Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 73, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jun 9, 2012, 2:16 AM EDT for Collier County, Glades County, Hendry County, Florida. It was in force for 59 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
- Jun 9, 2012, 2:16 AM EDT (06:16 UTC)
- Expired
- Jun 9, 2012, 3:15 AM EDT
- In force
- 59 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
Counties Collier County, FL, Glades County, FL, Hendry County, FL
The radar
The Miami radar (KAMX), 144 km from the middle of the area, began a volume at 06:15 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 00:00Z, 6.3 hours before the alert went out and 136 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
- 1020 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 976 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
837
WUUS52 KMFL 090616
SVRMFL
FLC021-043-051-090715-
/O.NEW.KMFL.SV.W.0073.120609T0616Z-120609T0715Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
216 AM EDT SAT JUN 9 2012
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL GLADES COUNTY IN SOUTH FLORIDA.
WESTERN HENDRY COUNTY IN SOUTH FLORIDA.
NORTHWESTERN COLLIER COUNTY IN SOUTH FLORIDA.
* UNTIL 315 AM EDT
* AT 209 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM 4 MILES NORTHEAST OF MUSE TO BIG CORKSCREW
ISLAND TO 4 MILES SOUTHWEST OF SOUTH NAPLES...AND MOVING EAST AT 25
MPH.
* THE LINE OF STORMS WILL AFFECT...
LA BELLE...
FELDA...
AVE MARIA...
PALMDALE...
ORTONA...
LAKEPORT...
AND SURROUNDING COMMUNITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES AND
AVOID WATER. MOVE INDOORS OR INSIDE A VEHICLE IF POSSIBLE. AVOID
USING THE TELEPHONE UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG
UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.
&&
LAT...LON 2639 8153 2688 8150 2703 8109 2690 8110
2689 8111 2689 8110 2608 8116 2607 8180
TIME...MOT...LOC 0616Z 270DEG 20KT 2688 8142 2634 8149
2608 8175
$$
JR1 follow-up statement
018
WWUS52 KMFL 090714
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
314 AM EDT SAT JUN 9 2012
FLC021-043-051-090722-
/O.EXP.KMFL.SV.W.0073.000000T0000Z-120609T0715Z/
HENDRY FL-GLADES FL-COLLIER FL-
314 AM EDT SAT JUN 9 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN COLLIER...SOUTH
CENTRAL GLADES AND WESTERN HENDRY COUNTIES WILL EXPIRE AT 315 AM
EDT...
NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM HAS
MOVED OUT OF THE WARNED AREA. THUS THE THUNDERSTORM WARNING WILL
EXPIRE AT 315 AM EDT.
THUNDERSTORMS THOUGH REMAIN IN THE AREA. OCCASIONAL
LIGHTNING...GUSTY WINDS TO 40 MPH...LOCALLY VERY HEAVY RAINFALL AND
SMALL HAIL ARE STILL POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR
LOCAL MEDIA FOR THE LATEST UPDATES.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 AM EDT
SATURDAY MORNING FOR SOUTHERN FLORIDA.
LAT...LON 2639 8153 2688 8150 2703 8109 2690 8110
2689 8111 2689 8110 2608 8116 2607 8180
TIME...MOT...LOC 0712Z 270DEG 20KT 2688 8107 2634 8114
2608 8140
$$
JRThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 12:32 AM EDT | Special Marine Warning | MFL | 118 min | |
| Jun 9, 1:34 AM EDT | Severe Thunderstorm Warning | MFL | Collier | 41 min |
| Jun 9, 1:52 AM EDT | Tornado Warning | MFL | Collier | 23 min |
| Jun 9, 2:01 AM EDT | Special Marine Warning | MFL | 59 min | |
| Jun 9, 2:09 AM EDT | Special Weather Statement | MFL | Glades | 36 min |
| Jun 9, 2:55 AM EDT | Special Marine Warning | MFL | 73 min | |
| Jun 9, 3:03 AM EDT | Special Marine Warning | MFL | 81 min | |
| Jun 9, 3:41 AM EDT | Special Weather Statement | MFL | Collier | 34 min |
| Jun 9, 3:08 PM EDT | Special Weather Statement | MFL | Broward | 52 min |
| Jun 9, 3:14 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 30 min |
| Jun 9, 3:17 PM EDT | Special Weather Statement | MFL | Martin | 28 min |
| Jun 9, 3:29 PM EDT | Special Weather Statement | MFL | Glades | 31 min |
| Jun 9, 3:30 PM EDT | Special Marine Warning | MFL | 90 min | |
| Jun 9, 3:46 PM EDT | Special Weather Statement | MFL | Palm Beach | 29 min |
| Jun 9, 3:57 PM EDT | Special Weather Statement | MFL | Glades | 48 min |
| Jun 9, 4:05 PM EDT | Areal Flood Advisory | MFL | Broward | 34 min |
| Jun 9, 4:58 PM EDT | Special Marine Warning | MFL | 47 min | |
| Jun 9, 5:19 PM EDT | Special Weather Statement | MFL | Broward | 41 min |
| Jun 9, 6:45 PM EDT | Special Weather Statement | MFL | Collier | 45 min |
| Jun 9, 7:22 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 38 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.