Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 30, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 18, 2012, 1:52 PM EDT for Miami-Dade County, Florida. It was in force for 38 min. 18 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
- May 18, 2012, 1:52 PM EDT (17:52 UTC)
- Expired
- May 18, 2012, 2:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 23 km from the middle of the area, began a volume at 17:52 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 |
|---|---|---|---|
| May 18, 2:00 PM EDT | TSTM WND DMG | 4 Nnw Kendale Lakes, FL | LARGE TREE BRANCHES BROKEN OFF NEAR SW 8TH STREET AND SW 147TH AVE. |
| May 18, 2:10 PM EDT | TSTM WND DMG | 2 Wsw Doral, FL | TREES DOWNED NEAR THE INTERSECTION OF NW 64TH STREET AND NW 114TH AVENUE. |
| May 18, 2:10 PM EDT | TSTM WND DMG | 3 W Sweetwater, FL | TREE DOWNED NEAR THE INTERSECTION OF SW 8TH STREET AND SW 139TH AVE. |
| May 18, 2:13 PM EDT | HAIL 0.75 | 2 Wsw Doral, FL | PENNY SIZED HAIL WAS REPORTED AT EUGENIA B. THOMAS SCHOOL IN DORAL. |
| May 18, 2:13 PM EDT | HAIL 0.75 | Doral, FL | PENNY SIZED HAIL WAS REPORTED AT EUGENIA B THOMAS SCHOOL AT DORAL. |
| May 18, 2:15 PM EDT | TSTM WND DMG | Doral, FL | TREES DOWN AND WINDOW SCREENS BLOWN OUT IN BALMORAL ESTATES AND DORAL ISLES IN DORAL. WINDS ESTIMATED 60 TO 70 MPH. |
| May 18, 2:15 PM EDT | TSTM WND GST 60 | Doral, FL | PUBLIC ESTIMATED WIND GUSTS TO 60 MPH IN DORAL. |
| May 18, 2:15 PM EDT | TSTM WND GST 70 | 6 Wsw Hialeah, FL | A MEMBER OF THE PUBLIC ESTIMATED WIND SPEEDS UP TO 70 MPH NEAR THE INTERSECTION OF NW 58TH STREET AND NW 107TH AVE. IN DORAL |
| May 18, 2:15 PM EDT | TSTM WND GST 70 | Doral, FL | A MEMBER OF THE PUBLIC ESTIMATED WIND SPEEDS UP TO 70 MPH. |
| May 18, 2:15 PM EDT | HAIL 1.25 | 2 Ssw Doral, FL | HAIL SLIGHTLY LARGER THAN A QUARTER WAS REPORTED NEAR NW 41ST AND 107TH AVE IN DORAL |
| May 18, 2:15 PM EDT | HAIL 1.25 | Doral, FL | HAIL SLIGHTLY LARGER THAN A QUARTER WAS REPORTED NEAR NW 41ST AND 107TH AVE AT DORAL. |
| May 18, 2:17 PM EDT | TSTM WND DMG | 2 Wsw Doral, FL | AT LEAST TWO TREES SNAPPED NEAR THE EUGENIA B. THOMAS SCHOOL. |
| May 18, 2:17 PM EDT | HAIL 1 | Doral, FL | QUARTER SIZED HAIL WAS REPORTED NEAR NW 41 AND NW 58TH STREETS |
| May 18, 2:20 PM EDT | TSTM WND DMG | 2 Sw Doral, FL | LARGE TREE DOWNED NEAR 44TH STREET AND 113TH TERRACE IN DORAL. |
| May 18, 2:20 PM EDT | TSTM WND DMG | 4 Wsw Hialeah, FL | LARGE TREE UPROOTED AND LIGHTPOLE DOWNED NEAR THE INTERSECTION OF NW 58TH STREET AND 95TH AVE. |
| May 18, 2:20 PM EDT | TSTM WND DMG | 5 Wsw Hialeah, FL | AN OFF DUTY NWS EMPLOYEE REPORTED A LARGE TREE DOWN ON NORTHWEST 58TH ST IN DORAL BETWEEN NORTHWEST 102 AVE AND NORTHWEST 107 AVE. |
| May 18, 2:20 PM EDT | TSTM WND DMG | Doral, FL | AN OFF DUTY NWS EMPLOYEE REPORTED A LARGE TREE DOWN ON NORTHWEST 58TH ST IN DORAL BETWEEN NORTHWEST 102 AVE AND NORTHWEST 107 AVE. |
| May 18, 2:20 PM EDT | HAIL 1 | 4 Ssw Hialeah, FL | QUARTER SIZE HAIL REPORTED NEAR THE INTERSECTION OF PALMETTO EXPRESSWAY AND DORAL BLVD. |
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, 5.9 hours before the alert went out and 12 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
- 1355 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
734
WUUS52 KMFL 181752
SVRMFL
FLC086-181830-
/O.NEW.KMFL.SV.W.0030.120518T1752Z-120518T1830Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
152 PM EDT FRI MAY 18 2012
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL MIAMI-DADE COUNTY IN SOUTH FLORIDA.
* UNTIL 230 PM EDT
* AT 147 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 NEAR
THE HAMMOCKS...AND MOVING EAST AT 20 MPH.
* THE STORM WILL AFFECT...
THE HAMMOCKS...
WEST KENDALL...
SWEETWATER...
KENDALL...
SOUTH MIAMI...
UNIVERSITY OF MIAMI...
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 2580 8011 2573 8014 2567 8015 2566 8016
2568 8018 2574 8017 2574 8020 2572 8024
2565 8026 2560 8030 2552 8057 2575 8060
2593 8012 2591 8010
TIME...MOT...LOC 1751Z 251DEG 16KT 2567 8042
$$
MJBThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 8:02 PM EDT | Special Weather Statement | MFL | Palm Beach | 28 min |
| May 17, 8:52 PM EDT | Special Weather Statement | MFL | Palm Beach | 38 min |
| May 17, 9:14 PM EDT | Special Marine Warning | MFL | 61 min | |
| May 17, 9:20 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 76 min |
| May 17, 9:30 PM EDT | Special Weather Statement | MFL | Palm Beach | 30 min |
| May 18, 1:16 PM EDT | Special Weather Statement | MFL | Broward | 29 min |
| May 18, 1:26 PM EDT | Special Weather Statement | MFL | Miami-Dade | 49 min |
| May 18, 1:29 PM EDT | Special Marine Warning | MFL | 61 min | |
| May 18, 1:45 PM EDT | Special Marine Warning | MFL | 60 min | |
| May 18, 1:46 PM EDT | Special Weather Statement | MFL | Palm Beach | 29 min |
| May 18, 1:49 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 26 min |
| May 18, 2:07 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 23 min |
| May 18, 2:08 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 37 min |
| May 18, 2:18 PM EDT | Special Weather Statement | MFL | Palm Beach | 12 min |
| May 18, 2:25 PM EDT | Special Marine Warning | MFL | 95 min | |
| May 18, 2:28 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 26 min |
| May 18, 2:36 PM EDT | Special Marine Warning | MFL | 54 min | |
| May 18, 2:40 PM EDT | Special Weather Statement | MFL | Miami-Dade | 35 min |
| May 18, 2:44 PM EDT | Special Weather Statement | MFL | Broward | 46 min |
| May 18, 2:53 PM EDT | Special Weather Statement | MFL | Broward | 37 min |
| May 18, 3:23 PM EDT | Areal Flood Advisory | MFL | Broward | 112 min |
| May 18, 3:28 PM EDT | Special Weather Statement | MFL | Broward | 32 min |
| May 18, 3:33 PM EDT | Special Marine Warning | MFL | 87 min | |
| May 18, 3:39 PM EDT | Special Weather Statement | MFL | Broward | 51 min |
| May 18, 3:43 PM EDT | Special Weather Statement | MFL | Palm Beach | 47 min |
| May 18, 3:58 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 18 min |
| May 18, 4:05 PM EDT | Special Weather Statement | MFL | Hendry | 40 min |
| May 18, 4:14 PM EDT | Special Marine Warning | MFL | 91 min | |
| May 18, 4:14 PM EDT | Severe Thunderstorm Warning | MFL | Hendry, Palm Beach | 46 min |
| May 18, 4:18 PM EDT | Special Weather Statement | MFL | Broward | 42 min |
| May 18, 4:39 PM EDT | Special Marine Warning | MFL | 81 min | |
| May 18, 5:02 PM EDT | Special Weather Statement | MFL | Miami-Dade | 28 min |
| May 18, 5:09 PM EDT | Special Marine Warning | MFL | 81 min | |
| May 18, 5:32 PM EDT | Special Weather Statement | MFL | Hendry | 28 min |
| May 18, 5:58 PM EDT | Special Marine Warning | MFL | 62 min | |
| May 18, 6:17 PM EDT | Special Marine Warning | MFL | 58 min | |
| May 18, 6:31 PM EDT | Special Weather Statement | MFL | Miami-Dade | 29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.