Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 16, NWS Tallahassee, FL

April 22, 2018Dale County, Henry County, Houston County, Alabama

NWS Tallahassee, FL issued this tornado warning at Apr 22, 2018, 3:36 PM CDT for Dale County, Henry County, Houston County, Alabama. It was in force for 24 min. 1 report 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: Apr 22, 2018, 3:36 PM CDT (20:36 UTC)
Expired: Apr 22, 2018, 4:00 PM CDT
In force: 24 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Dale County, AL, Henry County, AL, Houston County, AL

The radar

The Ft Rucker radar (KEOX), 17 km from the middle of the area, began a volume at 20:40 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
Apr 22, 3:38 PM CDT	TSTM WND DMG	1 Ne Hollis Dairy Road, AL	A COUPLE OF TREES WERE BLOWN DOWN ALONG WITH A STREET SIGN IN WESTERN HOUSTON COUNTY.

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.

Issued	Product	Office	Lasted
Apr 22, 2:55 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.6 hours before the alert went out and 151 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 640 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 265 m²/s²
0-3 km storm-relative helicity: 347 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

610 
WFUS52 KTAE 222036
TORTAE
ALC045-067-069-222100-
/O.NEW.KTAE.TO.W.0016.180422T2036Z-180422T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
336 PM CDT SUN APR 22 2018

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Southeastern Dale County in southeastern Alabama...
  Southwestern Henry County in southeastern Alabama...
  Northwestern Houston County in southeastern Alabama...

* Until 400 PM CDT.
    
* At 336 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Pinckard, or 7 miles west of Dothan, moving
  northeast at 25 mph.

  HAZARD...Tornado.

  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...
  Pinckard around 350 PM CDT.
  Midland City and Newton around 355 PM CDT.
  Headland around 400 PM CDT.

Other locations impacted by this tornadic thunderstorm include Sylvan
Grove, Hollis Dairy Road, Grimes, Kirkland Crossroads, Blackwood,
Bagwells Crossroads, Napier Field, Power Dam Road, Kelly Springs and
Browns Crossroads.

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 3137 8529 3120 8552 3120 8555 3124 8567
      3147 8551
TIME...MOT...LOC 2036Z 219DEG 24KT 3123 8555 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

30-PULLIN

1 follow-up statement

538 
WWUS52 KTAE 222054
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
354 PM CDT SUN APR 22 2018

ALC045-067-069-222104-
/O.EXP.KTAE.TO.W.0016.000000T0000Z-180422T2100Z/
Dale AL-Henry AL-Houston AL-
354 PM CDT SUN APR 22 2018

...THE TORNADO WARNING FOR SOUTHEASTERN DALE...SOUTHWESTERN HENRY AND
NORTHWESTERN HOUSTON COUNTIES WILL EXPIRE AT 400 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM CDT for southeastern
Alabama.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 3137 8529 3120 8552 3120 8555 3124 8567
      3147 8551
TIME...MOT...LOC 2054Z 219DEG 24KT 3132 8546 

$$

30-PULLIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 3:22 PM CDT	Tornado Warning	TAE	Henry	23 min
Apr 22, 4:18 PM CDT	Tornado Warning	TAE	Henry	27 min

Nearby

Tornado Warnings in Alabama, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.