Alert archive / Florida / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 21, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Apr 30, 2020, 1:42 PM EDT for Broward County, Miami-Dade County, Florida. It was in force for 48 min. 16 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 30, 2020, 1:42 PM EDT (17:42 UTC)
- Expired
- Apr 30, 2020, 2:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Broward County, FL, Miami-Dade County, FL
The radar
The Miami radar (KAMX), 30 km from the middle of the area, began a volume at 17:44 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 30, 1:48 PM EDT | TSTM WND GST 47 | 3 Ese Miramar, FL | MESONET STATION XFLM FLAMINGO. |
| Apr 30, 1:55 PM EDT | TSTM WND GST 44 | Miami Internationa, FL | ASOS STATION KMIA MIAMI. |
| Apr 30, 1:55 PM EDT | TSTM WND GST 66 | 1 Ese Miami Internation, FL | MIAMI INTERNATIONAL AIRPORT-SOUTH TERMINAL ON EARTHNETWORKS |
| Apr 30, 1:55 PM EDT | TSTM WND GST 66 | 1 Ese Miami Internation, FL | MIAMI INTERNATIONAL AIRPORT-SOUTH TERMINAL ON EARTHNETWORKS. |
| Apr 30, 2:00 PM EDT | TSTM WND DMG | 2 S Liberty City, FL | SOCIAL MEDIA INDICATES LARGE, ROD-SUPPORTED, OUTDOORS SHELTER UNIT FLIPPED OVER AND DAMAGED IN BACKYARD OF A MEMBER OF THE PUBLIC NEAR INTERSECTION OF NORTHWEST 24TH STREET AND NORTHWEST 17TH AVENUE. |
| Apr 30, 2:00 PM EDT | TSTM WND GST 43 | 1 Ssw Coral Gables, FL | MESONET STATION 0081W 1.0 SW CORAL GABLES (WEATHERSTEM). |
| Apr 30, 2:03 PM EDT | TSTM WND DMG | 1 Nnw Hialeah, FL | DELAYED REPORT. LARGE TREE LIMB SNAPPED AND RESTING OVER ADJACENT FENCE, IN ASSOCIATION WITH THUNDERSTORMS THAT MOVED THROUGH THE HIALEAH AREA YESTERDAY. REPORT RECEIVED VIA SOCIAL MEDIA. |
| Apr 30, 2:05 PM EDT | TSTM WND DMG | 1 Wnw Liberty City, FL | DELAYED REPORT. PATIO-AREA TALL METAL ENCLOSURE, ASSOCIATED COVERING, AND ANCILLARY ITEMS TOPPLED AND DAMAGED IN ASSOCIATION WITH A CLUSTER OF SEVERE THUNDERSTORMS THAT MOVED THROUGH THE MIAMI AREA YESTERDAY. LOCATION IS NEAR INTERSECTION OF NW 64TH STREET AND |
| Apr 30, 2:10 PM EDT | TSTM WND GST 60 | 1 Ene Miami, FL | NATIONAL WEATHER SERVICE METEOROLOGIST ESTIMATES WINDS AT LEAST 60 MPH ON BISCAYNE BOULEVARD ACROSS THE STREET FROM AMERICAN AIRLINES ARENA. |
| Apr 30, 2:10 PM EDT | TSTM WND GST 60 | 1 Ne Miami, FL | NATIONAL WEATHER SERVICE STORM SURVEY REVEALS SPORADIC, GENERALLY MINOR DAMAGE AROUND BISCAYNE BOULEVARD NEAR AMERICAN AIRLINES ARENA FROM THUNDERSTORMS. THIS INCLUDES AN ELECTRONIC ROADSIDE BILLBOARD BLOWN OVER, WITH ANCILLARY ITEMS PREVIOUSLY SCATTERED ABOUT |
| Apr 30, 2:10 PM EDT | TSTM WND GST 60 | 1 Nne Miami, FL | UPDATED: NATIONAL WEATHER SERVICE STORM SURVEY REVEALS SPORADIC, GENERALLY MINOR WIND DAMAGE AROUND BISCAYNE BOULEVARD NEAR AMERICAN AIRLINES ARENA FROM THUNDERSTORMS. THIS INCLUDES AN ELECTRONIC ROADSIDE BILLBOARD BLOWN OVER, WITH ANCILLARY ITEMS PREVIOUSLY S |
| Apr 30, 2:10 PM EDT | TSTM WND GST 62 | 1 Nne Miami, FL | MEASURED THUNDERSTORM WIND GUST OF 62 MPH AT FROST MUSEUM IN DOWNTOWN MIAMI, IN PROXIMITY TO AMERICAN AIRLINES ARENA, WITH EARLIER SEVERE THUNDERSTORMS THAT CROSSED MIAMI. THE INSTRUMENT IS ELEVATED ON TOP OF THE BUILDING, AROUND 60 TO 70 FEET ABOVE GROUND LEV |
| Apr 30, 2:10 PM EDT | TSTM WND GST 62 | 1 Nne Miami, FL | UPDATES PREVIOUS TSTM WND GST REPORT FROM 1 NNE MIAMI. MEASURED THUNDERSTORM WIND GUST OF 62 MPH AT FROST MUSEUM IN DOWNTOWN MIAMI, IN PROXIMITY TO AMERICAN AIRLINES ARENA, WITH EARLIER SEVERE THUNDERSTORMS THAT CROSSED MIAMI. THE INSTRUMENT IS ELEVATED ON TOP |
| Apr 30, 2:13 PM EDT | TSTM WND DMG | 1 Ene Miami, FL | ROADSIDE-DISPLAY UNIT AND ANCILLARY ITEMS BLOWN OVER AND DISAGGREGATED ON BISCAYNE BOULEVARD ACROSS THE STREET FROM AMERICAN AIRLINES ARENA. |
| Apr 30, 2:13 PM EDT | MARINE TSTM WIND 44 | 2 S Miami Beach, FL | CITY OF MIAMI BEACH ON EARTHNETWORKS |
| Apr 30, 2:13 PM EDT | MARINE TSTM WIND 44 | 2 S Miami Beach, FL | CITY OF MIAMI BEACH ON EARTHNETWORKS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 5.7 hours before the alert went out and 17 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
- 957 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1010 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.5
The text
As transmitted.
121
WUUS52 KMFL 301742
SVRMFL
FLC011-086-301830-
/O.NEW.KMFL.SV.W.0021.200430T1742Z-200430T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
142 PM EDT Thu Apr 30 2020
The National Weather Service in Miami has issued a
* Severe Thunderstorm Warning for...
Northern Miami-Dade County in southeastern Florida...
Southern Broward County in southeastern Florida...
* Until 230 PM EDT.
* At 142 PM EDT, severe thunderstorms were located along a line
extending from near Intersection Krome And U.S. 27 to near Tamiami
to The Redland, moving east at 35 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Miami, Hialeah, Pembroke Pines, Hollywood and Miramar.
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. You can also share your report with NWS Miami on
Facebook and Twitter.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2585 8003 2584 8004 2564 8008 2560 8013
2553 8009 2545 8012 2551 8039 2577 8033
2598 8038 2605 8004
TIME...MOT...LOC 1742Z 283DEG 29KT 2602 8045 2579 8041 2553 8050
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
$$
MM2 follow-up statements
932
WWUS52 KMFL 301807
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
207 PM EDT Thu Apr 30 2020
FLC011-086-301830-
/O.CON.KMFL.SV.W.0021.000000T0000Z-200430T1830Z/
Miami-Dade FL-Broward FL-
207 PM EDT Thu Apr 30 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR NORTHERN MIAMI-DADE AND SOUTHERN BROWARD COUNTIES...
At 207 PM EDT, severe thunderstorms were located along a line
extending from Miramar Parkway And University Drive to Coconut Grove
to near Black Point, moving east at 20 mph. Winds in excess of 60
mph are ongoing.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...National Weather Service Employee.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Miami, Hialeah, Pembroke Pines, Hollywood and Miramar.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Miami. You can also share your report with NWS Miami on Facebook and
Twitter.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2585 8003 2584 8004 2564 8008 2560 8013
2553 8009 2545 8012 2551 8039 2577 8033
2598 8038 2605 8004
TIME...MOT...LOC 1807Z 266DEG 19KT 2598 8027 2575 8023 2549 8032
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
$$
MM245
WWUS52 KMFL 301830
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
230 PM EDT Thu Apr 30 2020
FLC011-086-301840-
/O.EXP.KMFL.SV.W.0021.000000T0000Z-200430T1830Z/
Miami-Dade FL-Broward FL-
230 PM EDT Thu Apr 30 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MIAMI-DADE AND
SOUTHERN BROWARD COUNTIES HAS EXPIRED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been allowed to expire. However gusty
winds and heavy rain are still possible with heavy showers moving
through the area.
LAT...LON 2585 8003 2584 8004 2564 8008 2560 8013
2553 8009 2545 8012 2551 8039 2577 8033
2598 8038 2605 8004
TIME...MOT...LOC 1830Z 283DEG 29KT 2598 8027 2575 8023 2549 8032
$$
BAXTERThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 7:25 AM EDT | Special Marine Warning | MFL | 65 min | |
| Apr 30, 7:48 AM EDT | Special Weather Statement | MFL | Collier | 57 min |
| Apr 30, 8:22 AM EDT | Special Marine Warning | MFL | 68 min | |
| Apr 30, 8:34 AM EDT | Special Weather Statement | MFL | Collier, Glades, Hendry | 56 min |
| Apr 30, 8:59 AM EDT | Special Marine Warning | MFL | 61 min | |
| Apr 30, 9:17 AM EDT | Special Weather Statement | MFL | Hendry, Palm Beach | 88 min |
| Apr 30, 9:40 AM EDT | Special Marine Warning | MFL | 95 min | |
| Apr 30, 9:57 AM EDT | Special Marine Warning | MFL | 33 min | |
| Apr 30, 10:03 AM EDT | Special Weather Statement | MFL | Palm Beach | 72 min |
| Apr 30, 10:26 AM EDT | Special Marine Warning | MFL | 94 min | |
| Apr 30, 10:39 AM EDT | Special Marine Warning | MFL | 96 min | |
| Apr 30, 11:14 AM EDT | Special Weather Statement | MFL | Collier | 46 min |
| Apr 30, 11:50 AM EDT | Special Weather Statement | MFL | Collier | 40 min |
| Apr 30, 12:01 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Collier, Hendry | 17 min |
| Apr 30, 12:05 PM EDT | Special Marine Warning | MFL | 55 min | |
| Apr 30, 12:09 PM EDT | Special Weather Statement | MFL | Collier | 51 min |
| Apr 30, 12:13 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 32 min |
| Apr 30, 12:38 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 67 min |
| Apr 30, 12:43 PM EDT | Special Weather Statement | MFL | Broward | 47 min |
| Apr 30, 12:45 PM EDT | Special Marine Warning | MFL | 60 min | |
| Apr 30, 1:01 PM EDT | Special Weather Statement | MFL | Miami-Dade, Monroe | 44 min |
| Apr 30, 1:20 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 55 min |
| Apr 30, 1:22 PM EDT | Special Marine Warning | MFL | 83 min | |
| Apr 30, 1:37 PM EDT | Special Weather Statement | MFL | Broward | 53 min |
| Apr 30, 1:43 PM EDT | Special Marine Warning | MFL | 62 min | |
| Apr 30, 1:48 PM EDT | Special Marine Warning | MFL | 87 min | |
| Apr 30, 2:00 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 29 min |
| Apr 30, 2:28 PM EDT | Special Marine Warning | MFL | 92 min | |
| Apr 30, 3:08 PM EDT | Special Weather Statement | MFL | Monroe | 52 min |
| Apr 30, 3:18 PM EDT | Special Marine Warning | MFL | 42 min | |
| Apr 30, 3:50 PM EDT | Special Weather Statement | MFL | Miami-Dade | 40 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2020Every severe thunderstorm warning in 2020
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.