59 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 46 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2016Every severe thunderstorm warning in 2016
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.