Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 28, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at May 17, 2012, 6:27 PM EDT for Brevard County, Florida. It was in force for 63 min. 4 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 17, 2012, 6:27 PM EDT (22:27 UTC)
- Expired
- May 17, 2012, 7:30 PM EDT
- In force
- 63 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 45 km from the middle of the area, began a volume at 22:29 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 17, 6:55 PM EDT | HAIL 1.25 | 2 Ssw Titusville, FL | |
| May 17, 7:07 PM EDT | HAIL 1 | Port Saint John, FL | PEA TO QUARTER-SIZED HAIL |
| May 17, 7:38 PM EDT | HAIL 0.7 | 4 Wsw Cape Canaveral, FL | |
| May 17, 7:38 PM EDT | HAIL 1 | 3 Ne Cocoa, FL | DIME TO QUARTER-SIZE AT 528 AND SR-3 |
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, 10.5 hours before the alert went out and 21 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
- 74 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 866 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
505
WUUS52 KMLB 172227
SVRMLB
FLC009-172330-
/O.NEW.KMLB.SV.W.0028.120517T2227Z-120517T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
627 PM EDT THU MAY 17 2012
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN BREVARD COUNTY IN FLORIDA
* UNTIL 730 PM EDT.
* AT 624 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
TITUSVILLE...AND MOVING SOUTHEAST AT 15 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
TITUSVILLE AIRPORT...MERRITT ISLAND WILDLIFE REFUGE...PORT SAINT
JOHN...SHARPES...KENNEDY SPACE CENTER...COCOA AND MERRITT ISLAND
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.
&&
LAT...LON 2844 8060 2850 8060 2850 8063 2841 8065
2842 8061 2840 8062 2840 8065 2836 8064
2831 8066 2847 8088 2854 8094 2859 8094
2871 8084 2870 8082 2866 8082 2866 8079
2868 8079 2858 8057 2854 8055
TIME...MOT...LOC 2227Z 302DEG 14KT 2858 8089
$$
WEITLICH3 follow-up statements
100
WWUS52 KMLB 172252
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
652 PM EDT THU MAY 17 2012
FLC009-172330-
/O.CON.KMLB.SV.W.0028.000000T0000Z-120517T2330Z/
BREVARD-
652 PM EDT THU MAY 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHERN BREVARD COUNTY...
AT 648 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR TITUSVILLE AIRPORT...MOVING SOUTHEAST AT 15 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MERRITT
ISLAND WILDLIFE REFUGE...SPACE COAST AIRPORT...BELLWOOD...PORT SAINT
JOHN...SHARPES...KENNEDY SPACE CENTER...COCOA AND MERRITT ISLAND
LAT...LON 2844 8060 2850 8060 2850 8063 2848 8064
2841 8065 2842 8061 2840 8062 2840 8065
2836 8064 2831 8066 2847 8088 2850 8088
2854 8092 2865 8083 2866 8079 2868 8079
2858 8057 2855 8055
TIME...MOT...LOC 2252Z 302DEG 14KT 2853 8080
$$
WEITLICH903
WWUS52 KMLB 172258
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
658 PM EDT THU MAY 17 2012
FLC009-172330-
/O.CON.KMLB.SV.W.0028.000000T0000Z-120517T2330Z/
BREVARD-
658 PM EDT THU MAY 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHERN BREVARD COUNTY...
AT 652 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 TITUSVILLE AIRPORT...MOVING SOUTHEAST AT 15 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BELLWOOD...PORT SAINT JOHN...KENNEDY SPACE CENTER...SHARPES...COCOA
AND MERRITT ISLAND
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HAIL UP TO ONE AND ONE QUARTER INCHES IN DIAMETER HAS BEEN REPORTED
IN TITUSVILLE WITH THIS STORM. IF YOU ARE IN THE PATH OF
THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 2844 8060 2850 8060 2850 8063 2848 8064
2841 8065 2842 8061 2840 8062 2840 8065
2836 8064 2831 8066 2847 8088 2850 8088
2854 8092 2865 8083 2866 8079 2868 8079
2858 8057 2855 8055
TIME...MOT...LOC 2258Z 309DEG 13KT 2851 8079
$$
WEITLICH648
WWUS52 KMLB 172330
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
730 PM EDT THU MAY 17 2012
FLC009-172338-
/O.EXP.KMLB.SV.W.0028.000000T0000Z-120517T2330Z/
BREVARD-
730 PM EDT THU MAY 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BREVARD COUNTY WILL
EXPIRE AT 730 PM EDT...
THE SEVERE STORM THAT PROMPTED THE WARNING HAD WEAKENED AND IS NO
LONGER CAPABLE OF PRODUCING SEVERE WEATHER...THUS THE WARNING HAS
BEEN ALLOWED TO EXPIRE. HOWEVER STRONG WIND GUSTS...SMALL HAIL...AND
DANGEROUS CLOUD TO GROUND LIGHTNING CAN STILL BE EXPECTED WITH THIS
STORM.
LAT...LON 2844 8060 2850 8060 2850 8063 2848 8064
2841 8065 2842 8061 2840 8062 2840 8065
2836 8064 2831 8066 2847 8088 2850 8088
2854 8092 2865 8083 2866 8079 2868 8079
2858 8057 2855 8055
TIME...MOT...LOC 2328Z 309DEG 13KT 2844 8069
$$
WEITLICHThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 1:45 AM EDT | Tornado Warning | MLB | Martin, Saint Lucie | 27 min |
| May 17, 2:34 AM EDT | Tornado Warning | MLB | Martin | 41 min |
| May 17, 2:47 AM EDT | Special Marine Warning | MLB | 58 min | |
| May 17, 4:27 PM EDT | Special Marine Warning | MLB | 63 min | |
| May 17, 4:27 PM EDT | Special Weather Statement | MLB | Indian River | 48 min |
| May 17, 5:37 PM EDT | Special Weather Statement | MLB | Indian River | 38 min |
| May 17, 5:53 PM EDT | Special Weather Statement | MLB | Seminole | 52 min |
| May 17, 5:55 PM EDT | Special Weather Statement | MLB | Martin | 50 min |
| May 17, 5:59 PM EDT | Special Weather Statement | MLB | Volusia | 46 min |
| May 17, 6:14 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Volusia | 61 min |
| May 17, 6:30 PM EDT | Special Marine Warning | MLB | 2 hr | |
| May 17, 6:47 PM EDT | Special Weather Statement | MLB | Volusia | 43 min |
| May 17, 6:53 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Volusia | 37 min |
| May 17, 7:14 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 61 min |
| May 17, 7:32 PM EDT | Special Weather Statement | MLB | Brevard | 43 min |
| May 17, 7:39 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 51 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.