Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 2, NWS Miami, FL

March 19, 2001Broward County, Florida

NWS Miami, FL issued this tornado warning at Mar 19, 2001, 4:26 PM EST for Broward County, Florida. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Mar 19, 2001, 4:26 PM EST (21:26 UTC)
Expired: Mar 19, 2001, 5:00 PM EST
In force: 34 min
Issued by: NWS Miami, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Broward County, FL

The radar

The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 21:26 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.

What was reported inside it

Time	Report	Where	Remark
Mar 19, 4:45 PM EST	Hail 0.8	Oakland Park, FL	Nickel-size hail was observed.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 9.4 hours before the alert went out and 33 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: 1036 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 719 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMFL 192128
TORMIA
FLC011-192200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
426 PM EST MON MAR 19 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BROWARD COUNTY IN SOUTHEAST FLORIDA

* UNTIL 500 PM EST

* AT 426 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
  DEVELOPING TORNADO BETWEEN PLANTATION AND DAVIE...MOVING EAST AT   
  15 MPH.

* THIS POSSIBLE TORNADO IS MOVING TOWARD THE FORT LAUDERDALE DANIA   
  AND HOLLYWOOD AREAS OF BROWARD COUNTY.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 2615 8034 2600 8027 2601 8015 2627 8012

.END

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 19, 1:26 PM EST	Severe Thunderstorm Warning	MFL	Broward, Palm Beach	64 min
Mar 19, 2:22 PM EST	Severe Thunderstorm Warning	MFL	Broward, Palm Beach	53 min
Mar 19, 3:39 PM EST	Tornado Warning	MFL	Broward	51 min

Nearby

Tornado Warnings in Florida, 2001 Every tornado warning in 2001 Tornadoes in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.