Alert archive / Oklahoma / Tornado Warnings in 2006

Tornado Warning 13, NWS Norman, OK

April 24, 2006Canadian County, Oklahoma

NWS Norman, OK issued this tornado warning at Apr 24, 2006, 7:20 PM CDT for Canadian County, Oklahoma. It was in force for 25 min. 6 reports 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 24, 2006, 7:20 PM CDT (00:20 UTC)
Expired
Apr 24, 2006, 7:45 PM CDT
In force
25 min
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

County Canadian County, OK

The radar

The Norman radar (KTLX), 69 km from the middle of the area, began a volume at 00:21 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.

What was reported inside it

TimeReportWhereRemark
Apr 24, 7:27 PM CDTTORNADO4 Sw El Reno, OKESTIMATED LOCATION
Apr 24, 7:27 PM CDTTORNADO4 Sw El Reno, OKUPDATED INFORMATION. TORNADO OCCURRED FROM 727 PM TO 733 PM SOUTHWEST OF EL RENO AND JUST SOUTH OF INTERSTATE 40.
Apr 24, 7:32 PM CDTTORNADO 16 Sw El Reno, OKUPDATED INFORMATION. TORNADO OCCURRED FROM 732 PM TO 744 PM. TORNADO STRUCK EL RENO MUNICIPAL AIRPORT DAMAGING HANGARS AND PLANES.
Apr 24, 7:32 PM CDTTORNADO4 Sw El Reno, OKTORNADO AT EL RENO AIRPORT
Apr 24, 7:32 PM CDTTORNADO6 Sw El Reno, OKUPDATED INFORMATION. TORNADO OCCURRED FROM 732 PM TO 744 PM. TORNADO STRUCK EL RENO MUNICIPAL AIRPORT DAMAGING HANGARS AND PLANES.
Apr 24, 7:50 PM CDTHAIL 1.756 W Yukon, OKI-40 AND BANNER RD

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.

IssuedProductOfficeLasted
Apr 24, 1:36 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.3 hours before the alert went out and 65 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, Norman, OK at 00:00Z on 2006-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2326 joules per kilogram.LCLLFCEL10008507005003002001001 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, Norman, OK at 00:00Z on 2006-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.19395878Sfc1 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
2326 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1122 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KOUN 250020
TOROUN
OKC017-250045-
/O.NEW.KOUN.TO.W.0013.060425T0020Z-060425T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
720 PM CDT MON APR 24 2006

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  CANADIAN COUNTY IN CENTRAL OKLAHOMA

* UNTIL 745 PM CDT

* AT 720 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHWEST OF EL RENO...MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IN THE WARNING INCLUDE EL RENO.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 115 AND 129.

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

LAT...LON 3553 9814 3543 9808 3552 9781 3565 9783

$$

..SPEG.
1 follow-up statement
000 
WWUS54 KOUN 250028
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
727 PM CDT MON APR 24 2006

OKC017-250045-
/O.CON.KOUN.TO.W.0013.000000T0000Z-060425T0045Z/
CANADIAN OK-
727 PM CDT MON APR 24 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CANADIAN
COUNTY...

AT 727 PM CDT...A TORNADO IS OCCURRING ABOUT 4 MILES SOUTHWEST OF EL 
RENO. THE STORM PRODUCING THIS TORNADO IS MOVING EAST-NORTHEAST AT 
15 MPH. 

THIS TORNADO IS MOVING TOWARD EL RENO. PEOPLE IN EL RENO NEED TO 
TAKE SHELTER IMMEDIATELY.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 115 AND 128.

LAT...LON 3553 9814 3543 9808 3552 9781 3565 9783

$$

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 7:14 PM CDTSevere Thunderstorm WarningOUNGarfield, Logan, Noble46 min
Apr 24, 7:14 PM CDTSevere Thunderstorm WarningOUNCaddo, Grady46 min
Apr 24, 7:38 PM CDTSevere Thunderstorm WarningOUNComanche37 min
Apr 24, 7:40 PM CDTSevere Thunderstorm WarningOUNCotton35 min
Apr 24, 7:40 PM CDTTornado WarningOUNLogan35 min
Apr 24, 7:43 PM CDTTornado WarningOUNCanadian32 min
Apr 24, 7:47 PM CDTSevere Thunderstorm WarningOUNPayne58 min
Apr 24, 7:54 PM CDTSevere Thunderstorm WarningOUNGrady51 min
Apr 24, 8:06 PM CDTSevere Thunderstorm WarningOUNOklahoma39 min
Apr 24, 8:10 PM CDTSevere Thunderstorm WarningOUNStephens65 min
Apr 24, 8:13 PM CDTSevere Thunderstorm WarningOUNCanadian47 min
Apr 24, 8:15 PM CDTTornado WarningOUNStephens30 min
Apr 24, 8:22 PM CDTSevere Thunderstorm WarningOUNCotton38 min
Apr 24, 8:31 PM CDTTornado WarningOUNCotton29 min
Apr 24, 8:35 PM CDTSevere Thunderstorm WarningOUNCleveland, McClain27 min
Apr 24, 8:40 PM CDTSevere Thunderstorm WarningOUNGarvin, Grady, Stephens65 min
Apr 24, 8:42 PM CDTSevere Thunderstorm WarningOUNPayne63 min
Apr 24, 8:59 PM CDTSevere Thunderstorm WarningOUNCotton, Jefferson61 min
Apr 24, 9:41 PM CDTSevere Thunderstorm WarningOUNGarvin49 min
Apr 24, 10:20 PM CDTSevere Thunderstorm WarningOUNGrady40 min
Apr 24, 10:25 PM CDTSevere Thunderstorm WarningOUNPontotoc65 min
Apr 24, 11:47 PM CDTSevere Thunderstorm WarningOUNCoal, Pontotoc43 min
Apr 25, 12:25 AM CDTSevere Thunderstorm WarningOUNCoal35 min
Apr 25, 12:57 AM CDTSevere Thunderstorm WarningOUNAtoka, Coal33 min
Apr 25, 1:26 AM CDTSevere Thunderstorm WarningOUNAtoka34 min
Apr 25, 3:52 PM CDTFrost AdvisoryOUNAlfalfa, Beckham, Custer, Dewey, Ellis, Greer and 7 more17 hr

Nearby

Tornado Warnings in Oklahoma, 2006Every tornado warning in 2006Tornadoes in 2006

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.