Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 49, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 10, 2012, 6:26 PM EDT for Lake County, Volusia County, Florida. It was in force for 64 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, 6:26 PM EDT (22:26 UTC)
- Expired
- Jun 10, 2012, 7:30 PM EDT
- In force
- 64 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Lake County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 140 km from the middle of the area, began a volume at 22:27 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, 10.4 hours before the alert went out and 125 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
- 741 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
416
WUUS52 KMLB 102226
SVRMLB
FLC069-127-102330-
/O.NEW.KMLB.SV.W.0049.120610T2226Z-120610T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
626 PM EDT SUN JUN 10 2012
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN LAKE COUNTY IN FLORIDA
NORTHWESTERN VOLUSIA COUNTY IN FLORIDA
* UNTIL 730 PM EDT.
* AT 618 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 9 MILES
SOUTH OF LAKE GEORGE...OR 9 MILES EAST OF JUNIPER SPRINGS...AND
MOVING EAST AT 15 MPH. OTHER STRONG TO SEVERE STORMS WILL MOVE OUT
OF SOUTHERN MARION COUNTY NEAR EMERALDA.
* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED
TO... PAISLEY...MOUNT PLYMOUTH...PIERSON...CASSIA...BARBERVILLE...
UMATILLA...DE LEON SPRINGS AND EMERALDA.
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.
NATIONAL WEATHER SERVICE METEOROLOGISTS ALSO DETECTED SOME WEAK
ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO
MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A SMALL INTERIOR
ROOM.
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 2897 8193 2897 8166 2905 8166 2905 8164
2925 8165 2937 8154 2938 8145 2940 8143
2939 8141 2927 8141 2926 8131 2894 8135
2884 8139 2883 8142 2879 8141 2878 8171
2884 8189 2892 8196
TIME...MOT...LOC 2223Z 276DEG 12KT 2916 8157
$$
KELLY2 follow-up statements
282
WWUS52 KMLB 102257
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
657 PM EDT SUN JUN 10 2012
FLC069-127-102330-
/O.CON.KMLB.SV.W.0049.000000T0000Z-120610T2330Z/
LAKE-VOLUSIA-
657 PM EDT SUN JUN 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR WEST CENTRAL VOLUSIA AND NORTHERN LAKE COUNTIES...
AT 651 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR LAKE DORR...OR NEAR PAISLEY...MOVING EAST AT 15 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PIERSON...ELDRIDGE...LAKE KATHRYN HEIGHTS...MOUNT PLYMOUTH...
FULLERVILLE...LAKE WOODRUFF...FOREST HILLS...CASSIA...DE LEON
SPRINGS...AND HONTOON ISLAND STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NATIONAL WEATHER SERVICE METEOROLOGISTS ALSO DETECTED WEAK ROTATION
WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL
DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY IN A STURDY STRUCTURE...SUCH AS A SMALL INTERIOR ROOM.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 2897 8193 2896 8166 2905 8166 2905 8164
2929 8146 2928 8141 2927 8141 2926 8131
2894 8135 2885 8139 2883 8142 2879 8141
2878 8171 2884 8189 2892 8196
TIME...MOT...LOC 2255Z 285DEG 20KT 2900 8159
$$
KELLY045
WWUS52 KMLB 102314
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
714 PM EDT SUN JUN 10 2012
FLC069-127-102330-
/O.CON.KMLB.SV.W.0049.000000T0000Z-120610T2330Z/
LAKE-VOLUSIA-
714 PM EDT SUN JUN 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR WEST CENTRAL VOLUSIA AND NORTHEASTERN LAKE COUNTIES...
AT 711 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 CASSIA...MOVING SOUTHEAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HONTOON
ISLAND STATE PARK AND MOUNT PLYMOUTH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NATIONAL WEATHER SERVICE METEOROLOGISTS ALSO DETECTED WEAK ROTATION
WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL
DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY IN A STURDY STRUCTURE...SUCH AS A SMALL INTERIOR ROOM.
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 2896 8166 2905 8166 2905 8164 2918 8148
2917 8132 2894 8135 2885 8139 2883 8142
2879 8141 2879 8161 2888 8169
TIME...MOT...LOC 2314Z 310DEG 22KT 2889 8150
$$
KELLYThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 8:11 PM EDT | Special Weather Statement | MLB | Osceola | 49 min |
| Jun 10, 3:39 PM EDT | Areal Flood Advisory | MLB | Volusia | 51 min |
| Jun 10, 4:39 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 66 min |
| Jun 10, 5:55 PM EDT | Special Weather Statement | MLB | Volusia | 65 min |
| Jun 10, 7:23 PM EDT | Special Weather Statement | MLB | Seminole | 37 min |
| Jun 10, 7:29 PM EDT | Severe Thunderstorm Warning | MLB | Lake, Seminole, Volusia | 61 min |
| Jun 10, 7:48 PM EDT | Special Weather Statement | MLB | Lake | 42 min |
| Jun 10, 7:52 PM EDT | Special Weather Statement | MLB | Volusia | 38 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.