Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Mar 28, 2011, 10:09 AM EDT for Broward County, Palm Beach County, Florida. It was in force for 36 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
- Mar 28, 2011, 10:09 AM EDT (14:09 UTC)
- Expired
- Mar 28, 2011, 10:45 AM EDT
- In force
- 36 min
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 101 km from the middle of the area, began a volume at 14:12 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, 2.2 hours before the alert went out and 76 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
- 611 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1128 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Miami, FL wrote its last area forecast discussion before this special weather statement went out at Mar 28, 7:37 AM EDT, 2 hours 32 minutes earlier.
Area forecast discussion, Mar 28, 7:37 AM EDT, 2 hours 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 737 AM EDT MON MAR 28 2011 .AVIATION... THROUGH THE MID-MORNING HOURS VFR CONDITIONS EXPECTED TO PREVAIL ACROSS S. FL TERMINALS. SO FAR ACTIVE CONVECTION IS TAKING PLACE JUST NORTH OF THE REGION...BUT IS EXPECTED TO START LOCALLY BETWEEN 14Z AND 16Z FOR ALL TERMINALS. IN GENERAL THE SYNOPTIC WIND FLOW WILL BE SOUTHERLY...WITH THE WEST AND EAST COAST SEA BREEZES TRYING TO TAKE HOLD BY LATE MORNING. ALL TERMINALS ASSIGNED VCTS BY 16Z. WITH THE OCCURRENCE OF SHOWERS AND/OR THUNDERSTORMS THERE COULD BE BRIEF PERIODS OF MVFR OR EVEN IFR CONDITIONS BUT NOT EXPECTED TO PREVAIL FOR ANY CONSIDERABLE TIME. && .PREV DISCUSSION... /ISSUED 321 AM EDT MON MAR 28 2011/ ..THE GFS/ECMWF FINALLY COMING TO SOME AGREEMENT. NOW IT APPEARS THAT A LONG WAVE TROUGH MOVES OVER THE E U.S. WITH THE ASSOCIATED COLD FRONT MOVING THROUGH S FLA. SHOWERS AND THUNDER EXPECTED THEN WITH DRY WEATHER NEXT WEEKEND WITH MORE NORMAL TEMPS FOR THIS TIME OF YEAR. MARINE...WINDS AT OR BELOW 15 KTS AND SEAS AT OR BELOW 4 FEET TODAY THROUGH WEDNESDAY. WINDS INCREASE THURSDAY AHEAD OF THE FRONT FRIDAY AND CAUTION STATEMENTS AND/OR ADVISORIES MAY BE REQUIRED. FIRE WEATHER...WITH INCREASED CLOUDINESS AND SOME RAINFALL...COOLER TEMPERATURES AND HIGHER DEW POINTS LEAD TO HIGHER RH VALUES. NO HIGH LIGHTS EXPECTED. SOME THUNDERSTORMS THOUGH THE NEXT COUPLE OF DAYS LEAD TO CONCERN OF LIGHTNING STRIKES IN THE DRY VEGETATION ACROSS SOUTH FLORIDA. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 86 70 85 70 / 50 40 50 20 FORT LAUDERDALE 85 71 86 72 / 40 40 40 20 MIAMI 87 70 86 73 / 30 40 30 20 NAPLES 85 70 85 69 / 50 50 40 20 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && DISCUSSION/MARINE...54/BNB AVIATION/RADAR/FIRE...55/CWC
Hazardous weather outlook, Mar 28, 7:35 AM EDT, 2 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 735 AM EDT MON MAR 28 2011 FLZ063-066>075-168-172>174-290245- GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE- METRO MIAMI DADE-MAINLAND MONROE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE- 735 AM EDT MON MAR 28 2011 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF SOUTH FLORIDA... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS SOUTH FLORIDA AND ADJACENT WATERS TODAY AND TONIGHT. A FEW OF THESE STORMS COULD BECOME SEVERE WITH STRONG DAMAGING WINDS, ESPECIALLY ACROSS GLADES, HENDRY, COLLIER, PALM BEACH AND BROWARD COUNTIES. EXCESSIVE LIGHTNING IS ALSO EXPECTED WITH THESE STORMS. WATERSPOUTS: A FEW WATERSPOUTS COULD DEVELOP OVER THE NEAR SHORE GULF WATERS AND ATLANTIC WATERS AS THUNDERSTORMS MOVE ACROSS SOUTH FLORIDA TODAY. WIND: WITH THE OCCURRENCE OF A THUNDERSTORM, GUSTY WINDS TO NEAR 40 TO 50 MPH MAY BE POSSIBLE. WIND GUSTS IN EXCESS OF 60 MPH COULD OCCUR WITH ANY SEVERE THUNDERSTORM THAT DEVELOPS. HAIL: HAIL UP TO ONE INCH CAN OCCUR WITH ANY SEVERE THUNDERSTORM THAT DEVELOPS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SOME THUNDERSTORMS CAN BE EXPECTED ACROSS SOUTH FLORIDA TUESDAY THROUGH FRIDAY WITH THE MAIN THREAT OCCASIONAL LIGHTNING STRIKES. ON TUESDAY AND FRIDAY THE THUNDERSTORMS ARE EXPECTED TO BE MORE SCATTERED IN NATURE. .SPOTTER INFORMATION STATEMENT... WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER INDIVIDUAL SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND, HAIL AND FLOODING TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
In the hours before
Special weather statement, Mar 28, 8:21 AM EDT, 1 hour 48 minutes before
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</html>Special weather statement, Mar 28, 9:01 AM EDT, 1 hour 8 minutes before
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</html>Special weather statement, Mar 28, 9:26 AM EDT, 43 minutes before
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</html>Special weather statement, Mar 28, 10:09 AM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 6:30 AM EDT | Special Marine Warning | MFL | 60 min | |
| Mar 28, 7:40 AM EDT | Special Weather Statement | MFL | Palm Beach | 35 min |
| Mar 28, 7:54 AM EDT | Special Weather Statement | MFL | Hendry | 36 min |
| Mar 28, 8:21 AM EDT | Special Weather Statement | MFL | Palm Beach | 24 min |
| Mar 28, 8:33 AM EDT | Special Weather Statement | MFL | Collier, Palm Beach | 27 min |
| Mar 28, 8:41 AM EDT | Special Marine Warning | MFL | 64 min | |
| Mar 28, 8:54 AM EDT | Special Weather Statement | MFL | Palm Beach | 36 min |
| Mar 28, 9:01 AM EDT | Special Weather Statement | MFL | Collier, Palm Beach | 29 min |
| Mar 28, 9:26 AM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 49 min |
| Mar 28, 9:41 AM EDT | Special Marine Warning | MFL | 64 min | |
| Mar 28, 10:36 AM EDT | Special Marine Warning | MFL | 54 min | |
| Mar 28, 11:23 AM EDT | Special Marine Warning | MFL | 67 min | |
| Mar 28, 4:49 PM EDT | Special Weather Statement | MFL | Broward | 26 min |
| Mar 28, 6:25 PM EDT | Special Weather Statement | MFL | Broward | 35 min |
| Mar 28, 6:30 PM EDT | Special Marine Warning | MFL | 45 min | |
| Mar 28, 6:55 PM EDT | Special Weather Statement | MFL | Broward | 35 min |
| Mar 28, 6:58 PM EDT | Special Marine Warning | MFL | 62 min | |
| Mar 28, 7:20 PM EDT | Special Weather Statement | MFL | Broward | 55 min |
| Mar 28, 7:58 PM EDT | Special Marine Warning | MFL | 62 min |
Nearby
Special Weather Statements in Florida, 2011Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.