Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 17, NWS Tallahassee, FL

April 22, 2018Henry County, Alabama

NWS Tallahassee, FL issued this tornado warning at Apr 22, 2018, 4:18 PM CDT for Henry County, Alabama. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 22, 2018, 4:18 PM CDT (21:18 UTC)
Expired
Apr 22, 2018, 4:45 PM CDT
In force
27 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Henry County, AL

The radar

The Ft Rucker radar (KEOX), 18 km from the middle of the area, began a volume at 21:20 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
Apr 22, 2:55 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.3 hours before the alert went out and 149 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 2018-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 265 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
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 222118
TORTAE
ALC067-222145-
/O.NEW.KTAE.TO.W.0017.180422T2118Z-180422T2145Z/

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

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Central Henry County in southeastern Alabama...

* Until 445 PM CDT.
    
* At 418 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Headland, 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...
  Abbeville around 440 PM CDT.

Other locations impacted by this tornadic thunderstorm include Murphy
Station, Graball, Newville, Headland Municipal A/P, Tumbleton,
Dancey, Hardwickburg, Capps, Abbeville Municipal A/P and Willis
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 3133 8530 3141 8541 3164 8525 3153 8507
TIME...MOT...LOC 2118Z 216DEG 24KT 3141 8532 

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

$$

30-PULLIN
2 follow-up statements
693 
WWUS52 KTAE 222131
SVSTAE

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

ALC067-222145-
/O.CON.KTAE.TO.W.0017.000000T0000Z-180422T2145Z/
Henry AL-
431 PM CDT SUN APR 22 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR CENTRAL
HENRY COUNTY...
    
At 431 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Abbeville, moving northeast at 30 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...
  Abbeville around 440 PM CDT.

Other locations impacted by this tornadic thunderstorm include Murphy
Station, Graball, Dancey, Hardwickburg, Capps, Abbeville Municipal
A/P and Willis 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 3142 8526 3148 8536 3164 8525 3153 8507
TIME...MOT...LOC 2131Z 216DEG 24KT 3148 8526 

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

$$

30-PULLIN
473 
WWUS52 KTAE 222140
SVSTAE

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

ALC067-222150-
/O.EXP.KTAE.TO.W.0017.000000T0000Z-180422T2145Z/
Henry AL-
440 PM CDT SUN APR 22 2018

...THE TORNADO WARNING FOR CENTRAL HENRY COUNTY WILL EXPIRE AT 445 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 3142 8526 3148 8536 3164 8525 3153 8507
TIME...MOT...LOC 2140Z 216DEG 24KT 3153 8522 

$$

30-PULLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 3:22 PM CDTTornado WarningTAEHenry23 min
Apr 22, 3:36 PM CDTTornado WarningTAEDale, Henry, Houston24 min

Nearby

Tornado Warnings in Alabama, 2018Every tornado warning in 2018Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.