Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 12, NWS Miami, FL

September 14, 2001Hendry County, Florida

NWS Miami, FL issued this tornado warning at Sep 14, 2001, 7:10 AM EDT for Hendry County, Florida. It was in force for 20 min. No storm report in the archive falls 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.

The facts

Issued
Sep 14, 2001, 7:10 AM EDT (11:10 UTC)
Expired
Sep 14, 2001, 7:30 AM EDT
In force
20 min
Issued by
NWS Miami, FL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Hendry County, FL

The radar

The Miami radar (KAMX), 103 km from the middle of the area, began a volume at 11:14 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 14, 4:45 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 11.2 hours before the alert went out and 95 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-pSkew-T log-p diagram, Miami, FL at 00:00Z on 2001-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2453 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2001-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2453 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

064 
WFUS52 KMFL 141110
TORMIA
FLC051-141130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
710 AM EDT FRI SEP 14 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN HENDRY COUNTY IN SOUTHERN FLORIDA

* UNTIL 730 AM EDT

* AT 710 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
DEVELOPING TORNADO 6 MILES WEST OF BIG CYPRESS SEMINOLE INDIAN 
RESERVATION...OR ABOUT 23 MILES SOUTH OF DEVILS GARDEN...MOVING 
NORTHEAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 730 AM EDT...  
BIG CYPRESS SEMINOLE INDIAN RESEVATION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT FRIDAY MORNING
FOR SOUTHERN FLORIDA.

LAT...LON 2632 8119 2627 8105 2630 8090 2653 8089

.END

ROTHFUSS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 8:07 AM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach53 min
Sep 14, 8:13 AM EDTSevere Thunderstorm WarningMFLMiami-Dade47 min
Sep 14, 8:56 AM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach34 min

Nearby

Tornado Warnings in Florida, 2001Every tornado warning in 2001Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.