Alert archive / Florida / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 87, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 19, 2011, 7:30 PM EDT for Orange County, Florida. It was in force for 60 min. 1 report 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
- Jun 19, 2011, 7:30 PM EDT (23:30 UTC)
- Expired
- Jun 19, 2011, 8:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
County Orange County, FL
The radar
The Melbourne radar (KMLB), 85 km from the middle of the area, began a volume at 23:32 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 |
|---|---|---|---|
| Jun 19, 7:50 PM EDT | TSTM WND DMG | 3 Sw Conway, FL | ESTIMATED 50 MPH WIND GUST SNAPPED A TREE 10 FEET ABOVE THE GROUND IN PINE CASTLE. |
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, 11.5 hours before the alert went out and 84 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
- 770 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 933 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
400
WUUS52 KMLB 192330
SVRMLB
FLC095-200030-
/O.NEW.KMLB.SV.W.0087.110619T2330Z-110620T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
730 PM EDT SUN JUN 19 2011
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN ORANGE COUNTY IN FLORIDA
* UNTIL 830 PM EDT.
* AT 728 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
PINE CASTLE...OR NEAR OAK RIDGE...AND MOVING NORTH AT 5 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
UNIVERSAL STUDIOS...BELLE ISLE...ORLANDO...ORLOVISTA...CONWAY...
WINTER PARK...UNION PARK...PINE HILLS...MAITLAND...LOCKHART...
FAIRVIEW SHORES AND AZALEA PARK.
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 2864 8145 2862 8132 2861 8132 2861 8124
2861 8120 2834 8133 2836 8156
TIME...MOT...LOC 2330Z 206DEG 5KT 2844 8140
$$
KELLY3 follow-up statements
085
WWUS52 KMLB 192347
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
747 PM EDT SUN JUN 19 2011
FLC095-200030-
/O.CON.KMLB.SV.W.0087.000000T0000Z-110620T0030Z/
ORANGE-
747 PM EDT SUN JUN 19 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR WESTERN ORANGE COUNTY...
AT 741 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR PINE CASTLE AND OAK RIDGE. MOVEMENT IS NEARLY
STATIONARY.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BELLE
ISLE...EDGEWOOD...ORLANDO...WINTER PARK...UNION PARK...PINE
HILLS...FAIRVILLA...FAIRVIEW SHORES...EATONVILLE...AZALEA PARK AND
ALOMA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 2864 8145 2862 8132 2861 8132 2861 8124
2861 8120 2834 8133 2836 8156
TIME...MOT...LOC 2344Z 206DEG 5KT 2846 8139
$$
KELLY766
WWUS52 KMLB 200005
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
805 PM EDT SUN JUN 19 2011
FLC095-200030-
/O.CON.KMLB.SV.W.0087.000000T0000Z-110620T0030Z/
ORANGE-
805 PM EDT SUN JUN 19 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR CENTRAL ORANGE COUNTY...
AT 802 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 PINE CASTLE...MOVING NORTHEAST AT 5 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
EDGEWOOD...BELLE ISLE...UNION PARK...CONWAY...AZALEA PARK AND ALOMA.
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 2863 8141 2862 8134 2862 8132 2861 8132
2861 8120 2834 8133 2835 8151
TIME...MOT...LOC 0003Z 235DEG 4KT 2846 8137
$$
KELLY799
WWUS52 KMLB 200029
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
829 PM EDT SUN JUN 19 2011
FLC095-200038-
/O.EXP.KMLB.SV.W.0087.000000T0000Z-110620T0030Z/
ORANGE-
829 PM EDT SUN JUN 19 2011
...THE SEVERE THUNDERSTORM WARNING FOR ORANGE COUNTY WILL EXPIRE AT
830 PM EDT...
THE SEVERE STORM THAT PROMPTED THE WARNING HAD WEAKENED
SUFFICIENTLY...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.
HOWEVER...GUSTY WINDS...HEAVY RAIN AND DANGEROUS LIGHTNING WILL
CONTINUE OVER CENTRAL ORANGE COUNTY THROUGH 9 PM.
LAT...LON 2863 8141 2862 8134 2862 8132 2861 8132
2861 8120 2834 8133 2835 8151
TIME...MOT...LOC 0028Z 235DEG 4KT 2848 8134
$$
KELLYThe 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, 8:39 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Osceola | 36 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 |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.