Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 521, NWS Norman, OK

July 5, 20044 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 5, 2004, 5:23 PM CDT for 4 counties in Oklahoma. It was in force for 52 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
Jul 5, 2004, 5:23 PM CDT (22:23 UTC)
Expired
Jul 5, 2004, 6:15 PM CDT
In force
52 min
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

Counties Garfield County, OK, Kingfisher County, OK, Logan County, OK, Noble County, OK

The radar

The Vance AFB radar (KVNX), 90 km from the middle of the area, began a volume at 22:25 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
Jul 5, 4:40 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 10.4 hours before the alert went out and 54 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, Lamont, OK at 12:00Z on 2004-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1370 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, Lamont, OK at 12:00Z on 2004-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
1370 J/kg
Mixed-layer CIN
-302 J/kg
Mixed-layer LCL
776 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KOUN 052223
SVROKC
OKC047-073-083-103-052315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
522 PM CDT MON JUL 5 2004

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KINGFISHER COUNTY IN CENTRAL OKLAHOMA
  LOGAN COUNTY IN CENTRAL OKLAHOMA
  GARFIELD COUNTY IN NORTHERN OKLAHOMA
  NOBLE COUNTY IN NORTHERN OKLAHOMA

* UNTIL 615 PM CDT

* AT 522 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A  
LINE OF DEVELOPING SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 
4 MILES WEST OF ORLANDO TO 4 MILES SOUTHWEST OF LOVELL...MOVING 
NORTHEAST AT 15 MPH. ANOTHER INTENSIFYING STORM WAS LOCATED JUST 
NORTHEAST OF KINGFISHER

* LOCATIONS IN THE WARNING INCLUDE COVINGTON...LOVELL...LUCIEN...
  MARSHALL...MULHALL...ORLANDO...PERRY AND SOONER LAKE

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 179 AND 192.

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

HEAVY RAINS MAY QUICKLY FLOOD LOW LYING AREAS SUCH AS CREEKS...
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS AS AUTOMOBILES CAN QUICKLY STALL.

LAT...LON 3603 9738 3588 9793 3634 9759 3641 9702

$$

11

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 7:15 PM CDTSevere Thunderstorm WarningOUNEllis, Harper45 min
Jul 4, 7:58 PM CDTSevere Thunderstorm WarningOUNHarper62 min
Jul 4, 10:35 PM CDTSevere Thunderstorm WarningOUNEllis40 min
Jul 5, 2:11 AM CDTSevere Thunderstorm WarningOUNAlfalfa, Grant49 min
Jul 5, 2:34 AM CDTSevere Thunderstorm WarningOUNHarper, Woodward41 min
Jul 5, 2:59 AM CDTSevere Thunderstorm WarningOUNGrant, Kay61 min
Jul 5, 3:14 AM CDTSevere Thunderstorm WarningOUNWoods, Woodward61 min
Jul 5, 3:58 AM CDTSevere Thunderstorm WarningOUNKay, Noble47 min
Jul 5, 6:15 PM CDTSevere Thunderstorm WarningOUNGarfield, Logan, Noble45 min
Jul 5, 6:58 PM CDTSevere Thunderstorm WarningOUNGarfield, Logan, Noble62 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.