Alert archive / Florida / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 33, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jun 13, 2011, 6:54 PM EDT for Palm Beach County, Florida. It was in force for 38 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 13, 2011, 6:54 PM EDT (22:54 UTC)
- Expired
- Jun 13, 2011, 7:32 PM EDT
- In force
- 38 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
County Palm Beach County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 13, 7:15 PM EDT | HAIL 1 | 1 S Caloosa, FL | QUARTER SIZE HAIL ON BEE LINE RD SOUTH OF 706/INDIAN TOWN RD. EXACT LOCATION WAS UNKNOWN SO LOCATION HAS BEEN UPDATED AFTER A CLOSE ANALYSIS OF RADAR DATA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 10.9 hours before the alert went out and 107 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
- 1415 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
475 WUUS52 KMFL 132254 SVRMFL FLC099-140000- /O.NEW.KMFL.SV.W.0033.110613T2254Z-110614T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 654 PM EDT MON JUN 13 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA. * UNTIL 800 PM EDT * AT 651 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES WEST OF LION COUNTRY SAFARI...AND MOVING NORTHEAST AT 25 MPH. ADDITIONAL THUNDERSTORMS WERE QUICKLY DEVELOPING IN THE LION COUNTRY SAFARI AREA AND WILL QUICKLY BECOME SEVERE. * THE STORM WILL AFFECT... LION COUNTRY SAFARI... ROYAL PALM BEACH... NORTH PALM BEACH GENERAL AIRPORT... AND SURROUNDING COMMUNITIES. LAT...LON 2692 8013 2653 8022 2660 8055 2692 8055 TIME...MOT...LOC 2253Z 238DEG 21KT 2675 8045 $$ GREGORIA
2 follow-up statements
578 WWUS52 KMFL 132320 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 720 PM EDT MON JUN 13 2011 FLC099-140000- /O.CON.KMFL.SV.W.0033.000000T0000Z-110614T0000Z/ PALM BEACH FL- 720 PM EDT MON JUN 13 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR NORTH CENTRAL PALM BEACH COUNTY... AT 716 PM EDT...A SEVERE THUNDERSTORM WILL CONTINUE TO MOVE THROUGH CALOOSA AND INTO THE JUPITER FARMS AREA. 60 MPH WINDS AND QUARTER SIZE HAIL HAS BEEN REPORTED WITH THIS STORM. THIS STORM WAS LOCATED MOVING NORTHEAST AT 35 MPH. SEVERE THUNDERSTORMS CAN PRODUCE VERY STRONG WINDS IN EXCESS OF 60 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 2692 8013 2673 8019 2673 8039 2692 8045 TIME...MOT...LOC 2318Z 234DEG 30KT 2688 8025 $$ GREGORIA
081 WWUS52 KMFL 132332 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 732 PM EDT MON JUN 13 2011 FLC099-132342- /O.CAN.KMFL.SV.W.0033.000000T0000Z-110614T0000Z/ PALM BEACH FL- 732 PM EDT MON JUN 13 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PALM BEACH COUNTY IS CANCELLED... NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA. THUS...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. LAT...LON 2692 8013 2673 8019 2673 8039 2692 8045 TIME...MOT...LOC 2332Z 234DEG 30KT 2695 8014 $$ GREGORIA
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 3:22 PM EDT | Special Weather Statement | MFL | Miami-Dade | 23 min |
| Jun 13, 3:46 PM EDT | Special Weather Statement | MFL | Miami-Dade | 29 min |
| Jun 13, 3:56 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 14 min |
| Jun 13, 4:05 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 47 min |
| Jun 13, 4:13 PM EDT | Special Weather Statement | MFL | Miami-Dade | 32 min |
| Jun 13, 4:35 PM EDT | Special Weather Statement | MFL | Broward | 25 min |
| Jun 13, 4:45 PM EDT | Special Weather Statement | MFL | Glades | 45 min |
| Jun 13, 5:17 PM EDT | Special Weather Statement | MFL | Hendry | 28 min |
| Jun 13, 5:19 PM EDT | Special Marine Warning | MFL | 56 min | |
| Jun 13, 5:53 PM EDT | Special Weather Statement | MFL | Palm Beach | 37 min |
| Jun 13, 6:11 PM EDT | Special Weather Statement | MFL | Palm Beach | 34 min |
| Jun 13, 6:16 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 29 min |
| Jun 13, 6:37 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 38 min |
| Jun 13, 6:39 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| Jun 13, 7:05 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 26 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.