Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 40, NWS Tallahassee, FL

January 22, 2017Henry County, Houston County, Alabama

NWS Tallahassee, FL issued this tornado warning at Jan 22, 2017, 12:56 PM CST for Henry County, Houston County, Alabama. It was in force for 34 min. 4 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 22, 2017, 12:56 PM CST (18:56 UTC)
Expired
Jan 22, 2017, 1:30 PM CST
In force
34 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Henry County, AL, Houston County, AL

The radar

The Ft Rucker radar (KEOX), 30 km from the middle of the area, began a volume at 18:56 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 22, 1:00 PM CSTTSTM WND DMG1 Sw Grandberry Crossro, ALPOSSIBLE TORNADO- MULTIPLE STRUCTURES DAMAGED OR DESTROYED INCLUDING A MOBILE HOME AND A BARN.
Jan 22, 1:00 PM CSTTORNADO 11 Sw Grandberry Crossro, ALMULTIPLE STRUCTURES DAMAGED INCLUDING A MOBILE HOME AND A BARN. RATED AS AN EF1 TORNADO AFTER STORM SURVEY
Jan 22, 1:00 PM CSTTORNADO1 Sw Grandberry Crossro, ALMULTIPLE STRUCTURES DAMAGED OR DESTROYED INCLUDING A MOBILE HOME AND A BARN.
Jan 22, 1:25 PM CSTTSTM WND DMGHaleburg, ALPOWER LINES DOWN NEAR HALEBURG

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 22, 8:06 AM CSTTornado WatchSPC5 hr
Jan 22, 11:47 AM CSTTornado Watch PDSSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.9 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, Tallahassee Rgnl, FL at 12:00Z on 2017-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1298 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 12:00Z on 2017-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 square meters per square second.1939587897117Sfc1 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
1298 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
441 m²/s²
Significant tornado parameter
2.9
Supercell composite
15.6

Open this sounding in Storm Lab

The text

As transmitted.

322 
WFUS52 KTAE 221856
TORTAE
ALC067-069-221930-
/O.NEW.KTAE.TO.W.0040.170122T1856Z-170122T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
1256 PM CST SUN JAN 22 2017

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Southern Henry County in southeastern Alabama...
  North central Houston County in southeastern Alabama...

* Until 130 PM CST
    
* At 1256 PM CST, a severe thunderstorm capable of producing a
  tornado was located over Kinsey, or near Headland, moving east at
  45 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  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 dangerous storm will be near...
  Webb around 100 PM CST. 
  Headland around 105 PM CST. 
  Columbia around 115 PM CST. 

Other locations impacted by this tornadic thunderstorm include
Grandberry Crossroads, Haleburg, Headland Municipal A/P, Pleasant
Plains, Tumbleton, Balkum, Barnes, Hayes, Miller and Sigma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3154 8504 3147 8507 3143 8507 3143 8508
      3140 8508 3137 8509 3132 8508 3129 8510
      3124 8540 3129 8542 3131 8542 3155 8504
TIME...MOT...LOC 1856Z 248DEG 41KT 3129 8537 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

38-GODSEY
1 follow-up statement
725 
WWUS52 KTAE 221913
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
113 PM CST SUN JAN 22 2017

ALC069-221923-
/O.CAN.KTAE.TO.W.0040.000000T0000Z-170122T1930Z/
Houston AL-
113 PM CST SUN JAN 22 2017

...THE TORNADO WARNING FOR NORTH CENTRAL HOUSTON COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 700 PM CST for southeastern
Alabama...and southwestern Georgia.

LAT...LON 3154 8504 3147 8507 3143 8507 3143 8508
      3140 8508 3137 8509 3133 8508 3131 8509
      3131 8525 3134 8527 3140 8528 3155 8504
TIME...MOT...LOC 1913Z 246DEG 41KT 3137 8517 

$$

ALC067-221930-
/O.CON.KTAE.TO.W.0040.000000T0000Z-170122T1930Z/
Henry AL-
113 PM CST SUN JAN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CST FOR
SOUTHEASTERN HENRY COUNTY...
        
At 113 PM CST, a confirmed tornado was located 9 miles east of
Headland, moving northeast at 45 mph.

HAZARD...Damaging tornado and quarter size hail. 

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 thunderstorm will remain over mainly rural areas of
southeastern Henry County, including the following locations:
Grandberry Crossroads, Haleburg, Tumbleton, Balkum, Barnes, Hayes and
Miller.

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 3154 8504 3147 8507 3143 8507 3143 8508
      3140 8508 3137 8509 3133 8508 3131 8509
      3131 8525 3134 8527 3140 8528 3155 8504
TIME...MOT...LOC 1913Z 246DEG 41KT 3137 8517 

TORNADO...OBSERVED
HAIL...1.00IN

$$

38-GODSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 9:18 PM CSTTornado WarningTAECoffee, Geneva15 min
Jan 21, 9:35 PM CSTFlash Flood WarningTAECoffee, Dale5 hr
Jan 21, 10:06 PM CSTSevere Thunderstorm WarningTAEDale, Henry39 min
Jan 21, 10:13 PM CSTFlash Flood WarningTAEHenry5 hr
Jan 21, 11:59 PM CSTSevere Thunderstorm WarningTAEHenry, Houston46 min
Jan 22, 1:59 AM CSTSevere Thunderstorm WarningTAEHouston46 min
Jan 22, 2:17 AM CSTRiver Flood WarningTAEDale57 hr
Jan 22, 2:39 AM CSTWind AdvisoryTAECoffee, Dale, Geneva, Henry, Houston14 hr
Jan 22, 8:25 AM CSTRiver Flood WarningTAEGeneva4 days
Jan 22, 9:12 AM CSTSevere Thunderstorm WarningTAEDale, Geneva, Henry, Houston21 min
Jan 22, 9:57 AM CSTSevere Thunderstorm WarningTAEGeneva48 min
Jan 22, 10:28 AM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Houston47 min
Jan 22, 11:16 AM CSTSevere Thunderstorm WarningTAEDale, Henry, Houston29 min
Jan 22, 11:22 AM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva53 min
Jan 22, 12:12 PM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Henry, Houston48 min
Jan 22, 12:23 PM CSTTornado WarningTAEDale, Geneva, Houston37 min
Jan 22, 12:59 PM CSTSevere Thunderstorm WarningTAEDale, Geneva, Henry, Houston46 min
Jan 22, 1:20 PM CSTTornado WarningTAEHenry25 min
Jan 22, 1:39 PM CSTTornado WarningTAEHouston36 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.