Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 23, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 15, 2012, 3:09 PM EDT for Glades 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
- May 15, 2012, 3:09 PM EDT (19:09 UTC)
- Expired
- May 15, 2012, 3:45 PM EDT
- In force
- 36 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
County Glades County, FL
The radar
The Tampa radar (KTBW), 131 km from the middle of the area, began a volume at 19:12 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, 7.2 hours before the alert went out and 131 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
- 354 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 1264 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
557 WUUS52 KMFL 151909 SVRMFL FLC043-151945- /O.NEW.KMFL.SV.W.0023.120515T1909Z-120515T1945Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 309 PM EDT TUE MAY 15 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL GLADES COUNTY IN SOUTH FLORIDA. * UNTIL 345 PM EDT * AT 304 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 5 MILES NORTHEAST OF MUSE...AND MOVING EAST AT 5 MPH. * THE STORM WILL AFFECT... RURAL WESTERN GLADES COUNTY AND SURROUNDING COMMUNITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH AND OR LARGE HAIL. FREQUENT TO EXCESSIVE LIGHTNING AND HEAVY RAINFALL IS ALSO POSSIBLE. IF THE STORM APPROACHES YOUR LOCATION, SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS. && LAT...LON 2682 8154 2696 8156 2701 8131 2680 8132 TIME...MOT...LOC 1909Z 257DEG 6KT 2690 8146 $$ MJB
2 follow-up statements
509 WWUS52 KMFL 151924 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 324 PM EDT TUE MAY 15 2012 FLC043-151945- /O.CON.KMFL.SV.W.0023.000000T0000Z-120515T1945Z/ GLADES FL- 324 PM EDT TUE MAY 15 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR WEST CENTRAL GLADES COUNTY... AT 319 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES NORTHEAST OF MUSE...MOVING EAST AT 5 MPH. SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 58 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 2683 8153 2696 8154 2701 8131 2680 8132 TIME...MOT...LOC 1924Z 257DEG 6KT 2691 8143 $$ MJB
033 WWUS52 KMFL 151943 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 343 PM EDT TUE MAY 15 2012 FLC043-151952- /O.EXP.KMFL.SV.W.0023.000000T0000Z-120515T1945Z/ GLADES FL- 343 PM EDT TUE MAY 15 2012 ...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL GLADES COUNTY WILL EXPIRE AT 345 PM EDT... NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS DISSIPATED. THUS THE THUNDERSTORM WARNING WILL EXPIRE AT 345 PM EDT. HOWEVER, GUSTY WINDS OF 40 TO 50 MPH AND NICKEL SIZE HAIL MAY STILL OCCUR WITH THIS STORM. LAT...LON 2683 8153 2696 8154 2701 8131 2680 8132 TIME...MOT...LOC 1942Z 257DEG 6KT 2692 8140 $$ MJB
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 2:56 PM EDT | Special Weather Statement | MFL | Martin | 34 min |
| May 15, 3:05 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 40 min |
| May 15, 3:06 PM EDT | Special Weather Statement | MFL | Glades | 24 min |
| May 15, 3:30 PM EDT | Special Weather Statement | MFL | Hendry | 30 min |
| May 15, 3:38 PM EDT | Special Weather Statement | MFL | Hendry | 52 min |
| May 15, 3:44 PM EDT | Special Weather Statement | MFL | Martin | 46 min |
| May 15, 3:53 PM EDT | Special Weather Statement | MFL | Monroe | 37 min |
| May 15, 4:19 PM EDT | Special Weather Statement | MFL | Hendry | 26 min |
| May 15, 4:24 PM EDT | Special Weather Statement | MFL | Palm Beach | 36 min |
| May 15, 4:37 PM EDT | Special Weather Statement | MFL | Hendry | 23 min |
| May 15, 4:45 PM EDT | Special Weather Statement | MFL | Hendry | 30 min |
| May 15, 4:54 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| May 15, 4:58 PM EDT | Special Weather Statement | MFL | Broward | 47 min |
| May 15, 5:03 PM EDT | Special Weather Statement | MFL | Broward | 42 min |
| May 15, 5:06 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 24 min |
| May 15, 5:15 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 43 min |
| May 15, 5:33 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 42 min |
| May 15, 5:53 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 24 min |
| May 15, 6:00 PM EDT | Special Marine Warning | MFL | 45 min | |
| May 15, 6:05 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 115 min |
| May 15, 6:38 PM EDT | Special Marine Warning | MFL | 52 min | |
| May 15, 7:30 PM EDT | Special Marine Warning | MFL | 60 min | |
| May 15, 7:30 PM EDT | Special Marine Warning | MFL | 60 min | |
| May 15, 7:53 PM EDT | Special Weather Statement | MFL | Broward | 52 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.