Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 37, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at May 19, 2012, 2:52 PM EDT for Martin County, Florida. It was in force for 38 min. 3 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 19, 2012, 2:52 PM EDT (18:52 UTC)
- Expired
- May 19, 2012, 3:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
County Martin County, FL
The radar
The Melbourne radar (KMLB), 110 km from the middle of the area, began a volume at 18:55 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 19, 3:20 PM EDT | HAIL 1 | 6 Ssw Palm City, FL | LASTED FOR ABOUT 15 MINUTES |
| May 19, 3:30 PM EDT | FUNNEL CLOUD | 4 Wsw Palm City, FL | SAINT LUCIE COUNTY PUBLIC SAFETY OFFICER OBSERVED POSSIBLE FUNNEL CLOUD 6 TO 8 MILES SOUTH OF HIS LOCATION IN PORT SAINT LUCIE. |
| May 19, 3:37 PM EDT | HAIL 0.5 | 3 Sse Palm City, FL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 6.9 hours before the alert went out and 146 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
- 563 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
887
WUUS52 KMLB 191852
SVRMLB
FLC085-191930-
/O.NEW.KMLB.SV.W.0037.120519T1852Z-120519T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
252 PM EDT SAT MAY 19 2012
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN MARTIN COUNTY IN FLORIDA
* UNTIL 330 PM EDT.
* AT 250 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 7 MILES
SOUTH OF PALM CITY...AND MOVING NORTHEAST AT 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
ROCKY POINT...STUART AND PORT SALERNO
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE POSSIBLE. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY!
LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 2720 8046 2721 8035 2721 8029 2722 8028
2722 8022 2709 8014 2699 8034
TIME...MOT...LOC 1852Z 225DEG 10KT 2707 8029
$$
672 follow-up statements
616
WWUS52 KMLB 191910
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
310 PM EDT SAT MAY 19 2012
FLC085-191930-
/O.CON.KMLB.SV.W.0037.000000T0000Z-120519T1930Z/
MARTIN-
310 PM EDT SAT MAY 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR EASTERN MARTIN COUNTY...
AT 309 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR PORT SALERNO...OR NEAR PALM CITY...MOVING NORTHEAST AT
10 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WITHAM
FIELD...ROCKY POINT...RIO...STUART...SNUG HARBOR AND PORT SEWALL
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE POSSIBLE. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 2720 8046 2721 8035 2721 8029 2722 8028
2722 8022 2709 8014 2699 8034
TIME...MOT...LOC 1910Z 225DEG 10KT 2711 8025
$$
67702
WWUS52 KMLB 191921
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
321 PM EDT SAT MAY 19 2012
FLC085-191930-
/O.CON.KMLB.SV.W.0037.000000T0000Z-120519T1930Z/
MARTIN-
321 PM EDT SAT MAY 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTHEASTERN MARTIN COUNTY...
AT 314 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS
TO 60 MPH. THIS STORM WAS LOCATED NEAR PALM CITY...MOVING
NORTHEAST AT 10 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WITHAM
FIELD...ROCKY POINT...RIO...STUART...SNUG HARBOR...PORT SEWALL AND
PORT SALERNO
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
DAMAGING WINDS UP TO 60 MPH WERE REPORTED AROUND PALM CITY WITH THIS
STORM. THIS IS A DANGEROUS STORM...SEEK SAFE SHELTER AND STAY AWAY
FROM WINDOWS!
QUARTER SIZE HAIL HAS BEEN REPORTED WITH THIS STORM. IF YOU ARE IN
THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND
PROPERTY.
BOATERS SHOULD BE HEADING TO SAFE HARBOR IMMEDIATELY!
&&
LAT...LON 2703 8030 2720 8039 2721 8035 2721 8029
2722 8028 2722 8022 2709 8014
TIME...MOT...LOC 1917Z 234DEG 18KT 2711 8027
$$
67The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 2:03 PM EDT | Special Weather Statement | MLB | Indian River, Okeechobee | 57 min |
| May 19, 2:10 PM EDT | Severe Thunderstorm Warning | MLB | Indian River, Okeechobee, Saint Lucie | 50 min |
| May 19, 3:22 PM EDT | Special Weather Statement | MLB | Okeechobee | 38 min |
| May 19, 3:26 PM EDT | Special Marine Warning | MLB | 49 min | |
| May 19, 3:31 PM EDT | Severe Thunderstorm Warning | MLB | Martin | 44 min |
| May 19, 3:32 PM EDT | Tornado Warning | MLB | Martin, Okeechobee, Saint Lucie | 43 min |
| May 19, 4:15 PM EDT | Special Marine Warning | MLB | 104 min | |
| May 19, 4:17 PM EDT | Special Weather Statement | MLB | Martin | 43 min |
| May 19, 4:24 PM EDT | Special Weather Statement | MLB | Martin | 36 min |
| May 19, 4:39 PM EDT | Special Weather Statement | MLB | Osceola | 51 min |
| May 19, 5:29 PM EDT | Special Weather Statement | MLB | Osceola | 46 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.