Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 39, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 19, 2012, 4:39 PM EDT for Glades County, Hendry County, Florida. It was in force for 39 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 19, 2012, 4:39 PM EDT (20:39 UTC)
- Expired
- May 19, 2012, 5:18 PM EDT
- In force
- 39 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
Counties Glades County, FL, Hendry County, FL
The radar
The Miami radar (KAMX), 139 km from the middle of the area, began a volume at 20:41 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
Miami, FL (KMFL), launched 12:00Z, 8.7 hours before the alert went out and 128 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
- 1791 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 625 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
185 WUUS52 KMFL 192039 SVRMFL FLC043-051-192130- /O.NEW.KMFL.SV.W.0039.120519T2039Z-120519T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 439 PM EDT SAT MAY 19 2012 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL GLADES COUNTY IN SOUTH FLORIDA. NORTH CENTRAL HENDRY COUNTY IN SOUTH FLORIDA. * UNTIL 530 PM EDT * AT 437 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 NORTHWEST OF DEVILS GARDEN...AND MOVING EAST AT 5 MPH. * THE STORM WILL AFFECT... RURAL NORTHERN HENDRY 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 2668 8092 2651 8124 2671 8138 2683 8121 TIME...MOT...LOC 2039Z 291DEG 5KT 2673 8119 $$ MJB
4 follow-up statements
420 WWUS52 KMFL 192051 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 451 PM EDT SAT MAY 19 2012 FLC043-051-192130- /O.CON.KMFL.SV.W.0039.000000T0000Z-120519T2130Z/ HENDRY FL-GLADES FL- 451 PM EDT SAT MAY 19 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR EXTREME SOUTH CENTRAL GLADES AND NORTH CENTRAL HENDRY COUNTIES... AT 450 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MPH AND QUARTER SIZE HAIL. THIS STORM WAS LOCATED 7 MILES NORTHWEST OF MONTURA...MOVING EAST AT 5 TO 10 MPH. SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 58 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 2682 8118 2668 8092 2651 8124 2668 8136 TIME...MOT...LOC 2051Z 291DEG 5KT 2672 8116 $$ MJB
536 WWUS52 KMFL 192059 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 459 PM EDT SAT MAY 19 2012 FLC043-051-192130- /O.CON.KMFL.SV.W.0039.000000T0000Z-120519T2130Z/ HENDRY FL-GLADES FL- 459 PM EDT SAT MAY 19 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR SOUTH CENTRAL GLADES AND NORTH CENTRAL HENDRY COUNTIES... AT 454 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DEVILS GARDEN...MOVING SOUTHEAST AT 15 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 2666 8134 2680 8114 2668 8092 2651 8124 TIME...MOT...LOC 2059Z 301DEG 11KT 2666 8114 $$ MJB
252 WWUS52 KMFL 192108 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 508 PM EDT SAT MAY 19 2012 FLC043-192118- /O.CAN.KMFL.SV.W.0039.000000T0000Z-120519T2130Z/ GLADES FL- 508 PM EDT SAT MAY 19 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL GLADES COUNTY IS CANCELLED... LAT...LON 2663 8132 2676 8113 2668 8092 2651 8124 TIME...MOT...LOC 2108Z 309DEG 19KT 2662 8110 $$ FLC051-192130- /O.CON.KMFL.SV.W.0039.000000T0000Z-120519T2130Z/ HENDRY FL- 508 PM EDT SAT MAY 19 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR CENTRAL HENDRY COUNTY... AT 503 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DEVILS GARDEN...MOVING SOUTHEAST AT 20 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 2663 8132 2676 8113 2668 8092 2651 8124 TIME...MOT...LOC 2108Z 309DEG 19KT 2662 8110 $$ MJB
793 WWUS52 KMFL 192118 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 518 PM EDT SAT MAY 19 2012 FLC051-192127- /O.CAN.KMFL.SV.W.0039.000000T0000Z-120519T2130Z/ HENDRY FL- 518 PM EDT SAT MAY 19 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HENDRY COUNTY IS CANCELLED... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THE STORM HAS WEAKENED AND IS NO LONGER SEVERE. HOWEVER, HEAVY RAINFALL, GUSTY WINDS OF 45 TO 55 MPH, AND SMALL HAIL MAY STILL OCCUR WITH THIS STORM. LAT...LON 2663 8132 2676 8113 2668 8092 2651 8124 TIME...MOT...LOC 2117Z 301DEG 11KT 2663 8109 $$ MJB
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 12:37 PM EDT | Areal Flood Advisory | MFL | Broward, Miami-Dade | 2 hr |
| May 19, 2:02 PM EDT | Special Weather Statement | MFL | Palm Beach | 43 min |
| May 19, 2:04 PM EDT | Special Weather Statement | MFL | Broward | 26 min |
| May 19, 2:10 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 22 min |
| May 19, 2:11 PM EDT | Special Weather Statement | MFL | Palm Beach | 34 min |
| May 19, 2:43 PM EDT | Special Weather Statement | MFL | Palm Beach | 47 min |
| May 19, 2:45 PM EDT | Special Weather Statement | MFL | Broward | 30 min |
| May 19, 3:04 PM EDT | Special Weather Statement | MFL | Broward | 56 min |
| May 19, 3:12 PM EDT | Special Weather Statement | MFL | Palm Beach | 48 min |
| May 19, 3:16 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 44 min |
| May 19, 3:35 PM EDT | Special Marine Warning | MFL | 43 min | |
| May 19, 3:47 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 16 min |
| May 19, 3:54 PM EDT | Special Weather Statement | MFL | Monroe | 36 min |
| May 19, 4:29 PM EDT | Special Weather Statement | MFL | Monroe | 61 min |
| May 19, 4:31 PM EDT | Special Weather Statement | MFL | Miami-Dade | 44 min |
| May 19, 4:32 PM EDT | Special Weather Statement | MFL | Broward | 43 min |
| May 19, 4:34 PM EDT | Special Marine Warning | MFL | 86 min | |
| May 19, 4:34 PM EDT | Special Weather Statement | MFL | Hendry | 41 min |
| May 19, 4:40 PM EDT | Special Weather Statement | MFL | Hendry | 50 min |
| May 19, 4:52 PM EDT | Severe Thunderstorm Warning | MFL | Collier, Hendry | 18 min |
| May 19, 5:23 PM EDT | Special Weather Statement | MFL | Hendry | 52 min |
| May 19, 5:32 PM EDT | Severe Thunderstorm Warning | MFL | Collier, Hendry | 43 min |
| May 19, 5:39 PM EDT | Special Weather Statement | MFL | Glades | 51 min |
| May 19, 6:03 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Collier, Hendry | 42 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.