Alert archive / Alabama / Tornado Warnings in 2004

Tornado Warning 28, NWS Huntsville, AL

October 18, 2004Limestone County, Alabama

NWS Huntsville, AL issued this tornado warning at Oct 18, 2004, 6:27 PM CDT for Limestone County, Alabama. It was in force for 33 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 18, 2004, 6:27 PM CDT (23:27 UTC)
Expired
Oct 18, 2004, 7:00 PM CDT
In force
33 min
Issued by
NWS Huntsville, AL
Area
Counties, with a storm outline in the text

County Limestone County, AL

The radar

The Northeast Alabama radar (KHTX), 86 km from the middle of the area, began a volume at 23:29 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

TimeReportWhereRemark
Oct 18, 6:27 PM CDTFUNNEL CLOUD2 Wsw Lester, ALNEAR HWY 99.
Oct 18, 6:30 PM CDTTORNADOLester, ALNUMEROUS SPOTTER REPORTS OF ROTATION NEAR LESTER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 18, 3:20 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.5 hours before the alert went out and 137 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, Nashville Metro, TN at 12:00Z on 2004-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2004-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
920 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KHUN 182327
TORHUN
ALC083-190000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
627 PM CDT MON OCT 18 2004

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  LIMESTONE COUNTY IN NORTH CENTRAL ALABAMA

* UNTIL 700 PM CDT

* AT 622 PM CDT...AMATEUR RADIO WEATHER SPOTTERS REPORTED A TORNADO  
  JUST EAST OF THE LAUDERDALE LIMESTONE COUNTY LINE ALONG HIGHWAY    
  99...MOVING EAST AT 25 MPH. THIS WARNING EXTENDS THE EARLIER       
  WARNING.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  ARDMORE.

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU 
SEE OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW.

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING OR GO
UNDERGROUND NOW. MOBILE HOMES...VEHICLES...AND HIGHWAY OVERPASSES ARE
NOT SAFE

A TORNADO WATCH REMAINS IN EFFECT UNTIL 8 PM CDT.

LAT...LON 3500 8720 3499 8679 3493 8679 3493 8689
      3492 8690 3492 8701 3491 8702 3490 8721
      3498 8721

$$

27

The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 18, 3:35 PM CDTTornado WarningHUNColbert, Lauderdale40 min
Oct 18, 4:05 PM CDTTornado WarningHUNColbert, Lauderdale40 min
Oct 18, 4:42 PM CDTTornado WarningHUNLauderdale48 min
Oct 18, 5:28 PM CDTTornado WarningHUNLauderdale47 min
Oct 18, 5:53 PM CDTTornado WarningHUNLimestone37 min
Oct 18, 6:10 PM CDTTornado WarningHUNLauderdale35 min

Nearby

Tornado Warnings in Alabama, 2004Every tornado warning in 2004Tornadoes in 2004

Sources

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