Tornado Warning 17, NWS Miami, FL

499 
WWUS52 KMFL 261153
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
ISSUED BY NATIONAL WEATHER SERVICE KEY WEST FL
753 AM EDT MON APR 26 2010

FLC099-261203-
/O.EXP.KMFL.TO.W.0017.000000T0000Z-100426T1200Z/
PALM BEACH FL-
753 AM EDT MON APR 26 2010

...THE TORNADO WARNING FOR SOUTHERN PALM BEACH COUNTY WILL EXPIRE AT
800 AM EDT...

LAT...LON 2678 8014 2635 8025 2641 8085 2669 8054
TIME...MOT...LOC 1153Z 268DEG 29KT 2663 8028 2651 8041

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
332 AM EDT MON APR 26 2010

.DISCUSSION...COLD FRONT CURRENTLY OVER THE BIG BEND AREA MOVING
SOUTHEAST. THE MAIN CONCERN TODAY IS THE STRENGTH OF THE
CONVECTION OVER OUR CWA TODAY. THE FIRST ACTIVITY THAT HAS STARTED
TO DEVELOP IN ADVANCE OF THE PREFRONTAL ACTIVITY OVER THE LAKE
REGION. ALTHOUGH SURFACE CONVERGENCE IS NOT THAT IMPRESSIVE, UPPER
JET DYNAMICS IS IMPRESSIVE WITH CAPES ALMOST TO 2500 FEET AND LI'S
AS LOW AS NEAR -7. AFTER THE FRONTAL PASSAGE TONIGHT, CLEARING
WILL TAKE PLACE AND SLIGHTLY COOLER TEMPS AT LEAST THROUGH
THURSDAY AND THEN AS A MID LEVEL RIDGE BUILDS OVER THE AREA, TEMPS
WILL WARM WITH SLIGHT CHANCES OF SHOWERS EACH AFTERNOON. TEMPS MAY
GET AS HIGH AS 90.

&&

.MARINE...AFTER SOMEWHAT ELEVATED WINDS TODAY AND TONIGHT, WINDS
WILL BE 15 KNOTS OR LESS. A SCA HAS BEEN ISSUED FOR THE ATLANTIC
WATERS WHERE THE HIGHEST WINDS WILL BE SEEN.

&&

.FIRE WEATHER...NO CONCERNS HERE DUE TO PLENTY OF MOISTURE.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  86  65  83  65 / 70 20 -  -
FORT LAUDERDALE  85  67  84  67 / 70 30 -  -
MIAMI            86  69  85  67 / 70 30 -  -
NAPLES           82  65  82  65 / 70 10 -  -

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...TORNADO WATCH UNTIL 7 AM EDT THIS MORNING FOR COASTAL COLLIER-
     GLADES-HENDRY-INLAND COLLIER.

AM...SMALL CRAFT ADVISORY FROM 11 AM THIS MORNING TO 8 PM EDT THIS
     EVENING FOR THE ATLANTIC COASTAL WATERS OUT TO 60 NM.

     TORNADO WATCH UNTIL 7 AM EDT THIS MORNING FOR LAKE OKEECHOBEE.

GM...TORNADO WATCH UNTIL 7 AM EDT THIS MORNING FOR COASTAL WATERS
     FROM CHOKOLOSKEE TO BONITA BEACH, FL OUT 20 NM.

&&

LONG TERM...18/GR
SHORT TERM/AVIATION...65/GS

HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
418 AM EDT MON APR 26 2010

FLZ063-066>075-168-172>174-271000-
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-
418 AM EDT MON APR 26 2010

...TORNADO WATCH 107 GLADES, HENDRY, COLLIER COUNTIES TIL 7 AM...
...STRONG TO LOCALLY SEVERE STORMS POSSIBLE ALL OF SOUTH FLORIDA...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TONIGHT

THUNDERSTORMS: THUNDERSTORMS ARE LIKELY ACROSS ALL OF SOUTH
FLORIDA TODAY. ANY THUNDERSTORM COULD PRODUCE FREQUENT
LIGHTNING, VERY HEAVY RAINFALL, STRONG WIND GUSTS AND SMALL HAIL.
ADDITIONALLY THERE IS AN ISOLATED TORNADO THREAT ACROSS THE REGION.

TORNADOES: THE STRONGEST STORMS MAY BE CAPABLE OF PRODUCING AN
ISOLATED, BRIEF TORNADO OR TWO ACROSS SOUTH FLORIDA TODAY.

WIND: ISOLATED SEVERE WIND GUSTS ARE POSSIBLE WITH THE STRONGEST
THUNDERSTORMS TODAY. THESE WIND GUSTS COULD BRIEFLY TOP 58 MPH.

HAIL: THE STRONGEST STORMS MAY PRODUCE SMALL HAIL UP TO PENNY SIZE
ACROSS THE REGION TODAY.

WATERSPOUTS: WATERSPOUTS MAY FORM WITH LITTLE OR NO WARNING ACROSS
ANY OF THE COASTAL WATERS TODAY. THE BIGGEST THREAT FOR LAKE
OKEECHOBEE WILL BE THIS MORNING.

FLOODING: LOCALLY HEAVY RAINFALL IS LIKELY WITH THUNDERSTORMS AS
THEY PROGRESS SOUTHEAST TODAY. THESE RAINS MAY CAUSE LOCALIZED
STREET FLOODING AS WELL AS FLOODING OF URBAN AND POOR DRAINAGE
AREAS. THIS MAY BE ESPECIALLY LIKELY FROM PALM BEACH COUNTY
THROUGH GLADES AND HENDRY COUNTIES THIS MORNING.

RIP CURRENTS: SOUTHWESTERLY WINDS OF 10 TO 20 MPH WILL LEAD TO A
MODERATE RISK OF RIP CURRENTS AT THE GULF COAST BEACHES TODAY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS ANTICIPATED AT THIS TIME.

.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.

STRASSBERG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
459 AM EDT MON APR 26 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 AM     TSTM WND DMG     MOORE HAVEN             26.83N 81.10W
04/26/2010                   GLADES             FL   LAW ENFORCEMENT

            GLADES COUNTY SHERRIFF REPORTED A TREE DOWN IN MOORE
            HAVEN ALONG WITH WIDESPREAD POWER OUTAGES.

&&

STRASSBERG

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
513 AM EDT MON APR 26 2010

FLZ063-261000-
GLADES-
513 AM EDT MON APR 26 2010

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 50 MPH FOR NORTHERN GLADES COUNTY...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A LARGE AREA OF
SHOWERS WITH EMBEDDED THUNDERSTORMS MOVING NORTHEAST NEAR 25 MPH.
THESE THUNDERSTORMS WILL AFFECT PALMDALE...LAKEPORT...AND BUCKHEAD
RIDGE.

EXPECT FREQUENT LIGHTNING...GUSTY WINDS AROUND 50 MPH...PEA-SIZED
HAIL...AND TORRENTIAL DOWNPOURS. A WARNING WILL BE ISSUED IF THIS
THUNDERSTORM ACTIVITY STRENGTHENS.

THE PRIMARY IMPACTS WILL BE FREQUENT LIGHTNING AND GUSTY WINDS OF 40
TO 50 MPH...WHICH CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW
AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL
THE STORM PASSES.

04

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
ISSUED BY NATIONAL WEATHER SERVICE KEY WEST FL
527 AM EDT MON APR 26 2010

FLZ066>068-071-072-168-172-261030-
COASTAL BROWARD COUNTY-COASTAL PALM BEACH COUNTY-HENDRY-INLAND
BROWARD COUNTY-INLAND PALM BEACH COUNTY-METRO BROWARD COUNTY-METRO
PALM BEACH COUNTY-
527 AM EDT MON APR 26 2010

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH FOR SOUTHEASTERN HENDRY...SOUTHERN PALM
BEACH...AND BROWARD COUNTIES...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THE LEADING EDGE OF
STRONG THUNDERSTORMS SAGGING SOUTHWARD THROUGH HENDRY AND SOUTHERN
PALM BEACH COUNTIES. ADDITIONAL STRONG STORMS ARE INTENSIFYING IN
BROWARD COUNTY AHEAD OF THIS LEADING EDGE.

THE PRIMARY IMPACTS WILL BE FREQUENT LIGHTNING AND GUSTY WINDS OF 45
TO 55 MPH...WHICH CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW
AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL
THESE STORMS PASS.

FOR ADDITIONAL INFORMATION VISIT THE MIAMI NATIONAL WEATHER SERVICE
WEBSITE AT MIAMIWEATHER.INFO. FOR INFORMATION IN SPANISH, VISIT OUR
WEBSITE AT ELTIEMPOENMIAMI.INFO.

04

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
ISSUED BY NATIONAL WEATHER SERVICE KEY WEST FL
608 AM EDT MON APR 26 2010

FLZ063-066-261100-
GLADES-HENDRY-
608 AM EDT MON APR 26 2010

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH FOR GLADES AND HENDRY COUNTIES...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A LARGE AREA OF
SHOWERS WITH EMBEDDED THUNDERSTORMS APPROACHING THE WESTERN PORTION
OF GLADES AND HENDRY COUNTIES. THE STORMS ARE MOVING EASTWARD AROUND
25 MPH.

THE PRIMARY IMPACTS WILL BE FREQUENT LIGHTNING AND GUSTY WINDS OF 45
TO 55 MPH...WHICH CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW
AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL
THE STORM PASSES.

HEAVY DOWNPOURS ARE ALSO EXPECTED...WITH RAINFALL RATES OF THREE
QUARTERS TO ONE INCH OF RAINFALL PER HOUR. EXPECT PONDING OF WATER
ON ROADWAYS AND POOR DRAINAGE AREAS WITH THESE HEAVY DOWNPOURS.

RESIDENTS NEAR THE PATH OF THIS STORM SHOULD REMAIN ALERT FOR
ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

04

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
651 AM EDT MON APR 26 2010

FLZ066-069-070-261145-
COASTAL COLLIER COUNTY-HENDRY-INLAND COLLIER COUNTY-
651 AM EDT MON APR 26 2010

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH FOR HENDRY AND NORTHERN COLLIER COUNTIES...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A LARGE AREA OF
STRONG THUNDERSTORMS ENTERING THE WESTERN PORTION OF HENDRY COUNTY
AND INTO THE NORTHERN PORTIONS OF COLLIER COUNTY.

EXPECT FREQUENT LIGHTNING...GUSTY WINDS TO 55 MPH...PEA-SIZED HAIL...
AND TORRENTIAL DOWNPOURS. A WARNING WILL BE ISSUED IF THIS AREA OF
THUNDERSTORMS STRENGTHENS.

THE STRONG WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW
AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING
UNTIL THE STORM PASSES.

HEAVY DOWNPOURS ARE ALSO EXPECTED...WITH RAINFALL RATES OF THREE
QUARTERS TO ONE INCH OF RAINFALL PER HOUR. EXPECT PONDING OF WATER
ON ROADWAYS AND POOR DRAINAGE AREAS WITH THESE HEAVY DOWNPOURS.

RESIDENTS NEAR THE PATH OF THIS STORM SHOULD REMAIN ALERT FOR
ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.

04

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
ISSUED BY NATIONAL WEATHER SERVICE KEY WEST FL
714 AM EDT MON APR 26 2010

FLZ067-261215-
INLAND PALM BEACH COUNTY-
714 AM EDT MON APR 26 2010

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH FOR THE SOUTHERN PORTION OF PALM BEACH
COUNTY...

EXPECT FREQUENT LIGHTNING...GUSTY WINDS TO 55 MPH...PEA-SIZED HAIL...
AND TORRENTIAL DOWNPOURS. A WARNING WILL BE ISSUED IF THIS
THUNDERSTORM ACTIVITY STRENGTHENS. THE STORMS ARE MOVING EASTWARD
AROUND 25 MPH.

THE PRIMARY IMPACTS WILL BE FREQUENT LIGHTNING AND GUSTY WINDS OF 45
TO 55 MPH...WHICH CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW
AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL
THE STORM PASSES.

HEAVY DOWNPOURS ARE ALSO EXPECTED...WITH RAINFALL RATES OF THREE
QUARTERS TO ONE INCH OF RAINFALL PER HOUR. EXPECT PONDING OF WATER
ON ROADWAYS AND POOR DRAINAGE AREAS WITH THESE HEAVY DOWNPOURS.

RESIDENTS NEAR THE PATH OF THESE STORMS SHOULD REMAIN ALERT FOR
ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.

04