Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 1, NWS Tallahassee, FL

March 31, 2020Geneva County, Alabama

NWS Tallahassee, FL issued this tornado warning at Mar 31, 2020, 10:18 AM CDT for Geneva 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: Mar 31, 2020, 10:18 AM CDT (15:18 UTC)
Expired: Mar 31, 2020, 10:45 AM CDT
In force: 27 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Geneva County, AL

The radar

The Ft Rucker radar (KEOX), 48 km from the middle of the area, began a volume at 15:21 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.

Issued	Product	Office	Lasted
Mar 31, 8:51 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.3 hours before the alert went out and 160 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: 734 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 203 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

865 
WFUS52 KTAE 311518
TORTAE
ALC061-311545-
/O.NEW.KTAE.TO.W.0001.200331T1518Z-200331T1545Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
1018 AM CDT Tue Mar 31 2020

The National Weather Service in Tallahassee has issued a

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

* Until 1045 AM CDT.
    
* At 1018 AM CDT, a severe thunderstorm capable of producing a
  tornado was located near Geneva, moving northeast at 35 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...
  Geneva around 1025 AM CDT.
  Hartford around 1045 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Fadette, Kellys Crossroads, Eunola, Lytle, High Bluff, Highfalls,
Dundee, Bald Hill, Geneva Municipal A/P and Vaughanville.

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 3120 8570 3120 8560 3103 8549 3100 8601
      3105 8603
TIME...MOT...LOC 1518Z 247DEG 31KT 3104 8596 

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

$$

72-BUNKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 10:28 AM CDT	Severe Thunderstorm Warning	TAE	Coffee, Dale	62 min
Mar 31, 11:08 AM CDT	Severe Thunderstorm Warning	TAE	Coffee, Dale, Geneva, Henry, Houston	67 min
Mar 31, 11:35 AM CDT	Tornado Warning	TAE	Henry	40 min
Mar 31, 11:50 AM CDT	Severe Thunderstorm Warning	TAE	Henry, Houston	25 min
Mar 31, 12:05 PM CDT	Severe Thunderstorm Warning	TAE	Dale, Geneva, Henry, Houston	55 min
Mar 31, 12:14 PM CDT	Severe Thunderstorm Warning	TAE	Geneva, Houston	61 min
Mar 31, 1:12 PM CDT	Severe Thunderstorm Warning	TAE	Houston	63 min

Nearby

Tornado Warnings in Alabama, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.