Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 430, NWS Norman, OK

May 19, 2003Comanche County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 19, 2003, 9:16 PM CDT for Comanche County, Oklahoma. It was in force for 44 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 19, 2003, 9:16 PM CDT (02:16 UTC)
Expired
May 19, 2003, 10:00 PM CDT
In force
44 min
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

County Comanche County, OK

The radar

The Altus AFB radar (KFDR), 54 km from the middle of the area, began a volume at 02:16 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.3 hours before the alert went out and 119 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 2003-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1418 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2003-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1418 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
913 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
1.5
Supercell composite
9.8

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KOUN 200216
SVROKC
OKC031-200300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
914 PM CDT MON MAY 19 2003

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COMANCHE COUNTY IN SOUTHWEST OKLAHOMA

* UNTIL 1000 PM CDT

* AT 914 PM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM JUST 
WEST OF FAXON AND ANOTHER SEVERE THUNDERSTORM NEAR MEDICINE PARK.   
THE STORMS WERE MOVING MILES SOUTH OF CACHE...MOVING EAST NORTHEAST 
AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE CACHE...ELGIN...FLETCHER...FORT
  SILL...INDIAHOMA...LAWTON...MEDICINE PARK...MEERS AND STERLING

HAIL UP TO THE SIZE OF QUARTERS IS LIKELY.

LAT...LON 3456 9882 3453 9859 3447 9842 3459 9814
          3485 9814 3486 9845 3478 9869

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 7:01 PM CDTSevere Thunderstorm WarningOUNGarvin, Murray44 min
May 19, 7:08 PM CDTSevere Thunderstorm WarningOUNMcClain, Pontotoc37 min
May 19, 7:27 PM CDTSevere Thunderstorm WarningOUNCarter48 min
May 19, 7:43 PM CDTSevere Thunderstorm WarningOUNPontotoc62 min
May 19, 8:06 PM CDTSevere Thunderstorm WarningOUNJefferson39 min
May 19, 8:26 PM CDTSevere Thunderstorm WarningOUNCarter, Love, Seminole49 min
May 19, 8:59 PM CDTSevere Thunderstorm WarningOUNHughes46 min
May 19, 9:11 PM CDTSevere Thunderstorm WarningOUNLove49 min
May 19, 9:20 PM CDTSevere Thunderstorm WarningOUNComanche40 min
May 19, 9:42 PM CDTSevere Thunderstorm WarningOUNCotton48 min
May 19, 9:43 PM CDTSevere Thunderstorm WarningOUNHughes47 min
May 19, 9:48 PM CDTSevere Thunderstorm WarningOUNPottawatomie, Seminole42 min
May 19, 9:49 PM CDTSevere Thunderstorm WarningOUNGarvin, Grady, McClain41 min
May 19, 10:04 PM CDTSevere Thunderstorm WarningOUNCleveland, Oklahoma26 min
May 19, 10:29 PM CDTSevere Thunderstorm WarningOUNCleveland, Cotton, Jefferson, Oklahoma, Pottawatomie46 min
May 19, 10:31 PM CDTSevere Thunderstorm WarningOUNGrady44 min
May 19, 10:53 PM CDTSevere Thunderstorm WarningOUNCarter, Garvin, Stephens37 min
May 19, 11:15 PM CDTSevere Thunderstorm WarningOUNPottawatomie, Seminole45 min
May 19, 11:18 PM CDTSevere Thunderstorm WarningOUNGrady, McClain27 min
May 19, 11:21 PM CDTSevere Thunderstorm WarningOUNJefferson24 min
May 19, 11:41 PM CDTSevere Thunderstorm WarningOUNCleveland, McClain49 min
May 19, 11:42 PM CDTSevere Thunderstorm WarningOUNJefferson, Love48 min
May 20, 12:08 AM CDTSevere Thunderstorm WarningOUNCarter22 min
May 20, 12:44 AM CDTSevere Thunderstorm WarningOUNLove46 min
May 20, 2:52 AM CDTSevere Thunderstorm WarningOUNGrady33 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2003Every severe thunderstorm warning in 2003

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.