Alert archive / Alabama / Tornado Warnings in 2017

Tornado Warning 67, NWS Tallahassee, FL

May 23, 2017Dale County, Geneva County, Houston County, Alabama

NWS Tallahassee, FL issued this tornado warning at May 23, 2017, 9:27 AM CDT for Dale County, Geneva County, Houston County, Alabama. It was in force for 18 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
May 23, 2017, 9:27 AM CDT (14:27 UTC)
Expired
May 23, 2017, 9:45 AM CDT
In force
18 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Dale County, AL, Geneva County, AL, Houston County, AL

The radar

The Ft Rucker radar (KEOX), 21 km from the middle of the area, began a volume at 14:32 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
May 23, 9:10 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 2.5 hours before the alert went out and 128 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, Eglin AFB/Valpar, FL at 12:00Z on 2017-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1379 joules per kilogram.LCLEL10008507005003002001001 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, Eglin AFB/Valpar, FL at 12:00Z on 2017-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 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
1379 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted.

999 
WFUS52 KTAE 231427
TORTAE
ALC045-061-069-231500-
/O.NEW.KTAE.TO.W.0067.170523T1427Z-170523T1500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
927 AM CDT TUE MAY 23 2017

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Southeastern Dale County in southeastern Alabama...
  Northeastern Geneva County in southeastern Alabama...
  Northwestern Houston County in southeastern Alabama...

* Until 1000 AM CDT
    
* At 927 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Hartford, or 7 miles south of Daleville, moving
  northeast at 40 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...
  Daleville around 935 AM CDT. 
  Pinckard around 945 AM CDT. 
  Ozark, Midland City and Newton around 950 AM CDT. 

Other locations impacted by this tornadic thunderstorm include Sylvan
Grove, Hollis Dairy Road, Waterford, High Bluff, Bagwells Crossroads,
Dundee, Bald Hill, Power Dam Road, Kelly and Ewell.

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 3138 8542 3135 8542 3107 8570 3112 8578
      3146 8557
TIME...MOT...LOC 1427Z 221DEG 37KT 3119 8569 

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

$$

15-HARRIGAN
1 follow-up statement
302 
WWUS52 KTAE 231445
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
945 AM CDT TUE MAY 23 2017

ALC045-061-069-231455-
/O.CAN.KTAE.TO.W.0067.000000T0000Z-170523T1500Z/
Dale AL-Geneva AL-Houston AL-
945 AM CDT TUE MAY 23 2017

...THE TORNADO WARNING FOR SOUTHEASTERN DALE...NORTHEASTERN GENEVA
AND NORTHWESTERN HOUSTON COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 500 PM CDT for southeastern
Alabama.

LAT...LON 3138 8542 3135 8542 3107 8570 3112 8578
      3146 8557
TIME...MOT...LOC 1444Z 221DEG 37KT 3133 8555 

$$

15-HARRIGAN

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:34 AM CDTTornado WarningTAECoffee, Geneva22 min
May 23, 10:37 AM CDTSevere Thunderstorm WarningTAEHenry38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.