Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 18, NWS Miami, FL

March 23, 2008Broward County, Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Mar 23, 2008, 3:19 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 26 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 23, 2008, 3:19 PM EDT (19:19 UTC)
Expired: Mar 23, 2008, 3:45 PM EDT
In force: 26 min
Issued by: NWS Miami, FL
Area: Storm-based polygon

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 77 km from the middle of the area, began a volume at 19:19 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, 7.3 hours before the alert went out and 51 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 909 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 791 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KMFL 231921
TORMFL
FLC011-099-231945-
/O.NEW.KMFL.TO.W.0018.080323T1919Z-080323T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
319 PM EDT SUN MAR 23 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BROWARD COUNTY IN SOUTH FLORIDA.
  SOUTH CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA.

* UNTIL 345 PM EDT

* AT 319 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
  CORAL SPRINGS...MOVING EAST AT 25 MPH.

  THIS STORM IS ALSO CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.

* THE TORNADO WILL BE NEAR...

  CORAL SPRINGS AND PARKLAND BY 330 PM EDT.
  TAMARAC BY 335 PM EDT.
  MARGATE...NORTH LAUDERDALE...AND COCONUT CREEK BY 340 PM EDT.
  

AND SURROUNDING COMMUNITIES.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR COULD POSSIBLY DEVELOP ANYTIME. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE
PROTECTION FROM TORNADIC WINDS. VEHICLES STOPPED UNDER BRIDGES BLOCK
TRAFFIC AND PREVENT PEOPLE FROM GETTING OUT OF THE STORMS PATH AND
TO SHELTER. IF YOU CANNOT DRIVE AWAY FROM THE TORNADO...GET OUT OF
YOUR VEHICLE AND LIE FLAT IN A DITCH AS A LAST RESORT.

LAT...LON 2617 8015 2610 8019 2615 8034 2622 8048
      2641 8041 2641 8029 2640 8023 2639 8018
      2636 8010 2631 8012
TIME...MOT...LOC 1919Z 289DEG 22KT 2628 8035

$$

GS

1 follow-up statement

000
WWUS52 KMFL 231945
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
344 PM EDT SUN MAR 23 2008

FLC011-099-231954-
/O.EXP.KMFL.TO.W.0018.000000T0000Z-080323T1945Z/
PALM BEACH FL-BROWARD FL-
344 PM EDT SUN MAR 23 2008

...THE TORNADO WARNING FOR NORTHEASTERN BROWARD AND SOUTH CENTRAL
PALM BEACH COUNTIES WILL EXPIRE AT 345 PM EDT...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE POSSIBLE TORNADO 
HAS DISSIPATED...AND THE THUNDERSTORM ITSELF HAS BEGUN TO WEAKEN. 
THUS THE TORNADO WARNING WILL EXPIRE AT 345 PM EDT.

THUNDERSTORMS REMAIN IN THE AREA. FREQUENT LIGHTNING...GUSTY WINDS TO
50 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 2617 8015 2610 8019 2615 8034 2622 8048
      2641 8041 2641 8029 2640 8023 2639 8018
      2636 8010 2631 8012
TIME...MOT...LOC 1944Z 289DEG 22KT 2623 8019

$$

GS

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 23, 12:33 AM EDT	Special Weather Statement	MFL	Glades	27 min
Mar 23, 1:00 AM EDT	Special Weather Statement	MFL	Glades	30 min
Mar 23, 7:36 AM EDT	Special Marine Warning	MFL		54 min
Mar 23, 10:41 AM EDT	Special Marine Warning	MFL		53 min
Mar 23, 1:13 PM EDT	Special Weather Statement	MFL	Hendry	62 min
Mar 23, 1:44 PM EDT	Special Weather Statement	MFL	Miami-Dade	46 min
Mar 23, 2:06 PM EDT	Special Weather Statement	MFL	Palm Beach	39 min
Mar 23, 2:19 PM EDT	Special Marine Warning	MFL		41 min
Mar 23, 2:38 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Palm Beach	52 min
Mar 23, 3:06 PM EDT	Special Marine Warning	MFL		54 min
Mar 23, 4:02 PM EDT	Fire Weather Watch	MFL	Broward, Collier, Miami-Dade, Monroe	37 hr
Mar 23, 4:24 PM EDT	Areal Flood Advisory	MFL	Broward	66 min
Mar 23, 5:26 PM EDT	Special Marine Warning	MFL		49 min

Nearby

Tornado Warnings in Florida, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.