Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 124, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Aug 1, 2012, 6:44 PM EDT for Glades County, Florida. It was in force for 31 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
- Aug 1, 2012, 6:44 PM EDT (22:44 UTC)
- Expired
- Aug 1, 2012, 7:15 PM EDT
- In force
- 31 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
County Glades County, FL
The radar
The Melbourne radar (KMLB), 113 km from the middle of the area, began a volume at 22:44 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, 10.7 hours before the alert went out and 152 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
- 1989 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 701 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -51 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
525
WUUS52 KMFL 012244
SVRMFL
FLC043-012315-
/O.NEW.KMFL.SV.W.0124.120801T2244Z-120801T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
644 PM EDT WED AUG 1 2012
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN GLADES COUNTY IN SOUTH FLORIDA.
* UNTIL 715 PM EDT
* AT 643 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES
NORTHWEST OF BUCKHEAD RIDGE...AND MOVING NORTHEAST AT 20 MPH.
* THE STORM WILL AFFECT...
BUCKHEAD RIDGE...
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.
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 2719 8090 2717 8090 2717 8088 2714 8087
2708 8093 2708 8094 2707 8093 2698 8108
2712 8118 2713 8117 2721 8117 2722 8116
2722 8095
TIME...MOT...LOC 2244Z 238DEG 18KT 2718 8098
$$
102 follow-up statements
391
WWUS52 KMFL 012304
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
704 PM EDT WED AUG 1 2012
FLC043-012315-
/O.CON.KMFL.SV.W.0124.000000T0000Z-120801T2315Z/
GLADES FL-
704 PM EDT WED AUG 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHEASTERN GLADES COUNTY...
AT 701 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED. LARGE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES
NORTH OF BUCKHEAD RIDGE...MOVING NORTHEAST AT 20 MPH.
SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 58
MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY
INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
LAT...LON 2719 8090 2717 8090 2717 8088 2714 8087
2708 8093 2708 8094 2707 8093 2705 8107
2712 8118 2713 8117 2721 8117 2722 8116
2722 8095
TIME...MOT...LOC 2304Z 238DEG 18KT 2723 8088
$$
10906
WWUS52 KMFL 012315
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
715 PM EDT WED AUG 1 2012
FLC043-012324-
/O.EXP.KMFL.SV.W.0124.000000T0000Z-120801T2315Z/
GLADES FL-
715 PM EDT WED AUG 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GLADES COUNTY
WILL EXPIRE AT 715 PM EDT...
NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS
WEAKENED. THUS THE THUNDERSTORM WARNING WILL EXPIRE AT 715 PM EDT.
HOWEVER, THIS STORM IS STILL CAPABLE OF PRODUCING GUSTY WINDS
OF 40 TO 50 MPH AND SMALL HAIL.
LAT...LON 2719 8090 2717 8090 2717 8088 2714 8087
2708 8093 2708 8094 2707 8093 2705 8107
2712 8118 2713 8117 2721 8117 2722 8116
2722 8095
TIME...MOT...LOC 2314Z 238DEG 18KT 2726 8083
$$The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:38 PM EDT | Special Weather Statement | MFL | Miami-Dade | 37 min |
| Aug 1, 4:16 PM EDT | Special Weather Statement | MFL | Miami-Dade | 59 min |
| Aug 1, 4:38 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 32 min |
| Aug 1, 4:54 PM EDT | Special Weather Statement | MFL | Broward | 51 min |
| Aug 1, 5:24 PM EDT | Special Weather Statement | MFL | Broward | 51 min |
| Aug 1, 5:29 PM EDT | Special Weather Statement | MFL | Palm Beach | 46 min |
| Aug 1, 5:32 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 43 min |
| Aug 1, 6:00 PM EDT | Special Marine Warning | MFL | 60 min | |
| Aug 1, 6:12 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 19 min |
| Aug 1, 6:28 PM EDT | Special Weather Statement | MFL | Palm Beach | 47 min |
| Aug 1, 6:29 PM EDT | Special Marine Warning | MFL | 61 min | |
| Aug 1, 6:38 PM EDT | Special Weather Statement | MFL | Glades | 52 min |
| Aug 1, 7:06 PM EDT | Special Weather Statement | MFL | Hendry | 39 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.