Alert archive / Florida / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 85, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 18, 2011, 8:39 PM EDT for Brevard County, Osceola County, Florida. It was in force for 36 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 18, 2011, 8:39 PM EDT (00:39 UTC)
- Expired
- Jun 18, 2011, 9:15 PM EDT
- In force
- 36 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Brevard County, FL, Osceola County, FL
The radar
The Melbourne radar (KMLB), 15 km from the middle of the area, began a volume at 00:39 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 00:00Z, 0.7 hours before the alert went out and 53 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
- 1052 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
286
WUUS52 KMLB 190039
SVRMLB
FLC009-097-190115-
/O.NEW.KMLB.SV.W.0085.110619T0039Z-110619T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
839 PM EDT SAT JUN 18 2011
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN BREVARD COUNTY IN FLORIDA
EXTREME EAST CENTRAL OSCEOLA COUNTY IN FLORIDA
* UNTIL 915 PM EDT.
* AT 835 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS AND AN OUTFLOW BOUNDARY...CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED NEAR CAMP HOLLY FISH CAMP...AND MOVING EAST AT 15 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
WEST MELBOURNE...PALM BAY...SUNTREE...SATELLITE BEACH...MICCO...
MELBOURNE BEACH...MELBOURNE...MALABAR...INDIAN HARBOUR BEACH AND
INDIALANTIC
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 2786 8045 2787 8048 2792 8049 2794 8052
2787 8049 2786 8049 2784 8050 2790 8088
2826 8088 2822 8066 2820 8065 2821 8065
2820 8059 2807 8055 2787 8044
TIME...MOT...LOC 0037Z 264DEG 9KT 2816 8075
$$
GUSEMAN1 follow-up statement
284
WWUS52 KMLB 190055
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
855 PM EDT SAT JUN 18 2011
FLC097-190103-
/O.CAN.KMLB.SV.W.0085.000000T0000Z-110619T0115Z/
OSCEOLA-
855 PM EDT SAT JUN 18 2011
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME EAST CENTRAL OSCEOLA
COUNTY IS CANCELLED...
LAT...LON 2786 8045 2787 8048 2792 8049 2794 8052
2787 8049 2786 8049 2784 8050 2790 8084
2825 8084 2822 8066 2820 8065 2821 8065
2820 8059 2807 8055 2787 8044
TIME...MOT...LOC 0053Z 264DEG 9KT 2816 8070
$$
FLC009-190115-
/O.CON.KMLB.SV.W.0085.000000T0000Z-110619T0115Z/
BREVARD-
855 PM EDT SAT JUN 18 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR SOUTHERN BREVARD COUNTY...
AT 849 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR PALM SHORES...OR 6
MILES NORTH OF CAMP HOLLY FISH CAMP...MOVING EAST AT 15 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST
MELBOURNE...PALM BAY...EAU GALLIE...SATELLITE
BEACH...MICCO...MELBOURNE BEACH...MALABAR...INDIALANTIC...GRANT AND
BAREFOOT BAY
LAT...LON 2786 8045 2787 8048 2792 8049 2794 8052
2787 8049 2786 8049 2784 8050 2790 8084
2825 8084 2822 8066 2820 8065 2821 8065
2820 8059 2807 8055 2787 8044
TIME...MOT...LOC 0053Z 264DEG 9KT 2816 8070
$$
GUSEMANThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:15 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Orange | 45 min |
| Jun 18, 8:59 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 31 min |
| Jun 18, 9:18 PM EDT | Special Weather Statement | MLB | Brevard | 27 min |
| Jun 18, 9:26 PM EDT | Areal Flood Advisory | MLB | Brevard | 2 hr |
| Jun 19, 4:26 PM EDT | Special Weather Statement | MLB | Saint Lucie | 49 min |
| Jun 19, 5:40 PM EDT | Special Weather Statement | MLB | Osceola | 65 min |
| Jun 19, 6:22 PM EDT | Special Weather Statement | MLB | Osceola | 53 min |
| Jun 19, 6:29 PM EDT | Special Weather Statement | MLB | Lake | 61 min |
| Jun 19, 6:34 PM EDT | Areal Flood Advisory | MLB | Lake | 116 min |
| Jun 19, 7:10 PM EDT | Special Weather Statement | MLB | Orange | 65 min |
| Jun 19, 7:26 PM EDT | Areal Flood Advisory | MLB | Orange, Osceola | 2 hr |
| Jun 19, 7:30 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 60 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.