Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 53, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 10, 2012, 9:13 PM EDT for Orange County, Osceola County, Florida. It was in force for 47 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 10, 2012, 9:13 PM EDT (01:13 UTC)
- Expired
- Jun 10, 2012, 10:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Orange County, FL, Osceola County, FL
The radar
The Melbourne radar (KMLB), 56 km from the middle of the area, began a volume at 01:13 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
Tampa Bay, FL (KTBW), launched 00:00Z, 1.2 hours before the alert went out and 138 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
- 3486 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 950 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
101 WUUS52 KMLB 110113 SVRMLB FLC095-097-110200- /O.NEW.KMLB.SV.W.0053.120611T0113Z-120611T0200Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 913 PM EDT SUN JUN 10 2012 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL ORANGE COUNTY IN FLORIDA NORTH CENTRAL OSCEOLA COUNTY IN FLORIDA * UNTIL 1000 PM EDT. * AT 908 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 BUENA VENTURA LAKES...AND MOVING EAST AT 25 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO... EAST LAKE TOHO...SAINT CLOUD...NARCOOSSEE...LAKE MARY JANE AND HARMONY. 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 2838 8097 2814 8113 2825 8143 2843 8139 TIME...MOT...LOC 0113Z 283DEG 23KT 2832 8130 $$ KELLY
1 follow-up statement
798 WWUS52 KMLB 110141 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 941 PM EDT SUN JUN 10 2012 FLC095-097-110200- /O.CON.KMLB.SV.W.0053.000000T0000Z-120611T0200Z/ ORANGE-OSCEOLA- 941 PM EDT SUN JUN 10 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR NORTH CENTRAL OSCEOLA AND SOUTHEASTERN ORANGE COUNTIES... AT 936 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES EAST OF LAKE MARY JANE...OR 10 MILES EAST OF NARCOOSSEE...MOVING EAST AT 25 MPH. THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && LAT...LON 2840 8118 2838 8097 2814 8113 2818 8125 TIME...MOT...LOC 0141Z 283DEG 23KT 2833 8104 $$ KELLY
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:09 PM EDT | Special Weather Statement | MLB | Osceola | 36 min |
| Jun 10, 8:12 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 26 min |
| Jun 10, 8:38 PM EDT | Special Weather Statement | MLB | Orange, Seminole, Volusia | 52 min |
| Jun 10, 8:50 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Orange, Osceola | 55 min |
| Jun 10, 9:14 PM EDT | Areal Flood Advisory | MLB | Lake, Orange, Osceola | 76 min |
| Jun 10, 9:50 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Orange, Osceola | 30 min |
| Jun 10, 9:56 PM EDT | Special Marine Warning | MLB | 94 min | |
| Jun 10, 10:19 PM EDT | Special Weather Statement | MLB | Brevard | 41 min |
| Jun 10, 11:27 PM EDT | Special Weather Statement | MLB | Okeechobee | 48 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.