Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 74, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 22, 2012, 5:05 PM EDT for Lake County, Orange County, Florida. It was in force for 34 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
- Jul 22, 2012, 5:05 PM EDT (21:05 UTC)
- Expired
- Jul 22, 2012, 5:39 PM EDT
- In force
- 34 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Lake County, FL, Orange County, FL
The radar
The Tampa radar (KTBW), 116 km from the middle of the area, began a volume at 21:08 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 12:00Z, 9.1 hours before the alert went out and 116 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
- 2174 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
836 WUUS52 KMLB 222105 SVRMLB FLC069-095-222200- /O.NEW.KMLB.SV.W.0074.120722T2105Z-120722T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 505 PM EDT SUN JUL 22 2012 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL LAKE COUNTY IN FLORIDA WEST CENTRAL ORANGE COUNTY IN FLORIDA * UNTIL 600 PM EDT. * AT 504 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WINTER GARDEN...AND MOVING WEST AT 20 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO... FERNDALE...LAKE LOUISA...CLERMONT...HOWEY IN THE HILLS...GROVELAND AND MASCOTTE 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 2878 8196 2865 8152 2840 8157 2841 8196 TIME...MOT...LOC 2105Z 099DEG 18KT 2855 8165 $$ SEDLOCK
2 follow-up statements
377 WWUS52 KMLB 222120 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 520 PM EDT SUN JUL 22 2012 FLC095-222129- /O.CAN.KMLB.SV.W.0074.000000T0000Z-120722T2200Z/ ORANGE- 520 PM EDT SUN JUL 22 2012 ...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL ORANGE COUNTY IS CANCELLED...THOUGH STRONG WINDS OF 30 TO 40 MPH MAY LAST A BIT LONGER ALONG WITH HEAVY DOWNPOURS. LAT...LON 2878 8196 2868 8166 2840 8166 2841 8196 TIME...MOT...LOC 2119Z 091DEG 23KT 2856 8176 $$ FLC069-222200- /O.CON.KMLB.SV.W.0074.000000T0000Z-120722T2200Z/ LAKE- 520 PM EDT SUN JUL 22 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR SOUTH-CENTRAL LAKE COUNTY... AT 516 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 CLERMONT...OR NEAR FERNDALE...MOVING WEST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GROVELAND...MASCOTTE AND OKAHUMPKA LAT...LON 2878 8196 2868 8166 2840 8166 2841 8196 TIME...MOT...LOC 2119Z 091DEG 23KT 2856 8176 $$ SEDLOCK
678 WWUS52 KMLB 222139 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 539 PM EDT SUN JUL 22 2012 FLC069-222149- /O.CAN.KMLB.SV.W.0074.000000T0000Z-120722T2200Z/ LAKE- 539 PM EDT SUN JUL 22 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LAKE COUNTY IS CANCELLED... THE SEVERE STORM THAT PROMPTED THE WARNING HAD WEAKENED AND EXITED THE WARNING AREA...THUS THE WARNING HAS BEEN CANCELLED. HOWEVER...GUSTY WINDS OF 30 TO 40 MPH...HEAVY RAINFALL AND OCCASIONAL LIGHTNING WILL STILL BE POSSIBLE THROUGH EARLY EVENING. LAT...LON 2878 8196 2868 8166 2840 8166 2841 8196 TIME...MOT...LOC 2139Z 091DEG 23KT 2856 8191 $$ SEDLOCK
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 2:24 PM EDT | Special Weather Statement | MLB | Martin, Saint Lucie | 51 min |
| Jul 22, 2:39 PM EDT | Severe Thunderstorm Warning | MLB | Indian River, Saint Lucie | 52 min |
| Jul 22, 2:46 PM EDT | Special Marine Warning | MLB | 89 min | |
| Jul 22, 2:51 PM EDT | Special Marine Warning | MLB | 84 min | |
| Jul 22, 2:57 PM EDT | Special Weather Statement | MLB | Brevard | 63 min |
| Jul 22, 3:06 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 54 min |
| Jul 22, 3:09 PM EDT | Special Weather Statement | MLB | Okeechobee | 51 min |
| Jul 22, 3:34 PM EDT | Special Weather Statement | MLB | Osceola | 41 min |
| Jul 22, 3:36 PM EDT | Special Weather Statement | MLB | Brevard | 54 min |
| Jul 22, 3:50 PM EDT | Special Marine Warning | MLB | 115 min | |
| Jul 22, 3:57 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 5 min |
| Jul 22, 4:04 PM EDT | Severe Thunderstorm Warning | MLB | Orange, Osceola, Seminole, Volusia | 56 min |
| Jul 22, 4:16 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 26 min |
| Jul 22, 4:36 PM EDT | Special Weather Statement | MLB | Lake | 84 min |
| Jul 22, 5:15 PM EDT | Special Weather Statement | MLB | Lake, Volusia | 90 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.