Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 252, NWS Norman, OK

May 12, 2004Kiowa County, Washita County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 12, 2004, 7:28 PM CDT for Kiowa County, Washita County, Oklahoma. It was in force for 47 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 12, 2004, 7:28 PM CDT (00:28 UTC)
Expired
May 12, 2004, 8:15 PM CDT
In force
47 min
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

Counties Kiowa County, OK, Washita County, OK

The radar

The Altus AFB radar (KFDR), 82 km from the middle of the area, began a volume at 00:28 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 12, 5:10 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.5 hours before the alert went out and 137 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 2004-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3783 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2004-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
3783 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1124 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

305 
WUUS54 KOUN 130028
SVROKC
OKC075-149-130115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
728 PM CDT WED MAY 12 2004

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN KIOWA COUNTY IN SOUTHWEST OKLAHOMA
  WASHITA COUNTY IN WESTERN OKLAHOMA

* UNTIL 815 PM CDT

* AT 728 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 4 MILES SOUTHWEST OF GOTEBO...MOVING NORTH AT
  20 MPH.

* LOCATIONS IN THE WARNING INCLUDE CLOUD CHIEF...GOTEBO AND MOUNTAIN
  VIEW

HAIL UP TO THE SIZE OF HALF DOLLARS AND WINDS OF 60 MPH ARE LIKELY.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH NO ADVANCE WARNING.
MOVE IMMEDIATELY TO A STORM SHELTER... BASEMENT OR STURDY BUILDING IF
A TORNADO IS SIGHTED.

LAT...LON 3499 9907 3499 9876 3526 9863 3526 9899

$$

30

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 7:22 PM CDTSevere Thunderstorm WarningOUNJackson38 min
May 12, 7:41 PM CDTSevere Thunderstorm WarningOUNMajor49 min
May 12, 8:12 PM CDTSevere Thunderstorm WarningOUNKiowa, Washita48 min
May 12, 8:54 PM CDTSevere Thunderstorm WarningOUNCuster51 min
May 12, 8:58 PM CDTSevere Thunderstorm WarningOUNCaddo, Washita47 min
May 12, 9:52 PM CDTSevere Thunderstorm WarningOUNWoods53 min
May 13, 12:37 PM CDTSevere Thunderstorm WarningOUNCarter, Jefferson23 min
May 13, 12:49 PM CDTSevere Thunderstorm WarningOUNCaddo, Grady41 min
May 13, 12:59 PM CDTSevere Thunderstorm WarningOUNJefferson46 min
May 13, 1:03 PM CDTSevere Thunderstorm WarningOUNOklahoma42 min
May 13, 1:16 PM CDTSevere Thunderstorm WarningOUNCotton, Tillman44 min
May 13, 1:31 PM CDTSevere Thunderstorm WarningOUNGrady44 min
May 13, 1:53 PM CDTSevere Thunderstorm WarningOUNCleveland, Oklahoma52 min
May 13, 1:57 PM CDTSevere Thunderstorm WarningOUNCotton48 min
May 13, 1:58 PM CDTSevere Thunderstorm WarningOUNMcClain47 min
May 13, 1:59 PM CDTSevere Thunderstorm WarningOUNLincoln46 min
May 13, 2:19 PM CDTSevere Thunderstorm WarningOUNJefferson, Stephens41 min
May 13, 2:23 PM CDTSevere Thunderstorm WarningOUNPottawatomie52 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2004Every severe thunderstorm warning in 2004

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.