Air force weather barksdale tornado a case study
This presentation is the property of its rightful owner.
Sponsored Links
1 / 24

Air Force Weather: Barksdale Tornado A Case Study PowerPoint PPT Presentation


  • 93 Views
  • Uploaded on
  • Presentation posted in: General

Air Force Weather: Barksdale Tornado A Case Study. 2d Lt Nathan Smith Weather Operations Officer 26 th Operational Weather Squadron. Approved for Public Release - Distribution Unlimited. Overview. Air Force Weather Structure Watches, Warnings, Advisories Back-up Procedures

Download Presentation

Air Force Weather: Barksdale Tornado A Case Study

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Air force weather barksdale tornado a case study

Air Force Weather: Barksdale TornadoA Case Study

2d Lt Nathan Smith

Weather Operations Officer

26th Operational Weather Squadron

Approved for Public Release - Distribution Unlimited


Overview

Overview

  • Air Force Weather Structure

  • Watches, Warnings, Advisories

  • Back-up Procedures

  • 09 April 2009: Barksdale Tornado

  • Damage

  • Resuming Operations

  • Summary


Usaf structure

USAF Structure

  • Three Levels

    • Strategic: Air Force Weather Agency (AFWA)

    • Operational: Operational Weather Squadrons (OWS)

    • Tactical: Weather Flights


Watches warnings advisories

Watches, Warnings, Advisories

  • Watches: forecast that event may happen

    • May require Lead Time

    • Up to 4 hours

  • Warnings: forecast that event will happen

    • Requires Lead Time

    • Up to 2 hours

  • Advisories: observed that event is happening

    • Some Observed, some require Lead Time

    • Up to 1 hour


Nws vs usaf

NWS vs USAF

NWS (area forecast)

  • Severe Thunderstorms

  • Tornado

  • Flash Flood

USAF (site specific forecast)

  • Damaging Winds ≥ 50kt

  • Moderate Winds ≥ 35<50kt

  • Advisory Winds ≥ 25kt

  • Hail <3/4”

  • Hail ≥ 3/4”

  • Lightning

  • Tornado

  • Heavy Rain 2” in 12hrs


Air force weather barksdale tornado a case study

WWAs


Backup support

Backup Support

  • Emergency preparedness

    • COOP practiced monthly

  • Local Forecasts & WWAs

    • Handed off to Weather Flights

  • Flight Weather Briefs

    • 25th OWS Davis-Monthan AFB, AZ

  • Total Force Locations WWAs

    • 15th OWS Scott AFB, IL


Barksdale tornado event

Barksdale Tornado Event

  • Severe Potential briefed as “Possible not probable”

    • Stronger dynamics to the north and strong CAP

  • Line of supercells developed over E TX along dryline

    • SCIT took storm slightly North

  • High Winds issued VIL/ET chart

    • 65 VIL/50kft indicated 42kt

  • Hail Issued SRM Storm Top Divergence

    • ~115kt STD indicated at least 1” hail

  • SRR to look for rotation

    • 95kts gate to gate

    • Hook echo formed, issued when at TX/LA border

  • Evacuated Ops Floor to basement

    • Perfect Back up Ops


Barksdale tornado event1

Barksdale Tornado Event


Barksdale tornado event2

Barksdale Tornado Event

KBAD 100330Z 36028G47KT 1 1/2SM FC OVC025CB 21/17 A2960


Wwas issued

WWAs Issued


Spc storm reports

SPC Storm Reports


Impacts on base

Impacts on Base

  • EF2 tornado touched down on Barksdale Blvd

  • “Bounced” over base

  • Communications knocked out for 12hrs

  • Power Outage for ~24hrs

  • Damaged dorms, signs, fitness center, guard house, multiple trees down


Damage

Damage


Damage1

Damage


Damage2

Damage


Damage3

Damage


Damage4

Damage


Damage5

Damage


Damage6

Damage


Resuming operations

Resuming Operations

  • Resumed basic functionality ~0830L

  • Back-up generator allowed for power

  • Communications restored to Ops floor

  • System continued to pound SE CONUS

    • Issued Severe immediately out of basement


Storm reports 10 apr 09

Storm Reports 10 Apr 09


Summary

Summary

  • Overview

  • Air Force Weather Structure

  • Watches, Warnings, Advisories

  • Back-up Procedures

  • 09 April 2009: Barksdale Tornado

  • Damage

  • Resuming Operations


Questions

Questions??


  • Login