Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 4, NWS Tallahassee, FL

January 2, 2017Houston County, Alabama

NWS Tallahassee, FL issued this tornado warning at Jan 2, 2017, 7:46 PM CST for Houston County, Alabama. It was in force for 29 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
Jan 2, 2017, 7:46 PM CST (01:46 UTC)
Expired
Jan 2, 2017, 8:15 PM CST
In force
29 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Houston County, AL

The radar

The Ft Rucker radar (KEOX), 42 km from the middle of the area, began a volume at 01:49 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
Jan 2, 7:46 PM CSTTORNADO3 Sse Dothan, ALTORNADO TOUCHED DOWN ALONG E. COTTONWOOD ROAD SE OF DOTHAN AL. THE TORNADO TRAVELED EAST FOR APPROXIMATELY 2.6 MILES ALONG MCCALLISTER ROAD BEFORE LIFTING NEAR ROSEWOOD DRIVE. ONE HOME HAD ITS ROOF REMOVED WITH OTHERS HAD SIGNIFICANT SHINGLE DAMAGE. THIS...ALO
Jan 2, 7:47 PM CSTTORNADO3 Wsw Cowarts, ALDOWNED TREES REPORTED NEAR THE MCCALLISTER AND BEVERLYE ROAD AREA. TDS OBSERVED ON RADAR IN THIS AREA

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
Jan 2, 3:46 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.8 hours before the alert went out and 120 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, Tallahassee Rgnl, FL at 00:00Z on 2017-01-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 202 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, Tallahassee Rgnl, FL at 00:00Z on 2017-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.19395878Sfc1 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
202 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted.

164 
WFUS52 KTAE 030146
TORTAE
ALC069-030215-
/O.NEW.KTAE.TO.W.0004.170103T0146Z-170103T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
746 PM CST MON JAN 2 2017

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Northeastern Houston County in southeastern Alabama...

* Until 815 PM CST
    
* At 745 PM CST, a tornado producing storm was located near Taylor,
  moving east at 40 mph.

  HAZARD...Damaging tornado. 

  SOURCE...Radar confirmed tornado. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This tornadic storm will be near...
  Cowarts and Webb around 755 PM CST. 
  Ashford around 800 PM CST. 

Other locations impacted by this tornadic thunderstorm include
Olympia Spa Resort, Gordon, Ardilla, Wilson Mill, Lovetown, Enon,
Avon, Farley Nuclear Plant, Barber and Pansey.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3121 8510 3120 8511 3119 8511 3118 8510
      3117 8510 3116 8508 3112 8507 3111 8542
      3117 8543 3130 8513
TIME...MOT...LOC 0145Z 253DEG 36KT 3114 8539 

TORNADO...OBSERVED
HAIL...<.75IN

$$

ADL

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 6:25 PM CSTSevere Thunderstorm WarningTAECoffee, Geneva80 min
Jan 2, 7:05 PM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Henry, Houston55 min
Jan 2, 7:13 PM CSTFlash Flood WarningTAEDale, Geneva, Houston3 hr
Jan 2, 7:33 PM CSTTornado WarningTAEGeneva, Houston27 min
Jan 2, 7:45 PM CSTSevere Thunderstorm WarningTAEHenry, Houston60 min

Nearby

Tornado Warnings in Alabama, 2017Every tornado warning in 2017Tornadoes in 2017

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.