Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 134, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Aug 22, 2012, 5:58 PM EDT for Hendry County, Palm Beach County, Florida. It was in force for 32 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 22, 2012, 5:58 PM EDT (21:58 UTC)
- Expired
- Aug 22, 2012, 6:30 PM EDT
- In force
- 32 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
Counties Hendry County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 116 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 102 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
- 1560 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1041 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
762
WUUS52 KMFL 222158
SVRMFL
FLC051-099-222230-
/O.NEW.KMFL.SV.W.0134.120822T2158Z-120822T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
558 PM EDT WED AUG 22 2012
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA.
EAST CENTRAL HENDRY COUNTY IN SOUTH FLORIDA.
* UNTIL 630 PM EDT
* AT 556 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED OVER EAST CENTRAL HENDRY
COUNTY...AND MOVING NORTHEAST AT 10 MPH.
* THE STORM WILL AFFECT...
RURAL EASTERN HENDRY COUNTY
RURAL WESTERN PALM BEACH COUNTY
AND SURROUNDING COMMUNITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 58
MPH...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 2660 8101 2671 8087 2664 8077 2652 8071
2645 8089 2641 8097 2650 8106
TIME...MOT...LOC 2158Z 231DEG 10KT 2650 8096
$$
602 follow-up statements
144
WWUS52 KMFL 222212
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
612 PM EDT WED AUG 22 2012
FLC051-099-222230-
/O.CON.KMFL.SV.W.0134.000000T0000Z-120822T2230Z/
HENDRY FL-PALM BEACH FL-
612 PM EDT WED AUG 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR WEST CENTRAL PALM BEACH AND EAST CENTRAL HENDRY COUNTIES...
AT 610 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER EAST CENTRAL HENDRY
COUNTY...MOVING NORTHEAST AT 10 MPH.
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
LAT...LON 2660 8101 2671 8087 2664 8077 2652 8071
2645 8089 2641 8097 2650 8106
TIME...MOT...LOC 2211Z 231DEG 10KT 2652 8093
$$
60209
WWUS52 KMFL 222226
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
626 PM EDT WED AUG 22 2012
FLC051-099-222236-
/O.EXP.KMFL.SV.W.0134.000000T0000Z-120822T2230Z/
HENDRY FL-PALM BEACH FL-
626 PM EDT WED AUG 22 2012
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL PALM BEACH AND
EAST CENTRAL HENDRY COUNTIES WILL EXPIRE AT 630 PM EDT...
NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS
WEAKENED. THUS THE THUNDERSTORM WARNING WILL EXPIRE AT 630 PM EDT.
THUNDERSTORMS REMAIN IN THE AREA. FREQUENT LIGHTNING...GUSTY WINDS TO
40 MPH...VERY HEAVY RAINFALL AND SMALL HAIL ARE STILL POSSIBLE. STAY
TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST UPDATES.
LAT...LON 2660 8101 2671 8087 2664 8077 2652 8071
2645 8089 2641 8097 2650 8106
TIME...MOT...LOC 2226Z 231DEG 10KT 2655 8089
$$
60The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 11:21 PM EDT | Special Marine Warning | MFL | 54 min | |
| Aug 21, 11:40 PM EDT | Areal Flood Advisory | MFL | Collier | 110 min |
| Aug 22, 12:46 AM EDT | Special Marine Warning | MFL | 44 min | |
| Aug 22, 2:22 AM EDT | Special Marine Warning | MFL | 38 min | |
| Aug 22, 3:00 AM EDT | Special Marine Warning | MFL | 45 min | |
| Aug 22, 2:31 PM EDT | Special Weather Statement | MFL | Palm Beach | 29 min |
| Aug 22, 3:12 PM EDT | Special Weather Statement | MFL | Palm Beach | 48 min |
| Aug 22, 3:20 PM EDT | Special Weather Statement | MFL | Palm Beach | 55 min |
| Aug 22, 4:00 PM EDT | Special Weather Statement | MFL | Broward | 60 min |
| Aug 22, 4:10 PM EDT | Special Weather Statement | MFL | Collier | 50 min |
| Aug 22, 4:58 PM EDT | Special Weather Statement | MFL | Broward | 47 min |
| Aug 22, 5:13 PM EDT | Special Weather Statement | MFL | Hendry | 47 min |
| Aug 22, 5:39 PM EDT | Special Weather Statement | MFL | Miami-Dade | 51 min |
| Aug 22, 5:43 PM EDT | Special Weather Statement | MFL | Hendry | 62 min |
| Aug 22, 6:23 PM EDT | Special Marine Warning | MFL | 67 min | |
| Aug 22, 6:36 PM EDT | Special Weather Statement | MFL | Hendry | 39 min |
| Aug 22, 7:47 PM EDT | Special Weather Statement | MFL | Collier | 28 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.