Alert archive / Florida / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 57, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 14, 2011, 6:29 PM EDT for Brevard County, Orange County, Florida. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 14, 2011, 6:29 PM EDT (22:29 UTC)
- Expired
- Jun 14, 2011, 7:17 PM EDT
- In force
- 48 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Brevard County, FL, Orange County, FL
The radar
The Melbourne radar (KMLB), 46 km from the middle of the area, began a volume at 22:31 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.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 10.5 hours before the alert went out and 27 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
- 271 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 1216 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
767
WUUS52 KMLB 142229
SVRMLB
FLC009-095-142330-
/O.NEW.KMLB.SV.W.0057.110614T2229Z-110614T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
629 PM EDT TUE JUN 14 2011
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN BREVARD COUNTY IN FLORIDA
EAST CENTRAL ORANGE COUNTY IN FLORIDA
* UNTIL 730 PM EDT.
* AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORMS
WERE LOCATED NEAR TITUSVILLE....AND NEAR BITHLO. THIS CLUSTER OF
STORMS WAS MOVING SOUTH AT 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED
TO...PORT SAINT JOHN...SHARPES...CANAVERAL GROVES...CHRISTMAS
AND WEDGEFIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 2839 8064 2836 8066 2836 8120 2861 8115
2861 8097 2863 8096 2863 8081 2859 8080
2859 8078 2860 8076 2862 8079 2864 8078
2864 8064 2850 8062 2845 8065 2838 8066
2843 8061 2836 8060
TIME...MOT...LOC 2226Z 000DEG 10KT 2853 8083
$$
521 follow-up statement
507
WWUS52 KMLB 142317
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
717 PM EDT TUE JUN 14 2011
FLC009-095-142328-
/O.CAN.KMLB.SV.W.0057.000000T0000Z-110614T2330Z/
ORANGE-BREVARD-
717 PM EDT TUE JUN 14 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BREVARD AND EAST
CENTRAL ORANGE COUNTIES IS CANCELLED...
THE SEVERE STORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO
LONGER CAPABLE OF PRODUCING LARGE HAIL OR DAMAGING WINDS. AS A
RESULT...THE WARNING HAS BEEN CANCELLED. HOWEVER...HEAVY RAIN AND
DANGEROUS LIGHTNING STRIKES WILL CONTINUE TO BE POSSIBLE.
LAT...LON 2839 8064 2836 8066 2836 8120 2861 8115
2861 8097 2863 8096 2863 8081 2859 8080
2859 8078 2860 8076 2862 8079 2864 8078
2864 8064 2850 8062 2845 8065 2838 8066
2843 8061 2836 8060
TIME...MOT...LOC 2318Z 000DEG 10KT 2839 8083
$$
52The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 1:46 PM EDT | Special Weather Statement | MLB | Orange | 44 min |
| Jun 14, 2:29 PM EDT | Special Weather Statement | MLB | Osceola | 61 min |
| Jun 14, 2:43 PM EDT | Special Weather Statement | MLB | Seminole | 47 min |
| Jun 14, 2:44 PM EDT | Special Marine Warning | MLB | 91 min | |
| Jun 14, 2:46 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Volusia | 44 min |
| Jun 14, 2:51 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 54 min |
| Jun 14, 3:03 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Osceola | 42 min |
| Jun 14, 3:29 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Orange, Seminole, Volusia | 61 min |
| Jun 14, 3:59 PM EDT | Special Marine Warning | MLB | 91 min | |
| Jun 14, 4:25 PM EDT | Special Marine Warning | MLB | 80 min | |
| Jun 14, 5:04 PM EDT | Severe Thunderstorm Warning | MLB | Orange, Osceola | 56 min |
| Jun 14, 5:18 PM EDT | Special Weather Statement | MLB | Martin | 42 min |
| Jun 14, 5:21 PM EDT | Severe Thunderstorm Warning | MLB | Martin, Saint Lucie | 39 min |
| Jun 14, 5:33 PM EDT | Special Marine Warning | MLB | 87 min | |
| Jun 14, 5:35 PM EDT | Special Weather Statement | MLB | Seminole | 40 min |
| Jun 14, 5:57 PM EDT | Severe Thunderstorm Warning | MLB | Martin | 42 min |
| Jun 14, 5:59 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 50 min |
| Jun 14, 6:19 PM EDT | Special Weather Statement | MLB | Seminole | 41 min |
| Jun 14, 7:17 PM EDT | Special Weather Statement | MLB | Seminole, Volusia | 43 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.